LLVMTargetMachine.cpp revision dc756858f92a397ed30362ba8251fec56479735f
147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner//===-- LLVMTargetMachine.cpp - Implement the LLVMTargetMachine class -----===// 247877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner// 347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner// The LLVM Compiler Infrastructure 447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner// 847877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner//===----------------------------------------------------------------------===// 947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner// 1047877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner// This file implements the LLVMTargetMachine class. 1147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner// 1247877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner//===----------------------------------------------------------------------===// 1347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner 1447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner#include "llvm/Target/TargetMachine.h" 1547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner#include "llvm/PassManager.h" 1647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner#include "llvm/Pass.h" 1731442f9dc5512b6a29cdb332b12ae09a1c9e8176Chris Lattner#include "llvm/Assembly/PrintModulePass.h" 180f54dcbf07c69e41ecaa6b4fbf0d94956d8e9ff5Devang Patel#include "llvm/Analysis/LoopPass.h" 1947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner#include "llvm/CodeGen/Passes.h" 205a29c9eed157af51a8d338b5a225b146881819e8Gordon Henriksen#include "llvm/CodeGen/GCStrategy.h" 2147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner#include "llvm/Target/TargetOptions.h" 221532f3ddd77c362dd5f613af06b4de636e3c5b0eDale Johannesen#include "llvm/Target/TargetAsmInfo.h" 2347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner#include "llvm/Transforms/Scalar.h" 2431442f9dc5512b6a29cdb332b12ae09a1c9e8176Chris Lattner#include "llvm/Support/CommandLine.h" 25cb3718832375a581c5ea23f15918f3ea447a446cOwen Anderson#include "llvm/Support/raw_ostream.h" 2647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattnerusing namespace llvm; 2747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner 282c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohmannamespace llvm { 292c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman bool EnableFastISel; 302c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman} 312c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman 3285ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattnerstatic cl::opt<bool> PrintLSR("print-lsr-output", cl::Hidden, 3385ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattner cl::desc("Print LLVM IR produced by the loop-reduce pass")); 3485ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattnerstatic cl::opt<bool> PrintISelInput("print-isel-input", cl::Hidden, 3585ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattner cl::desc("Print LLVM IR input to isel pass")); 368bd6035750f1b290832a3b1c90766d9b45ed8d6bEvan Chengstatic cl::opt<bool> PrintEmittedAsm("print-emitted-asm", cl::Hidden, 378bd6035750f1b290832a3b1c90766d9b45ed8d6bEvan Cheng cl::desc("Dump emitter generated instructions as assembly")); 3893f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksenstatic cl::opt<bool> PrintGCInfo("print-gc", cl::Hidden, 3993f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen cl::desc("Dump garbage collector data")); 4085ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattner 41c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattner// Hidden options to help debugging 42c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattnerstatic cl::opt<bool> 43c4ce73f666e7ab9a270982a575101df8aa6160d3Chris LattnerEnableSinking("enable-sinking", cl::init(false), cl::Hidden, 44c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattner cl::desc("Perform sinking on machine code")); 45cc8f603f531c906782e4966107ae29667eb6632cBill Wendlingstatic cl::opt<bool> 463f32d65912b4da23793dab618d981be2ce11c331Evan ChengEnableLICM("machine-licm", 473f32d65912b4da23793dab618d981be2ce11c331Evan Cheng cl::init(false), cl::Hidden, 483f32d65912b4da23793dab618d981be2ce11c331Evan Cheng cl::desc("Perform loop-invariant code motion on machine code")); 49c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattner 50459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner// When this works it will be on by default. 51459525df1e003597077197b5f802bd5d9cd7d94cChris Lattnerstatic cl::opt<bool> 52459525df1e003597077197b5f802bd5d9cd7d94cChris LattnerDisablePostRAScheduler("disable-post-RA-scheduler", 53459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner cl::desc("Disable scheduling after register allocation"), 54459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner cl::init(true)); 55459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner 56dc756858f92a397ed30362ba8251fec56479735fDan Gohman// Enable or disable FastISel. Both options are needed, because 57dc756858f92a397ed30362ba8251fec56479735fDan Gohman// FastISel is enabled by default with -fast, and we wish to be 58dc756858f92a397ed30362ba8251fec56479735fDan Gohman// able to enable or disable fast-isel independently from -fast. 59dc756858f92a397ed30362ba8251fec56479735fDan Gohmanstatic cl::opt<bool> 60dc756858f92a397ed30362ba8251fec56479735fDan GohmanEnableFastISelOption("fast-isel", cl::Hidden, 61dc756858f92a397ed30362ba8251fec56479735fDan Gohman cl::desc("Enable the experimental \"fast\" instruction selector")); 62dc756858f92a397ed30362ba8251fec56479735fDan Gohmanstatic cl::opt<bool> 63dc756858f92a397ed30362ba8251fec56479735fDan GohmanDisableFastISelOption("disable-fast-isel", cl::Hidden, 64dc756858f92a397ed30362ba8251fec56479735fDan Gohman cl::desc("Disable the experimental \"fast\" instruction selector")); 652c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman 6604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill WendlingFileModel::Model 67bfae83139dcb4fffd50b939e1b1224b0126f04d4Dan GohmanLLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, 68cb3718832375a581c5ea23f15918f3ea447a446cOwen Anderson raw_ostream &Out, 6904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling CodeGenFileType FileType, 7004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling bool Fast) { 7102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Add common CodeGen passes. 7202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (addCommonCodeGenPasses(PM, Fast)) 7304523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::Error; 7404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 759d4209fb82cab74bae76511e3f21ef1c24ec948aJim Laskey // Fold redundant debug labels. 