AsmPrinter.cpp revision b55e068e53fccc609b7d9cd198ed9818c188a196
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" 317cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner#include "llvm/MC/MCSymbol.h" 3242bf74be1402df7409efbea089310d4c276fde37Evan Cheng#include "llvm/Support/CommandLine.h" 337d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin#include "llvm/Support/ErrorHandling.h" 34014700c1a8cba203fd21ff129426ba8a426ab244David Greene#include "llvm/Support/FormattedStream.h" 35a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner#include "llvm/Support/Mangler.h" 36af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner#include "llvm/MC/MCAsmInfo.h" 3707000c6f01d8f57170f2d4c77a86d934bdc5c696Owen Anderson#include "llvm/Target/TargetData.h" 380336fdba858830d515bf53ac29b8e5ff24dfa823Chris Lattner#include "llvm/Target/TargetLowering.h" 39f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner#include "llvm/Target/TargetLoweringObjectFile.h" 406547e406cf934346db7a206b61bcf09635afff0dEvan Cheng#include "llvm/Target/TargetOptions.h" 41da47e6e0d003c873da960361549e57ee4617c301Evan Cheng#include "llvm/Target/TargetRegisterInfo.h" 42cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng#include "llvm/ADT/SmallPtrSet.h" 43fad86b003a839cef40ec8ce8408322f4913368caChris Lattner#include "llvm/ADT/SmallString.h" 44cb3718832375a581c5ea23f15918f3ea447a446cOwen Anderson#include "llvm/ADT/StringExtras.h" 456609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner#include <cerrno> 46a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattnerusing namespace llvm; 47a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 4842bf74be1402df7409efbea089310d4c276fde37Evan Chengstatic cl::opt<cl::boolOrDefault> 4942bf74be1402df7409efbea089310d4c276fde37Evan ChengAsmVerbose("asm-verbose", cl::desc("Add comments to directives."), 5042bf74be1402df7409efbea089310d4c276fde37Evan Cheng cl::init(cl::BOU_UNSET)); 5142bf74be1402df7409efbea089310d4c276fde37Evan Cheng 521997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar AsmPrinter::ID = 0; 5371847813bc419f7a0667468136a07429c6d9f164David GreeneAsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm, 54af76e592c7f9deff0e55c13dbb4a34f07f1c7f64Chris Lattner const MCAsmInfo *T, bool VDef) 555bcc8bd0c60cfe583ee47852950aad9e532c932eDaniel Dunbar : MachineFunctionPass(&ID), FunctionNumber(0), O(o), 5633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner TM(tm), MAI(T), TRI(tm.getRegisterInfo()), 572b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 582b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner OutContext(*new MCContext()), 5990edac0e8b35f766599362b6301863229f0ddcdbChris Lattner // FIXME: Pass instprinter to streamer. 6090edac0e8b35f766599362b6301863229f0ddcdbChris Lattner OutStreamer(*createAsmStreamer(OutContext, O, *T, 0)), 612b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 62290c2f56ce551ebcf4480ac2944986fe4bb339e9Chris Lattner LastMI(0), LastFn(0), Counter(~0U), 63a8dbf36f3f88917b101d7ab9d253ba2fe6e396b4Owen Anderson PrevDLT(0, ~0U, ~0U) { 640de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner DW = 0; MMI = 0; 6542bf74be1402df7409efbea089310d4c276fde37Evan Cheng switch (AsmVerbose) { 6642bf74be1402df7409efbea089310d4c276fde37Evan Cheng case cl::BOU_UNSET: VerboseAsm = VDef; break; 6742bf74be1402df7409efbea089310d4c276fde37Evan Cheng case cl::BOU_TRUE: VerboseAsm = true; break; 6842bf74be1402df7409efbea089310d4c276fde37Evan Cheng case cl::BOU_FALSE: VerboseAsm = false; break; 6942bf74be1402df7409efbea089310d4c276fde37Evan Cheng } 7042bf74be1402df7409efbea089310d4c276fde37Evan Cheng} 71ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 72c317a60c2714a5b90700a11ba646285cb754a5d3Gordon HenriksenAsmPrinter::~AsmPrinter() { 73c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen for (gcp_iterator I = GCMetadataPrinters.begin(), 74c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen E = GCMetadataPrinters.end(); I != E; ++I) 75c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen delete I->second; 762b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 772b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner delete &OutStreamer; 782b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner delete &OutContext; 79c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen} 80ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 8138c398808cff7defdf013fa750dfac8e66302975Chris LattnerTargetLoweringObjectFile &AsmPrinter::getObjFileLowering() const { 82f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner return TM.getTargetLowering()->getObjFileLowering(); 83f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner} 84f0144127b98425d214e59e4a1a4b342b78e3642bChris Lattner 85dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner/// getCurrentSection() - Return the current section we are emitting to. 86dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattnerconst MCSection *AsmPrinter::getCurrentSection() const { 87dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner return OutStreamer.getCurrentSection(); 88b5a32e2e8ce2f3de3a340c5a2dfcd3a159968466Anton Korobeynikov} 894632d7a57008564c4b0f8246e85bd813a200d2c6Chris Lattner 90dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner 91ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksenvoid AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const { 92845012e6d31799c7fbd1193fa1af8ee2d12e9231Dan Gohman AU.setPreservesAll(); 93ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen MachineFunctionPass::getAnalysisUsage(AU); 945eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen AU.addRequired<GCModuleInfo>(); 95fe37ab335be5632eab561d49984c95cb06b946d4David Greene if (VerboseAsm) 96b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene AU.addRequired<MachineLoopInfo>(); 97ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen} 98ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen 99a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattnerbool AsmPrinter::doInitialization(Module &M) { 100f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner // Initialize TargetLoweringObjectFile. 101f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner const_cast<TargetLoweringObjectFile&>(getObjFileLowering()) 102f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner .Initialize(OutContext, TM); 103f26e03bc7e30162197641406e37e662a15d80f7eChris Lattner 10433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner Mang = new Mangler(M, MAI->getGlobalPrefix(), MAI->getPrivateGlobalPrefix(), 10533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner MAI->getLinkerPrivateGlobalPrefix()); 1062c1b1597f244c836771b4f2668c0ae399d32a5e9Chris Lattner 10733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->doesAllowQuotesInName()) 108a93ca92379129e87e0130609ac78422fcf6dd21eChris Lattner Mang->setUseQuotes(true); 109c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov 110c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov if (MAI->doesAllowNameToStartWithDigit()) 111c6f729ed5519cdf398ca4039dbdbea4f81433ec0Anton Korobeynikov Mang->setSymbolsCanStartWithDigit(true); 112a93ca92379129e87e0130609ac78422fcf6dd21eChris Lattner 1131465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>(); 1145eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen assert(MI && "AsmPrinter didn't require GCModuleInfo?"); 115952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola 11633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->hasSingleParameterDotFile()) { 117952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola /* Very minimal debug info. It is ignored if we emit actual 118952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola debug info. If we don't, this at helps the user find where 119952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola a function came from. */ 120952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola O << "\t.file\t\"" << M.getModuleIdentifier() << "\"\n"; 121952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola } 122952b839ce9bc0c6d605d8b202c9cd76f7f05a77dRafael Espindola 1235eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen for (GCModuleInfo::iterator I = MI->begin(), E = MI->end(); I != E; ++I) 1245eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*I)) 12533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner MP->beginAssembly(O, *this, *MAI); 126ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen 1273e2fa7a746270452316523f27b9055b007feba32Chris Lattner if (!M.getModuleInlineAsm().empty()) 12833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " Start of file scope inline assembly\n" 1293e2fa7a746270452316523f27b9055b007feba32Chris Lattner << M.getModuleInlineAsm() 13033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner << '\n' << MAI->getCommentString() 131563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey << " End of file scope inline assembly\n"; 1322c1b1597f244c836771b4f2668c0ae399d32a5e9Chris Lattner 133b55e068e53fccc609b7d9cd198ed9818c188a196Chris Lattner MMI = getAnalysisIfAvailable<MachineModuleInfo>(); 134b55e068e53fccc609b7d9cd198ed9818c188a196Chris Lattner if (MMI) 135b55e068e53fccc609b7d9cd198ed9818c188a196Chris Lattner MMI->AnalyzeModule(M); 136b55e068e53fccc609b7d9cd198ed9818c188a196Chris Lattner DW = getAnalysisIfAvailable<DwarfWriter>(); 137b55e068e53fccc609b7d9cd198ed9818c188a196Chris Lattner if (DW) 138b55e068e53fccc609b7d9cd198ed9818c188a196Chris Lattner DW->BeginModule(&M, MMI, O, this, MAI); 13914a55d952cf238fff42da53a75f39cf06dab184bDevang Patel 140a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner return false; 141a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 142a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 143a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattnerbool AsmPrinter::doFinalization(Module &M) { 14440bbebde9d250b875a47a688d0c6552834ada48fChris Lattner // Emit global variables. 14540bbebde9d250b875a47a688d0c6552834ada48fChris Lattner for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); 14640bbebde9d250b875a47a688d0c6552834ada48fChris Lattner I != E; ++I) 14740bbebde9d250b875a47a688d0c6552834ada48fChris Lattner PrintGlobalVariable(I); 14840bbebde9d250b875a47a688d0c6552834ada48fChris Lattner 1491f522feabf25134249bc7894e04f5b89fa071b7fChris Lattner // Emit final debug information. 15033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling()) 1511f522feabf25134249bc7894e04f5b89fa071b7fChris Lattner DW->EndModule(); 1521f522feabf25134249bc7894e04f5b89fa071b7fChris Lattner 1530a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // If the target wants to know about weak references, print them all. 15433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getWeakRefDirective()) { 1550a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // FIXME: This is not lazy, it would be nice to only print weak references 1560a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // to stuff that is actually used. Note that doing so would require targets 1570a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // to notice uses in operands (due to constant exprs etc). This should 1580a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // happen with the MC stuff eventually. 1590a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner 1600a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner // Print out module-level global variables here. 1610a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); 1620a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner I != E; ++I) { 1630a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner if (I->hasExternalWeakLinkage()) 16433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n'; 1650a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner } 1660a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner 167c6fdced3dbfdf673cc9b01dfad4f08e316d8803dChris Lattner for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) { 1680a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner if (I->hasExternalWeakLinkage()) 16933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getWeakRefDirective() << Mang->getMangledName(I) << '\n'; 1700a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner } 17115404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola } 17215404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola 17333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getSetDirective()) { 174d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 1758b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end(); 1760a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner I != E; ++I) { 177b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner std::string Name = Mang->getMangledName(I); 178325be7c608a37d87e4f3d731e11fa3dd34f529b5Anton Korobeynikov 179325be7c608a37d87e4f3d731e11fa3dd34f529b5Anton Korobeynikov const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal()); 180b8158acc23f5f0bf235fb1c6a8182a38ec9b00b2Chris Lattner std::string Target = Mang->getMangledName(GV); 181541af7f769c89de8a7f52d563cf317ad7a86c245Anton Korobeynikov 18233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (I->hasExternalLinkage() || !MAI->getWeakRefDirective()) 183d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << "\t.globl\t" << Name << '\n'; 1848b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov else if (I->hasWeakLinkage()) 18533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getWeakRefDirective() << Name << '\n'; 186bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola else if (!I->hasLocalLinkage()) 187c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Invalid alias linkage"); 18822c9e65643e0c6b43be37a19e59491ef0081092cAnton Korobeynikov 189541af7f769c89de8a7f52d563cf317ad7a86c245Anton Korobeynikov printVisibility(Name, I->getVisibility()); 19022c9e65643e0c6b43be37a19e59491ef0081092cAnton Korobeynikov 19133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getSetDirective() << ' ' << Name << ", " << Target << '\n'; 1928b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov } 1938b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov } 1948b0a8c84da2030ee8f4440d5b60a8033de691222Anton Korobeynikov 1951465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>(); 1965eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen assert(MI && "AsmPrinter didn't require GCModuleInfo?"); 1975eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen for (GCModuleInfo::iterator I = MI->end(), E = MI->begin(); I != E; ) 1985eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*--I)) 19933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner MP->finishAssembly(O, *this, *MAI); 200ce2247755e56f99a2377b64a1a9d393726582b85Gordon Henriksen 201a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman // If we don't have any trampolines, then we don't require stack memory 202a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman // to be executable. Some targets have a directive to declare this. 2030a7befa8bd56621f51eaf9196417b866962bf7b1Chris Lattner Function *InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline"); 204a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty()) 20533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getNonexecutableStackDirective()) 20633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getNonexecutableStackDirective() << '\n'; 207a779a9899a5e23bd5198973f4709d66cb4bc2e64Dan Gohman 208bd23d5fda85e38c88dfa668a99777cd05c524822Chris Lattner 209bd23d5fda85e38c88dfa668a99777cd05c524822Chris Lattner // Allow the target to emit any magic that it wants at the end of the file, 210bd23d5fda85e38c88dfa668a99777cd05c524822Chris Lattner // after everything else has gone out. 211bd23d5fda85e38c88dfa668a99777cd05c524822Chris Lattner EmitEndOfAsmFile(M); 212bd23d5fda85e38c88dfa668a99777cd05c524822Chris Lattner 213a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner delete Mang; Mang = 0; 2140de1fc4f416b3e94749ca84cdaede55b040a8b60Chris Lattner DW = 0; MMI = 0; 2152b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner 2162b2954f00ba02ca1a902f47080cd9f06aebc0378Chris Lattner OutStreamer.Finish(); 217a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner return false; 218a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 219a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 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 22525d812bd7d1f58f2ba1b598b1425a2e146e27381Chris Lattner if (VerboseAsm) 226b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene LI = &getAnalysis<MachineLoopInfo>(); 227a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 228a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 2291606e8e4cd937e6de6681f686c266cf61722d972Evan Chengnamespace { 2301606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // SectionCPs - Keep track the alignment, constpool entries per Section. 2311606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng struct SectionCPs { 232a87dea4f8c546ca748f1777a8d1cabcc06515d91Chris Lattner const MCSection *S; 2331606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned Alignment; 2341606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng SmallVector<unsigned, 4> CPEs; 235a87dea4f8c546ca748f1777a8d1cabcc06515d91Chris Lattner SectionCPs(const MCSection *s, unsigned a) : S(s), Alignment(a) {}; 2361606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng }; 2371606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng} 2381606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 2393b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// EmitConstantPool - Print to the current output stream assembly 2403b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// representations of the constants in the constant pool MCP. This is 2413b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// used to print out constants which have been "spilled to memory" by 2423b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// the code generator. 2433b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner/// 2443b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattnervoid AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) { 245fa77d43ba1d91ed39f46e11caeb28dcabae9e193Chris Lattner const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants(); 2463b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner if (CP.empty()) return; 2472d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 248088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov // Calculate sections for constant pool entries. We collect entries to go into 249088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov // the same section together to reduce amount of section switch statements. 