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-rw-r--r--clang/lib/CodeGen/CodeGenFunction.cpp50
1 files changed, 18 insertions, 32 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 37d174dd663..8544da3da7f 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -354,8 +354,12 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) {
// Emit function epilog (to return).
llvm::DebugLoc Loc = EmitReturnBlock();
- if (ShouldInstrumentFunction())
- EmitFunctionInstrumentation("__cyg_profile_func_exit");
+ if (ShouldInstrumentFunction()) {
+ CurFn->addFnAttr(!CGM.getCodeGenOpts().InstrumentFunctionsAfterInlining
+ ? "instrument-function-exit"
+ : "instrument-function-exit-inlined",
+ "__cyg_profile_func_exit");
+ }
// Emit debug descriptor for function end.
if (CGDebugInfo *DI = getDebugInfo())
@@ -438,7 +442,8 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) {
/// ShouldInstrumentFunction - Return true if the current function should be
/// instrumented with __cyg_profile_func_* calls
bool CodeGenFunction::ShouldInstrumentFunction() {
- if (!CGM.getCodeGenOpts().InstrumentFunctions)
+ if (!CGM.getCodeGenOpts().InstrumentFunctions &&
+ !CGM.getCodeGenOpts().InstrumentFunctionsAfterInlining)
return false;
if (!CurFuncDecl || CurFuncDecl->hasAttr<NoInstrumentFunctionAttr>())
return false;
@@ -488,31 +493,6 @@ CodeGenFunction::DecodeAddrUsedInPrologue(llvm::Value *F,
"decoded_addr");
}
-/// EmitFunctionInstrumentation - Emit LLVM code to call the specified
-/// instrumentation function with the current function and the call site, if
-/// function instrumentation is enabled.
-void CodeGenFunction::EmitFunctionInstrumentation(const char *Fn) {
- auto NL = ApplyDebugLocation::CreateArtificial(*this);
- // void __cyg_profile_func_{enter,exit} (void *this_fn, void *call_site);
- llvm::PointerType *PointerTy = Int8PtrTy;
- llvm::Type *ProfileFuncArgs[] = { PointerTy, PointerTy };
- llvm::FunctionType *FunctionTy =
- llvm::FunctionType::get(VoidTy, ProfileFuncArgs, false);
-
- llvm::Constant *F = CGM.CreateRuntimeFunction(FunctionTy, Fn);
- llvm::CallInst *CallSite = Builder.CreateCall(
- CGM.getIntrinsic(llvm::Intrinsic::returnaddress),
- llvm::ConstantInt::get(Int32Ty, 0),
- "callsite");
-
- llvm::Value *args[] = {
- llvm::ConstantExpr::getBitCast(CurFn, PointerTy),
- CallSite
- };
-
- EmitNounwindRuntimeCall(F, args);
-}
-
static void removeImageAccessQualifier(std::string& TyName) {
std::string ReadOnlyQual("__read_only");
std::string::size_type ReadOnlyPos = TyName.find(ReadOnlyQual);
@@ -1001,8 +981,12 @@ void CodeGenFunction::StartFunction(GlobalDecl GD,
DI->EmitFunctionStart(GD, Loc, StartLoc, FnType, CurFn, Builder);
}
- if (ShouldInstrumentFunction())
- EmitFunctionInstrumentation("__cyg_profile_func_enter");
+ if (ShouldInstrumentFunction()) {
+ Fn->addFnAttr(!CGM.getCodeGenOpts().InstrumentFunctionsAfterInlining
+ ? "instrument-function-entry"
+ : "instrument-function-entry-inlined",
+ "__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.
@@ -1012,8 +996,10 @@ void CodeGenFunction::StartFunction(GlobalDecl GD,
if (CGM.getCodeGenOpts().CallFEntry)
Fn->addFnAttr("fentry-call", "true");
else {
- if (!CurFuncDecl || !CurFuncDecl->hasAttr<NoInstrumentFunctionAttr>())
- Fn->addFnAttr("counting-function", getTarget().getMCountName());
+ if (!CurFuncDecl || !CurFuncDecl->hasAttr<NoInstrumentFunctionAttr>()) {
+ Fn->addFnAttr("instrument-function-entry-inlined",
+ getTarget().getMCountName());
+ }
}
}
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