diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.cpp | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index 94c9fd7ec6c..1cf068fd388 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -428,14 +428,6 @@ void CodeGenFunction::EmitFunctionInstrumentation(const char *Fn) { EmitNounwindRuntimeCall(F, args); } -void CodeGenFunction::EmitMCountInstrumentation() { - llvm::FunctionType *FTy = llvm::FunctionType::get(VoidTy, false); - - llvm::Constant *MCountFn = - CGM.CreateRuntimeFunction(FTy, getTarget().getMCountName()); - EmitNounwindRuntimeCall(MCountFn); -} - // OpenCL v1.2 s5.6.4.6 allows the compiler to store kernel argument // information in the program executable. The argument information stored // includes the argument name, its type, the address and access qualifiers used. @@ -794,8 +786,12 @@ void CodeGenFunction::StartFunction(GlobalDecl GD, if (ShouldInstrumentFunction()) EmitFunctionInstrumentation("__cyg_profile_func_enter"); + // Since emitting the mcount call here impacts optimizations such as function + // inlining, we just add an attribute to insert a mcount call in backend. + // The attribute "counting-function" is set to mcount function name which is + // architecture dependent. if (CGM.getCodeGenOpts().InstrumentForProfiling) - EmitMCountInstrumentation(); + Fn->addFnAttr("counting-function", getTarget().getMCountName()); if (RetTy->isVoidType()) { // Void type; nothing to return. |