2501606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng SmallVector<SectionCPs, 4> CPSections; 2512d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng for (unsigned i = 0, e = CP.size(); i != e; ++i) { 252298414ec1891ce8d3a1b69e6019ad8765c8e69dcChris Lattner const MachineConstantPoolEntry &CPE = CP[i]; 2531606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned Align = CPE.getAlignment(); 2545c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner 2555c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner SectionKind Kind; 2565c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner switch (CPE.getRelocationInfo()) { 2575c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner default: llvm_unreachable("Unknown section kind"); 2582798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 2: Kind = SectionKind::getReadOnlyWithRel(); break; 2594c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner case 1: 2602798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner Kind = SectionKind::getReadOnlyWithRelLocal(); 2614c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner break; 2625c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner case 0: 2634c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) { 2642798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 4: Kind = SectionKind::getMergeableConst4(); break; 2652798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 8: Kind = SectionKind::getMergeableConst8(); break; 2662798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner case 16: Kind = SectionKind::getMergeableConst16();break; 2672798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner default: Kind = SectionKind::getMergeableConst(); break; 2684c50922f6be96fdb1e9a924aeeecf91638e2c52bChris Lattner } 2695c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner } 2705c2f789952ff315021afb10381f141f2ac3b1a6bChris Lattner 27183d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner const MCSection *S = getObjFileLowering().getSectionForConstant(Kind); 272298414ec1891ce8d3a1b69e6019ad8765c8e69dcChris Lattner 2731606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // The number of sections are small, just do a linear search from the 2741606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // last section to the first. 2751606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng bool Found = false; 2761606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned SecIdx = CPSections.size(); 2771606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng while (SecIdx != 0) { 2781606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (CPSections[--SecIdx].S == S) { 2791606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng Found = true; 2801606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng break; 2811606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 2821606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 2831606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (!Found) { 2841606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng SecIdx = CPSections.size(); 2851606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng CPSections.push_back(SectionCPs(S, Align)); 2861606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 2871606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 2881606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (Align > CPSections[SecIdx].Alignment) 2891606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng CPSections[SecIdx].Alignment = Align; 2901606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng CPSections[SecIdx].CPEs.push_back(i); 2912d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng } 2922d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 293088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov // Now print stuff into the calculated sections. 2941606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng for (unsigned i = 0, e = CPSections.size(); i != e; ++i) { 2956c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(CPSections[i].S); 2961606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitAlignment(Log2_32(CPSections[i].Alignment)); 2972d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 2981606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned Offset = 0; 2991606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng for (unsigned j = 0, ee = CPSections[i].CPEs.size(); j != ee; ++j) { 3001606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned CPI = CPSections[i].CPEs[j]; 3011606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng MachineConstantPoolEntry CPE = CP[CPI]; 3021606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 3031606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng // Emit inter-object padding for alignment. 3041606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned AlignMask = CPE.getAlignment() - 1; 3051606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng unsigned NewOffset = (Offset + AlignMask) & ~AlignMask; 3061606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitZeros(NewOffset - Offset); 3071606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng 3081606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng const Type *Ty = CPE.getType(); 309777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands Offset = NewOffset + TM.getTargetData()->getTypeAllocSize(Ty); 3102d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng 31133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_' 312a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman << CPI << ':'; 3131606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (VerboseAsm) { 31433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 31533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " constant "; 316cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman WriteTypeSymbolic(O, CPE.getType(), MF->getFunction()->getParent()); 3171606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng } 318088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov O << '\n'; 3191606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng if (CPE.isMachineConstantPoolEntry()) 3201606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitMachineConstantPoolValue(CPE.Val.MachineCPVal); 321088ae8393f124564ca9ab70654645aa656e5646fAnton Korobeynikov else 3221606e8e4cd937e6de6681f686c266cf61722d972Evan Cheng EmitGlobalConstant(CPE.Val.ConstVal); 3233029f920519e0871a5aad5d7c592281093953733Chris Lattner } 3243b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner } 3253b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner} 3263b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner 32737efe6764568a3829fee26aba532283131d1a104Nate Begeman/// EmitJumpTableInfo - Print assembly representations of the jump tables used 32837efe6764568a3829fee26aba532283131d1a104Nate Begeman/// by the current function to the current output stream. 32937efe6764568a3829fee26aba532283131d1a104Nate Begeman/// 3301da31ee472b9615d7329c656e2cc17c419ed7c95Chris Lattnervoid AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI, 3311da31ee472b9615d7329c656e2cc17c419ed7c95Chris Lattner MachineFunction &MF) { 33237efe6764568a3829fee26aba532283131d1a104Nate Begeman const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 33337efe6764568a3829fee26aba532283131d1a104Nate Begeman if (JT.empty()) return; 3349de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 335acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey bool IsPic = TM.getRelocationModel() == Reloc::PIC_; 3364d9bbdc4408cc871d229677313cc4887862719d7Nate Begeman 3372f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman // Pick the directive to use to print the jump table entries, and switch to 3382f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman // the appropriate section. 339acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey TargetLowering *LoweringInfo = TM.getTargetLowering(); 34024287ddb81aca5d2579dc30ebd3528d2521529d7Anton Korobeynikov 341e87f52d722d4184becb2ecaf4500dd01d176bfc2Anton Korobeynikov const Function *F = MF.getFunction(); 342b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng bool JTInDiffSection = false; 34383d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner if (F->isWeakForLinker() || 34483d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner (IsPic && !LoweringInfo->usesGlobalOffsetTable())) { 345acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey // In PIC mode, we need to emit the jump table to the same section as the 346acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey // function body itself, otherwise the label differences won't make sense. 347e87f52d722d4184becb2ecaf4500dd01d176bfc2Anton Korobeynikov // We should also do if the section name is NULL or function is declared in 348e87f52d722d4184becb2ecaf4500dd01d176bfc2Anton Korobeynikov // discardable section. 3496c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, 3506c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner TM)); 3512f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman } else { 35283d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner // Otherwise, drop it in the readonly section. 35383d77faf6e8fc2c1c2377d037283dc162d8667a1Chris Lattner const MCSection *ReadOnlySection = 3542798119ab4d7e0b42812b3acdf37821f40dee627Chris Lattner getObjFileLowering().getSectionForConstant(SectionKind::getReadOnly()); 3556c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(ReadOnlySection); 356b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng JTInDiffSection = true; 3572f1ae88445c696a9b9d61e14747ba721190cdc99Nate Begeman } 358acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 359acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey EmitAlignment(Log2_32(MJTI->getAlignment())); 3600c4e6789da4dba6c7b0010886776b24dec3f3bb8Chris Lattner 36137efe6764568a3829fee26aba532283131d1a104Nate Begeman for (unsigned i = 0, e = JT.size(); i != e; ++i) { 36252a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman const std::vector<MachineBasicBlock*> &JTBBs = JT[i].MBBs; 36307371882208f913d18a7f2a47373eaee7138416bChris Lattner 36407371882208f913d18a7f2a47373eaee7138416bChris Lattner // If this jump table was deleted, ignore it. 36507371882208f913d18a7f2a47373eaee7138416bChris Lattner if (JTBBs.empty()) continue; 36652a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 36752a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman // For PIC codegen, if possible we want to use the SetDirective to reduce 36852a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman // the number of relocations the assembler will generate for the jump table. 36952a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman // Set directives are all printed before the jump table itself. 370cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng SmallPtrSet<MachineBasicBlock*, 16> EmittedSets; 37133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getSetDirective() && IsPic) 37252a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) 373cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng if (EmittedSets.insert(JTBBs[ii])) 374cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng printPICJumpTableSetLabel(i, JTBBs[ii]); 37552a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 3767c30191393c99c9ba804f1a01942a9e130c53904Chris Lattner // On some targets (e.g. Darwin) we want to emit two consequtive labels 377393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner // before each jump table. The first label is never referenced, but tells 378393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner // the assembler and linker the extents of the jump table object. The 379393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner // second label is actually referenced by the code. 3807c30191393c99c9ba804f1a01942a9e130c53904Chris Lattner if (JTInDiffSection && MAI->getLinkerPrivateGlobalPrefix()[0]) { 3817c30191393c99c9ba804f1a01942a9e130c53904Chris Lattner O << MAI->getLinkerPrivateGlobalPrefix() 3827c30191393c99c9ba804f1a01942a9e130c53904Chris Lattner << "JTI" << getFunctionNumber() << '_' << i << ":\n"; 383b13bafe5c12dd908b55c559c93adaeb1627ed096Evan Cheng } 384393a8eea3c15de08eaf6953aa8a65a3961b76153Chris Lattner 38533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 386347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << '_' << i << ":\n"; 38752a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 38837efe6764568a3829fee26aba532283131d1a104Nate Begeman for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) { 3899de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov printPICJumpTableEntry(MJTI, JTBBs[ii], i); 39037efe6764568a3829fee26aba532283131d1a104Nate Begeman O << '\n'; 39137efe6764568a3829fee26aba532283131d1a104Nate Begeman } 39237efe6764568a3829fee26aba532283131d1a104Nate Begeman } 39337efe6764568a3829fee26aba532283131d1a104Nate Begeman} 39437efe6764568a3829fee26aba532283131d1a104Nate Begeman 3959de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikovvoid AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI, 3969de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov const MachineBasicBlock *MBB, 3979de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov unsigned uid) const { 398b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner bool isPIC = TM.getRelocationModel() == Reloc::PIC_; 3999de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4009de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // Use JumpTableDirective otherwise honor the entry size from the jump table 4019de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // info. 40233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner const char *JTEntryDirective = MAI->getJumpTableDirective(isPIC); 4039de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov bool HadJTEntryDirective = JTEntryDirective != NULL; 4049de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov if (!HadJTEntryDirective) { 4059de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov JTEntryDirective = MJTI->getEntrySize() == 4 ? 40633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner MAI->getData32bitsDirective() : MAI->getData64bitsDirective(); 4079de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov } 4089de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4099de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov O << JTEntryDirective << ' '; 4109de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4119de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // If we have emitted set directives for the jump table entries, print 4129de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // them rather than the entries themselves. If we're emitting PIC, then 4139de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // emit the table entries as differences between two text section labels. 4149de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // If we're emitting non-PIC code, then emit the entries as direct 4159de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov // references to the target basic blocks. 416b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner if (!isPIC) { 417325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner GetMBBSymbol(MBB->getNumber())->print(O, MAI); 41833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner } else if (MAI->getSetDirective()) { 41933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getPrivateGlobalPrefix() << getFunctionNumber() 420b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner << '_' << uid << "_set_" << MBB->getNumber(); 4219de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov } else { 422325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner GetMBBSymbol(MBB->getNumber())->print(O, MAI); 423b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner // If the arch uses custom Jump Table directives, don't calc relative to 424b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner // JT 425b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner if (!HadJTEntryDirective) 42633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" 427b3ac6e40d9dd3bc8157edc47004f39c8f382dc9eChris Lattner << getFunctionNumber() << '_' << uid; 4289de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov } 4299de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov} 4309de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 4319de1934099f4eedaeb2f3a023411b2cd3e0e1eaeAnton Korobeynikov 432ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// EmitSpecialLLVMGlobal - Check to see if the specified global is a 433ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// special global used by LLVM. If so, emit it and return true, otherwise 434ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// do nothing and return false. 435ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattnerbool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) { 43603d7651c3652e1f0cc86e79b26585d86818da9cfDaniel Dunbar if (GV->getName() == "llvm.used") { 43733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getUsedDirective() != 0) // No need to emit this at all. 438b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth EmitLLVMUsedList(GV->getInitializer()); 439b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth return true; 440b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth } 441b753a9bb6277cd34ffc55f8674087ff8c3097a11Andrew Lenharth 442401e10c4fbfcdcfade5065093e2ca97f69a1d144Chris Lattner // Ignore debug and non-emitted data. This handles llvm.compiler.used. 443266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner if (GV->getSection() == "llvm.metadata" || 444266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner GV->hasAvailableExternallyLinkage()) 445266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner return true; 4467809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey 4477809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey if (!GV->hasAppendingLinkage()) return false; 4487809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey 4497809811e4ed3c2462efa327cef0464b9844baea2Jim Laskey assert(GV->hasInitializer() && "Not a special LLVM global!"); 450ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 451916d07cdfa89e77118043ec6e14575512ae1bf85Evan Cheng const TargetData *TD = TM.getTargetData(); 452916d07cdfa89e77118043ec6e14575512ae1bf85Evan Cheng unsigned Align = Log2_32(TD->getPointerPrefAlignment()); 453f231c07228deb75b6cd5ae7c9c057bc8303c6998Chris Lattner if (GV->getName() == "llvm.global_ctors") { 4546c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().getStaticCtorSection()); 455ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitAlignment(Align, 0); 456ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitXXStructorList(GV->getInitializer()); 457ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner return true; 458ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner } 459ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 460f231c07228deb75b6cd5ae7c9c057bc8303c6998Chris Lattner if (GV->getName() == "llvm.global_dtors") { 4616c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().getStaticDtorSection()); 462ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitAlignment(Align, 0); 463ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner EmitXXStructorList(GV->getInitializer()); 464ea3a9ff53d699bc22fcff52dbbce8aab6578a020Chris Lattner return true; 465ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner } 466ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 467ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner return false; 468ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner} 469ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 47033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner/// EmitLLVMUsedList - For targets that define a MAI::UsedDirective, mark each 471d2e51af0358b571367a9f1e5175b87e9dd72edf8Dale Johannesen/// global in the specified llvm.used list for which emitUsedDirectiveFor 472d2e51af0358b571367a9f1e5175b87e9dd72edf8Dale Johannesen/// is true, as being used with this directive. 473cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattnervoid AsmPrinter::EmitLLVMUsedList(Constant *List) { 47433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner const char *Directive = MAI->getUsedDirective(); 475cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner 476a119de86a064414622562cfe32953de7f9b0ee40Dan Gohman // Should be an array of 'i8*'. 477cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner ConstantArray *InitList = dyn_cast<ConstantArray>(List); 478cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner if (InitList == 0) return; 479cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner 480cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) { 48116fe990e56102a355f1e77aca93bf8c79d7b9eb2Chris Lattner const GlobalValue *GV = 48216fe990e56102a355f1e77aca93bf8c79d7b9eb2Chris Lattner dyn_cast<GlobalValue>(InitList->getOperand(i)->stripPointerCasts()); 48326630c1180502d07c9b2b4a9a4ba06bc5ddf180bChris Lattner if (GV && getObjFileLowering().shouldEmitUsedDirectiveFor(GV, Mang)) { 48461e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen O << Directive; 48561e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen EmitConstantValueOnly(InitList->getOperand(i)); 48661e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen O << '\n'; 48761e6093dc8d92def3dfe0b379df83f70b0558247Dale Johannesen } 488cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner } 489cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner} 490cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner 491ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// EmitXXStructorList - Emit the ctor or dtor list. This just prints out the 492ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner/// function pointers, ignoring the init priority. 493ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattnervoid AsmPrinter::EmitXXStructorList(Constant *List) { 494ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner // Should be an array of '{ int, void ()* }' structs. The first value is the 495ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner // init priority, which we ignore. 496ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner if (!isa<ConstantArray>(List)) return; 497ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner ConstantArray *InitList = cast<ConstantArray>(List); 498ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) 499ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner if (ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i))){ 500ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner if (CS->getNumOperands() != 2) return; // Not array of 2-element structs. 5018de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner 5028de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner if (CS->getOperand(1)->isNullValue()) 5038de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner return; // Found a null terminator, exit printing. 5048de324b59ce81cfb4202c706c96a3140f52e00c0Chris Lattner // Emit the function pointer. 505ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner EmitGlobalConstant(CS->getOperand(1)); 506ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner } 507ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner} 5083b4fd32a41a90ea67fd09a020d480c20e9c40dafChris Lattner 509bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey 510f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey//===----------------------------------------------------------------------===// 511f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// LEB 128 number encoding. 512f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 513f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// PrintULEB128 - Print a series of hexidecimal values (separated by commas) 514f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// representing an unsigned leb128 value. 515f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::PrintULEB128(unsigned Value) const { 516a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner char Buffer[20]; 517f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey do { 518a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner unsigned char Byte = static_cast<unsigned char>(Value & 0x7f); 519f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey Value >>= 7; 520f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (Value) Byte |= 0x80; 521a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner O << "0x" << utohex_buffer(Byte, Buffer+20); 522f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (Value) O << ", "; 523f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } while (Value); 524f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 525f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 526f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// PrintSLEB128 - Print a series of hexidecimal values (separated by commas) 527f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// representing a signed leb128 value. 528f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::PrintSLEB128(int Value) const { 529f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey int Sign = Value >> (8 * sizeof(Value) - 1); 530f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey bool IsMore; 531a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner char Buffer[20]; 532ffe31d7bf1e070650b0ff9ebfac815ea172a82bbAnton Korobeynikov 533f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey do { 534a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner unsigned char Byte = static_cast<unsigned char>(Value & 0x7f); 535f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey Value >>= 7; 536f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0; 537f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (IsMore) Byte |= 0x80; 538a64f463fb90c66406033e3fd1dc912b648bad328Chris Lattner O << "0x" << utohex_buffer(Byte, Buffer+20); 539f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (IsMore) O << ", "; 540f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } while (IsMore); 541f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 542f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 543f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey//===--------------------------------------------------------------------===// 544f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey// Emission and print routines 545f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey// 546f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 547f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// PrintHex - Print a value as a hexidecimal value. 548f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 549f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::PrintHex(int Value) const { 550c6a1346d7c6bb761f9e6c2c85b53febba1cb15dbChris Lattner char Buffer[20]; 551c6a1346d7c6bb761f9e6c2c85b53febba1cb15dbChris Lattner O << "0x" << utohex_buffer(static_cast<unsigned>(Value), Buffer+20); 552f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 553f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 554f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EOL - Print a newline character to asm stream. If a comment is present 555f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// then it will be printed first. Comments should not contain '\n'. 556bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskeyvoid AsmPrinter::EOL() const { 557d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 558bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey} 55925995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson 560f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EOL(const std::string &Comment) const { 5616547e406cf934346db7a206b61bcf09635afff0dEvan Cheng if (VerboseAsm && !Comment.empty()) { 56233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 56333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 564d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman << ' ' 565f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey << Comment; 566f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 567d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 568f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 569f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 57025995093e785f4794b3590f3df70fbfe834a00a1Owen Andersonvoid AsmPrinter::EOL(const char* Comment) const { 5716547e406cf934346db7a206b61bcf09635afff0dEvan Cheng if (VerboseAsm && *Comment) { 57233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 57333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 57425995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson << ' ' 57525995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson << Comment; 57625995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson } 57725995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson O << '\n'; 57825995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson} 579b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling 580b5abecded7573de0747f9f529a52561741bed0a2Bill Wendlingstatic const char *DecodeDWARFEncoding(unsigned Encoding) { 581b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling switch (Encoding) { 582b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_absptr: 583b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "absptr"; 584b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_omit: 585b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "omit"; 586b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_pcrel: 587b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "pcrel"; 5880734d35044c304dd072f20e49840bcbea427db9cBill Wendling case dwarf::DW_EH_PE_udata4: 5890734d35044c304dd072f20e49840bcbea427db9cBill Wendling return "udata4"; 5900734d35044c304dd072f20e49840bcbea427db9cBill Wendling case dwarf::DW_EH_PE_udata8: 5910734d35044c304dd072f20e49840bcbea427db9cBill Wendling return "udata8"; 5920734d35044c304dd072f20e49840bcbea427db9cBill Wendling case dwarf::DW_EH_PE_sdata4: 5930734d35044c304dd072f20e49840bcbea427db9cBill Wendling return "sdata4"; 5940734d35044c304dd072f20e49840bcbea427db9cBill Wendling case dwarf::DW_EH_PE_sdata8: 5950734d35044c304dd072f20e49840bcbea427db9cBill Wendling return "sdata8"; 596b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4: 597b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "pcrel udata4"; 598b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4: 599b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "pcrel sdata4"; 600b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8: 601b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "pcrel udata8"; 602b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8: 603b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "pcrel sdata8"; 604b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata4: 605b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "indirect pcrel udata4"; 606b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata4: 607b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "indirect pcrel sdata4"; 608b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata8: 609b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "indirect pcrel udata8"; 610b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8: 611b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return "indirect pcrel sdata8"; 612b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling } 613b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling 614b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling return 0; 615b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling} 616b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling 617b5abecded7573de0747f9f529a52561741bed0a2Bill Wendlingvoid AsmPrinter::EOL(const char *Comment, unsigned Encoding) const { 618b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling if (VerboseAsm && *Comment) { 619b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling O.PadToColumn(MAI->getCommentColumn()); 620b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling O << MAI->getCommentString() 621b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling << ' ' 622b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling << Comment; 623b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling 624b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling if (const char *EncStr = DecodeDWARFEncoding(Encoding)) 625b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling O << " (" << EncStr << ')'; 626b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling } 627b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling O << '\n'; 628b5abecded7573de0747f9f529a52561741bed0a2Bill Wendling} 62925995093e785f4794b3590f3df70fbfe834a00a1Owen Anderson 630f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an 631f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// unsigned leb128 value. 632f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitULEB128Bytes(unsigned Value) const { 63333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->hasLEB128()) { 634f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\t.uleb128\t" 635f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey << Value; 636f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 63733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData8bitsDirective(); 638f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintULEB128(Value); 639f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 640f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 641f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 642f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitSLEB128Bytes - print an assembler byte data directive to compose a 643f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// signed leb128 value. 644f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitSLEB128Bytes(int Value) const { 64533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->hasLEB128()) { 646f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\t.sleb128\t" 647f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey << Value; 648f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 64933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData8bitsDirective(); 650f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintSLEB128(Value); 651f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 652f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 653f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 654f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt8 - Emit a byte directive and value. 655f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 656f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt8(int Value) const { 65733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData8bitsDirective(); 658f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value & 0xFF); 659f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 660f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 661f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt16 - Emit a short directive and value. 662f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 663f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt16(int Value) const { 66433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(); 665f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value & 0xFFFF); 666f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 667f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 668f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt32 - Emit a long directive and value. 669f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 670f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt32(int Value) const { 67133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(); 672f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value); 673f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 674f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 675f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitInt64 - Emit a long long directive and value. 676f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 677f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitInt64(uint64_t Value) const { 67833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getData64bitsDirective()) { 67933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData64bitsDirective(); 680f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey PrintHex(Value); 681f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 682f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (TM.getTargetData()->isBigEndian()) { 683d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman EmitInt32(unsigned(Value >> 32)); O << '\n'; 684f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey EmitInt32(unsigned(Value)); 685f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 686d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman EmitInt32(unsigned(Value)); O << '\n'; 687f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey EmitInt32(unsigned(Value >> 32)); 688f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 689f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 690f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 691f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 692f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// toOctal - Convert the low order bits of X into an octal digit. 