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Remove obsolete fallback code for objectsize. 

llvm-svn: 90780
This commit is contained in:
Mike Stump 2009-12-07 18:58:11 +00:00
parent e60244db8c
commit 52d7141186
1 changed files with 0 additions and 10 deletions
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10
clang/lib/CodeGen/CGBuiltin.cpp
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@ -204,7 +204,6 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
return RValue::get(Builder.CreateCall(F, ArgValue, "tmp"));
}
case Builtin::BI__builtin_object_size: {
#if 1
// We pass this builtin onto the optimizer so that it can
// figure out the object size in more complex cases.
const llvm::Type *ResType[] = {
@ -214,15 +213,6 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
return RValue::get(Builder.CreateCall2(F,
EmitScalarExpr(E->getArg(0)),
EmitScalarExpr(E->getArg(1))));
#else
// FIXME: Remove after testing.
llvm::APSInt TypeArg = E->getArg(1)->EvaluateAsInt(CGM.getContext());
const llvm::Type *ResType = ConvertType(E->getType());
// bool UseSubObject = TypeArg.getZExtValue() & 1;
bool UseMinimum = TypeArg.getZExtValue() & 2;
return RValue::get(
llvm::ConstantInt::get(ResType, UseMinimum ? 0 : -1LL));
#endif
}
case Builtin::BI__builtin_prefetch: {
Value *Locality, *RW, *Address = EmitScalarExpr(E->getArg(0));