diff options
Diffstat (limited to 'lib/CodeGen/CGBuiltin.cpp')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 9ba5f71f3c..bfb6be8b79 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -271,6 +271,11 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, return RValue::get(Builder.CreateZExt(LHS, ConvertType(E->getType()), "tmp")); } + case Builtin::BI__builtin_isnan: { + Value *V = EmitScalarExpr(E->getArg(0)); + V = Builder.CreateFCmpUNO(V, V, "cmp"); + return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType()), "tmp")); + } case Builtin::BIalloca: case Builtin::BI__builtin_alloca: { // FIXME: LLVM IR Should allow alloca with an i64 size! |