AsmPrinter.cpp revision 6c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7f
1a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner//===-- AsmPrinter.cpp - Common AsmPrinter code ---------------------------===// 2a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 3a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// The LLVM Compiler Infrastructure 4a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 7a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 8a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner//===----------------------------------------------------------------------===// 9a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 10a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// This file implements the AsmPrinter class. 11a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 12a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner//===----------------------------------------------------------------------===// 13a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 14932f022b826c7b0b821c6a5369e18e4ebdceeb4cEvan Cheng#include "llvm/CodeGen/AsmPrinter.h" 15246ae0dcf750401ee84e1319ebe0b790744097a5Evan Cheng#include "llvm/Assembly/Writer.h" 168cfa57b1b4eade4e0101195b2f94ab288cd03563Nate Begeman#include "llvm/DerivedTypes.h" 17a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner#include "llvm/Constants.h" 18450de393acdf4be89db8558522b04d8111e4562bChris Lattner#include "llvm/Module.h" 195eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen#include "llvm/CodeGen/GCMetadataPrinter.h" 203b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner#include "llvm/CodeGen/MachineConstantPool.h" 21fe37ab335be5632eab561d49984c95cb06b946d4David Greene#include "llvm/CodeGen/MachineFunction.h" 2237efe6764568a3829fee26aba532283131d1a104Nate Begeman#include "llvm/CodeGen/MachineJumpTableInfo.h" 23b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene#include "llvm/CodeGen/MachineLoopInfo.h" 2484bc5427d6883f73cfeae3da640acd011d35c006Chris Lattner#include "llvm/CodeGen/MachineModuleInfo.h" 25c48c550e1322aebfbe35c7570891619db43bdb9bDevang Patel#include "llvm/CodeGen/DwarfWriter.h" 26cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis#include "llvm/Analysis/DebugInfo.h" 272b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner#include "llvm/MC/MCContext.h" 283ac1ab835caacdeebbd0d7b4d69160f283928d21David Greene#include "llvm/MC/MCInst.h" 29a87dea4f8c546ca748f1777a8d1cabcc06515d91Chris Lattner#include "llvm/MC/MCSection.h" 30a87dea4f8c546ca748f1777a8d1cabcc06515d91Chris Lattner#include "llvm/MC/MCStreamer.h" 3142bf74be1402df7409efbea089310d4c276fde37Evan Cheng#include "llvm/Support/CommandLine.h" 327d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin#include "llvm/Support/ErrorHandling.h" 33014700c1a8cba203fd21ff129426ba8a426ab244David Greene#include "llvm/Support/FormattedStream.h" 34a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner#include "llvm/Support/Mangler.h" 35563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey#include "llvm/Target/TargetAsmInfo.h" 3607000c6f01d8f57170f2d4c77a86d934bdc5c696Owen Anderson#include "llvm/Target/TargetData.h" 370336fdba858830d515bf53ac29b8e5ff24dfa823Chris Lattner#include "llvm/Target/TargetLowering.h" 38f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner#include "llvm/Target/TargetLoweringObjectFile.h" 396547e406cf934346db7a206b61bcf09635afff0dEvan Cheng#include "llvm/Target/TargetOptions.h" 40da47e6e0d003c873da960361549e57ee4617c301Evan Cheng#include "llvm/Target/TargetRegisterInfo.h" 41cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng#include "llvm/ADT/SmallPtrSet.h" 42fad86b003a839cef40ec8ce8408322f4913368caChris Lattner#include "llvm/ADT/SmallString.h" 43cb3718832375a581c5ea23f15918f3ea447a446cOwen Anderson#include "llvm/ADT/StringExtras.h" 446609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner#include <cerrno> 45a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattnerusing namespace llvm; 46a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 4742bf74be1402df7409efbea089310d4c276fde37Evan Chengstatic cl::opt<cl::boolOrDefault> 4842bf74be1402df7409efbea089310d4c276fde37Evan ChengAsmVerbose("asm-verbose", cl::desc("Add comments to directives."), 4942bf74be1402df7409efbea089310d4c276fde37Evan Cheng cl::init(cl::BOU_UNSET)); 5042bf74be1402df7409efbea089310d4c276fde37Evan Cheng 511997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar AsmPrinter::ID = 0; 5271847813bc419f7a0667468136a07429c6d9f164David GreeneAsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm, 535bcc8bd0c60cfe583ee47852950aad9e532c932eDaniel Dunbar const TargetAsmInfo *T, bool VDef) 545bcc8bd0c60cfe583ee47852950aad9e532c932eDaniel Dunbar : MachineFunctionPass(&ID), FunctionNumber(0), O(o), 55da47e6e0d003c873da960361549e57ee4617c301Evan Cheng TM(tm), TAI(T), TRI(tm.getRegisterInfo()), 562b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 572b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner OutContext(*new MCContext()), 58f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner OutStreamer(*createAsmStreamer(OutContext, O, *T, this)), 592b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 60290c2f56ce551ebcf4480ac2944986fe4bb339e9Chris Lattner LastMI(0), LastFn(0), Counter(~0U), 61a8dbf36f3f88917b101d7ab9d253ba2fe6e396b4Owen Anderson PrevDLT(0, ~0U, ~0U) { 620de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner DW = 0; MMI = 0; 6342bf74be1402df7409efbea089310d4c276fde37Evan Cheng switch (AsmVerbose) { 6442bf74be1402df7409efbea089310d4c276fde37Evan Cheng case cl::BOU_UNSET: VerboseAsm = VDef; break; 6542bf74be1402df7409efbea089310d4c276fde37Evan Cheng case cl::BOU_TRUE: VerboseAsm = true; break; 6642bf74be1402df7409efbea089310d4c276fde37Evan Cheng case cl::BOU_FALSE: VerboseAsm = false; break; 6742bf74be1402df7409efbea089310d4c276fde37Evan Cheng } 6842bf74be1402df7409efbea089310d4c276fde37Evan Cheng} 69ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 70c317a60c2714a5b90700a11ba646285cb754a5d3Gordon HenriksenAsmPrinter::~AsmPrinter() { 71c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen for (gcp_iterator I = GCMetadataPrinters.begin(), 72c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen E = GCMetadataPrinters.end(); I != E; ++I) 73c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen delete I->second; 742b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 752b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner delete &OutStreamer; 762b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner delete &OutContext; 77c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen} 78ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 7938c398808cff7defdf013fa750dfac8e66302975Chris LattnerTargetLoweringObjectFile &AsmPrinter::getObjFileLowering() const { 80f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner return TM.getTargetLowering()->getObjFileLowering(); 81f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner} 82f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner 83dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner/// getCurrentSection() - Return the current section we are emitting to. 84dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattnerconst MCSection *AsmPrinter::getCurrentSection() const { 85dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner return OutStreamer.getCurrentSection(); 86b5a32e2e8ce2f3de3a340c5a2dfcd3a159968466Anton Korobeynikov} 874632d7a57008564c4b0f8246e85bd813a200d2c6Chris Lattner 88dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner 89ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksenvoid AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const { 90845012e6d31799c7fbd1193fa1af8ee2d12e9231Dan Gohman AU.setPreservesAll(); 91ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen MachineFunctionPass::getAnalysisUsage(AU); 925eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen AU.addRequired<GCModuleInfo>(); 93fe37ab335be5632eab561d49984c95cb06b946d4David Greene if (VerboseAsm) 94b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene AU.addRequired<MachineLoopInfo>(); 95ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen} 96ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen 97a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattnerbool AsmPrinter::doInitialization(Module &M) { 98f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner // Initialize TargetLoweringObjectFile. 99f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner const_cast<TargetLoweringObjectFile&>(getObjFileLowering()) 100f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner .Initialize(OutContext, TM); 101f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner 1024cef584860acbde1d71157564e0d5f6f935b38a6Bill Wendling Mang = new Mangler(M, TAI->getGlobalPrefix(), TAI->getPrivateGlobalPrefix(), 10390f8b7073dd472afb21bc33be0f24391e7a4505bChris Lattner TAI->getLinkerPrivateGlobalPrefix()); 1042c1b1597f244c836771b4f2668c0ae399d32a5e9Chris Lattner 105a93ca92379129e87e0130609ac78422fcf6dd21eChris Lattner if (TAI->doesAllowQuotesInName()) 106a93ca92379129e87e0130609ac78422fcf6dd21eChris Lattner Mang->setUseQuotes(true); 107a93ca92379129e87e0130609ac78422fcf6dd21eChris Lattner 1081465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>(); 1095eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen assert(MI && "AsmPrinter didn't require GCModuleInfo?"); 110952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola 111952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola if (TAI->hasSingleParameterDotFile()) { 112952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola /* Very minimal debug info. It is ignored if we emit actual 113952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola debug info. If we don't, this at helps the user find where 114952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola a function came from. */ 115952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola O << "\t.file\t\"" << M.getModuleIdentifier() << "\"\n"; 116952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola } 117952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola 1185eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen for (GCModuleInfo::iterator I = MI->begin(), E = MI->end(); I != E; ++I) 1195eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*I)) 1205eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen MP->beginAssembly(O, *this, *TAI); 121ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen 1223e2fa7a746270452316523f27b9055b007feba32Chris Lattner if (!M.getModuleInlineAsm().empty()) 123563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getCommentString() << " Start of file scope inline assembly\n" 1243e2fa7a746270452316523f27b9055b007feba32Chris Lattner << M.getModuleInlineAsm() 125d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman << '\n' << TAI->getCommentString() 126563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey << " End of file scope inline assembly\n"; 1272c1b1597f244c836771b4f2668c0ae399d32a5e9Chris Lattner 1280de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner if (TAI->doesSupportDebugInformation() || 1290de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner TAI->doesSupportExceptionHandling()) { 1300de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner MMI = getAnalysisIfAvailable<MachineModuleInfo>(); 1310de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner if (MMI) 13214a55d952cf238fff42da53a75f39cf06dab184bDevang Patel MMI->AnalyzeModule(M); 1330de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner DW = getAnalysisIfAvailable<DwarfWriter>(); 1340de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner if (DW) 1350de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner DW->BeginModule(&M, MMI, O, this, TAI); 13614a55d952cf238fff42da53a75f39cf06dab184bDevang Patel } 13714a55d952cf238fff42da53a75f39cf06dab184bDevang Patel 138a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner return false; 139a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 140a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 141a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattnerbool AsmPrinter::doFinalization(Module &M) { 14240bbebde9d250b875a47a688d0c6552834ada48fChris Lattner // Emit global variables. 14340bbebde9d250b875a47a688d0c6552834ada48fChris Lattner for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); 14440bbebde9d250b875a47a688d0c6552834ada48fChris Lattner I != E; ++I) 14540bbebde9d250b875a47a688d0c6552834ada48fChris Lattner PrintGlobalVariable(I); 14640bbebde9d250b875a47a688d0c6552834ada48fChris Lattner 1471f522feabf25134249bc7894e04f5b89fa071b7fChris Lattner // Emit final debug information. 1481f522feabf25134249bc7894e04f5b89fa071b7fChris Lattner if (TAI->doesSupportDebugInformation() || TAI->doesSupportExceptionHandling()) 1491f522feabf25134249bc7894e04f5b89fa071b7fChris Lattner DW->EndModule(); 1501f522feabf25134249bc7894e04f5b89fa071b7fChris Lattner 1510a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // If the target wants to know about weak references, print them all. 15215404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola if (TAI->getWeakRefDirective()) { 1530a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // FIXME: This is not lazy, it would be nice to only print weak references 1540a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // to stuff that is actually used. Note that doing so would require targets 1550a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // to notice uses in operands (due to constant exprs etc). This should 1560a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // happen with the MC stuff eventually. 1570a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner 1580a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // Print out module-level global variables here. 1590a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); 1600a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner I != E; ++I) { 1610a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner if (I->hasExternalWeakLinkage()) 162b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner O << TAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n'; 1630a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner } 1640a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner 165c6fdced3dbfdf673cc9b01dfad4f08e316d8803dChris Lattner for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) { 1660a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner if (I->hasExternalWeakLinkage()) 167b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner O << TAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n'; 1680a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner } 16915404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola } 17015404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola 1718b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov if (TAI->getSetDirective()) { 172d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 1738b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end(); 1740a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner I != E; ++I) { 175b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner std::string Name = Mang->getMangledName(I); 176325be7c608a37d87e4f3d731e11fa3dd34f529b5Anton Korobeynikov 177325be7c608a37d87e4f3d731e11fa3dd34f529b5Anton Korobeynikov const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal()); 178b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner std::string Target = Mang->getMangledName(GV); 179541af7f769c89de8a7f52d563cf317ad7a86c245Anton Korobeynikov 180325be7c608a37d87e4f3d731e11fa3dd34f529b5Anton Korobeynikov if (I->hasExternalLinkage() || !TAI->getWeakRefDirective()) 181d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << "\t.globl\t" << Name << '\n'; 1828b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov else if (I->hasWeakLinkage()) 183d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << TAI->getWeakRefDirective() << Name << '\n'; 184bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola else if (!I->hasLocalLinkage()) 185c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Invalid alias linkage"); 18622c9e65643e0c6b43be37a19e59491ef0081092cAnton Korobeynikov 187541af7f769c89de8a7f52d563cf317ad7a86c245Anton Korobeynikov printVisibility(Name, I->getVisibility()); 18822c9e65643e0c6b43be37a19e59491ef0081092cAnton Korobeynikov 189d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << TAI->getSetDirective() << ' ' << Name << ", " << Target << '\n'; 1908b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov } 1918b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov } 1928b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov 1931465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>(); 1945eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen assert(MI && "AsmPrinter didn't require GCModuleInfo?"); 1955eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen for (GCModuleInfo::iterator I = MI->end(), E = MI->begin(); I != E; ) 1965eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*--I)) 1975eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen MP->finishAssembly(O, *this, *TAI); 198ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen 199a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman // If we don't have any trampolines, then we don't require stack memory 200a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman // to be executable. Some targets have a directive to declare this. 2010a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner Function *InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline"); 202a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty()) 203a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman if (TAI->getNonexecutableStackDirective()) 204d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << TAI->getNonexecutableStackDirective() << '\n'; 205a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman 206a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner delete Mang; Mang = 0; 2070de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner DW = 0; MMI = 0; 2082b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 2092b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner OutStreamer.Finish(); 210a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner return false; 211a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 212a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 213e2cf37b88c089a71727b3ecd466856f0cd638813Chris Lattnerstd::string 214e2cf37b88c089a71727b3ecd466856f0cd638813Chris LattnerAsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) const { 2156e19896999f9297db38e1a1a66d9bef0e2f09776Bill Wendling assert(MF && "No machine function?"); 216e2cf37b88c089a71727b3ecd466856f0cd638813Chris Lattner return Mang->getMangledName(MF->getFunction(), ".eh", 217e2cf37b88c089a71727b3ecd466856f0cd638813Chris Lattner TAI->is_EHSymbolPrivate()); 2186e19896999f9297db38e1a1a66d9bef0e2f09776Bill Wendling} 2196e19896999f9297db38e1a1a66d9bef0e2f09776Bill Wendling 22025045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattnervoid AsmPrinter::SetupMachineFunction(MachineFunction &MF) { 221a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner // What's my mangled name? 222b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner CurrentFnName = Mang->getMangledName(MF.getFunction()); 223347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng IncrementFunctionNumber(); 224b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 225fe37ab335be5632eab561d49984c95cb06b946d4David Greene if (VerboseAsm) { 226b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene LI = &getAnalysis<MachineLoopInfo>(); 227b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 228a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 229a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 2301606e8e4cd937e6de6681f686c266cf61722d972Evan Chengnamespace { 2311606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // SectionCPs - Keep track the alignment, constpool entries per Section. 