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Fix for PR5801: codegen memcpy, memmove, memset directly to LLVM intrinsics. 

llvm-svn: 91573
This commit is contained in:
Eli Friedman 2009-12-17 00:14:28 +00:00
parent d970acb60f
commit 7f4933f6c7
1 changed files with 3 additions and 0 deletions
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3
clang/lib/CodeGen/CGBuiltin.cpp
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@ -302,6 +302,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
llvm::ConstantInt::get(llvm::Type::getInt32Ty(VMContext), 1));
return RValue::get(Address);
}
case Builtin::BImemcpy:
case Builtin::BI__builtin_memcpy: {
Value *Address = EmitScalarExpr(E->getArg(0));
Builder.CreateCall4(CGM.getMemCpyFn(), Address,
@ -310,6 +311,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
llvm::ConstantInt::get(llvm::Type::getInt32Ty(VMContext), 1));
return RValue::get(Address);
}
case Builtin::BImemmove:
case Builtin::BI__builtin_memmove: {
Value *Address = EmitScalarExpr(E->getArg(0));
Builder.CreateCall4(CGM.getMemMoveFn(), Address,
@ -318,6 +320,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
llvm::ConstantInt::get(llvm::Type::getInt32Ty(VMContext), 1));
return RValue::get(Address);
}
case Builtin::BImemset:
case Builtin::BI__builtin_memset: {
Value *Address = EmitScalarExpr(E->getArg(0));
Builder.CreateCall4(CGM.getMemSetFn(), Address,