769d4209fb82cab74bae76511e3f21ef1c24ec948aJim Laskey PM.add(createDebugLabelFoldingPass()); 7702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 7802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (PrintMachineCode) 7904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 8004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 8147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner if (addPreEmitPass(PM, Fast) && PrintMachineCode) 8204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 8304523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 843f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (!Fast && !OptimizeForSize) 85d703ed6aed98c8156829399efbafb13a3cca0b69Evan Cheng PM.add(createLoopAlignerPass()); 86d703ed6aed98c8156829399efbafb13a3cca0b69Evan Cheng 8747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner switch (FileType) { 8804523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling default: 8904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling break; 9004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling case TargetMachine::AssemblyFile: 9104523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling if (addAssemblyEmitter(PM, Fast, Out)) 9204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::Error; 9304523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::AsmFile; 9404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling case TargetMachine::ObjectFile: 9504523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling if (getMachOWriterInfo()) 9604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::MachOFile; 9704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling else if (getELFWriterInfo()) 9804523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::ElfFile; 9947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner } 10004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 10104523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::Error; 10204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling} 10302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 10404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling/// addPassesToEmitFileFinish - If the passes to emit the specified file had to 10504523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling/// be split up (e.g., to add an object writer pass), this method can be used to 10604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling/// finish up adding passes to emit the file, if necessary. 107bfae83139dcb4fffd50b939e1b1224b0126f04d4Dan Gohmanbool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM, 10804523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling MachineCodeEmitter *MCE, 10904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling bool Fast) { 11004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling if (MCE) 1118bd6035750f1b290832a3b1c90766d9b45ed8d6bEvan Cheng addSimpleCodeEmitter(PM, Fast, PrintEmittedAsm, *MCE); 11202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 1135eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen PM.add(createGCInfoDeleter()); 11404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 11547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Delete machine code for this function 11647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createMachineCodeDeleter()); 11704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 11847877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner return false; // success! 11947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner} 12047877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner 12147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// addPassesToEmitMachineCode - Add passes to the specified pass manager to 12247877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// get machine code emitted. This uses a MachineCodeEmitter object to handle 12347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// actually outputting the machine code and resolving things like the address 12447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// of functions. This method should returns true if machine code emission is 12547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// not supported. 12647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// 127bfae83139dcb4fffd50b939e1b1224b0126f04d4Dan Gohmanbool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM, 12847877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner MachineCodeEmitter &MCE, 12947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner bool Fast) { 13002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Add common CodeGen passes. 13102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (addCommonCodeGenPasses(PM, Fast)) 13202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman return true; 13302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 13402dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (addPreEmitPass(PM, Fast) && PrintMachineCode) 13502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman PM.add(createMachineFunctionPrinterPass(cerr)); 13602dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 13702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman addCodeEmitter(PM, Fast, PrintEmittedAsm, MCE); 13802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 13902dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman PM.add(createGCInfoDeleter()); 14002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 14102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Delete machine code for this function 14202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman PM.add(createMachineCodeDeleter()); 14302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 14402dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman return false; // success! 14502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman} 14602dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 14702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman/// addCommonCodeGenPasses - Add standard LLVM codegen passes used for 14802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman/// both emitting to assembly files or machine code output. 14902dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman/// 15002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohmanbool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, bool Fast) { 15147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Standard LLVM-Level Passes. 15202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 15347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Run loop strength reduction before anything else. 154c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (!Fast) { 155c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner PM.add(createLoopStrengthReducePass(getTargetLowering())); 156c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (PrintLSR) 15762c7b8c3713f7178991fac299abcb04e3818ca65Dan Gohman PM.add(new PrintFunctionPass("\n\n*** Code after LSR ***\n", &cerr)); 158c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner } 15902dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 16093f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen PM.add(createGCLoweringPass()); 16102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 1621532f3ddd77c362dd5f613af06b4de636e3c5b0eDale Johannesen if (!getTargetAsmInfo()->doesSupportExceptionHandling()) 163b6d5b1439047609c050576f3dc52b722e76bd30bDale Johannesen PM.add(createLowerInvokePass(getTargetLowering())); 16402dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 16547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Make sure that no unreachable blocks are instruction selected. 