693f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 694f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeystatic inline char toOctal(int X) { 695f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey return (X&7)+'0'; 696f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 697f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 698f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// printStringChar - Print a char, escaped if necessary. 699f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// 70071847813bc419f7a0667468136a07429c6d9f164David Greenestatic void printStringChar(formatted_raw_ostream &O, unsigned char C) { 701f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey if (C == '"') { 702f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\\\""; 703f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else if (C == '\\') { 704f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << "\\\\"; 705bbfa244b2fa986c53a1bcf38b6dd0fea082afaaaChris Lattner } else if (isprint((unsigned char)C)) { 706f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << C; 707f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } else { 708f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey switch(C) { 709f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\b': O << "\\b"; break; 710f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\f': O << "\\f"; break; 711f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\n': O << "\\n"; break; 712f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\r': O << "\\r"; break; 713f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey case '\t': O << "\\t"; break; 714f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey default: 715f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << '\\'; 716f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << toOctal(C >> 6); 717f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << toOctal(C >> 3); 718f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey O << toOctal(C >> 0); 719f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey break; 720f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 721f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey } 722f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 723f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 724f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// EmitString - Emit a string with quotes and a null terminator. 725f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// Special characters are emitted properly. 726f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey/// \literal (Eg. '\t') \endliteral 727f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskeyvoid AsmPrinter::EmitString(const std::string &String) const { 728f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling EmitString(String.c_str(), String.size()); 729f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling} 730f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling 731f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendlingvoid AsmPrinter::EmitString(const char *String, unsigned Size) const { 73233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner const char* AscizDirective = MAI->getAscizDirective(); 733fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov if (AscizDirective) 734fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov O << AscizDirective; 735fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov else 73633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getAsciiDirective(); 737d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 738f34be827ac3bb257939e31575fcfc9ef27b94306Bill Wendling for (unsigned i = 0; i < Size; ++i) 739a118c2ee89842346ef2fd332c0fea6b931d79483Chris Lattner printStringChar(O, String[i]); 740fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov if (AscizDirective) 741d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 742fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov else 743fb269cf3e7893e1e5265db818e7ce78b6b2f75b5Anton Korobeynikov O << "\\0\""; 744f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey} 745f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 746f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 747189f80dc253664627253b2d2cb07d0714feb12baDan Gohman/// EmitFile - Emit a .file directive. 748189f80dc253664627253b2d2cb07d0714feb12baDan Gohmanvoid AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const { 749189f80dc253664627253b2d2cb07d0714feb12baDan Gohman O << "\t.file\t" << Number << " \""; 750a118c2ee89842346ef2fd332c0fea6b931d79483Chris Lattner for (unsigned i = 0, N = Name.size(); i < N; ++i) 751a118c2ee89842346ef2fd332c0fea6b931d79483Chris Lattner printStringChar(O, Name[i]); 752d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 753189f80dc253664627253b2d2cb07d0714feb12baDan Gohman} 754189f80dc253664627253b2d2cb07d0714feb12baDan Gohman 755189f80dc253664627253b2d2cb07d0714feb12baDan Gohman 756f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey//===----------------------------------------------------------------------===// 757f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 7583a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// EmitAlignment - Emit an alignment directive to the specified power of 7593a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// two boundary. For example, if you pass in 3 here, you will get an 8 7603a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// byte alignment. If a global value is specified, and if that global has 7613a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// an explicit alignment requested, it will unconditionally override the 7623a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// alignment request. However, if ForcedAlignBits is specified, this value 7633a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// has final say: the ultimate alignment will be the max of ForcedAlignBits 7643a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// and the alignment computed with NumBits and the global. 7653a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// 7663a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// The algorithm is: 7673a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// Align = NumBits; 7683a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// if (GV && GV->hasalignment) Align = GV->getalignment(); 7693a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// Align = std::max(Align, ForcedAlignBits); 7703a4205367dc845d4cd804b47e061f8281777c9daChris Lattner// 7713a4205367dc845d4cd804b47e061f8281777c9daChris Lattnervoid AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV, 77205548eb174dd694b651de334b73197a62e5071f1Evan Cheng unsigned ForcedAlignBits, 77305548eb174dd694b651de334b73197a62e5071f1Evan Cheng bool UseFillExpr) const { 77400d56b96e599acbc4f895e86e17029ae7c45f142Dale Johannesen if (GV && GV->getAlignment()) 7753a4205367dc845d4cd804b47e061f8281777c9daChris Lattner NumBits = Log2_32(GV->getAlignment()); 7763a4205367dc845d4cd804b47e061f8281777c9daChris Lattner NumBits = std::max(NumBits, ForcedAlignBits); 7773a4205367dc845d4cd804b47e061f8281777c9daChris Lattner 7782a21c6e86101c857d683e7bdefb775654ccab7e3Chris Lattner if (NumBits == 0) return; // No need to emit alignment. 779663c2d2580e6e9b2435785c7e5a2de18758860a3Chris Lattner 780663c2d2580e6e9b2435785c7e5a2de18758860a3Chris Lattner unsigned FillValue = 0; 781dabf07c70a5e13a4560d75667fa5c7db28921a92Chris Lattner if (getCurrentSection()->getKind().isText()) 78233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner FillValue = MAI->getTextAlignFillValue(); 783663c2d2580e6e9b2435785c7e5a2de18758860a3Chris Lattner 784663c2d2580e6e9b2435785c7e5a2de18758860a3Chris Lattner OutStreamer.EmitValueToAlignment(1 << NumBits, FillValue, 1, 0); 785bfddc2030a7e67b9e0c42276525d6932375ff261Chris Lattner} 786a5bb59f85613e8ce481351803e7388f5ab466e72David Greene 78725045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner/// EmitZeros - Emit a block of zeros. 7887d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner/// 789c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitZeros(uint64_t NumZeros, unsigned AddrSpace) const { 7907d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner if (NumZeros) { 79133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getZeroDirective()) { 79233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getZeroDirective() << NumZeros; 79333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getZeroDirectiveSuffix()) 79433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getZeroDirectiveSuffix(); 795d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 796c6a057b04db506152c98355b51ba15d82a15b90aJeff Cohen } else { 7977d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner for (; NumZeros; --NumZeros) 79833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData8bitsDirective(AddrSpace) << "0\n"; 7997d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner } 8007d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner } 8017d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner} 8027d057a3fd579a57d9f16a3e366b56df0aff4f486Chris Lattner 803a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// Print out the specified constant, without a storage class. Only the 804a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// constants valid in constant expressions can occur here. 80525045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattnervoid AsmPrinter::EmitConstantValueOnly(const Constant *CV) { 806bd1d382cc47dfc43ee758714bc22ab5a750bad15Chris Lattner if (CV->isNullValue() || isa<UndefValue>(CV)) 807d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '0'; 8086b6b6ef1677fa71b1072c2911b4c1f9524a558c9Zhou Sheng else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { 8094315eee376450972d111c8e263ca8aecc7a3a13bScott Michel O << CI->getZExtValue(); 810b83eb6447ba155342598f0fabe1f08f5baa9164aReid Spencer } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV)) { 811855a51974134e818232e52d63a2c3b2b48c8e244Duraid Madina // This is a constant address for a global variable or function. Use the 812bfd1e50c4f51e5f22ba68f28172b0ed9ab66a61aChris Lattner // name of the variable or function as the address value. 813bfd1e50c4f51e5f22ba68f28172b0ed9ab66a61aChris Lattner O << Mang->getMangledName(GV); 814855a51974134e818232e52d63a2c3b2b48c8e244Duraid Madina } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) { 815a69571c7991813c93cba64e88eced6899ce93d81Owen Anderson const TargetData *TD = TM.getTargetData(); 81613b7d3d499ec63c5f417f7a7246afb77adb63b2eAnton Korobeynikov unsigned Opcode = CE->getOpcode(); 81713b7d3d499ec63c5f417f7a7246afb77adb63b2eAnton Korobeynikov switch (Opcode) { 818c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::Trunc: 819c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::ZExt: 820c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::SExt: 821c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPTrunc: 822c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPExt: 823c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::UIToFP: 824c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::SIToFP: 825c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPToUI: 826c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner case Instruction::FPToSI: 827c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner llvm_unreachable("FIXME: Don't support this constant cast expr"); 828a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner case Instruction::GetElementPtr: { 829a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner // generate a symbolic expression for the byte address 830a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner const Constant *ptrVal = CE->getOperand(0); 8317f6b9d2f1a7d55f6a84a1e8078b895ce4ff66daeChris Lattner SmallVector<Value*, 8> idxVec(CE->op_begin()+1, CE->op_end()); 8327f6b9d2f1a7d55f6a84a1e8078b895ce4ff66daeChris Lattner if (int64_t Offset = TD->getIndexedOffset(ptrVal->getType(), &idxVec[0], 8337f6b9d2f1a7d55f6a84a1e8078b895ce4ff66daeChris Lattner idxVec.size())) { 8344798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner // Truncate/sext the offset to the pointer size. 8354798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner if (TD->getPointerSizeInBits() != 64) { 8364798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner int SExtAmount = 64-TD->getPointerSizeInBits(); 8374798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner Offset = (Offset << SExtAmount) >> SExtAmount; 8384798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner } 8394798bbeaf5a76a83f2aa923b0abc792e01ac3be7Chris Lattner 84027e192196fec42618c7fcbd865e8e0b541545671Chris Lattner if (Offset) 841d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '('; 84225045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(ptrVal); 84327e192196fec42618c7fcbd865e8e0b541545671Chris Lattner if (Offset > 0) 84427e192196fec42618c7fcbd865e8e0b541545671Chris Lattner O << ") + " << Offset; 84527e192196fec42618c7fcbd865e8e0b541545671Chris Lattner else if (Offset < 0) 84627e192196fec42618c7fcbd865e8e0b541545671Chris Lattner O << ") - " << -Offset; 847a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } else { 84825045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(ptrVal); 849a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 850a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner break; 851a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 852cb0a6819895bf5e357a205b72f0a6fce90025f21Chris Lattner case Instruction::BitCast: 853cb0a6819895bf5e357a205b72f0a6fce90025f21Chris Lattner return EmitConstantValueOnly(CE->getOperand(0)); 854cb0a6819895bf5e357a205b72f0a6fce90025f21Chris Lattner 855ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner case Instruction::IntToPtr: { 856ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // Handle casts to pointers by changing them into casts to the appropriate 857ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // integer type. This promotes constant folding and simplifies this code. 858ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner Constant *Op = CE->getOperand(0); 8591d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Op = ConstantExpr::getIntegerCast(Op, TD->getIntPtrType(CV->getContext()), 8601d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson false/*ZExt*/); 861ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner return EmitConstantValueOnly(Op); 862ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner } 863ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner 864ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner 865ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner case Instruction::PtrToInt: { 8664a6bd33da0e30c26568baf3ad6c94d1f497e5ea7Chris Lattner // Support only foldable casts to/from pointers that can be eliminated by 8674a6bd33da0e30c26568baf3ad6c94d1f497e5ea7Chris Lattner // changing the pointer to the appropriately sized integer type. 868a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner Constant *Op = CE->getOperand(0); 869ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner const Type *Ty = CE->getType(); 870a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 871ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // We can emit the pointer value into this slot if the slot is an 872ddc94019916fbe4d3fff915e6002c39c63488a44Chris Lattner // integer slot greater or equal to the size of the pointer. 873c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner if (TD->getTypeAllocSize(Ty) == TD->getTypeAllocSize(Op->getType())) 8744a6bd33da0e30c26568baf3ad6c94d1f497e5ea7Chris Lattner return EmitConstantValueOnly(Op); 875d6227385fc499a8b8bc23766735f1d809d194378Nick Lewycky 876d6227385fc499a8b8bc23766735f1d809d194378Nick Lewycky O << "(("; 87725045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(Op); 878c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner APInt ptrMask = 879c19ee610f6ca1ff90b8298160c78283acb9cbaa1Chris Lattner APInt::getAllOnesValue(TD->getTypeAllocSizeInBits(Op->getType())); 880fad86b003a839cef40ec8ce8408322f4913368caChris Lattner 881fad86b003a839cef40ec8ce8408322f4913368caChris Lattner SmallString<40> S; 882fad86b003a839cef40ec8ce8408322f4913368caChris Lattner ptrMask.toStringUnsigned(S); 883dddfd34e32ff081409e5a1c95b991a898d63dff2Daniel Dunbar O << ") & " << S.str() << ')'; 884a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner break; 885a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 886a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner case Instruction::Add: 88713b7d3d499ec63c5f417f7a7246afb77adb63b2eAnton Korobeynikov case Instruction::Sub: 888feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::And: 889feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Or: 890feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Xor: 891d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '('; 89225045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(CE->getOperand(0)); 893d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << ')'; 894feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov switch (Opcode) { 895feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Add: 896feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " + "; 897feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 898feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Sub: 899feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " - "; 900feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 901feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::And: 902feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " & "; 903feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 904feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Or: 905feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " | "; 906feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 907feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov case Instruction::Xor: 908feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov O << " ^ "; 909feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 910feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov default: 911feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov break; 912feb8893d1757cc4f9400a5969df7f926606e246eAnton Korobeynikov } 913d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '('; 91425045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(CE->getOperand(1)); 915d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << ')'; 916a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner break; 917a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner default: 918c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unsupported operator!"); 919a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 920a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } else { 921c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unknown constant value!"); 922a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner } 923a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 9241b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 9252980cefb809c60aa1d7dd85adfc2c269f731de88Chris Lattner/// printAsCString - Print the specified array as a C compatible string, only if 9261b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner/// the predicate isString is true. 9271b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner/// 92871847813bc419f7a0667468136a07429c6d9f164David Greenestatic void printAsCString(formatted_raw_ostream &O, const ConstantArray *CVA, 9292980cefb809c60aa1d7dd85adfc2c269f731de88Chris Lattner unsigned LastElt) { 9301b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner assert(CVA->isString() && "Array is not string compatible!"); 9311b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 932d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 9332980cefb809c60aa1d7dd85adfc2c269f731de88Chris Lattner for (unsigned i = 0; i != LastElt; ++i) { 934edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman unsigned char C = 935b83eb6447ba155342598f0fabe1f08f5baa9164aReid Spencer (unsigned char)cast<ConstantInt>(CVA->getOperand(i))->getZExtValue(); 936f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey printStringChar(O, C); 9371b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } 938d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\"'; 9391b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner} 9401b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 941c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen/// EmitString - Emit a zero-byte-terminated string constant. 