diff options
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
| -rw-r--r-- | lib/CodeGen/LLVMTargetMachine.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp index 05284347f0..6a8e775e6b 100644 --- a/lib/CodeGen/LLVMTargetMachine.cpp +++ b/lib/CodeGen/LLVMTargetMachine.cpp @@ -29,6 +29,12 @@ static cl::opt<bool> PrintISelInput("print-isel-input", cl::Hidden, static cl::opt<bool> PrintEmittedAsm("print-emitted-asm", cl::Hidden, cl::desc("Dump emitter generated instructions as assembly")); +// Hidden options to help debugging +static cl::opt<bool> +EnableSinking("enable-sinking", cl::init(false), cl::Hidden, + cl::desc("Perform sinking on machine code")); + + FileModel::Model LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM, std::ostream &Out, @@ -68,6 +74,9 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM, PM.add(createMachineFunctionPrinterPass(cerr)); PM.add(createMachineLICMPass()); + + if (EnableSinking) + PM.add(createMachineSinkingPass()); // Perform register allocation to convert to a concrete x86 representation PM.add(createRegisterAllocator()); |