2321606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng struct SectionCPs { 233a87dea4f8c546ca748f1777a8d1cabcc06515d91Chris Lattner const MCSection *S; 2341606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned Alignment; 2351606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng SmallVector<unsigned, 4> CPEs; 236a87dea4f8c546ca748f1777a8d1cabcc06515d91Chris Lattner SectionCPs(const MCSection *s, unsigned a) : S(s), Alignment(a) {}; 2371606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng }; 2381606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng} 2391606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 2403b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// EmitConstantPool - Print to the current output stream assembly 2413b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// representations of the constants in the constant pool MCP. This is 2423b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// used to print out constants which have been "spilled to memory" by 2433b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// the code generator. 2443b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// 2453b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattnervoid AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) { 246fa77d43ba1d91ed39f46e11caeb28dcabae9e193Chris Lattner const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants(); 2473b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner if (CP.empty()) return; 2482d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 249088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov // Calculate sections for constant pool entries. We collect entries to go into 250088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov // the same section together to reduce amount of section switch statements. 2511606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng SmallVector<SectionCPs, 4> CPSections; 2522d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng for (unsigned i = 0, e = CP.size(); i != e; ++i) { 253298414ec1891ce8d3a1b69e6019ad8765c8e69dcChris Lattner const MachineConstantPoolEntry &CPE = CP[i]; 2541606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned Align = CPE.getAlignment(); 2555c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner 2565c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner SectionKind Kind; 2575c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner switch (CPE.getRelocationInfo()) { 2585c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner default: llvm_unreachable("Unknown section kind"); 2592798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 2: Kind = SectionKind::getReadOnlyWithRel(); break; 2604c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner case 1: 2612798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner Kind = SectionKind::getReadOnlyWithRelLocal(); 2624c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner break; 2635c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner case 0: 2644c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) { 2652798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 4: Kind = SectionKind::getMergeableConst4(); break; 2662798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 8: Kind = SectionKind::getMergeableConst8(); break; 2672798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 16: Kind = SectionKind::getMergeableConst16();break; 2682798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner default: Kind = SectionKind::getMergeableConst(); break; 2694c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner } 2705c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner } 2715c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner 27283d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner const MCSection *S = getObjFileLowering().getSectionForConstant(Kind); 273298414ec1891ce8d3a1b69e6019ad8765c8e69dcChris Lattner 2741606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // The number of sections are small, just do a linear search from the 2751606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // last section to the first. 2761606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng bool Found = false; 2771606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned SecIdx = CPSections.size(); 2781606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng while (SecIdx != 0) { 2791606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (CPSections[--SecIdx].S == S) { 2801606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng Found = true; 2811606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng break; 2821606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 2831606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 2841606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (!Found) { 2851606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng SecIdx = CPSections.size(); 2861606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng CPSections.push_back(SectionCPs(S, Align)); 2871606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 2881606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 2891606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (Align > CPSections[SecIdx].Alignment) 2901606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng CPSections[SecIdx].Alignment = Align; 2911606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng CPSections[SecIdx].CPEs.push_back(i); 2922d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng } 2932d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 294088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov // Now print stuff into the calculated sections. 2951606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng for (unsigned i = 0, e = CPSections.size(); i != e; ++i) { 2966c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(CPSections[i].S); 2971606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitAlignment(Log2_32(CPSections[i].Alignment)); 2982d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 2991606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned Offset = 0; 3001606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng for (unsigned j = 0, ee = CPSections[i].CPEs.size(); j != ee; ++j) { 3011606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned CPI = CPSections[i].CPEs[j]; 3021606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng MachineConstantPoolEntry CPE = CP[CPI]; 3031606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 3041606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // Emit inter-object padding for alignment. 3051606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned AlignMask = CPE.getAlignment() - 1; 3061606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned NewOffset = (Offset + AlignMask) & ~AlignMask; 3071606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitZeros(NewOffset - Offset); 3081606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 3091606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng const Type *Ty = CPE.getType(); 310777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands Offset = NewOffset + TM.getTargetData()->getTypeAllocSize(Ty); 3112d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 312088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_' 313a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman << CPI << ':'; 3141606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (VerboseAsm) { 3158f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 316cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman O << TAI->getCommentString() << " constant "; 317cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman WriteTypeSymbolic(O, CPE.getType(), MF->getFunction()->getParent()); 3181606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 319088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov O << '\n'; 3201606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (CPE.isMachineConstantPoolEntry()) 3211606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitMachineConstantPoolValue(CPE.Val.MachineCPVal); 322088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov else 3231606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitGlobalConstant(CPE.Val.ConstVal); 3243029f920519e0871a5aad5d7c592281093953733Chris Lattner } 3253b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner } 3263b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner} 3273b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner 32837efe6764568a3829fee26aba532283131d1a104Nate Begeman/// EmitJumpTableInfo - Print assembly representations of the jump tables used 32937efe6764568a3829fee26aba532283131d1a104Nate Begeman/// by the current function to the current output stream. 33037efe6764568a3829fee26aba532283131d1a104Nate Begeman/// 3311da31ee472b9615d7329c656e2cc17c419ed7c95Chris Lattnervoid AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI, 3321da31ee472b9615d7329c656e2cc17c419ed7c95Chris Lattner MachineFunction &MF) { 33337efe6764568a3829fee26aba532283131d1a104Nate Begeman const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 33437efe6764568a3829fee26aba532283131d1a104Nate Begeman if (JT.empty()) return; 3359de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 336acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey bool IsPic = TM.getRelocationModel() == Reloc::PIC_; 3374d9bbdc4408cc871d229677313cc4887862719d7Nate Begeman 3382f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman // Pick the directive to use to print the jump table entries, and switch to 3392f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman // the appropriate section. 340acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey TargetLowering *LoweringInfo = TM.getTargetLowering(); 34124287ddb81aca5d2579dc30ebd3528d2521529d7Anton Korobeynikov 342e87f52d722d4184becb2ecaf4500dd01d176bfc2Anton Korobeynikov const Function *F = MF.getFunction(); 343b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng bool JTInDiffSection = false; 34483d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner if (F->isWeakForLinker() || 34583d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner (IsPic && !LoweringInfo->usesGlobalOffsetTable())) { 346acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey // In PIC mode, we need to emit the jump table to the same section as the 347acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey // function body itself, otherwise the label differences won't make sense. 348e87f52d722d4184becb2ecaf4500dd01d176bfc2Anton Korobeynikov // We should also do if the section name is NULL or function is declared in 349e87f52d722d4184becb2ecaf4500dd01d176bfc2Anton Korobeynikov // discardable section. 3506c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, 3516c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner TM)); 3522f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman } else { 35383d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner // Otherwise, drop it in the readonly section. 35483d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner const MCSection *ReadOnlySection = 3552798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner getObjFileLowering().getSectionForConstant(SectionKind::getReadOnly()); 3566c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(ReadOnlySection); 357b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng JTInDiffSection = true; 3582f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman } 359acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 360acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey EmitAlignment(Log2_32(MJTI->getAlignment())); 3610c4e6789da4dba6c7b0010886776b24dec3f3bb8Chris Lattner 36237efe6764568a3829fee26aba532283131d1a104Nate Begeman for (unsigned i = 0, e = JT.size(); i != e; ++i) { 36352a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman const std::vector<MachineBasicBlock*> &JTBBs = JT[i].MBBs; 36407371882208f913d18a7f2a47373eaee7138416bChris Lattner 36507371882208f913d18a7f2a47373eaee7138416bChris Lattner // If this jump table was deleted, ignore it. 36607371882208f913d18a7f2a47373eaee7138416bChris Lattner if (JTBBs.empty()) continue; 36752a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 36852a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman // For PIC codegen, if possible we want to use the SetDirective to reduce 36952a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman // the number of relocations the assembler will generate for the jump table. 37052a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman // Set directives are all printed before the jump table itself. 371cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng SmallPtrSet<MachineBasicBlock*, 16> EmittedSets; 372acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey if (TAI->getSetDirective() && IsPic) 37352a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) 374cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng if (EmittedSets.insert(JTBBs[ii])) 375cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng printPICJumpTableSetLabel(i, JTBBs[ii]); 37652a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 377393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner // On some targets (e.g. darwin) we want to emit two consequtive labels 378393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner // before each jump table. The first label is never referenced, but tells 379393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner // the assembler and linker the extents of the jump table object. The 380393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner // second label is actually referenced by the code. 381b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng if (JTInDiffSection) { 382b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng if (const char *JTLabelPrefix = TAI->getJumpTableSpecialLabelPrefix()) 383b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n"; 384b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng } 385393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner 386347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 387347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << '_' << i << ":\n"; 38852a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 38937efe6764568a3829fee26aba532283131d1a104Nate Begeman for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) { 3909de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov printPICJumpTableEntry(MJTI, JTBBs[ii], i); 39137efe6764568a3829fee26aba532283131d1a104Nate Begeman O << '\n'; 39237efe6764568a3829fee26aba532283131d1a104Nate Begeman } 39337efe6764568a3829fee26aba532283131d1a104Nate Begeman } 39437efe6764568a3829fee26aba532283131d1a104Nate Begeman} 39537efe6764568a3829fee26aba532283131d1a104Nate Begeman 3969de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikovvoid AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI, 3979de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov const MachineBasicBlock *MBB, 3989de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov unsigned uid) const { 399b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner bool isPIC = TM.getRelocationModel() == Reloc::PIC_; 4009de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4019de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // Use JumpTableDirective otherwise honor the entry size from the jump table 4029de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // info. 403b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner const char *JTEntryDirective = TAI->getJumpTableDirective(isPIC); 4049de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov bool HadJTEntryDirective = JTEntryDirective != NULL; 4059de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov if (!HadJTEntryDirective) { 4069de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov JTEntryDirective = MJTI->getEntrySize() == 4 ? 4079de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov TAI->getData32bitsDirective() : TAI->getData64bitsDirective(); 4089de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov } 4099de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4109de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov O << JTEntryDirective << ' '; 4119de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4129de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // If we have emitted set directives for the jump table entries, print 4139de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // them rather than the entries themselves. If we're emitting PIC, then 4149de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // emit the table entries as differences between two text section labels. 4159de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // If we're emitting non-PIC code, then emit the entries as direct 4169de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // references to the target basic blocks. 417b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner if (!isPIC) { 418b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner printBasicBlockLabel(MBB, false, false, false); 419b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner } else if (TAI->getSetDirective()) { 420b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner O << TAI->getPrivateGlobalPrefix() << getFunctionNumber() 421b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner << '_' << uid << "_set_" << MBB->getNumber(); 4229de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov } else { 423fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng printBasicBlockLabel(MBB, false, false, false); 424b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner // If the arch uses custom Jump Table directives, don't calc relative to 425b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner // JT 426b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner if (!HadJTEntryDirective) 427b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" 428b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner << getFunctionNumber() << '_' << uid; 4299de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov } 4309de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov} 4319de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4329de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 433ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// EmitSpecialLLVMGlobal - Check to see if the specified global is a 434ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// special global used by LLVM. If so, emit it and return true, otherwise 435ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// do nothing and return false. 436ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattnerbool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) { 43703d7651c3652e1f0cc86e79b26585d86818da9cfDaniel Dunbar if (GV->getName() == "llvm.used") { 438b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth if (TAI->getUsedDirective() != 0) // No need to emit this at all. 439b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth EmitLLVMUsedList(GV->getInitializer()); 440b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth return true; 441b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth } 442b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth 443401e10c4fbfcdcfade5065093e2ca97f69a1d144Chris Lattner // Ignore debug and non-emitted data. This handles llvm.compiler.used. 444266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner if (GV->getSection() == "llvm.metadata" || 445266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner GV->hasAvailableExternallyLinkage()) 446266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner return true; 4477809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey 4487809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey if (!GV->hasAppendingLinkage()) return false; 4497809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey 4507809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey assert(GV->hasInitializer() && "Not a special LLVM global!"); 451ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 452916d07cdfa89e77118043ec6e14575512ae1bf85Evan Cheng const TargetData *TD = TM.getTargetData(); 453916d07cdfa89e77118043ec6e14575512ae1bf85Evan Cheng unsigned Align = Log2_32(TD->getPointerPrefAlignment()); 454f231c07228deb75b6cd5ae7c9c057bc8303c6998Chris Lattner if (GV->getName() == "llvm.global_ctors") { 4556c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().getStaticCtorSection()); 456ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitAlignment(Align, 0); 457ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitXXStructorList(GV->getInitializer()); 458ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner return true; 459ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner } 460ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 461f231c07228deb75b6cd5ae7c9c057bc8303c6998Chris Lattner if (GV->getName() == "llvm.global_dtors") { 4626c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().getStaticDtorSection()); 463ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitAlignment(Align, 0); 464ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitXXStructorList(GV->getInitializer()); 465ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner return true; 466ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner } 467ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 468ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner return false; 469ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner} 470ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 471cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner/// EmitLLVMUsedList - For targets that define a TAI::UsedDirective, mark each 472d2e51af0358b571367a9f1e5175b87e9dd72edf8Dale Johannesen/// global in the specified llvm.used list for which emitUsedDirectiveFor 473d2e51af0358b571367a9f1e5175b87e9dd72edf8Dale Johannesen/// is true, as being used with this directive. 474cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattnervoid AsmPrinter::EmitLLVMUsedList(Constant *List) { 475cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner const char *Directive = TAI->getUsedDirective(); 476cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner 477a119de86a064414622562cfe32953de7f9b0ee40Dan Gohman // Should be an array of 'i8*'. 478cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner ConstantArray *InitList = dyn_cast<ConstantArray>(List); 479cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner if (InitList == 0) return; 480cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner 481cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) { 48216fe990e56102a355f1e77aca93bf8c79d7b9eb2Chris Lattner const GlobalValue *GV = 48316fe990e56102a355f1e77aca93bf8c79d7b9eb2Chris Lattner dyn_cast<GlobalValue>(InitList->getOperand(i)->stripPointerCasts()); 48426630c1180502d07c9b2b4a9a4ba06bc5ddf180bChris Lattner if (GV && getObjFileLowering().shouldEmitUsedDirectiveFor(GV, Mang)) { 48561e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen O << Directive; 48661e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen EmitConstantValueOnly(InitList->getOperand(i)); 48761e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen O << '\n'; 48861e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen } 489cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner } 490cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner} 491cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner 492ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// EmitXXStructorList - Emit the ctor or dtor list. This just prints out the 493ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// function pointers, ignoring the init priority. 494ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattnervoid AsmPrinter::EmitXXStructorList(Constant *List) { 495ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner // Should be an array of '{ int, void ()* }' structs. The first value is the 496ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner // init priority, which we ignore. 497ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner if (!isa<ConstantArray>(List)) return; 498ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner ConstantArray *InitList = cast<ConstantArray>(List); 499ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) 500ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner if (ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i))){ 501ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner if (CS->getNumOperands() != 2) return; // Not array of 2-element structs. 5028de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner 5038de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner if (CS->getOperand(1)->isNullValue()) 5048de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner return; // Found a null terminator, exit printing. 5058de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner // Emit the function pointer. 506ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner EmitGlobalConstant(CS->getOperand(1)); 507ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner } 508ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner} 5093b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner 510a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey/// getGlobalLinkName - Returns the asm/link name of of the specified 511a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey/// global variable. Should be overridden by each target asm printer to 512a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey/// generate the appropriate value. 5137d16e85bfc2c6423c81ce87a177bf3b1b1012a04Bill Wendlingconst std::string &AsmPrinter::getGlobalLinkName(const GlobalVariable *GV, 5147d16e85bfc2c6423c81ce87a177bf3b1b1012a04Bill Wendling std::string &LinkName) const { 5150374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey if (isa<Function>(GV)) { 5160374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey LinkName += TAI->getFunctionAddrPrefix(); 517b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner LinkName += Mang->getMangledName(GV); 5180374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey LinkName += TAI->getFunctionAddrSuffix(); 5190374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey } else { 5200374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey LinkName += TAI->getGlobalVarAddrPrefix(); 521b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner LinkName += Mang->getMangledName(GV); 5220374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey LinkName += TAI->getGlobalVarAddrSuffix(); 5230374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey } 5240374248e86f66231ff5f07e6bce14e3dd67abd14Jim Laskey 52599e41eed6d8b89b2ba4807625d13d08d85ea493dJim Laskey return LinkName; 526a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey} 527a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey 528bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey/// EmitExternalGlobal - Emit the external reference to a global variable. 529bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey/// Should be overridden if an indirect reference should be used. 530bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskeyvoid AsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) { 5317d16e85bfc2c6423c81ce87a177bf3b1b1012a04Bill Wendling std::string GLN; 5327d16e85bfc2c6423c81ce87a177bf3b1b1012a04Bill Wendling O << getGlobalLinkName(GV, GLN); 533bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey} 534bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey 535bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey 536bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey 537f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey//===----------------------------------------------------------------------===// 538f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// LEB 128 number encoding. 539f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 540f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// PrintULEB128 - Print a series of hexidecimal values (separated by commas) 541f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// representing an unsigned leb128 value. 542f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::PrintULEB128(unsigned Value) const { 543a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner char Buffer[20]; 544f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey do { 545a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner unsigned char Byte = static_cast<unsigned char>(Value & 0x7f); 546f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey Value >>= 7; 547f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (Value) Byte |= 0x80; 548a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner O << "0x" << utohex_buffer(Byte, Buffer+20); 549f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (Value) O << ", "; 550f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } while (Value); 551f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 552f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 553f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// PrintSLEB128 - Print a series of hexidecimal values (separated by commas) 554f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// representing a signed leb128 value. 555f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::PrintSLEB128(int Value) const { 556f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey int Sign = Value >> (8 * sizeof(Value) - 1); 557f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey bool IsMore; 558a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner char Buffer[20]; 559ffe31d7bf1e070650b0ff9ebfac815ea172a82bbAnton Korobeynikov 560f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey do { 561a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner unsigned char Byte = static_cast<unsigned char>(Value & 0x7f); 562f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey Value >>= 7; 563f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0; 564f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (IsMore) Byte |= 0x80; 565a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner O << "0x" << utohex_buffer(Byte, Buffer+20); 566f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (IsMore) O << ", "; 567f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } while (IsMore); 568f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 569f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 570f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey//===--------------------------------------------------------------------===// 571f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey// Emission and print routines 572f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey// 573f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 574f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// PrintHex - Print a value as a hexidecimal value. 575f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 576f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::PrintHex(int Value) const { 577c6a1346d7c6bb761f9e6c2c85b53febba1cb15dbChris Lattner char Buffer[20]; 578c6a1346d7c6bb761f9e6c2c85b53febba1cb15dbChris Lattner O << "0x" << utohex_buffer(static_cast<unsigned>(Value), Buffer+20); 579f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 580f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 581f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EOL - Print a newline character to asm stream. If a comment is present 582f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// then it will be printed first. Comments should not contain '\n'. 583bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskeyvoid AsmPrinter::EOL() const { 584d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 585bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey} 58625995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson 587f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EOL(const std::string &Comment) const { 5886547e406cf934346db7a206b61bcf09635afff0dEvan Cheng if (VerboseAsm && !Comment.empty()) { 5898f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 590a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 591d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman << ' ' 592f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey << Comment; 593f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 594d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 595f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 596f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 59725995093e785f4794b3590f3df70fbfe834a00a1Owen Andersonvoid AsmPrinter::EOL(const char* Comment) const { 5986547e406cf934346db7a206b61bcf09635afff0dEvan Cheng if (VerboseAsm && *Comment) { 5998f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 600a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 60125995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson << ' ' 60225995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson << Comment; 60325995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson } 60425995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson O << '\n'; 60525995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson} 60625995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson 607f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an 608f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// unsigned leb128 value. 609f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitULEB128Bytes(unsigned Value) const { 610f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (TAI->hasLEB128()) { 611f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\t.uleb128\t" 612f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey << Value; 613f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 614f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << TAI->getData8bitsDirective(); 615f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintULEB128(Value); 616f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 617f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 618f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 619f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitSLEB128Bytes - print an assembler byte data directive to compose a 620f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// signed leb128 value. 621f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitSLEB128Bytes(int Value) const { 622f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (TAI->hasLEB128()) { 623f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\t.sleb128\t" 624f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey << Value; 625f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 626f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << TAI->getData8bitsDirective(); 627f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintSLEB128(Value); 628f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 629f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 630f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 631f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt8 - Emit a byte directive and value. 632f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 633f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt8(int Value) const { 634f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << TAI->getData8bitsDirective(); 635f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value & 0xFF); 636f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 637f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 638f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt16 - Emit a short directive and value. 639f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 640f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt16(int Value) const { 641f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << TAI->getData16bitsDirective(); 642f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value & 0xFFFF); 643f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 644f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 645f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt32 - Emit a long directive and value. 646f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 647f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt32(int Value) const { 648f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << TAI->getData32bitsDirective(); 649f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value); 650f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 651f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 652f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt64 - Emit a long long directive and value. 653f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 654f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt64(uint64_t Value) const { 655f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (TAI->getData64bitsDirective()) { 656f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << TAI->getData64bitsDirective(); 657f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value); 658f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 659f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (TM.getTargetData()->isBigEndian()) { 660d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman EmitInt32(unsigned(Value >> 32)); O << '\n'; 661f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey EmitInt32(unsigned(Value)); 662f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 663d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman EmitInt32(unsigned(Value)); O << '\n'; 664f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey EmitInt32(unsigned(Value >> 32)); 665f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 666f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 667f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 668f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 669f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// toOctal - Convert the low order bits of X into an octal digit. 670f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 671f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeystatic inline char toOctal(int X) { 672f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey return (X&7)+'0'; 673f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 674f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 675f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// printStringChar - Print a char, escaped if necessary. 