16647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createUnreachableBlockEliminationPass()); 16704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 168c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (!Fast) 169c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner PM.add(createCodeGenPreparePass(getTargetLowering())); 170c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner 171c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (PrintISelInput) 17262c7b8c3713f7178991fac299abcb04e3818ca65Dan Gohman PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel ***\n", 173c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner &cerr)); 174c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner 17502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Standard Lower-Level Passes. 17602dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 177dc756858f92a397ed30362ba8251fec56479735fDan Gohman // Enable FastISel with -fast, but allow that to be overridden. 178dc756858f92a397ed30362ba8251fec56479735fDan Gohman assert((!EnableFastISelOption || !DisableFastISelOption) && 179dc756858f92a397ed30362ba8251fec56479735fDan Gohman "Both -fast-isel and -disable-fast-isel given!"); 180dc756858f92a397ed30362ba8251fec56479735fDan Gohman if (EnableFastISelOption || 181dc756858f92a397ed30362ba8251fec56479735fDan Gohman (Fast && !DisableFastISelOption)) 182dc756858f92a397ed30362ba8251fec56479735fDan Gohman EnableFastISel = true; 183dc756858f92a397ed30362ba8251fec56479735fDan Gohman 18447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Ask the target for an isel. 18547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner if (addInstSelector(PM, Fast)) 18647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner return true; 18704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 18847877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Print the instruction selected machine code... 18947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner if (PrintMachineCode) 19004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 1910f940c95d4506f8d04fa2aeda8a79cadb3105fe3Bill Wendling 1922c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman // If we're using Fast-ISel, clean up the mess. 1932c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman if (EnableFastISel) 1942c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman PM.add(createDeadMachineInstructionElimPass()); 1952c4bf119be8aa05cdc3dc88c57006353f07f0d2cDan Gohman 1963f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (EnableLICM) 197cc8f603f531c906782e4966107ae29667eb6632cBill Wendling PM.add(createMachineLICMPass()); 19802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 1993c42f1211874665e8ea6eea55a45024b557afa61Chris Lattner if (EnableSinking) 2003c42f1211874665e8ea6eea55a45024b557afa61Chris Lattner PM.add(createMachineSinkingPass()); 2010f940c95d4506f8d04fa2aeda8a79cadb3105fe3Bill Wendling 202b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov // Run pre-ra passes. 203b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov if (addPreRegAlloc(PM, Fast) && PrintMachineCode) 204b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov PM.add(createMachineFunctionPrinterPass(cerr)); 205b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov 2063f32d65912b4da23793dab618d981be2ce11c331Evan Cheng // Perform register allocation. 20747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createRegisterAllocator()); 2083f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 2093f32d65912b4da23793dab618d981be2ce11c331Evan Cheng // Perform stack slot coloring. 2109ef4c5302eb547936f6586ece880f31104d2f801Evan Cheng if (!Fast) 2119ef4c5302eb547936f6586ece880f31104d2f801Evan Cheng PM.add(createStackSlotColoringPass()); 2123f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 21302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (PrintMachineCode) // Print the register-allocated code 21404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 21502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 2163f32d65912b4da23793dab618d981be2ce11c331Evan Cheng // Run post-ra passes. 2173f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (addPostRegAlloc(PM, Fast) && PrintMachineCode) 2183f32d65912b4da23793dab618d981be2ce11c331Evan Cheng PM.add(createMachineFunctionPrinterPass(cerr)); 2193f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 22002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (PrintMachineCode) 2213f32d65912b4da23793dab618d981be2ce11c331Evan Cheng PM.add(createMachineFunctionPrinterPass(cerr)); 22202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 223ada779fb11eb411536aa8219a176ca0ce4d58fd1Christopher Lamb PM.add(createLowerSubregsPass()); 22402dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 225ada779fb11eb411536aa8219a176ca0ce4d58fd1Christopher Lamb if (PrintMachineCode) // Print the subreg lowered code 226ada779fb11eb411536aa8219a176ca0ce4d58fd1Christopher Lamb PM.add(createMachineFunctionPrinterPass(cerr)); 22704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 22847877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Insert prolog/epilog code. Eliminate abstract frame index references... 22947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createPrologEpilogCodeInserter()); 23002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 2313f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (PrintMachineCode) 23204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 23302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 234e7e7d0d7e39d0c7c659d26b97e8081fce0fcd749Dale Johannesen // Second pass scheduler. 23502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (!Fast && !DisablePostRAScheduler) 23672f159640382a16e036b63dcb9c0b427e6d5dc0aDale Johannesen PM.add(createPostRAScheduler()); 237e7e7d0d7e39d0c7c659d26b97e8081fce0fcd749Dale Johannesen 238e01eaa09c6be30497fde9bc4a8776752f27f74b6Chris Lattner // Branch folding must be run after regalloc and prolog/epilog insertion. 239e01eaa09c6be30497fde9bc4a8776752f27f74b6Chris Lattner if (!Fast) 240e6e435498c0e35d98644f868886d39c4665bb83aDale Johannesen PM.add(createBranchFoldingPass(getEnableTailMergeDefault())); 2410f940c95d4506f8d04fa2aeda8a79cadb3105fe3Bill Wendling 24293f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen PM.add(createGCMachineCodeAnalysisPass()); 2433f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 24493f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen if (PrintMachineCode) 24593f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen PM.add(createMachineFunctionPrinterPass(cerr)); 24602dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 24793f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen if (PrintGCInfo) 2485eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen PM.add(createGCInfoPrinter(*cerr)); 24904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 25002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman return false; 25147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner} 252