942c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen/// 943c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohenvoid AsmPrinter::EmitString(const ConstantArray *CVA) const { 944c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen unsigned NumElts = CVA->getNumOperands(); 94533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getAscizDirective() && NumElts && 946b83eb6447ba155342598f0fabe1f08f5baa9164aReid Spencer cast<ConstantInt>(CVA->getOperand(NumElts-1))->getZExtValue() == 0) { 94733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getAscizDirective(); 948c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen printAsCString(O, CVA, NumElts-1); 949c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen } else { 95033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getAsciiDirective(); 951c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen printAsCString(O, CVA, NumElts); 952c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen } 953d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 954c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen} 955c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen 956d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantArray(const ConstantArray *CVA, 957d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Gupta unsigned AddrSpace) { 95800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (CVA->isString()) { 95900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman EmitString(CVA); 96000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { // Not a string. Print the values in successive locations 96100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i) 962d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Gupta EmitGlobalConstant(CVA->getOperand(i), AddrSpace); 96300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 96400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 96500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 96600d448a341175556ebd86af68219f5b90b7145a3Dan Gohmanvoid AsmPrinter::EmitGlobalConstantVector(const ConstantVector *CP) { 96700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const VectorType *PTy = CP->getType(); 96800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 96900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I) 97000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman EmitGlobalConstant(CP->getOperand(I)); 97100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 97200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 973c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantStruct(const ConstantStruct *CVS, 974c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta unsigned AddrSpace) { 97500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Print the fields in successive locations. Pad to align if needed! 97600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const TargetData *TD = TM.getTargetData(); 977777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands unsigned Size = TD->getTypeAllocSize(CVS->getType()); 97800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const StructLayout *cvsLayout = TD->getStructLayout(CVS->getType()); 97900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t sizeSoFar = 0; 98000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned i = 0, e = CVS->getNumOperands(); i != e; ++i) { 98100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const Constant* field = CVS->getOperand(i); 98200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 98300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Check if padding is needed and insert one or more 0s. 984777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands uint64_t fieldSize = TD->getTypeAllocSize(field->getType()); 98500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1)) 98600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman - cvsLayout->getElementOffset(i)) - fieldSize; 98700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman sizeSoFar += fieldSize + padSize; 98800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 98900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Now print the actual field value. 990c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstant(field, AddrSpace); 99100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 99200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Insert padding - this may include padding to increase the size of the 99300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // current field up to the ABI size (if the struct is not packed) as well 99400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // as padding to ensure that the next field starts at the right offset. 995c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitZeros(padSize, AddrSpace); 99600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 99700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman assert(sizeSoFar == cvsLayout->getSizeInBytes() && 99800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman "Layout of constant struct may be incorrect!"); 99900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 100000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 1001c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP, 1002c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta unsigned AddrSpace) { 100300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // FP Constants are printed as integer constants to avoid losing 100400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // precision... 10051d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson LLVMContext &Context = CFP->getContext(); 100600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const TargetData *TD = TM.getTargetData(); 10071d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson if (CFP->getType() == Type::getDoubleTy(Context)) { 100800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman double Val = CFP->getValueAPF().convertToDouble(); // for comment only 100900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t i = CFP->getValueAPF().bitcastToAPInt().getZExtValue(); 101033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getData64bitsDirective(AddrSpace)) { 101133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData64bitsDirective(AddrSpace) << i; 1012a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 101333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 101433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " double " << Val; 1015a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1016f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 1017f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng } else if (TD->isBigEndian()) { 101833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32); 1019a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 102033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 102133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1022cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word of double " << Val; 1023a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1024f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 102533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i); 1026a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 102733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 102833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1029cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word of double " << Val; 1030a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1031f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 103200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 103333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i); 1034a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 103533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 103633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1037cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word of double " << Val; 1038a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1039f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 104033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32); 1041a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 104233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 104333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1044cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word of double " << Val; 1045a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1046f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 104700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 104800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 10491d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson } else if (CFP->getType() == Type::getFloatTy(Context)) { 105000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman float Val = CFP->getValueAPF().convertToFloat(); // for comment only 105133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) 1052f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng << CFP->getValueAPF().bitcastToAPInt().getZExtValue(); 1053a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 105433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 105533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " float " << Val; 1056a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1057f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 105800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 10591d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson } else if (CFP->getType() == Type::getX86_FP80Ty(Context)) { 106000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // all long double variants are printed as hex 106100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // api needed to prevent premature destruction 106200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman APInt api = CFP->getValueAPF().bitcastToAPInt(); 106300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const uint64_t *p = api.getRawData(); 106400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Convert to double so we can print the approximate val as a comment. 106500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman APFloat DoubleVal = CFP->getValueAPF(); 106600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman bool ignored; 106700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, 106800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman &ignored); 106900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (TD->isBigEndian()) { 107033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]); 1071a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 107233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 107333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1074cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant halfword of x86_fp80 ~" 1075f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng << DoubleVal.convertToDouble(); 1076a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1077f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 107833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48); 1079a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 108033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 108133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " next halfword"; 1082a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1083f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 108433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32); 1085a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 108633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 108733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " next halfword"; 1088a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1089f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 109033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16); 1091a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 109233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 109333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " next halfword"; 1094a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1095f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 109633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]); 1097a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 109833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 109933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1100cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant halfword"; 1101a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1102f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 110300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 110433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]); 1105a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 110633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 110733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1108cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant halfword of x86_fp80 ~" 1109f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng << DoubleVal.convertToDouble(); 1110a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1111f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 111233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16); 1113a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 111433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 111533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1116cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next halfword"; 1117a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1118f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 111933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32); 1120a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 112133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 112233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1123cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next halfword"; 1124a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1125f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 112633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48); 1127a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 112833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 112933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1130cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next halfword"; 1131a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1132f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 113333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]); 1134a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 113533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 113633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1137cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant halfword"; 1138a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1139f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 114000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 11411d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson EmitZeros(TD->getTypeAllocSize(Type::getX86_FP80Ty(Context)) - 11421d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TD->getTypeStoreSize(Type::getX86_FP80Ty(Context)), AddrSpace); 114300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 11441d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson } else if (CFP->getType() == Type::getPPC_FP128Ty(Context)) { 114500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // all long double variants are printed as hex 114600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // api needed to prevent premature destruction 114700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman APInt api = CFP->getValueAPF().bitcastToAPInt(); 114800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const uint64_t *p = api.getRawData(); 114900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (TD->isBigEndian()) { 115033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32); 1151a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 115233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 115333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1154cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word of ppc_fp128"; 1155a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1156f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 115733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]); 1158a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 115933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 116033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1161cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1162a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1163f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 116433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32); 1165a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 