676f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 67771847813bc419f7a0667468136a07429c6d9f164David Greenestatic void printStringChar(formatted_raw_ostream &O, unsigned char C) { 678f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (C == '"') { 679f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\\\""; 680f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else if (C == '\\') { 681f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\\\\"; 682bbfa244b2fa986c53a1bcf38b6dd0fea082afaaaChris Lattner } else if (isprint((unsigned char)C)) { 683f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << C; 684f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 685f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey switch(C) { 686f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\b': O << "\\b"; break; 687f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\f': O << "\\f"; break; 688f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\n': O << "\\n"; break; 689f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\r': O << "\\r"; break; 690f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\t': O << "\\t"; break; 691f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey default: 692f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << '\\'; 693f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << toOctal(C >> 6); 694f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << toOctal(C >> 3); 695f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << toOctal(C >> 0); 696f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey break; 697f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 698f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 699f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 700f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 701f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitString - Emit a string with quotes and a null terminator. 702f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// Special characters are emitted properly. 703f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// \literal (Eg. '\t') \endliteral 704f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitString(const std::string &String) const { 705f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling EmitString(String.c_str(), String.size()); 706f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling} 707f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling 708f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendlingvoid AsmPrinter::EmitString(const char *String, unsigned Size) const { 709fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov const char* AscizDirective = TAI->getAscizDirective(); 710fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov if (AscizDirective) 711fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov O << AscizDirective; 712fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov else 713fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov O << TAI->getAsciiDirective(); 714d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 715f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling for (unsigned i = 0; i < Size; ++i) 716a118c2ee89842346ef2fd332c0fea6b931d79483Chris Lattner printStringChar(O, String[i]); 717fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov if (AscizDirective) 718d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 719fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov else 720fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov O << "\\0\""; 721f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 722f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 723f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 724189f80dc253664627253b2d2cb07d0714feb12baDan Gohman/// EmitFile - Emit a .file directive. 725189f80dc253664627253b2d2cb07d0714feb12baDan Gohmanvoid AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const { 726189f80dc253664627253b2d2cb07d0714feb12baDan Gohman O << "\t.file\t" << Number << " \""; 727a118c2ee89842346ef2fd332c0fea6b931d79483Chris Lattner for (unsigned i = 0, N = Name.size(); i < N; ++i) 728a118c2ee89842346ef2fd332c0fea6b931d79483Chris Lattner printStringChar(O, Name[i]); 729d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 730189f80dc253664627253b2d2cb07d0714feb12baDan Gohman} 731189f80dc253664627253b2d2cb07d0714feb12baDan Gohman 732189f80dc253664627253b2d2cb07d0714feb12baDan Gohman 733f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey//===----------------------------------------------------------------------===// 734f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 7353a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// EmitAlignment - Emit an alignment directive to the specified power of 7363a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// two boundary. For example, if you pass in 3 here, you will get an 8 7373a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// byte alignment. If a global value is specified, and if that global has 7383a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// an explicit alignment requested, it will unconditionally override the 7393a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// alignment request. However, if ForcedAlignBits is specified, this value 7403a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// has final say: the ultimate alignment will be the max of ForcedAlignBits 7413a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// and the alignment computed with NumBits and the global. 7423a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// 7433a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// The algorithm is: 7443a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// Align = NumBits; 7453a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// if (GV && GV->hasalignment) Align = GV->getalignment(); 7463a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// Align = std::max(Align, ForcedAlignBits); 7473a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// 7483a4205367dc845d4cd804b47e061f8281777c9daChris Lattnervoid AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV, 74905548eb174dd694b651de334b73197a62e5071f1Evan Cheng unsigned ForcedAlignBits, 75005548eb174dd694b651de334b73197a62e5071f1Evan Cheng bool UseFillExpr) const { 75100d56b96e599acbc4f895e86e17029ae7c45f142Dale Johannesen if (GV && GV->getAlignment()) 7523a4205367dc845d4cd804b47e061f8281777c9daChris Lattner NumBits = Log2_32(GV->getAlignment()); 7533a4205367dc845d4cd804b47e061f8281777c9daChris Lattner NumBits = std::max(NumBits, ForcedAlignBits); 7543a4205367dc845d4cd804b47e061f8281777c9daChris Lattner 7552a21c6e86101c857d683e7bdefb775654ccab7e3Chris Lattner if (NumBits == 0) return; // No need to emit alignment. 756563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey if (TAI->getAlignmentIsInBytes()) NumBits = 1 << NumBits; 75773a259a9d1814912255aee6c185c5aeb7bb581baEvan Cheng O << TAI->getAlignDirective() << NumBits; 758fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng 759dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner if (getCurrentSection()->getKind().isText()) 760290c2f56ce551ebcf4480ac2944986fe4bb339e9Chris Lattner if (unsigned FillValue = TAI->getTextAlignFillValue()) { 761290c2f56ce551ebcf4480ac2944986fe4bb339e9Chris Lattner O << ','; 762290c2f56ce551ebcf4480ac2944986fe4bb339e9Chris Lattner PrintHex(FillValue); 763290c2f56ce551ebcf4480ac2944986fe4bb339e9Chris Lattner } 764d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 765bfddc2030a7e67b9e0c42276525d6932375ff261Chris Lattner} 766a5bb59f85613e8ce481351803e7388f5ab466e72David Greene 76725045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner/// EmitZeros - Emit a block of zeros. 7687d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner/// 769c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitZeros(uint64_t NumZeros, unsigned AddrSpace) const { 7707d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner if (NumZeros) { 771563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey if (TAI->getZeroDirective()) { 772563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getZeroDirective() << NumZeros; 773563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey if (TAI->getZeroDirectiveSuffix()) 774563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getZeroDirectiveSuffix(); 775d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 776c6a057b04db506152c98355b51ba15d82a15b90aJeff Cohen } else { 7777d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner for (; NumZeros; --NumZeros) 778c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData8bitsDirective(AddrSpace) << "0\n"; 7797d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner } 7807d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner } 7817d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner} 7827d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner 783a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// Print out the specified constant, without a storage class. Only the 784a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// constants valid in constant expressions can occur here. 78525045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattnervoid AsmPrinter::EmitConstantValueOnly(const Constant *CV) { 786bd1d382cc47dfc43ee758714bc22ab5a750bad15Chris Lattner if (CV->isNullValue() || isa<UndefValue>(CV)) 787d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '0'; 7886b6b6ef1677fa71b1072c2911b4c1f9524a558c9Zhou Sheng else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { 7894315eee376450972d111c8e263ca8aecc7a3a13bScott Michel O << CI->getZExtValue(); 790b83eb6447ba155342598f0fabe1f08f5baa9164aReid Spencer } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV)) { 791855a51974134e818232e52d63a2c3b2b48c8e244Duraid Madina // This is a constant address for a global variable or function. Use the 792855a51974134e818232e52d63a2c3b2b48c8e244Duraid Madina // name of the variable or function as the address value, possibly 793855a51974134e818232e52d63a2c3b2b48c8e244Duraid Madina // decorating it with GlobalVarAddrPrefix/Suffix or 794855a51974134e818232e52d63a2c3b2b48c8e244Duraid Madina // FunctionAddrPrefix/Suffix (these all default to "" ) 795563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey if (isa<Function>(GV)) { 796563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getFunctionAddrPrefix() 797b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner << Mang->getMangledName(GV) 798563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey << TAI->getFunctionAddrSuffix(); 799563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey } else { 800563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getGlobalVarAddrPrefix() 801b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner << Mang->getMangledName(GV) 802563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey << TAI->getGlobalVarAddrSuffix(); 803563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey } 804855a51974134e818232e52d63a2c3b2b48c8e244Duraid Madina } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) { 805a69571c7991813c93cba64e88eced6899ce93d81Owen Anderson const TargetData *TD = TM.getTargetData(); 80613b7d3d499ec63c5f417f7a7246afb77adb63b2eAnton Korobeynikov unsigned Opcode = CE->getOpcode(); 80713b7d3d499ec63c5f417f7a7246afb77adb63b2eAnton Korobeynikov switch (Opcode) { 808c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::Trunc: 809c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::ZExt: 810c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::SExt: 811c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPTrunc: 812c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPExt: 813c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::UIToFP: 814c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::SIToFP: 815c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPToUI: 816c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPToSI: 817c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner llvm_unreachable("FIXME: Don't support this constant cast expr"); 818a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner case Instruction::GetElementPtr: { 819a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner // generate a symbolic expression for the byte address 820a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner const Constant *ptrVal = CE->getOperand(0); 8217f6b9d2f1a7d55f6a84a1e8078b895ce4ff66daeChris Lattner SmallVector<Value*, 8> idxVec(CE->op_begin()+1, CE->op_end()); 8227f6b9d2f1a7d55f6a84a1e8078b895ce4ff66daeChris Lattner if (int64_t Offset = TD->getIndexedOffset(ptrVal->getType(), &idxVec[0], 8237f6b9d2f1a7d55f6a84a1e8078b895ce4ff66daeChris Lattner idxVec.size())) { 8244798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner // Truncate/sext the offset to the pointer size. 8254798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner if (TD->getPointerSizeInBits() != 64) { 8264798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner int SExtAmount = 64-TD->getPointerSizeInBits(); 8274798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner Offset = (Offset << SExtAmount) >> SExtAmount; 8284798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner } 8294798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner 83027e192196fec42618c7fcbd865e8e0b541545671Chris Lattner if (Offset) 831d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '('; 83225045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(ptrVal); 83327e192196fec42618c7fcbd865e8e0b541545671Chris Lattner if (Offset > 0) 83427e192196fec42618c7fcbd865e8e0b541545671Chris Lattner O << ") + " << Offset; 83527e192196fec42618c7fcbd865e8e0b541545671Chris Lattner else if (Offset < 0) 83627e192196fec42618c7fcbd865e8e0b541545671Chris Lattner O << ") - " << -Offset; 837a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } else { 83825045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(ptrVal); 839a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 840a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner break; 841a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 842cb0a6819895bf5e357a205b72f0a6fce90025f21Chris Lattner case Instruction::BitCast: 843cb0a6819895bf5e357a205b72f0a6fce90025f21Chris Lattner return EmitConstantValueOnly(CE->getOperand(0)); 844cb0a6819895bf5e357a205b72f0a6fce90025f21Chris Lattner 845ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner case Instruction::IntToPtr: { 846ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // Handle casts to pointers by changing them into casts to the appropriate 847ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // integer type. This promotes constant folding and simplifies this code. 848ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner Constant *Op = CE->getOperand(0); 8491d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Op = ConstantExpr::getIntegerCast(Op, TD->getIntPtrType(CV->getContext()), 8501d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson false/*ZExt*/); 851ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner return EmitConstantValueOnly(Op); 852ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner } 853ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner 854ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner 855ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner case Instruction::PtrToInt: { 8564a6bd33da0e30c26568baf3ad6c94d1f497e5ea7Chris Lattner // Support only foldable casts to/from pointers that can be eliminated by 8574a6bd33da0e30c26568baf3ad6c94d1f497e5ea7Chris Lattner // changing the pointer to the appropriately sized integer type. 858a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner Constant *Op = CE->getOperand(0); 859ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner const Type *Ty = CE->getType(); 860a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 861ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // We can emit the pointer value into this slot if the slot is an 862ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // integer slot greater or equal to the size of the pointer. 863c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner if (TD->getTypeAllocSize(Ty) == TD->getTypeAllocSize(Op->getType())) 8644a6bd33da0e30c26568baf3ad6c94d1f497e5ea7Chris Lattner return EmitConstantValueOnly(Op); 865d6227385fc499a8b8bc23766735f1d809d194378Nick Lewycky 866d6227385fc499a8b8bc23766735f1d809d194378Nick Lewycky O << "(("; 86725045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(Op); 868c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner APInt ptrMask = 869c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner APInt::getAllOnesValue(TD->getTypeAllocSizeInBits(Op->getType())); 870fad86b003a839cef40ec8ce8408322f4913368caChris Lattner 871fad86b003a839cef40ec8ce8408322f4913368caChris Lattner SmallString<40> S; 872fad86b003a839cef40ec8ce8408322f4913368caChris Lattner ptrMask.toStringUnsigned(S); 873fad86b003a839cef40ec8ce8408322f4913368caChris Lattner O << ") & " << S.c_str() << ')'; 874a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner break; 875a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 876a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner case Instruction::Add: 87713b7d3d499ec63c5f417f7a7246afb77adb63b2eAnton Korobeynikov case Instruction::Sub: 878feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::And: 879feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Or: 880feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Xor: 881d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '('; 88225045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(CE->getOperand(0)); 883d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << ')'; 884feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov switch (Opcode) { 885feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Add: 886feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " + "; 887feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 888feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Sub: 889feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " - "; 890feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 891feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::And: 892feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " & "; 893feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 894feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Or: 895feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " | "; 896feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 897feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Xor: 898feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " ^ "; 899feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 900feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov default: 901feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 902feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov } 903d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '('; 90425045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(CE->getOperand(1)); 905d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << ')'; 906a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner break; 907a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner default: 908c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unsupported operator!"); 909a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 910a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } else { 911c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unknown constant value!"); 912a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 913a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 9141b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 9152980cefb809c60aa1d7dd85adfc2c269f731de88Chris Lattner/// printAsCString - Print the specified array as a C compatible string, only if 9161b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner/// the predicate isString is true. 9171b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner/// 91871847813bc419f7a0667468136a07429c6d9f164David Greenestatic void printAsCString(formatted_raw_ostream &O, const ConstantArray *CVA, 9192980cefb809c60aa1d7dd85adfc2c269f731de88Chris Lattner unsigned LastElt) { 9201b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner assert(CVA->isString() && "Array is not string compatible!"); 9211b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 922d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 9232980cefb809c60aa1d7dd85adfc2c269f731de88Chris Lattner for (unsigned i = 0; i != LastElt; ++i) { 924edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman unsigned char C = 925b83eb6447ba155342598f0fabe1f08f5baa9164aReid Spencer (unsigned char)cast<ConstantInt>(CVA->getOperand(i))->getZExtValue(); 926f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey printStringChar(O, C); 9271b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } 928d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 9291b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner} 9301b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 931c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen/// EmitString - Emit a zero-byte-terminated string constant. 