when making a decl for __builtin_fabsf() make sure to

attach the appropriate attributes to it.  I don't think
this manifests as any real change though, we're still
not getting the right LLVM IR attributes out of codegen.

llvm-svn: 92316

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 21964d295ea..2253f093df0 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -4461,6 +4461,10 @@ void Sema::AddKnownFunctionAttributes(FunctionDecl *FD) {
 
     if (Context.BuiltinInfo.isNoReturn(BuiltinID))
       FD->addAttr(::new (Context) NoReturnAttr());
+    if (Context.BuiltinInfo.isNoThrow(BuiltinID))
+      FD->addAttr(::new (Context) NoThrowAttr());
+    if (Context.BuiltinInfo.isConst(BuiltinID))
+      FD->addAttr(::new (Context) ConstAttr());
   }
 
   IdentifierInfo *Name = FD->getIdentifier();