116633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 116733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1168cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1169a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1170f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 117133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]); 1172a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 117333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 117433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1175cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word"; 1176a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1177f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 117800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 117933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1]); 1180a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 118133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 118233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1183cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant word of ppc_fp128"; 1184a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1185f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 118633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32); 1187a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 118833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 118933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1190cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1191a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1192f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 119333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0]); 1194a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 119533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 119633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1197cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " next word"; 1198a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1199f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 120033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32); 1201a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 120233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 120333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1204cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant word"; 1205a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1206f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 120700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 120800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 1209c23197a26f34f559ea9797de51e187087c039c42Torok Edwin } else llvm_unreachable("Floating point constant type not handled"); 121000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 121100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 1212c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstantLargeInt(const ConstantInt *CI, 1213c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta unsigned AddrSpace) { 121400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const TargetData *TD = TM.getTargetData(); 121500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman unsigned BitWidth = CI->getBitWidth(); 121600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman assert(isPowerOf2_32(BitWidth) && 121700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman "Non-power-of-2-sized integers not handled!"); 121800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 121900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // We don't expect assemblers to support integer data directives 122000d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // for more than 64 bits, so we emit the data in at most 64-bit 122100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // quantities at a time. 122200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const uint64_t *RawData = CI->getValue().getRawData(); 122300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman for (unsigned i = 0, e = BitWidth / 64; i != e; ++i) { 122400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman uint64_t Val; 122500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (TD->isBigEndian()) 122600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman Val = RawData[e - i - 1]; 122700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman else 122800d448a341175556ebd86af68219f5b90b7145a3Dan Gohman Val = RawData[i]; 122900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 123033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->getData64bitsDirective(AddrSpace)) 123133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData64bitsDirective(AddrSpace) << Val << '\n'; 123200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman else if (TD->isBigEndian()) { 123333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32); 1234a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 123533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 123633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1237cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant half of i64 " << Val; 1238a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1239f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 124033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val); 1241a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 124233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 124333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1244cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant half of i64 " << Val; 1245a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1246f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 124700d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else { 124833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val); 1249a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 125033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 125133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1252cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " least significant half of i64 " << Val; 1253a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1254f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 125533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace) << unsigned(Val >> 32); 1256a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman if (VerboseAsm) { 125733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 125833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() 1259cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman << " most significant half of i64 " << Val; 1260a12e9d751b64767a5c41a718da2a91122d5874c4Dan Gohman } 1261f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng O << '\n'; 126200d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 126300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } 126400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman} 126500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman 126625045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner/// EmitGlobalConstant - Print a general LLVM constant to the .s file. 1267c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) { 1268a69571c7991813c93cba64e88eced6899ce93d81Owen Anderson const TargetData *TD = TM.getTargetData(); 126900d448a341175556ebd86af68219f5b90b7145a3Dan Gohman const Type *type = CV->getType(); 1270777d2306b36816a53bc1ae1244c0dc7d998ae691Duncan Sands unsigned Size = TD->getTypeAllocSize(type); 12711b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 1272bd1d382cc47dfc43ee758714bc22ab5a750bad15Chris Lattner if (CV->isNullValue() || isa<UndefValue>(CV)) { 1273c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitZeros(Size, AddrSpace); 12741b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12751b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) { 1276d3d965714b89c5d5aeb65fb5ce06e081f0b3c049Sanjiv Gupta EmitGlobalConstantArray(CVA , AddrSpace); 12771b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12781b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) { 1279c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstantStruct(CVS, AddrSpace); 12801b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12811b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) { 1282c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstantFP(CFP, AddrSpace); 128300d448a341175556ebd86af68219f5b90b7145a3Dan Gohman return; 128400d448a341175556ebd86af68219f5b90b7145a3Dan Gohman } else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { 128500d448a341175556ebd86af68219f5b90b7145a3Dan Gohman // Small integers are handled below; large integers are handled here. 128600d448a341175556ebd86af68219f5b90b7145a3Dan Gohman if (Size > 4) { 1287c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta EmitGlobalConstantLargeInt(CI, AddrSpace); 12881b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner return; 12891b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } 12909d6565a5b1fbc4286d6ee638d8f47a3171a9ed7eReid Spencer } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) { 129100d448a341175556ebd86af68219f5b90b7145a3Dan Gohman EmitGlobalConstantVector(CP); 12928cfa57b1b4eade4e0101195b2f94ab288cd03563Nate Begeman return; 12931b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner } 12941b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner 1295c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Gupta printDataDirective(type, AddrSpace); 129625045bdcda822d63674e2df7e34016536c5d3fa7Chris Lattner EmitConstantValueOnly(CV); 1297f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng if (VerboseAsm) { 1298f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { 1299f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng SmallString<40> S; 1300f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng CI->getValue().toStringUnsigned(S, 16); 130133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 130233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " 0x" << S.str(); 1303f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng } 1304eefc845b5f407adf1992602aaac1142b2d583220Scott Michel } 1305d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; 13061b7e2356ace23af872cc7d66cf45c56b10e77c4dChris Lattner} 13070264d1a4777370009176157b76d116b3195e3767Chris Lattner 1308fad86b003a839cef40ec8ce8408322f4913368caChris Lattnervoid AsmPrinter::EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { 1309d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng // Target doesn't support this yet! 1310c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Target does not support EmitMachineConstantPoolValue"); 1311d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng} 1312d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 13133ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// PrintSpecial - Print information related to the specified machine instr 13143ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// that is independent of the operand, and may be independent of the instr 13153ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// itself. This can be useful for portably encoding the comment character 13163ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// or other bits of target-specific knowledge into the asmstrings. The 13173ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// syntax used is ${:comment}. Targets can override this to add support 13183ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner/// for their own strange codes. 13193e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattnervoid AsmPrinter::PrintSpecial(const MachineInstr *MI, const char *Code) const { 1320bae02cfd46c569bb571a234544fb1bbe19c43b59Chris Lattner if (!strcmp(Code, "private")) { 132133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getPrivateGlobalPrefix(); 1322bae02cfd46c569bb571a234544fb1bbe19c43b59Chris Lattner } else if (!strcmp(Code, "comment")) { 1323f1c0ae9de5365a578fbdfebe4625fb281b0be592Evan Cheng if (VerboseAsm) 132433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString(); 13253ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner } else if (!strcmp(Code, "uid")) { 1326b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner // Comparing the address of MI isn't sufficient, because machineinstrs may 1327b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner // be allocated to the same address across functions. 1328b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner const Function *ThisF = MI->getParent()->getParent()->getFunction(); 1329b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner 1330bd58edf59128d2acb5ae48c76ef8a108fd587db2Owen Anderson // If this is a new LastFn instruction, bump the counter. 1331bd58edf59128d2acb5ae48c76ef8a108fd587db2Owen Anderson if (LastMI != MI || LastFn != ThisF) { 1332b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner ++Counter; 1333b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner LastMI = MI; 1334bd58edf59128d2acb5ae48c76ef8a108fd587db2Owen Anderson LastFn = ThisF; 1335b6a24bfa9550e5561da3091f7e5132575bf5a19eChris Lattner } 13363ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner O << Counter; 13373ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner } else { 13387d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin std::string msg; 13397d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin raw_string_ostream Msg(msg); 13407d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin Msg << "Unknown special formatter '" << Code 1341e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling << "' for machine instr: " << *MI; 13427d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error(Msg.str()); 13433ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner } 13443ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner} 13453ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner 1346cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis/// processDebugLoc - Processes the debug information of each machine 1347cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis/// instruction's DebugLoc. 1348cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidisvoid AsmPrinter::processDebugLoc(DebugLoc DL) { 134933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (!MAI || !DW) 1350d250329291dd9fe0d5f0e72e6cf1e287558a7cbaChris Lattner return; 1351d250329291dd9fe0d5f0e72e6cf1e287558a7cbaChris Lattner 135233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (MAI->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) { 1353cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis if (!DL.isUnknown()) { 1354cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis DebugLocTuple CurDLT = MF->getDebugLocTuple(DL); 1355cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis 1356c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT) { 1357cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis printLabel(DW->RecordSourceLine(CurDLT.Line, CurDLT.Col, 1358cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis DICompileUnit(CurDLT.CompileUnit))); 1359c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner O << '\n'; 1360c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner } 1361cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis 1362cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis PrevDLT = CurDLT; 1363cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis } 1364cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis } 1365cd76240f3d0f6c5f8c80e4762a8fe3a4de22e059Argyrios Kyrtzidis} 13663ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner 13670264d1a4777370009176157b76d116b3195e3767Chris Lattner/// printInlineAsm - This method formats and prints the specified machine 13680264d1a4777370009176157b76d116b3195e3767Chris Lattner/// instruction that is an inline asm. 13690264d1a4777370009176157b76d116b3195e3767Chris Lattnervoid AsmPrinter::printInlineAsm(const MachineInstr *MI) const { 1370f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner unsigned NumOperands = MI->getNumOperands(); 1371f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner 1372f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner // Count the number of register definitions. 1373f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner unsigned NumDefs = 0; 1374d735b8019b0f297d7c14b55adcd887af24d8e602Dan Gohman for (; MI->getOperand(NumDefs).isReg() && MI->getOperand(NumDefs).isDef(); 137567942f5dc30be1810f983aba8c94c49ca44e8634Chris Lattner ++NumDefs) 1376f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner assert(NumDefs != NumOperands-1 && "No asm string?"); 1377f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner 1378d735b8019b0f297d7c14b55adcd887af24d8e602Dan Gohman assert(MI->getOperand(NumDefs).isSymbol() && "No asm string?"); 13796609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 13806609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // Disassemble the AsmStr, printing out the literal pieces, the operands, etc. 1381f2b67cff040d1eb3229f7929d0ec7a5e016a7a57Chris Lattner const char *AsmStr = MI->getOperand(NumDefs).getSymbolName(); 13826609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1383ba2a0b960ea4c73d0f81557f63ae2ea126e08905Dale Johannesen // If this asmstr is empty, just print the #APP/#NOAPP markers. 1384ba2a0b960ea4c73d0f81557f63ae2ea126e08905Dale Johannesen // These are useful to see where empty asm's wound up. 1385f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner if (AsmStr[0] == 0) { 138633adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << MAI->getInlineAsmStart() << "\n\t"; 138733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << MAI->getInlineAsmEnd() << '\n'; 1388f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner return; 1389f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner } 1390f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner 139133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << MAI->getInlineAsmStart() << "\n\t"; 1392f26f5dde14dddb7540d4d8024ecdd7f5a8390b39Chris Lattner 1393eb9a42c90bf7e21ad8544315a65f86b668cc0277Bill Wendling // The variant of the current asmprinter. 139433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner int AsmPrinterVariant = MAI->getAssemblerDialect(); 1395eb9a42c90bf7e21ad8544315a65f86b668cc0277Bill Wendling 13966609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner int CurVariant = -1; // The number of the {.|.|.} region we are in. 13976609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner const char *LastEmitted = AsmStr; // One past the last character emitted. 