932c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen/// 933c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohenvoid AsmPrinter::EmitString(const ConstantArray *CVA) const { 934c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen unsigned NumElts = CVA->getNumOperands(); 935563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey if (TAI->getAscizDirective() && NumElts && 936b83eb6447ba155342598f0fabe1f08f5baa9164aReid Spencer cast<ConstantInt>(CVA->getOperand(NumElts-1))->getZExtValue() == 0) { 937563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getAscizDirective(); 938c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen printAsCString(O, CVA, NumElts-1); 939c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen } else { 940563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getAsciiDirective(); 941c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen printAsCString(O, CVA, NumElts); 942c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen } 943d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 944c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen} 945c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen 946d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantArray(const ConstantArray *CVA, 947d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Gupta unsigned AddrSpace) { 94800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (CVA->isString()) { 94900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman EmitString(CVA); 95000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { // Not a string. Print the values in successive locations 95100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i) 952d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Gupta EmitGlobalConstant(CVA->getOperand(i), AddrSpace); 95300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 95400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 95500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 95600d448a341175556ebd86af68219f5b90b7145a3Dan Gohmanvoid AsmPrinter::EmitGlobalConstantVector(const ConstantVector *CP) { 95700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const VectorType *PTy = CP->getType(); 95800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 95900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I) 96000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman EmitGlobalConstant(CP->getOperand(I)); 96100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 96200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 963c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantStruct(const ConstantStruct *CVS, 964c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta unsigned AddrSpace) { 96500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Print the fields in successive locations. Pad to align if needed! 96600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const TargetData *TD = TM.getTargetData(); 967777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands unsigned Size = TD->getTypeAllocSize(CVS->getType()); 96800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const StructLayout *cvsLayout = TD->getStructLayout(CVS->getType()); 96900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t sizeSoFar = 0; 97000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned i = 0, e = CVS->getNumOperands(); i != e; ++i) { 97100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const Constant* field = CVS->getOperand(i); 97200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 97300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Check if padding is needed and insert one or more 0s. 974777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands uint64_t fieldSize = TD->getTypeAllocSize(field->getType()); 97500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1)) 97600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman - cvsLayout->getElementOffset(i)) - fieldSize; 97700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman sizeSoFar += fieldSize + padSize; 97800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 97900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Now print the actual field value. 980c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstant(field, AddrSpace); 98100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 98200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Insert padding - this may include padding to increase the size of the 98300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // current field up to the ABI size (if the struct is not packed) as well 98400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // as padding to ensure that the next field starts at the right offset. 985c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitZeros(padSize, AddrSpace); 98600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 98700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman assert(sizeSoFar == cvsLayout->getSizeInBytes() && 98800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman "Layout of constant struct may be incorrect!"); 98900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 99000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 991c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP, 992c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta unsigned AddrSpace) { 99300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // FP Constants are printed as integer constants to avoid losing 99400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // precision... 9951d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson LLVMContext &Context = CFP->getContext(); 99600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const TargetData *TD = TM.getTargetData(); 9971d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson if (CFP->getType() == Type::getDoubleTy(Context)) { 99800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman double Val = CFP->getValueAPF().convertToDouble(); // for comment only 99900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t i = CFP->getValueAPF().bitcastToAPInt().getZExtValue(); 1000f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng if (TAI->getData64bitsDirective(AddrSpace)) { 1001f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData64bitsDirective(AddrSpace) << i; 1002a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10038f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1004cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman O << TAI->getCommentString() << " double " << Val; 1005a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1006f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1007f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng } else if (TD->isBigEndian()) { 1008f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32); 1009a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10108f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1011a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1012cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word of double " << Val; 1013a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1014f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1015f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i); 1016a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10178f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1018a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1019cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word of double " << Val; 1020a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1021f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 102200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 1023f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i); 1024a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10258f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1026a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1027cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word of double " << Val; 1028a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1029f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1030f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32); 1031a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10328f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1033a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1034cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word of double " << Val; 1035a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1036f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 103700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 103800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 10391d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson } else if (CFP->getType() == Type::getFloatTy(Context)) { 104000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman float Val = CFP->getValueAPF().convertToFloat(); // for comment only 1041c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData32bitsDirective(AddrSpace) 1042f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng << CFP->getValueAPF().bitcastToAPInt().getZExtValue(); 1043a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10448f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1045a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() << " float " << Val; 1046a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1047f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 104800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 10491d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson } else if (CFP->getType() == Type::getX86_FP80Ty(Context)) { 105000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // all long double variants are printed as hex 105100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // api needed to prevent premature destruction 105200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman APInt api = CFP->getValueAPF().bitcastToAPInt(); 105300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const uint64_t *p = api.getRawData(); 105400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Convert to double so we can print the approximate val as a comment. 105500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman APFloat DoubleVal = CFP->getValueAPF(); 105600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman bool ignored; 105700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, 105800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman &ignored); 105900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (TD->isBigEndian()) { 1060f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]); 1061a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10628f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1063a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1064cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant halfword of x86_fp80 ~" 1065f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng << DoubleVal.convertToDouble(); 1066a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1067f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1068f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48); 1069a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10708f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1071cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman O << TAI->getCommentString() << " next halfword"; 1072a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1073f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1074f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32); 1075a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10768f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1077cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman O << TAI->getCommentString() << " next halfword"; 1078a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1079f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1080f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16); 1081a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10828f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1083cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman O << TAI->getCommentString() << " next halfword"; 1084a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1085f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1086f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]); 1087a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10888f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1089a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1090cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant halfword"; 1091a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1092f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 109300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 1094f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]); 1095a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 10968f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1097a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1098cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant halfword of x86_fp80 ~" 1099f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng << DoubleVal.convertToDouble(); 1100a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1101f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1102f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16); 1103a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11048f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1105a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1106cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next halfword"; 1107a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1108f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1109f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32); 1110a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11118f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1112a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1113cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next halfword"; 1114a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1115f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1116f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48); 1117a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11188f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1119a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1120cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next halfword"; 1121a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1122f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1123f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]); 1124a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11258f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1126a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1127cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant halfword"; 1128a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1129f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 113000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 11311d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson EmitZeros(TD->getTypeAllocSize(Type::getX86_FP80Ty(Context)) - 11321d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TD->getTypeStoreSize(Type::getX86_FP80Ty(Context)), AddrSpace); 113300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 11341d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson } else if (CFP->getType() == Type::getPPC_FP128Ty(Context)) { 113500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // all long double variants are printed as hex 113600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // api needed to prevent premature destruction 113700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman APInt api = CFP->getValueAPF().bitcastToAPInt(); 113800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const uint64_t *p = api.getRawData(); 113900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (TD->isBigEndian()) { 1140f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32); 1141a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11428f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1143a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1144cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word of ppc_fp128"; 1145a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1146f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1147f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]); 1148a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11498f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1150a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1151cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1152a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1153f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1154f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32); 1155a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11568f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1157a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1158cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1159a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1160f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1161f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]); 1162a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11638f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1164a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1165cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word"; 1166a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1167f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 116800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 1169f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]); 1170a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11718f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1172a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1173cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word of ppc_fp128"; 1174a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1175f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1176f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32); 1177a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11788f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1179a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1180cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1181a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1182f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1183f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]); 