diff options
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
| -rw-r--r-- | lib/CodeGen/LLVMTargetMachine.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp index ed57f4cb10..ced6664c4a 100644 --- a/lib/CodeGen/LLVMTargetMachine.cpp +++ b/lib/CodeGen/LLVMTargetMachine.cpp @@ -66,6 +66,9 @@ 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> PostRAMachineLICM("postra-machine-licm", cl::Hidden, + cl::desc("Enable post-regalloc Machine LICM")); + static cl::opt<cl::boolOrDefault> AsmVerbose("asm-verbose", cl::desc("Add comments to directives."), cl::init(cl::BOU_UNSET)); @@ -343,6 +346,10 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, // kill markers. PM.add(createStackSlotColoringPass(false)); printAndVerify(PM, "After StackSlotColoring"); + + // Run post-ra machine LICM to hoist reloads / remats. + if (PostRAMachineLICM) + PM.add(createMachineLICMPass(false)); } // Run post-ra passes. |