LLVMTargetMachine.cpp revision 02dae4ba06a05d28b24b3c1b39d54de751271c95
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 2885ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattnerstatic cl::opt<bool> PrintLSR("print-lsr-output", cl::Hidden, 2985ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattner cl::desc("Print LLVM IR produced by the loop-reduce pass")); 3085ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattnerstatic cl::opt<bool> PrintISelInput("print-isel-input", cl::Hidden, 3185ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattner cl::desc("Print LLVM IR input to isel pass")); 328bd6035750f1b290832a3b1c90766d9b45ed8d6bEvan Chengstatic cl::opt<bool> PrintEmittedAsm("print-emitted-asm", cl::Hidden, 338bd6035750f1b290832a3b1c90766d9b45ed8d6bEvan Cheng cl::desc("Dump emitter generated instructions as assembly")); 3493f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksenstatic cl::opt<bool> PrintGCInfo("print-gc", cl::Hidden, 3593f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen cl::desc("Dump garbage collector data")); 3685ef2546303fabe32de3f2519a978fa2a7fd5958Chris Lattner 37c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattner// Hidden options to help debugging 38c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattnerstatic cl::opt<bool> 39c4ce73f666e7ab9a270982a575101df8aa6160d3Chris LattnerEnableSinking("enable-sinking", cl::init(false), cl::Hidden, 40c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattner cl::desc("Perform sinking on machine code")); 41cc8f603f531c906782e4966107ae29667eb6632cBill Wendlingstatic cl::opt<bool> 423f32d65912b4da23793dab618d981be2ce11c331Evan ChengEnableLICM("machine-licm", 433f32d65912b4da23793dab618d981be2ce11c331Evan Cheng cl::init(false), cl::Hidden, 443f32d65912b4da23793dab618d981be2ce11c331Evan Cheng cl::desc("Perform loop-invariant code motion on machine code")); 45c4ce73f666e7ab9a270982a575101df8aa6160d3Chris Lattner 46459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner// When this works it will be on by default. 47459525df1e003597077197b5f802bd5d9cd7d94cChris Lattnerstatic cl::opt<bool> 48459525df1e003597077197b5f802bd5d9cd7d94cChris LattnerDisablePostRAScheduler("disable-post-RA-scheduler", 49459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner cl::desc("Disable scheduling after register allocation"), 50459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner cl::init(true)); 51459525df1e003597077197b5f802bd5d9cd7d94cChris Lattner 5204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill WendlingFileModel::Model 53bfae83139dcb4fffd50b939e1b1224b0126f04d4Dan GohmanLLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, 54cb3718832375a581c5ea23f15918f3ea447a446cOwen Anderson raw_ostream &Out, 5504523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling CodeGenFileType FileType, 5604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling bool Fast) { 5702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Add common CodeGen passes. 5802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (addCommonCodeGenPasses(PM, Fast)) 5904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::Error; 6004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 619d4209fb82cab74bae76511e3f21ef1c24ec948aJim Laskey // Fold redundant debug labels. 629d4209fb82cab74bae76511e3f21ef1c24ec948aJim Laskey PM.add(createDebugLabelFoldingPass()); 6302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 6402dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (PrintMachineCode) 6504523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 6604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 6747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner if (addPreEmitPass(PM, Fast) && PrintMachineCode) 6804523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 6904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 703f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (!Fast && !OptimizeForSize) 71d703ed6aed98c8156829399efbafb13a3cca0b69Evan Cheng PM.add(createLoopAlignerPass()); 72d703ed6aed98c8156829399efbafb13a3cca0b69Evan Cheng 7347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner switch (FileType) { 7404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling default: 7504523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling break; 7604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling case TargetMachine::AssemblyFile: 7704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling if (addAssemblyEmitter(PM, Fast, Out)) 7804523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::Error; 7904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::AsmFile; 8004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling case TargetMachine::ObjectFile: 8104523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling if (getMachOWriterInfo()) 8204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::MachOFile; 8304523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling else if (getELFWriterInfo()) 8404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::ElfFile; 8547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner } 8604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 8704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling return FileModel::Error; 8804523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling} 8902dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 9004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling/// addPassesToEmitFileFinish - If the passes to emit the specified file had to 9104523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling/// be split up (e.g., to add an object writer pass), this method can be used to 9204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling/// finish up adding passes to emit the file, if necessary. 