1184a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11858f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1186a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1187cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1188a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1189f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1190f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32); 1191a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 11928f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1193a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1194cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word"; 1195a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1196f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 119700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 119800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 1199c23197a26f34f559ea9797de51e187087c039c42Torok Edwin } else llvm_unreachable("Floating point constant type not handled"); 120000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 120100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 1202c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI, 1203c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta unsigned AddrSpace) { 120400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const TargetData *TD = TM.getTargetData(); 120500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman unsigned BitWidth = CI->getBitWidth(); 120600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman assert(isPowerOf2_32(BitWidth) && 120700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman "Non-power-of-2-sized integers not handled!"); 120800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 120900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // We don't expect assemblers to support integer data directives 121000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // for more than 64 bits, so we emit the data in at most 64-bit 121100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // quantities at a time. 121200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const uint64_t *RawData = CI->getValue().getRawData(); 121300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned i = 0, e = BitWidth / 64; i != e; ++i) { 121400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t Val; 121500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (TD->isBigEndian()) 121600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman Val = RawData[e - i - 1]; 121700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman else 121800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman Val = RawData[i]; 121900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 1220c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta if (TAI->getData64bitsDirective(AddrSpace)) 1221c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData64bitsDirective(AddrSpace) << Val << '\n'; 122200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman else if (TD->isBigEndian()) { 1223f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32); 1224a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 12258f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1226a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1227cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant half of i64 " << Val; 1228a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1229f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1230f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val); 1231a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 12328f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1233a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1234cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant half of i64 " << Val; 1235a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1236f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 123700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 1238f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val); 1239a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 12408f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1241a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1242cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant half of i64 " << Val; 1243a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1244f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1245f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32); 1246a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 12478f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1248a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() 1249cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant half of i64 " << Val; 1250a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1251f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 125200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 125300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 125400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 125500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 125625045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner/// EmitGlobalConstant - Print a general LLVM constant to the .s file. 1257c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) { 1258a69571c7991813c93cba64e88eced6899ce93d81Owen Anderson const TargetData *TD = TM.getTargetData(); 125900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const Type *type = CV->getType(); 1260777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands unsigned Size = TD->getTypeAllocSize(type); 12611b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 1262bd1d382cc47dfc43ee758714bc22ab5a750bad15Chris Lattner if (CV->isNullValue() || isa<UndefValue>(CV)) { 1263c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitZeros(Size, AddrSpace); 12641b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12651b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) { 1266d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Gupta EmitGlobalConstantArray(CVA , AddrSpace); 12671b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12681b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) { 1269c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstantStruct(CVS, AddrSpace); 12701b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12711b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) { 1272c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstantFP(CFP, AddrSpace); 127300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 127400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { 127500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Small integers are handled below; large integers are handled here. 127600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (Size > 4) { 1277c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstantLargeInt(CI, AddrSpace); 12781b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12791b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } 12809d6565a5b1fbc4286d6ee638d8f47a3171a9ed7eReid Spencer } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) { 128100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman EmitGlobalConstantVector(CP); 12828cfa57b1b4eade4e0101195b2f94ab288cd03563Nate Begeman return; 12831b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } 12841b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 1285c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta printDataDirective(type, AddrSpace); 128625045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(CV); 1287f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng if (VerboseAsm) { 1288f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { 1289f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng SmallString<40> S; 1290f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng CI->getValue().toStringUnsigned(S, 16); 12918f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1292e45da0dce0af2d6254c7db63a2fe0c3501dd3a5aDan Gohman O << TAI->getCommentString() << " 0x" << S.c_str(); 1293f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng } 1294eefc845b5f407adf1992602aaac1142b2d583220Scott Michel } 1295d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 12961b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner} 12970264d1a4777370009176157b76d116b3195e3767Chris Lattner 1298fad86b003a839cef40ec8ce8408322f4913368caChris Lattnervoid AsmPrinter::EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { 1299d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng // Target doesn't support this yet! 1300c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Target does not support EmitMachineConstantPoolValue"); 1301d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng} 1302d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 13033ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// PrintSpecial - Print information related to the specified machine instr 13043ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// that is independent of the operand, and may be independent of the instr 13053ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// itself. This can be useful for portably encoding the comment character 13063ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// or other bits of target-specific knowledge into the asmstrings. The 13073ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// syntax used is ${:comment}. Targets can override this to add support 13083ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// for their own strange codes. 13093e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattnervoid AsmPrinter::PrintSpecial(const MachineInstr *MI, const char *Code) const { 1310bae02cfd46c569bb571a234544fb1bbe19c43b59Chris Lattner if (!strcmp(Code, "private")) { 1311bae02cfd46c569bb571a234544fb1bbe19c43b59Chris Lattner O << TAI->getPrivateGlobalPrefix(); 1312bae02cfd46c569bb571a234544fb1bbe19c43b59Chris Lattner } else if (!strcmp(Code, "comment")) { 1313f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng if (VerboseAsm) 1314f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << TAI->getCommentString(); 13153ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner } else if (!strcmp(Code, "uid")) { 1316b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner // Comparing the address of MI isn't sufficient, because machineinstrs may 1317b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner // be allocated to the same address across functions. 1318b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner const Function *ThisF = MI->getParent()->getParent()->getFunction(); 1319b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner 1320bd58edf59128d2acb5ae48c76ef8a108fd587db2Owen Anderson // If this is a new LastFn instruction, bump the counter. 1321bd58edf59128d2acb5ae48c76ef8a108fd587db2Owen Anderson if (LastMI != MI || LastFn != ThisF) { 1322b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner ++Counter; 1323b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner LastMI = MI; 1324bd58edf59128d2acb5ae48c76ef8a108fd587db2Owen Anderson LastFn = ThisF; 1325b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner } 13263ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner O << Counter; 13273ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner } else { 13287d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin std::string msg; 13297d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin raw_string_ostream Msg(msg); 13307d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin Msg << "Unknown special formatter '" << Code 1331e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling << "' for machine instr: " << *MI; 13327d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error(Msg.str()); 13333ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner } 13343ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner} 13353ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner 1336cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis/// processDebugLoc - Processes the debug information of each machine 1337cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis/// instruction's DebugLoc. 1338cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidisvoid AsmPrinter::processDebugLoc(DebugLoc DL) { 1339d250329291dd9fe0d5f0e72e6cf1e287558a7cbaChris Lattner if (!TAI || !DW) 1340d250329291dd9fe0d5f0e72e6cf1e287558a7cbaChris Lattner return; 1341d250329291dd9fe0d5f0e72e6cf1e287558a7cbaChris Lattner 1342cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis if (TAI->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) { 1343cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis if (!DL.isUnknown()) { 1344cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis DebugLocTuple CurDLT = MF->getDebugLocTuple(DL); 1345cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis 1346cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT) 1347cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis printLabel(DW->RecordSourceLine(CurDLT.Line, CurDLT.Col, 1348cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis DICompileUnit(CurDLT.CompileUnit))); 1349cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis 1350cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis PrevDLT = CurDLT; 1351cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis } 1352cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis } 1353cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis} 13543ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner 13550264d1a4777370009176157b76d116b3195e3767Chris Lattner/// printInlineAsm - This method formats and prints the specified machine 13560264d1a4777370009176157b76d116b3195e3767Chris Lattner/// instruction that is an inline asm. 13570264d1a4777370009176157b76d116b3195e3767Chris Lattnervoid AsmPrinter::printInlineAsm(const MachineInstr *MI) const { 1358f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner unsigned NumOperands = MI->getNumOperands(); 1359f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner 1360f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner // Count the number of register definitions. 1361f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner unsigned NumDefs = 0; 1362d735b8019b0f297d7c14b55adcd887af24d8e602Dan Gohman for (; MI->getOperand(NumDefs).isReg() && MI->getOperand(NumDefs).isDef(); 136367942f5dc30be1810f983aba8c94c49ca44e8634Chris Lattner ++NumDefs) 1364f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner assert(NumDefs != NumOperands-1 && "No asm string?"); 1365f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner 1366d735b8019b0f297d7c14b55adcd887af24d8e602Dan Gohman assert(MI->getOperand(NumDefs).isSymbol() && "No asm string?"); 13676609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 13686609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // Disassemble the AsmStr, printing out the literal pieces, the operands, etc. 1369f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner const char *AsmStr = MI->getOperand(NumDefs).getSymbolName(); 13706609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1371ba2a0b960ea4c73d0f81557f63ae2ea126e08905Dale Johannesen // If this asmstr is empty, just print the #APP/#NOAPP markers. 1372ba2a0b960ea4c73d0f81557f63ae2ea126e08905Dale Johannesen // These are useful to see where empty asm's wound up. 1373f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner if (AsmStr[0] == 0) { 1374e2b060161c92ddf60b5d020f981451e9e34a3f02Chris Lattner O << TAI->getCommentString() << TAI->getInlineAsmStart() << "\n\t"; 1375e2b060161c92ddf60b5d020f981451e9e34a3f02Chris Lattner O << TAI->getCommentString() << TAI->getInlineAsmEnd() << '\n'; 1376f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner return; 1377f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner } 1378f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner 1379e2b060161c92ddf60b5d020f981451e9e34a3f02Chris Lattner O << TAI->getCommentString() << TAI->getInlineAsmStart() << "\n\t"; 1380f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner 1381eb9a42c90bf7e21ad8544315a65f86b668cc0277Bill Wendling // The variant of the current asmprinter. 1382eb9a42c90bf7e21ad8544315a65f86b668cc0277Bill Wendling int AsmPrinterVariant = TAI->getAssemblerDialect(); 1383eb9a42c90bf7e21ad8544315a65f86b668cc0277Bill Wendling 13846609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner int CurVariant = -1; // The number of the {.|.|.} region we are in. 13856609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner const char *LastEmitted = AsmStr; // One past the last character emitted. 13862cc2f66c25d9576743026688fdae5ed402726532Chris Lattner 13876609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner while (*LastEmitted) { 13886609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner switch (*LastEmitted) { 13896609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner default: { 13906609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // Not a special case, emit the string section literally. 13916609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner const char *LiteralEnd = LastEmitted+1; 13926609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner while (*LiteralEnd && *LiteralEnd != '{' && *LiteralEnd != '|' && 13931c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner *LiteralEnd != '}' && *LiteralEnd != '$' && *LiteralEnd != '\n') 13946609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LiteralEnd; 13956609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (CurVariant == -1 || CurVariant == AsmPrinterVariant) 13966609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner O.write(LastEmitted, LiteralEnd-LastEmitted); 13976609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner LastEmitted = LiteralEnd; 13986609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner break; 13996609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14001c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner case '\n': 14011c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner ++LastEmitted; // Consume newline character. 1402d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; // Indent code with newline. 14031c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner break; 14046609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner case '$': { 14056609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume '$' character. 1406faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner bool Done = true; 1407faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner 1408faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner // Handle escapes. 1409faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner switch (*LastEmitted) { 1410faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner default: Done = false; break; 1411faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case '$': // $$ -> $ 14126609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (CurVariant == -1 || CurVariant == AsmPrinterVariant) 14136609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner O << '$'; 14146609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume second '$' character. 14156609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner break; 1416faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case '(': // $( -> same as GCC's { character. 1417faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner ++LastEmitted; // Consume '(' character. 