diff options
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
-rw-r--r-- | lib/CodeGen/LLVMTargetMachine.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp index fd442db..5e88865 100644 --- a/lib/CodeGen/LLVMTargetMachine.cpp +++ b/lib/CodeGen/LLVMTargetMachine.cpp @@ -67,7 +67,7 @@ static cl::opt<bool> VerifyMachineCode("verify-machineinstrs", cl::Hidden, cl::desc("Verify generated machine code"), cl::init(getenv("LLVM_VERIFY_MACHINEINSTRS")!=NULL)); -static cl::opt<bool> EnableMachineCSE("machine-cse", cl::Hidden, +static cl::opt<bool> EnableMachineCSE("enable-machine-cse", cl::Hidden, cl::desc("Enable Machine CSE")); static cl::opt<cl::boolOrDefault> @@ -212,6 +212,12 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM, return false; // success! } +static void printNoVerify(PassManagerBase &PM, + const char *Banner) { + if (PrintMachineCode) + PM.add(createMachineFunctionPrinterPass(dbgs(), Banner)); +} + static void printAndVerify(PassManagerBase &PM, const char *Banner, bool allowDoubleDefs = false) { @@ -320,10 +326,10 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, if (OptLevel != CodeGenOpt::None) { PM.add(createOptimizeExtsPass()); - if (EnableMachineCSE) - PM.add(createMachineCSEPass()); if (!DisableMachineLICM) PM.add(createMachineLICMPass()); + if (EnableMachineCSE) + PM.add(createMachineCSEPass()); if (!DisableMachineSink) PM.add(createMachineSinkingPass()); printAndVerify(PM, "After MachineLICM and MachineSinking", @@ -378,13 +384,13 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, // Branch folding must be run after regalloc and prolog/epilog insertion. if (OptLevel != CodeGenOpt::None && !DisableBranchFold) { PM.add(createBranchFoldingPass(getEnableTailMergeDefault())); - printAndVerify(PM, "After BranchFolding"); + printNoVerify(PM, "After BranchFolding"); } // Tail duplication. if (OptLevel != CodeGenOpt::None && !DisableTailDuplicate) { PM.add(createTailDuplicatePass(false)); - printAndVerify(PM, "After TailDuplicate"); + printNoVerify(PM, "After TailDuplicate"); } PM.add(createGCMachineCodeAnalysisPass()); @@ -394,11 +400,11 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, if (OptLevel != CodeGenOpt::None && !DisableCodePlace) { PM.add(createCodePlacementOptPass()); - printAndVerify(PM, "After CodePlacementOpt"); + printNoVerify(PM, "After CodePlacementOpt"); } if (addPreEmitPass(PM, OptLevel)) - printAndVerify(PM, "After PreEmit passes"); + printNoVerify(PM, "After PreEmit passes"); return false; } |