13982cc2f66c25d9576743026688fdae5ed402726532Chris Lattner 13996609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner while (*LastEmitted) { 14006609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner switch (*LastEmitted) { 14016609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner default: { 14026609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // Not a special case, emit the string section literally. 14036609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner const char *LiteralEnd = LastEmitted+1; 14046609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner while (*LiteralEnd && *LiteralEnd != '{' && *LiteralEnd != '|' && 14051c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner *LiteralEnd != '}' && *LiteralEnd != '$' && *LiteralEnd != '\n') 14066609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LiteralEnd; 14076609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (CurVariant == -1 || CurVariant == AsmPrinterVariant) 14086609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner O.write(LastEmitted, LiteralEnd-LastEmitted); 14096609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner LastEmitted = LiteralEnd; 14106609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner break; 14116609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14121c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner case '\n': 14131c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner ++LastEmitted; // Consume newline character. 1414d19a53ba1d4629f69821f37ca824c65e6df8e8f9Dan Gohman O << '\n'; // Indent code with newline. 14151c05997bd8d8b3e97c9a5384f8197d0348e237a3Chris Lattner break; 14166609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner case '$': { 14176609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume '$' character. 1418faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner bool Done = true; 1419faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner 1420faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner // Handle escapes. 1421faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner switch (*LastEmitted) { 1422faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner default: Done = false; break; 1423faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case '$': // $$ -> $ 14246609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (CurVariant == -1 || CurVariant == AsmPrinterVariant) 14256609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner O << '$'; 14266609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume second '$' character. 14276609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner break; 1428faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case '(': // $( -> same as GCC's { character. 1429faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner ++LastEmitted; // Consume '(' character. 1430faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner if (CurVariant != -1) { 14317d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Nested variants found in inline asm string: '" 14327d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 1433faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner } 1434faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner CurVariant = 0; // We're in the first variant now. 1435faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner break; 1436faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case '|': 1437faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner ++LastEmitted; // consume '|' character. 14388b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen if (CurVariant == -1) 14398b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen O << '|'; // this is gcc's behavior for | outside a variant 14408b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen else 14418b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen ++CurVariant; // We're in the next variant. 1442faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner break; 1443faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner case ')': // $) -> same as GCC's } char. 1444faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner ++LastEmitted; // consume ')' character. 14458b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen if (CurVariant == -1) 14468b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen O << '}'; // this is gcc's behavior for } outside a variant 14478b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen else 14488b1e0549389e4c360ac95f50da95d5009553b447Dale Johannesen CurVariant = -1; 1449faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner break; 14506609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 1451faf1daeb92bf4db4a6a68d296e24a6e2a4768022Chris Lattner if (Done) break; 14526609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 14536609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner bool HasCurlyBraces = false; 14546609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (*LastEmitted == '{') { // ${variable} 14556609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume '{' character. 14566609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner HasCurlyBraces = true; 14576609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14586609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 14593e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner // If we have ${:foo}, then this is not a real operand reference, it is a 14603e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner // "magic" string reference, just like in .td files. Arrange to call 14613e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner // PrintSpecial. 14623e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner if (HasCurlyBraces && *LastEmitted == ':') { 14633e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner ++LastEmitted; 14643e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner const char *StrStart = LastEmitted; 14653e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner const char *StrEnd = strchr(StrStart, '}'); 14663e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner if (StrEnd == 0) { 14677d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Unterminated ${:foo} operand in inline asm string: '" 14687d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 14693e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner } 14703e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner 14713e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner std::string Val(StrStart, StrEnd); 14723e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner PrintSpecial(MI, Val.c_str()); 14733e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner LastEmitted = StrEnd+1; 14743e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner break; 14753e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner } 14763e0cc2634e861b789850b5103efcc8898bf14c4cChris Lattner 14776609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner const char *IDStart = LastEmitted; 14786609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner char *IDEnd; 1479fad2912522a4c97128d8afcc2f40ca0e39287ddbChris Lattner errno = 0; 14806609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner long Val = strtol(IDStart, &IDEnd, 10); // We only accept numbers for IDs. 14816609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (!isdigit(*IDStart) || (Val == 0 && errno == EINVAL)) { 14827d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Bad $ operand number in inline asm string: '" 14837d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 14846609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 14856609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner LastEmitted = IDEnd; 14866609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1487a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner char Modifier[2] = { 0, 0 }; 1488a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner 14896609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (HasCurlyBraces) { 1490a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner // If we have curly braces, check for a modifier character. This 1491a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner // supports syntax like ${0:u}, which correspond to "%u0" in GCC asm. 1492a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner if (*LastEmitted == ':') { 1493a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner ++LastEmitted; // Consume ':' character. 1494a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner if (*LastEmitted == 0) { 14957d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Bad ${:} expression in inline asm string: '" 14967d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 1497a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner } 1498a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner 1499a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner Modifier[0] = *LastEmitted; 1500a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner ++LastEmitted; // Consume modifier character. 1501a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner } 1502a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner 15036609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if (*LastEmitted != '}') { 15047d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Bad ${} expression in inline asm string: '" 15057d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 15066609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15076609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner ++LastEmitted; // Consume '}' character. 15086609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15096609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 15106609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner if ((unsigned)Val >= NumOperands-1) { 15117d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error("Invalid $ operand number in inline asm string: '" 15127d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin + std::string(AsmStr) + "'"); 15136609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15146609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1515c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner // Okay, we finally have a value number. Ask the target to print this 15166609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // operand! 1517c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner if (CurVariant == -1 || CurVariant == AsmPrinterVariant) { 1518c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner unsigned OpNo = 1; 1519fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1520fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner bool Error = false; 1521fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1522c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner // Scan to find the machine operand number for the operand. 1523daf6bc6347b4785102611bdf21c512e8a7678cceChris Lattner for (; Val; --Val) { 1524fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner if (OpNo >= MI->getNumOperands()) break; 15259e3304900ff69c4920fea7369c9c36916c4a6a6aChris Lattner unsigned OpFlags = MI->getOperand(OpNo).getImm(); 1526697cbbfb00c318f98d6eb51945f077e2bfe8781eEvan Cheng OpNo += InlineAsm::getNumOperandRegisters(OpFlags) + 1; 1527daf6bc6347b4785102611bdf21c512e8a7678cceChris Lattner } 1528fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1529fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner if (OpNo >= MI->getNumOperands()) { 1530fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner Error = true; 1531dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner } else { 15329e3304900ff69c4920fea7369c9c36916c4a6a6aChris Lattner unsigned OpFlags = MI->getOperand(OpNo).getImm(); 1533fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner ++OpNo; // Skip over the ID number. 1534fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner 1535eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen if (Modifier[0]=='l') // labels are target independent 1536325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner GetMBBSymbol(MI->getOperand(OpNo).getMBB() 1537325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner ->getNumber())->print(O, MAI); 1538eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen else { 1539eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen AsmPrinter *AP = const_cast<AsmPrinter*>(this); 154086b49f8e2de796cb46c7c8b6a4c4900533fd53f4Dale Johannesen if ((OpFlags & 7) == 4) { 1541eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant, 1542eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Modifier[0] ? Modifier : 0); 1543eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen } else { 1544eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant, 1545eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen Modifier[0] ? Modifier : 0); 1546eb57ea7ea2378b77bc995371c1888193b960cd03Dale Johannesen } 1547fd561cded3cbaec1a4bdfae0703b4be4ea4092f3Chris Lattner } 1548dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner } 1549dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner if (Error) { 15507d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin std::string msg; 15517d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin raw_string_ostream Msg(msg); 15527d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin Msg << "Invalid operand found in inline asm: '" 1553e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling << AsmStr << "'\n"; 15547d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin MI->print(Msg); 15557d696d80409aad20bb5da0fc4eccab941dd371d4Torok Edwin llvm_report_error(Msg.str()); 15566609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 1557c3a9f8d31ce93ba384bd2bbdd55c757b06600a15Chris Lattner } 15586609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner break; 15596609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15606609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 15616609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner } 1562c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner O << "\n\t" << MAI->getCommentString() << MAI->getInlineAsmEnd(); 15636609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner} 15646609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner 1565da47e6e0d003c873da960361549e57ee4617c301Evan Cheng/// printImplicitDef - This method prints the specified machine instruction 1566da47e6e0d003c873da960361549e57ee4617c301Evan Cheng/// that is an implicit def. 1567da47e6e0d003c873da960361549e57ee4617c301Evan Chengvoid AsmPrinter::printImplicitDef(const MachineInstr *MI) const { 1568c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner if (!VerboseAsm) return; 1569c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 1570c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner O << MAI->getCommentString() << " implicit-def: " 1571f806c23a9a297e0b6d19d82ed23c6c5921d6ecd9Chris Lattner << TRI->getName(MI->getOperand(0).getReg()); 1572da47e6e0d003c873da960361549e57ee4617c301Evan Cheng} 1573da47e6e0d003c873da960361549e57ee4617c301Evan Cheng 15741ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey/// printLabel - This method prints a local label used by debug and 15751ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey/// exception handling tables. 15761ee29257428960fede862fcfdbe80d5d007927e9Jim Laskeyvoid AsmPrinter::printLabel(const MachineInstr *MI) const { 1577528bc028774513ee76125f85ceb8f704f5901cc8Dan Gohman printLabel(MI->getOperand(0).getImm()); 15781ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey} 15791ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey 15801b08bbca5592351a940bcd164bdec724ee954326Evan Chengvoid AsmPrinter::printLabel(unsigned Id) const { 1581c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner O << MAI->getPrivateGlobalPrefix() << "label" << Id << ':'; 15821b08bbca5592351a940bcd164bdec724ee954326Evan Cheng} 15831b08bbca5592351a940bcd164bdec724ee954326Evan Cheng 15846609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM 15856609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner/// instruction, using the specified assembler variant. Targets should 15866609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner/// overried this to format as appropriate. 15876609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattnerbool AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 1588a36cb0a6b110f1ac9a9388019febb64620a124b9Chris Lattner unsigned AsmVariant, const char *ExtraCode) { 15896609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner // Target doesn't support this yet! 15906609913b7d0ad13058d4ffffb17fb8d8078799efChris Lattner return true; 15910264d1a4777370009176157b76d116b3195e3767Chris Lattner} 1592dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner 1593dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattnerbool AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, 1594dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner unsigned AsmVariant, 1595dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner const char *ExtraCode) { 1596dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner // Target doesn't support this yet! 1597dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner return true; 1598dd26033002b1b4c569df84ac947828c0fc02f6baChris Lattner} 159937efe6764568a3829fee26aba532283131d1a104Nate Begeman 16007cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris LattnerMCSymbol *AsmPrinter::GetMBBSymbol(unsigned MBBID) const { 16017cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner SmallString<60> Name; 16027cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "BB" 16037cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner << getFunctionNumber() << '_' << MBBID; 16047cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner 16057cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner return OutContext.GetOrCreateSymbol(Name.str()); 16067cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner} 16077cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner 16087cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner 160970a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner/// EmitBasicBlockStart - This method prints the label for the specified 161070a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner/// MachineBasicBlock, an alignment (if present) and a comment describing 161170a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner/// it if appropriate. 