1418faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner if (CurVariant != -1) { 14197d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Nested variants found in inline asm string: '" 14207d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 1421faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner } 1422faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner CurVariant = 0; // We're in the first variant now. 1423faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner break; 1424faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case '|': 1425faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner ++LastEmitted; // consume '|' character. 14268b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen if (CurVariant == -1) 14278b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen O << '|'; // this is gcc's behavior for | outside a variant 14288b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen else 14298b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen ++CurVariant; // We're in the next variant. 1430faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner break; 1431faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case ')': // $) -> same as GCC's } char. 1432faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner ++LastEmitted; // consume ')' character. 14338b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen if (CurVariant == -1) 14348b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen O << '}'; // this is gcc's behavior for } outside a variant 14358b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen else 14368b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen CurVariant = -1; 1437faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner break; 14386609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 1439faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner if (Done) break; 14406609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 14416609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner bool HasCurlyBraces = false; 14426609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (*LastEmitted == '{') { // ${variable} 14436609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume '{' character. 14446609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner HasCurlyBraces = true; 14456609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14466609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 14473e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner // If we have ${:foo}, then this is not a real operand reference, it is a 14483e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner // "magic" string reference, just like in .td files. Arrange to call 14493e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner // PrintSpecial. 14503e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner if (HasCurlyBraces && *LastEmitted == ':') { 14513e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner ++LastEmitted; 14523e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner const char *StrStart = LastEmitted; 14533e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner const char *StrEnd = strchr(StrStart, '}'); 14543e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner if (StrEnd == 0) { 14557d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Unterminated ${:foo} operand in inline asm string: '" 14567d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 14573e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner } 14583e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner 14593e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner std::string Val(StrStart, StrEnd); 14603e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner PrintSpecial(MI, Val.c_str()); 14613e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner LastEmitted = StrEnd+1; 14623e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner break; 14633e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner } 14643e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner 14656609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner const char *IDStart = LastEmitted; 14666609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner char *IDEnd; 1467fad2912522a4c97128d8afcc2f40ca0e39287ddbChris Lattner errno = 0; 14686609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner long Val = strtol(IDStart, &IDEnd, 10); // We only accept numbers for IDs. 14696609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (!isdigit(*IDStart) || (Val == 0 && errno == EINVAL)) { 14707d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Bad $ operand number in inline asm string: '" 14717d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 14726609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14736609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner LastEmitted = IDEnd; 14746609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1475a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner char Modifier[2] = { 0, 0 }; 1476a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner 14776609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (HasCurlyBraces) { 1478a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner // If we have curly braces, check for a modifier character. This 1479a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner // supports syntax like ${0:u}, which correspond to "%u0" in GCC asm. 1480a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner if (*LastEmitted == ':') { 1481a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner ++LastEmitted; // Consume ':' character. 1482a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner if (*LastEmitted == 0) { 14837d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Bad ${:} expression in inline asm string: '" 14847d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 1485a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner } 1486a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner 1487a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner Modifier[0] = *LastEmitted; 1488a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner ++LastEmitted; // Consume modifier character. 1489a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner } 1490a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner 14916609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (*LastEmitted != '}') { 14927d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Bad ${} expression in inline asm string: '" 14937d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 14946609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14956609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume '}' character. 14966609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14976609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 14986609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if ((unsigned)Val >= NumOperands-1) { 14997d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Invalid $ operand number in inline asm string: '" 15007d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 15016609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15026609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1503c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner // Okay, we finally have a value number. Ask the target to print this 15046609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // operand! 1505c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner if (CurVariant == -1 || CurVariant == AsmPrinterVariant) { 1506c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner unsigned OpNo = 1; 1507fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1508fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner bool Error = false; 1509fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1510c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner // Scan to find the machine operand number for the operand. 1511daf6bc6347b4785102611bdf21c512e8a7678cceChris Lattner for (; Val; --Val) { 1512fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner if (OpNo >= MI->getNumOperands()) break; 15139e3304900ff69c4920fea7369c9c36916c4a6a6aChris Lattner unsigned OpFlags = MI->getOperand(OpNo).getImm(); 1514697cbbfb00c318f98d6eb51945f077e2bfe8781eEvan Cheng OpNo += InlineAsm::getNumOperandRegisters(OpFlags) + 1; 1515daf6bc6347b4785102611bdf21c512e8a7678cceChris Lattner } 1516fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1517fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner if (OpNo >= MI->getNumOperands()) { 1518fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner Error = true; 1519dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner } else { 15209e3304900ff69c4920fea7369c9c36916c4a6a6aChris Lattner unsigned OpFlags = MI->getOperand(OpNo).getImm(); 1521fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner ++OpNo; // Skip over the ID number. 1522fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1523eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen if (Modifier[0]=='l') // labels are target independent 15248aa797aa51cd4ea1ec6f46f4891a6897944b75b2Chris Lattner printBasicBlockLabel(MI->getOperand(OpNo).getMBB(), 1525fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng false, false, false); 1526eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen else { 1527eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen AsmPrinter *AP = const_cast<AsmPrinter*>(this); 152886b49f8e2de796cb46c7c8b6a4c4900533fd53f4Dale Johannesen if ((OpFlags & 7) == 4) { 1529eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant, 1530eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Modifier[0] ? Modifier : 0); 1531eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen } else { 1532eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant, 1533eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Modifier[0] ? Modifier : 0); 1534eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen } 1535fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner } 1536dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner } 1537dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner if (Error) { 15387d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin std::string msg; 15397d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin raw_string_ostream Msg(msg); 15407d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin Msg << "Invalid operand found in inline asm: '" 1541e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling << AsmStr << "'\n"; 15427d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin MI->print(Msg); 15437d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error(Msg.str()); 15446609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 1545c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner } 15466609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner break; 15476609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15486609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15496609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 1550e2b060161c92ddf60b5d020f981451e9e34a3f02Chris Lattner O << "\n\t" << TAI->getCommentString() << TAI->getInlineAsmEnd() << '\n'; 15516609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner} 15526609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1553da47e6e0d003c873da960361549e57ee4617c301Evan Cheng/// printImplicitDef - This method prints the specified machine instruction 1554da47e6e0d003c873da960361549e57ee4617c301Evan Cheng/// that is an implicit def. 1555da47e6e0d003c873da960361549e57ee4617c301Evan Chengvoid AsmPrinter::printImplicitDef(const MachineInstr *MI) const { 1556a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 15578f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1558a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman O << TAI->getCommentString() << " implicit-def: " 1559f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng << TRI->getAsmName(MI->getOperand(0).getReg()) << '\n'; 1560a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1561da47e6e0d003c873da960361549e57ee4617c301Evan Cheng} 1562da47e6e0d003c873da960361549e57ee4617c301Evan Cheng 15631ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey/// printLabel - This method prints a local label used by debug and 15641ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey/// exception handling tables. 15651ee29257428960fede862fcfdbe80d5d007927e9Jim Laskeyvoid AsmPrinter::printLabel(const MachineInstr *MI) const { 1566528bc028774513ee76125f85ceb8f704f5901cc8Dan Gohman printLabel(MI->getOperand(0).getImm()); 15671ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey} 15681ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey 15691b08bbca5592351a940bcd164bdec724ee954326Evan Chengvoid AsmPrinter::printLabel(unsigned Id) const { 15704eecdeb3faf5df864790175da5d58301b751ec11Evan Cheng O << TAI->getPrivateGlobalPrefix() << "label" << Id << ":\n"; 15711b08bbca5592351a940bcd164bdec724ee954326Evan Cheng} 15721b08bbca5592351a940bcd164bdec724ee954326Evan Cheng 1573a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng/// printDeclare - This method prints a local variable declaration used by 1574a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng/// debug tables. 15754e3f5a4e9c13f216856515e6f000881f2c850736Evan Cheng/// FIXME: It doesn't really print anything rather it inserts a DebugVariable 15764e3f5a4e9c13f216856515e6f000881f2c850736Evan Cheng/// entry into dwarf table. 1577a844bdeab31ef04221e7ef59a8467893584cc14dEvan Chengvoid AsmPrinter::printDeclare(const MachineInstr *MI) const { 1578c48c550e1322aebfbe35c7570891619db43bdb9bDevang Patel unsigned FI = MI->getOperand(0).getIndex(); 15794e3f5a4e9c13f216856515e6f000881f2c850736Evan Cheng GlobalValue *GV = MI->getOperand(1).getGlobal(); 15801be3eccecbd2fa50ed9008ffee01f6351df5d8f7Devang Patel DW->RecordVariable(cast<GlobalVariable>(GV), FI, MI); 1581a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng} 1582a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng 15836609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM 15846609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner/// instruction, using the specified assembler variant. Targets should 15856609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner/// overried this to format as appropriate. 15866609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattnerbool AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 1587a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner unsigned AsmVariant, const char *ExtraCode) { 15886609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // Target doesn't support this yet! 15896609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner return true; 15900264d1a4777370009176157b76d116b3195e3767Chris Lattner} 1591dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner 1592dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattnerbool AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, 1593dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner unsigned AsmVariant, 1594dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner const char *ExtraCode) { 1595dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner // Target doesn't support this yet! 1596dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner return true; 1597dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner} 159837efe6764568a3829fee26aba532283131d1a104Nate Begeman 159937efe6764568a3829fee26aba532283131d1a104Nate Begeman/// printBasicBlockLabel - This method prints the label for the specified 160037efe6764568a3829fee26aba532283131d1a104Nate Begeman/// MachineBasicBlock 1601cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begemanvoid AsmPrinter::printBasicBlockLabel(const MachineBasicBlock *MBB, 1602fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng bool printAlign, 1603cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begeman bool printColon, 1604cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begeman bool printComment) const { 1605fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng if (printAlign) { 1606fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng unsigned Align = MBB->getAlignment(); 1607fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng if (Align) 1608fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng EmitAlignment(Log2_32(Align)); 1609fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng } 1610fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng 1611d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << TAI->getPrivateGlobalPrefix() << "BB" << getFunctionNumber() << '_' 1612347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << MBB->getNumber(); 1613cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begeman if (printColon) 1614cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begeman O << ':'; 1615b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (printComment) { 1616e45da0dce0af2d6254c7db63a2fe0c3501dd3a5aDan Gohman if (const BasicBlock *BB = MBB->getBasicBlock()) 1617e45da0dce0af2d6254c7db63a2fe0c3501dd3a5aDan Gohman if (BB->hasName()) { 16188f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 161946d505647d255410b220d7f8134053390794683eDan Gohman O << TAI->getCommentString() << ' '; 162046d505647d255410b220d7f8134053390794683eDan Gohman WriteAsOperand(O, BB, /*PrintType=*/false); 1621e45da0dce0af2d6254c7db63a2fe0c3501dd3a5aDan Gohman } 1622b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1623b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (printColon) 1624b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene EmitComments(*MBB); 1625b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 162637efe6764568a3829fee26aba532283131d1a104Nate Begeman} 162752a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 1628cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng/// printPICJumpTableSetLabel - This method prints a set label for the 1629cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng/// specified MachineBasicBlock for a jumptable entry. 