93bfae83139dcb4fffd50b939e1b1224b0126f04d4Dan Gohmanbool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM, 9404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling MachineCodeEmitter *MCE, 9504523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling bool Fast) { 9604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling if (MCE) 978bd6035750f1b290832a3b1c90766d9b45ed8d6bEvan Cheng addSimpleCodeEmitter(PM, Fast, PrintEmittedAsm, *MCE); 9802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 995eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen PM.add(createGCInfoDeleter()); 10004523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 10147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Delete machine code for this function 10247877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createMachineCodeDeleter()); 10304523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 10447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner return false; // success! 10547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner} 10647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner 10747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// addPassesToEmitMachineCode - Add passes to the specified pass manager to 10847877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// get machine code emitted. This uses a MachineCodeEmitter object to handle 10947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// actually outputting the machine code and resolving things like the address 11047877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// of functions. This method should returns true if machine code emission is 11147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// not supported. 11247877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner/// 113bfae83139dcb4fffd50b939e1b1224b0126f04d4Dan Gohmanbool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM, 11447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner MachineCodeEmitter &MCE, 11547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner bool Fast) { 11602dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Add common CodeGen passes. 11702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (addCommonCodeGenPasses(PM, Fast)) 11802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman return true; 11902dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 12002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (addPreEmitPass(PM, Fast) && PrintMachineCode) 12102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman PM.add(createMachineFunctionPrinterPass(cerr)); 12202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 12302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman addCodeEmitter(PM, Fast, PrintEmittedAsm, MCE); 12402dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 12502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman PM.add(createGCInfoDeleter()); 12602dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 12702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Delete machine code for this function 12802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman PM.add(createMachineCodeDeleter()); 12902dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 13002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman return false; // success! 13102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman} 13202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 13302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman/// addCommonCodeGenPasses - Add standard LLVM codegen passes used for 13402dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman/// both emitting to assembly files or machine code output. 13502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman/// 13602dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohmanbool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, bool Fast) { 13747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Standard LLVM-Level Passes. 13802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 13947877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Run loop strength reduction before anything else. 140c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (!Fast) { 141c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner PM.add(createLoopStrengthReducePass(getTargetLowering())); 142c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (PrintLSR) 14362c7b8c3713f7178991fac299abcb04e3818ca65Dan Gohman PM.add(new PrintFunctionPass("\n\n*** Code after LSR ***\n", &cerr)); 144c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner } 14502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 14693f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen PM.add(createGCLoweringPass()); 14702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 1481532f3ddd77c362dd5f613af06b4de636e3c5b0eDale Johannesen if (!getTargetAsmInfo()->doesSupportExceptionHandling()) 149b6d5b1439047609c050576f3dc52b722e76bd30bDale Johannesen PM.add(createLowerInvokePass(getTargetLowering())); 15002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 15147877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Make sure that no unreachable blocks are instruction selected. 15247877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createUnreachableBlockEliminationPass()); 15304523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 154c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (!Fast) 155c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner PM.add(createCodeGenPreparePass(getTargetLowering())); 156c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner 157c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner if (PrintISelInput) 15862c7b8c3713f7178991fac299abcb04e3818ca65Dan Gohman PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel ***\n", 159c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner &cerr)); 160c8d288f8fa9e46199a29e1954550c980f184bd1cChris Lattner 16102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman // Standard Lower-Level Passes. 