1612662316c997e4eb8c3fdec6999b3e9da03620847aChris Lattnervoid AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const { 161370a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner if (unsigned Align = MBB->getAlignment()) 161470a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner EmitAlignment(Log2_32(Align)); 1615fb8075d03f5c87bd57dcc9c5f2304f6b13c55aadEvan Cheng 16167cb384dcca3f1ccfc993182ee4b972f7fffc8ffaChris Lattner GetMBBSymbol(MBB->getNumber())->print(O, MAI); 1617662316c997e4eb8c3fdec6999b3e9da03620847aChris Lattner O << ':'; 161870a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner 161970a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner if (VerboseAsm) { 1620e45da0dce0af2d6254c7db63a2fe0c3501dd3a5aDan Gohman if (const BasicBlock *BB = MBB->getBasicBlock()) 1621e45da0dce0af2d6254c7db63a2fe0c3501dd3a5aDan Gohman if (BB->hasName()) { 162233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 162333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << ' '; 162446d505647d255410b220d7f8134053390794683eDan Gohman WriteAsOperand(O, BB, /*PrintType=*/false); 1625e45da0dce0af2d6254c7db63a2fe0c3501dd3a5aDan Gohman } 1626b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 162770a54c07a0807bf89d1a8b4414e53298c376eb61Chris Lattner EmitComments(*MBB); 1628b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 162937efe6764568a3829fee26aba532283131d1a104Nate Begeman} 163052a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 1631cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng/// printPICJumpTableSetLabel - This method prints a set label for the 1632cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng/// specified MachineBasicBlock for a jumptable entry. 1633cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Chengvoid AsmPrinter::printPICJumpTableSetLabel(unsigned uid, 1634cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng const MachineBasicBlock *MBB) const { 163533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (!MAI->getSetDirective()) 163652a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman return; 163752a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 163833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix() 1639347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ','; 1640325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner GetMBBSymbol(MBB->getNumber())->print(O, MAI); 164133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 1642347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << '_' << uid << '\n'; 164352a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman} 1644d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1645cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Chengvoid AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2, 1646cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng const MachineBasicBlock *MBB) const { 164733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (!MAI->getSetDirective()) 164841349c10cbb166c58a20896e4761455f001c611eEvan Cheng return; 164941349c10cbb166c58a20896e4761455f001c611eEvan Cheng 165033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix() 1651347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << getFunctionNumber() << '_' << uid << '_' << uid2 1652347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << "_set_" << MBB->getNumber() << ','; 1653325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner GetMBBSymbol(MBB->getNumber())->print(O, MAI); 165433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 1655347d39f1fd8ad825a7ec5b8a3dce816723a56d42Evan Cheng << '_' << uid << '_' << uid2 << '\n'; 165641349c10cbb166c58a20896e4761455f001c611eEvan Cheng} 165741349c10cbb166c58a20896e4761455f001c611eEvan Cheng 1658d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng/// printDataDirective - This method prints the asm directive for the 1659d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng/// specified type. 1660c8d7bc850ddf5a5df503a173b0bc0f8c03ffec96Sanjiv Guptavoid AsmPrinter::printDataDirective(const Type *type, unsigned AddrSpace) { 1661d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng const TargetData *TD = TM.getTargetData(); 1662d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng switch (type->getTypeID()) { 1663f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner case Type::FloatTyID: case Type::DoubleTyID: 1664f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner case Type::X86_FP80TyID: case Type::FP128TyID: case Type::PPC_FP128TyID: 1665f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner assert(0 && "Should have already output floating point constant."); 1666f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner default: 1667f1cfea2dbfd6ebc0008ecd2d37a1c91058bbfdd1Chris Lattner assert(0 && "Can't handle printing this type of thing"); 1668a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer case Type::IntegerTyID: { 1669a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer unsigned BitWidth = cast<IntegerType>(type)->getBitWidth(); 1670a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer if (BitWidth <= 8) 167133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData8bitsDirective(AddrSpace); 1672a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer else if (BitWidth <= 16) 167333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace); 1674a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer else if (BitWidth <= 32) 167533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace); 1676a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer else if (BitWidth <= 64) { 167733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner assert(MAI->getData64bitsDirective(AddrSpace) && 1678a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer "Target cannot handle 64-bit constant exprs!"); 167933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData64bitsDirective(AddrSpace); 168082f94f1ad98fdcc90e44053437fa555d339a4449Dan Gohman } else { 1681c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Target cannot handle given data directive width!"); 1682a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer } 1683d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng break; 1684a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer } 1685d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng case Type::PointerTyID: 1686d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng if (TD->getPointerSize() == 8) { 168733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner assert(MAI->getData64bitsDirective(AddrSpace) && 1688d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng "Target cannot handle 64-bit pointer exprs!"); 168933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData64bitsDirective(AddrSpace); 1690fcc6f1556efb386af47293d9f8599bab2b34321cSanjiv Gupta } else if (TD->getPointerSize() == 2) { 169133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData16bitsDirective(AddrSpace); 1692fcc6f1556efb386af47293d9f8599bab2b34321cSanjiv Gupta } else if (TD->getPointerSize() == 1) { 169333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData8bitsDirective(AddrSpace); 1694a54b7cbd452b3adb2f51346140d996b29c2cdb30Reid Spencer } else { 169533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getData32bitsDirective(AddrSpace); 1696d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1697d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng break; 1698d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1699d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng} 17004c3a5f8ccba6680b948a1a234f123b4505e43529Dale Johannesen 1701f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikovvoid AsmPrinter::printVisibility(const std::string& Name, 1702f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov unsigned Visibility) const { 1703f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov if (Visibility == GlobalValue::HiddenVisibility) { 170433adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (const char *Directive = MAI->getHiddenDirective()) 1705f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov O << Directive << Name << '\n'; 1706f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov } else if (Visibility == GlobalValue::ProtectedVisibility) { 170733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner if (const char *Directive = MAI->getProtectedDirective()) 1708f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov O << Directive << Name << '\n'; 1709f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov } 1710f5b6a47bb57fb5ffc734416d4d5d993e1a06273bAnton Korobeynikov} 1711c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 17127751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikovvoid AsmPrinter::printOffset(int64_t Offset) const { 17137751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov if (Offset > 0) 17147751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov O << '+' << Offset; 17157751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov else if (Offset < 0) 17167751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov O << Offset; 17177751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov} 17187751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov 17195eca075b74d62c621b160aa216b4cd50829a2cc7Gordon HenriksenGCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy *S) { 17205eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen if (!S->usesMetadata()) 1721c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen return 0; 1722c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 17235eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen gcp_iterator GCPI = GCMetadataPrinters.find(S); 1724c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen if (GCPI != GCMetadataPrinters.end()) 1725c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen return GCPI->second; 1726c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 17275eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen const char *Name = S->getName().c_str(); 1728c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 1729c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen for (GCMetadataPrinterRegistry::iterator 1730c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen I = GCMetadataPrinterRegistry::begin(), 1731c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen E = GCMetadataPrinterRegistry::end(); I != E; ++I) 1732c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen if (strcmp(Name, I->getName()) == 0) { 17335eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen GCMetadataPrinter *GMP = I->instantiate(); 17345eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen GMP->S = S; 17355eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen GCMetadataPrinters.insert(std::make_pair(S, GMP)); 17365eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen return GMP; 1737c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen } 1738c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen 1739103289e9383ad1eb66caf28c9b166aebce963a35Chris Lattner errs() << "no GCMetadataPrinter registered for GC: " << Name << "\n"; 1740c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable(0); 1741c317a60c2714a5b90700a11ba646285cb754a5d3Gordon Henriksen} 1742014700c1a8cba203fd21ff129426ba8a426ab244David Greene 1743014700c1a8cba203fd21ff129426ba8a426ab244David Greene/// EmitComments - Pretty-print comments for instructions 17445f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattnervoid AsmPrinter::EmitComments(const MachineInstr &MI) const { 1745c5ea263a23f4f15587e35c9cb07cf72a9fba7613Chris Lattner assert(VerboseAsm && !MI.getDebugLoc().isUnknown()); 17465f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner 17475f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner DebugLocTuple DLT = MF->getDebugLocTuple(MI.getDebugLoc()); 17485f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner 17498f4b1ec02bbc72161a9bd9777a2996dae439c81eChris Lattner // Print source line info. 175033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 175133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " SrcLine "; 1752e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel if (DLT.CompileUnit) { 1753e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel std::string Str; 1754e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel DICompileUnit CU(DLT.CompileUnit); 1755e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel O << CU.getFilename(Str) << " "; 17563ac1ab835caacdeebbd0d7b4d69160f283928d21David Greene } 17575f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner O << DLT.Line; 17585f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner if (DLT.Col != 0) 17595f51cd057984b89e0dc0812d45d512596a3c6596Chris Lattner O << ":" << DLT.Col; 1760014700c1a8cba203fd21ff129426ba8a426ab244David Greene} 1761014700c1a8cba203fd21ff129426ba8a426ab244David Greene 1762fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// PrintChildLoopComment - Print comments about child loops within 1763fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// the loop for this basic block, with nesting. 1764fe37ab335be5632eab561d49984c95cb06b946d4David Greene/// 1765fe37ab335be5632eab561d49984c95cb06b946d4David Greenestatic void PrintChildLoopComment(formatted_raw_ostream &O, 1766fe37ab335be5632eab561d49984c95cb06b946d4David Greene const MachineLoop *loop, 176733adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner const MCAsmInfo *MAI, 1768fe37ab335be5632eab561d49984c95cb06b946d4David Greene int FunctionNumber) { 1769fe37ab335be5632eab561d49984c95cb06b946d4David Greene // Add child loop information 1770fe37ab335be5632eab561d49984c95cb06b946d4David Greene for(MachineLoop::iterator cl = loop->begin(), 1771fe37ab335be5632eab561d49984c95cb06b946d4David Greene clend = loop->end(); 1772fe37ab335be5632eab561d49984c95cb06b946d4David Greene cl != clend; 1773fe37ab335be5632eab561d49984c95cb06b946d4David Greene ++cl) { 1774fe37ab335be5632eab561d49984c95cb06b946d4David Greene MachineBasicBlock *Header = (*cl)->getHeader(); 1775fe37ab335be5632eab561d49984c95cb06b946d4David Greene assert(Header && "No header for loop"); 1776fe37ab335be5632eab561d49984c95cb06b946d4David Greene 1777fe37ab335be5632eab561d49984c95cb06b946d4David Greene O << '\n'; 177833adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 1779fe37ab335be5632eab561d49984c95cb06b946d4David Greene 178033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString(); 1781c281de1d8485b5ec64f4b330b541f91d1ee86c37Chris Lattner O.indent(((*cl)->getLoopDepth()-1)*2) 1782fe37ab335be5632eab561d49984c95cb06b946d4David Greene << " Child Loop BB" << FunctionNumber << "_" 1783fe37ab335be5632eab561d49984c95cb06b946d4David Greene << Header->getNumber() << " Depth " << (*cl)->getLoopDepth(); 1784fe37ab335be5632eab561d49984c95cb06b946d4David Greene 178533adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner PrintChildLoopComment(O, *cl, MAI, FunctionNumber); 1786fe37ab335be5632eab561d49984c95cb06b946d4David Greene } 1787fe37ab335be5632eab561d49984c95cb06b946d4David Greene} 1788fe37ab335be5632eab561d49984c95cb06b946d4David Greene 1789b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene/// EmitComments - Pretty-print comments for basic blocks 1790b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greenevoid AsmPrinter::EmitComments(const MachineBasicBlock &MBB) const 1791b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene{ 1792fe37ab335be5632eab561d49984c95cb06b946d4David Greene if (VerboseAsm) { 1793b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene // Add loop depth information 1794b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene const MachineLoop *loop = LI->getLoopFor(&MBB); 1795b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1796b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (loop) { 1797b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene // Print a newline after bb# annotation. 1798b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << "\n"; 179933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 180033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " Loop Depth " << loop->getLoopDepth() 1801b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene << '\n'; 1802b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 180333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 1804b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1805b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene MachineBasicBlock *Header = loop->getHeader(); 1806b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene assert(Header && "No header for loop"); 1807b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1808b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (Header == &MBB) { 180933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " Loop Header"; 181033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner PrintChildLoopComment(O, loop, MAI, getFunctionNumber()); 1811b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1812b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene else { 181333adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " Loop Header is BB" 1814b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene << getFunctionNumber() << "_" << loop->getHeader()->getNumber(); 1815b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1816b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1817b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene if (loop->empty()) { 1818b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << '\n'; 181933adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 182033adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString() << " Inner Loop"; 1821b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1822b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1823b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene // Add parent loop information 1824b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene for (const MachineLoop *CurLoop = loop->getParentLoop(); 1825b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene CurLoop; 1826b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene CurLoop = CurLoop->getParentLoop()) { 1827b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene MachineBasicBlock *Header = CurLoop->getHeader(); 1828b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene assert(Header && "No header for loop"); 1829b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene 1830b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene O << '\n'; 183133adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O.PadToColumn(MAI->getCommentColumn()); 183233adcfb4d217f5f23d9bde8ba02b8e48f9605fc5Chris Lattner O << MAI->getCommentString(); 1833c281de1d8485b5ec64f4b330b541f91d1ee86c37Chris Lattner O.indent((CurLoop->getLoopDepth()-1)*2) 1834fe37ab335be5632eab561d49984c95cb06b946d4David Greene << " Inside Loop BB" << getFunctionNumber() << "_" 1835b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene << Header->getNumber() << " Depth " << CurLoop->getLoopDepth(); 1836b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1837b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1838b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene } 1839b71d1b2fe2c0673005283b48be2f37c750ce367bDavid Greene} 1840