diff options
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
| -rw-r--r-- | lib/CodeGen/LLVMTargetMachine.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp index 6a8e775e6b..15c1d67f3f 100644 --- a/lib/CodeGen/LLVMTargetMachine.cpp +++ b/lib/CodeGen/LLVMTargetMachine.cpp @@ -33,7 +33,10 @@ static cl::opt<bool> PrintEmittedAsm("print-emitted-asm", cl::Hidden, static cl::opt<bool> EnableSinking("enable-sinking", cl::init(false), cl::Hidden, cl::desc("Perform sinking on machine code")); - +static cl::opt<bool> +PerformLICM("machine-licm", + cl::init(false), cl::Hidden, + cl::desc("Perform loop-invariant code motion on machine code")); FileModel::Model LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM, @@ -73,7 +76,8 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM, if (PrintMachineCode) PM.add(createMachineFunctionPrinterPass(cerr)); - PM.add(createMachineLICMPass()); + if (PerformLICM) + PM.add(createMachineLICMPass()); if (EnableSinking) PM.add(createMachineSinkingPass()); @@ -187,7 +191,8 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM, if (PrintMachineCode) PM.add(createMachineFunctionPrinterPass(cerr)); - PM.add(createMachineLICMPass()); + if (PerformLICM) + PM.add(createMachineLICMPass()); // Perform register allocation to convert to a concrete x86 representation PM.add(createRegisterAllocator()); |