1630cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Chengvoid AsmPrinter::printPICJumpTableSetLabel(unsigned uid, 1631cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng const MachineBasicBlock *MBB) const { 1632563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey if (!TAI->getSetDirective()) 163352a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman return; 163452a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 1635563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix() 1636347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ','; 1637fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng printBasicBlockLabel(MBB, false, false, false); 1638347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 1639347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << '_' << uid << '\n'; 164052a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman} 1641d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1642cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Chengvoid AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2, 1643cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng const MachineBasicBlock *MBB) const { 164441349c10cbb166c58a20896e4761455f001c611eEvan Cheng if (!TAI->getSetDirective()) 164541349c10cbb166c58a20896e4761455f001c611eEvan Cheng return; 164641349c10cbb166c58a20896e4761455f001c611eEvan Cheng 164741349c10cbb166c58a20896e4761455f001c611eEvan Cheng O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix() 1648347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << getFunctionNumber() << '_' << uid << '_' << uid2 1649347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << "_set_" << MBB->getNumber() << ','; 1650fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng printBasicBlockLabel(MBB, false, false, false); 1651347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 1652347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << '_' << uid << '_' << uid2 << '\n'; 165341349c10cbb166c58a20896e4761455f001c611eEvan Cheng} 165441349c10cbb166c58a20896e4761455f001c611eEvan Cheng 1655d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng/// printDataDirective - This method prints the asm directive for the 1656d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng/// specified type. 1657c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::printDataDirective(const Type *type, unsigned AddrSpace) { 1658d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng const TargetData *TD = TM.getTargetData(); 1659d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng switch (type->getTypeID()) { 1660f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner case Type::FloatTyID: case Type::DoubleTyID: 1661f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner case Type::X86_FP80TyID: case Type::FP128TyID: case Type::PPC_FP128TyID: 1662f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner assert(0 && "Should have already output floating point constant."); 1663f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner default: 1664f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner assert(0 && "Can't handle printing this type of thing"); 1665a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer case Type::IntegerTyID: { 1666a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer unsigned BitWidth = cast<IntegerType>(type)->getBitWidth(); 1667a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer if (BitWidth <= 8) 1668c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData8bitsDirective(AddrSpace); 1669a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer else if (BitWidth <= 16) 1670c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData16bitsDirective(AddrSpace); 1671a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer else if (BitWidth <= 32) 1672c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData32bitsDirective(AddrSpace); 1673a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer else if (BitWidth <= 64) { 1674c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta assert(TAI->getData64bitsDirective(AddrSpace) && 1675a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer "Target cannot handle 64-bit constant exprs!"); 1676c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData64bitsDirective(AddrSpace); 167782f94f1ad98fdcc90e44053437fa555d339a4449Dan Gohman } else { 1678c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Target cannot handle given data directive width!"); 1679a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer } 1680d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng break; 1681a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer } 1682d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng case Type::PointerTyID: 1683d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng if (TD->getPointerSize() == 8) { 1684c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta assert(TAI->getData64bitsDirective(AddrSpace) && 1685d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng "Target cannot handle 64-bit pointer exprs!"); 1686c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData64bitsDirective(AddrSpace); 1687fcc6f1556efb386af47293d9f8599bab2b34321cSanjiv Gupta } else if (TD->getPointerSize() == 2) { 1688c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData16bitsDirective(AddrSpace); 1689fcc6f1556efb386af47293d9f8599bab2b34321cSanjiv Gupta } else if (TD->getPointerSize() == 1) { 1690c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData8bitsDirective(AddrSpace); 1691a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer } else { 1692c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta O << TAI->getData32bitsDirective(AddrSpace); 1693d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1694d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng break; 1695d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1696d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng} 16974c3a5f8ccba6680b948a1a234f123b4505e43529Dale Johannesen 1698f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikovvoid AsmPrinter::printVisibility(const std::string& Name, 1699f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov unsigned Visibility) const { 1700f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov if (Visibility == GlobalValue::HiddenVisibility) { 1701f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov if (const char *Directive = TAI->getHiddenDirective()) 1702f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov O << Directive << Name << '\n'; 1703f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov } else if (Visibility == GlobalValue::ProtectedVisibility) { 1704f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov if (const char *Directive = TAI->getProtectedDirective()) 1705f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov O << Directive << Name << '\n'; 1706f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov } 1707f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov} 1708c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 17097751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikovvoid AsmPrinter::printOffset(int64_t Offset) const { 17107751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov if (Offset > 0) 17117751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov O << '+' << Offset; 17127751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov else if (Offset < 0) 17137751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov O << Offset; 17147751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov} 17157751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov 1716575327b77e9092074e5d18bfebfb78ce550aa2a3Daniel Dunbarvoid AsmPrinter::printMCInst(const MCInst *MI) { 1717575327b77e9092074e5d18bfebfb78ce550aa2a3Daniel Dunbar llvm_unreachable("MCInst printing unavailable on this target!"); 1718575327b77e9092074e5d18bfebfb78ce550aa2a3Daniel Dunbar} 1719575327b77e9092074e5d18bfebfb78ce550aa2a3Daniel Dunbar 17205eca075b74d62c621b160aa216b4cd50829a2cc7Gordon HenriksenGCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy *S) { 17215eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen if (!S->usesMetadata()) 1722c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen return 0; 1723c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 17245eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen gcp_iterator GCPI = GCMetadataPrinters.find(S); 1725c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen if (GCPI != GCMetadataPrinters.end()) 1726c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen return GCPI->second; 1727c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 17285eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen const char *Name = S->getName().c_str(); 1729c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 1730c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen for (GCMetadataPrinterRegistry::iterator 1731c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen I = GCMetadataPrinterRegistry::begin(), 1732c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen E = GCMetadataPrinterRegistry::end(); I != E; ++I) 1733c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen if (strcmp(Name, I->getName()) == 0) { 17345eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen GCMetadataPrinter *GMP = I->instantiate(); 17355eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen GMP->S = S; 17365eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen GCMetadataPrinters.insert(std::make_pair(S, GMP)); 17375eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen return GMP; 1738c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen } 1739c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 17405eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen cerr << "no GCMetadataPrinter registered for GC: " << Name << "\n"; 1741c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable(0); 1742c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen} 1743014700c1a8cba203fd21ff129426ba8a426ab244David Greene 1744014700c1a8cba203fd21ff129426ba8a426ab244David Greene/// EmitComments - Pretty-print comments for instructions 17455f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattnervoid AsmPrinter::EmitComments(const MachineInstr &MI) const { 17465f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner if (!VerboseAsm || 17475f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner MI.getDebugLoc().isUnknown()) 17485f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner return; 17495f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner 17505f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc()); 17515f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner 17528f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner // Print source line info. 17538f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 17545f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner O << TAI->getCommentString() << " SrcLine "; 17555f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner if (DLT.CompileUnit->hasInitializer()) { 17565f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner Constant *Name = DLT.CompileUnit->getInitializer(); 17575f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner if (ConstantArray *NameString = dyn_cast<ConstantArray>(Name)) 17585f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner if (NameString->isString()) 17595f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner O << NameString->getAsString() << " "; 17603ac1ab835caacdeebbd0d7b4d69160f283928d21David Greene } 17615f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner O << DLT.Line; 17625f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner if (DLT.Col != 0) 17635f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner O << ":" << DLT.Col; 1764014700c1a8cba203fd21ff129426ba8a426ab244David Greene} 1765014700c1a8cba203fd21ff129426ba8a426ab244David Greene 1766014700c1a8cba203fd21ff129426ba8a426ab244David Greene/// EmitComments - Pretty-print comments for instructions 1767014700c1a8cba203fd21ff129426ba8a426ab244David Greenevoid AsmPrinter::EmitComments(const MCInst &MI) const 1768014700c1a8cba203fd21ff129426ba8a426ab244David Greene{ 176967e59834fc1dca7e357c40af2e5144f3d62f5133David Greene if (VerboseAsm) { 177067e59834fc1dca7e357c40af2e5144f3d62f5133David Greene if (!MI.getDebugLoc().isUnknown()) { 177167e59834fc1dca7e357c40af2e5144f3d62f5133David Greene DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc()); 177267e59834fc1dca7e357c40af2e5144f3d62f5133David Greene 177367e59834fc1dca7e357c40af2e5144f3d62f5133David Greene // Print source line info 17748f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 177567e59834fc1dca7e357c40af2e5144f3d62f5133David Greene O << TAI->getCommentString() << " SrcLine "; 177667e59834fc1dca7e357c40af2e5144f3d62f5133David Greene if (DLT.CompileUnit->hasInitializer()) { 177767e59834fc1dca7e357c40af2e5144f3d62f5133David Greene Constant *Name = DLT.CompileUnit->getInitializer(); 177867e59834fc1dca7e357c40af2e5144f3d62f5133David Greene if (ConstantArray *NameString = dyn_cast<ConstantArray>(Name)) 177967e59834fc1dca7e357c40af2e5144f3d62f5133David Greene if (NameString->isString()) { 178067e59834fc1dca7e357c40af2e5144f3d62f5133David Greene O << NameString->getAsString() << " "; 178167e59834fc1dca7e357c40af2e5144f3d62f5133David Greene } 178267e59834fc1dca7e357c40af2e5144f3d62f5133David Greene } 178367e59834fc1dca7e357c40af2e5144f3d62f5133David Greene O << DLT.Line; 178467e59834fc1dca7e357c40af2e5144f3d62f5133David Greene if (DLT.Col != 0) 178567e59834fc1dca7e357c40af2e5144f3d62f5133David Greene O << ":" << DLT.Col; 178667e59834fc1dca7e357c40af2e5144f3d62f5133David Greene } 17873ac1ab835caacdeebbd0d7b4d69160f283928d21David Greene } 1788014700c1a8cba203fd21ff129426ba8a426ab244David Greene} 1789b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1790fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// Indent - Insert spaces into the character output stream. The 1791fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// "level" is multiplied by the "scale" to calculate the number of 1792fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// spaces to insert. "level" can represent something like loop 1793fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// nesting level, for example. 1794fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// 1795fe37ab335be5632eab561d49984c95cb06b946d4David Greenestatic formatted_raw_ostream & 1796fe37ab335be5632eab561d49984c95cb06b946d4David GreeneIndent(formatted_raw_ostream &out, int level, int scale = 2) { 1797fe37ab335be5632eab561d49984c95cb06b946d4David Greene for(int i = 0; i < level*scale; ++i) { 1798fe37ab335be5632eab561d49984c95cb06b946d4David Greene out << " "; 1799fe37ab335be5632eab561d49984c95cb06b946d4David Greene } 1800fe37ab335be5632eab561d49984c95cb06b946d4David Greene return out; 1801fe37ab335be5632eab561d49984c95cb06b946d4David Greene} 1802fe37ab335be5632eab561d49984c95cb06b946d4David Greene 1803fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// PrintChildLoopComment - Print comments about child loops within 1804fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// the loop for this basic block, with nesting. 1805fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// 1806fe37ab335be5632eab561d49984c95cb06b946d4David Greenestatic void PrintChildLoopComment(formatted_raw_ostream &O, 1807fe37ab335be5632eab561d49984c95cb06b946d4David Greene const MachineLoop *loop, 1808fe37ab335be5632eab561d49984c95cb06b946d4David Greene const TargetAsmInfo *TAI, 1809fe37ab335be5632eab561d49984c95cb06b946d4David Greene int FunctionNumber) { 1810fe37ab335be5632eab561d49984c95cb06b946d4David Greene // Add child loop information 1811fe37ab335be5632eab561d49984c95cb06b946d4David Greene for(MachineLoop::iterator cl = loop->begin(), 1812fe37ab335be5632eab561d49984c95cb06b946d4David Greene clend = loop->end(); 1813fe37ab335be5632eab561d49984c95cb06b946d4David Greene cl != clend; 1814fe37ab335be5632eab561d49984c95cb06b946d4David Greene ++cl) { 1815fe37ab335be5632eab561d49984c95cb06b946d4David Greene MachineBasicBlock *Header = (*cl)->getHeader(); 1816fe37ab335be5632eab561d49984c95cb06b946d4David Greene assert(Header && "No header for loop"); 1817fe37ab335be5632eab561d49984c95cb06b946d4David Greene 1818fe37ab335be5632eab561d49984c95cb06b946d4David Greene O << '\n'; 1819fe37ab335be5632eab561d49984c95cb06b946d4David Greene O.PadToColumn(TAI->getCommentColumn()); 1820fe37ab335be5632eab561d49984c95cb06b946d4David Greene 1821fe37ab335be5632eab561d49984c95cb06b946d4David Greene O << TAI->getCommentString(); 1822fe37ab335be5632eab561d49984c95cb06b946d4David Greene Indent(O, (*cl)->getLoopDepth()-1) 1823fe37ab335be5632eab561d49984c95cb06b946d4David Greene << " Child Loop BB" << FunctionNumber << "_" 1824fe37ab335be5632eab561d49984c95cb06b946d4David Greene << Header->getNumber() << " Depth " << (*cl)->getLoopDepth(); 1825fe37ab335be5632eab561d49984c95cb06b946d4David Greene 1826fe37ab335be5632eab561d49984c95cb06b946d4David Greene PrintChildLoopComment(O, *cl, TAI, FunctionNumber); 1827fe37ab335be5632eab561d49984c95cb06b946d4David Greene } 1828fe37ab335be5632eab561d49984c95cb06b946d4David Greene} 1829fe37ab335be5632eab561d49984c95cb06b946d4David Greene 1830b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene/// EmitComments - Pretty-print comments for basic blocks 1831b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greenevoid AsmPrinter::EmitComments(const MachineBasicBlock &MBB) const 1832b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene{ 1833fe37ab335be5632eab561d49984c95cb06b946d4David Greene if (VerboseAsm) { 1834b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene // Add loop depth information 1835b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene const MachineLoop *loop = LI->getLoopFor(&MBB); 1836b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1837b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (loop) { 1838b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene // Print a newline after bb# annotation. 1839b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << "\n"; 18408f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1841b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << TAI->getCommentString() << " Loop Depth " << loop->getLoopDepth() 1842b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene << '\n'; 1843b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 18448f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1845b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1846b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene MachineBasicBlock *Header = loop->getHeader(); 1847b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene assert(Header && "No header for loop"); 1848b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1849b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (Header == &MBB) { 1850b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << TAI->getCommentString() << " Loop Header"; 1851fe37ab335be5632eab561d49984c95cb06b946d4David Greene PrintChildLoopComment(O, loop, TAI, getFunctionNumber()); 1852b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1853b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene else { 1854b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << TAI->getCommentString() << " Loop Header is BB" 1855b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene << getFunctionNumber() << "_" << loop->getHeader()->getNumber(); 1856b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1857b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1858b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (loop->empty()) { 1859b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << '\n'; 18608f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1861b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << TAI->getCommentString() << " Inner Loop"; 1862b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1863b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1864b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene // Add parent loop information 1865b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene for (const MachineLoop *CurLoop = loop->getParentLoop(); 1866b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene CurLoop; 1867b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene CurLoop = CurLoop->getParentLoop()) { 1868b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene MachineBasicBlock *Header = CurLoop->getHeader(); 1869b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene assert(Header && "No header for loop"); 1870b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1871b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << '\n'; 18728f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner O.PadToColumn(TAI->getCommentColumn()); 1873fe37ab335be5632eab561d49984c95cb06b946d4David Greene O << TAI->getCommentString(); 1874fe37ab335be5632eab561d49984c95cb06b946d4David Greene Indent(O, CurLoop->getLoopDepth()-1) 1875fe37ab335be5632eab561d49984c95cb06b946d4David Greene << " Inside Loop BB" << getFunctionNumber() << "_" 1876b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene << Header->getNumber() << " Depth " << CurLoop->getLoopDepth(); 1877b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1878b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1879b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1880b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene} 1881