16202dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 16347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Ask the target for an isel. 16447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner if (addInstSelector(PM, Fast)) 16547877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner return true; 16604523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 16747877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Print the instruction selected machine code... 16847877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner if (PrintMachineCode) 16904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 1700f940c95d4506f8d04fa2aeda8a79cadb3105fe3Bill Wendling 1713f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (EnableLICM) 172cc8f603f531c906782e4966107ae29667eb6632cBill Wendling PM.add(createMachineLICMPass()); 17302dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 1743c42f1211874665e8ea6eea55a45024b557afa61Chris Lattner if (EnableSinking) 1753c42f1211874665e8ea6eea55a45024b557afa61Chris Lattner PM.add(createMachineSinkingPass()); 1760f940c95d4506f8d04fa2aeda8a79cadb3105fe3Bill Wendling 177b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov // Run pre-ra passes. 178b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov if (addPreRegAlloc(PM, Fast) && PrintMachineCode) 179b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov PM.add(createMachineFunctionPrinterPass(cerr)); 180b013f5094c3bdb36472da996d63d5c0f75b6d4d3Anton Korobeynikov 1813f32d65912b4da23793dab618d981be2ce11c331Evan Cheng // Perform register allocation. 18247877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createRegisterAllocator()); 1833f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 1843f32d65912b4da23793dab618d981be2ce11c331Evan Cheng // Perform stack slot coloring. 1859ef4c5302eb547936f6586ece880f31104d2f801Evan Cheng if (!Fast) 1869ef4c5302eb547936f6586ece880f31104d2f801Evan Cheng PM.add(createStackSlotColoringPass()); 1873f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 18802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (PrintMachineCode) // Print the register-allocated code 18904523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 19002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 1913f32d65912b4da23793dab618d981be2ce11c331Evan Cheng // Run post-ra passes. 1923f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (addPostRegAlloc(PM, Fast) && PrintMachineCode) 1933f32d65912b4da23793dab618d981be2ce11c331Evan Cheng PM.add(createMachineFunctionPrinterPass(cerr)); 1943f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 19502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (PrintMachineCode) 1963f32d65912b4da23793dab618d981be2ce11c331Evan Cheng PM.add(createMachineFunctionPrinterPass(cerr)); 19702dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 198ada779fb11eb411536aa8219a176ca0ce4d58fd1Christopher Lamb PM.add(createLowerSubregsPass()); 19902dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 200ada779fb11eb411536aa8219a176ca0ce4d58fd1Christopher Lamb if (PrintMachineCode) // Print the subreg lowered code 201ada779fb11eb411536aa8219a176ca0ce4d58fd1Christopher Lamb PM.add(createMachineFunctionPrinterPass(cerr)); 20204523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 20347877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner // Insert prolog/epilog code. Eliminate abstract frame index references... 20447877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner PM.add(createPrologEpilogCodeInserter()); 20502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 2063f32d65912b4da23793dab618d981be2ce11c331Evan Cheng if (PrintMachineCode) 20704523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling PM.add(createMachineFunctionPrinterPass(cerr)); 20802dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 209e7e7d0d7e39d0c7c659d26b97e8081fce0fcd749Dale Johannesen // Second pass scheduler. 21002dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman if (!Fast && !DisablePostRAScheduler) 21172f159640382a16e036b63dcb9c0b427e6d5dc0aDale Johannesen PM.add(createPostRAScheduler()); 212e7e7d0d7e39d0c7c659d26b97e8081fce0fcd749Dale Johannesen 213e01eaa09c6be30497fde9bc4a8776752f27f74b6Chris Lattner // Branch folding must be run after regalloc and prolog/epilog insertion. 214e01eaa09c6be30497fde9bc4a8776752f27f74b6Chris Lattner if (!Fast) 215e6e435498c0e35d98644f868886d39c4665bb83aDale Johannesen PM.add(createBranchFoldingPass(getEnableTailMergeDefault())); 2160f940c95d4506f8d04fa2aeda8a79cadb3105fe3Bill Wendling 21793f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen PM.add(createGCMachineCodeAnalysisPass()); 2183f32d65912b4da23793dab618d981be2ce11c331Evan Cheng 21993f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen if (PrintMachineCode) 22093f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen PM.add(createMachineFunctionPrinterPass(cerr)); 22102dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman 22293f96d00bf10299246ea726956ce84dcb4b9a59eGordon Henriksen if (PrintGCInfo) 2235eca075b74d62c621b160aa216b4cd50829a2cc7Gordon Henriksen PM.add(createGCInfoPrinter(*cerr)); 22404523eab6bbc5d55a6e3f3296ddd583c8ad5ebb1Bill Wendling 22502dae4ba06a05d28b24b3c1b39d54de751271c95Dan Gohman return false; 22647877050e7ea02c3514497aba54eef1d4cee8452Chris Lattner} 227