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polish the -finstrument-functions implementation, patch by Nelson Elhage!

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llvm-svn: 106618
This commit is contained in:
Chris Lattner
2010-06-23 05:21:28 +00:00
parent 2213aa360a
commit b48a2d5d2f
1 changed files with 8 additions and 3 deletions
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11
clang/lib/CodeGen/CodeGenFunction.cpp
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@@ -180,11 +180,14 @@ void CodeGenFunction::EmitFunctionInstrumentation(const char *Fn) {
if (!ShouldInstrumentFunction())
return;
const llvm::PointerType *PointerTy;
const llvm::FunctionType *FunctionTy;
std::vector<const llvm::Type*> ProfileFuncArgs;
ProfileFuncArgs.push_back(CurFn->getType());
ProfileFuncArgs.push_back(llvm::Type::getInt8PtrTy(VMContext));
// void __cyg_profile_func_{enter,exit} (void *this_fn, void *call_site);
PointerTy = llvm::Type::getInt8PtrTy(VMContext);
ProfileFuncArgs.push_back(PointerTy);
ProfileFuncArgs.push_back(PointerTy);
FunctionTy = llvm::FunctionType::get(
llvm::Type::getVoidTy(VMContext),
ProfileFuncArgs, false);
@@ -195,7 +198,9 @@ void CodeGenFunction::EmitFunctionInstrumentation(const char *Fn) {
llvm::ConstantInt::get(llvm::Type::getInt32Ty(VMContext), 0),
"callsite");
Builder.CreateCall2(F, CurFn, CallSite);
Builder.CreateCall2(F,
llvm::ConstantExpr::getBitCast(CurFn, PointerTy),
CallSite);
}
void CodeGenFunction::StartFunction(GlobalDecl GD, QualType RetTy,