// llvm-gcc -O1+ should run simplify libcalls, O0 shouldn't
// and -fno-builtins shouldn't.
-// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep {call.*exp2\\.f64}
-// RUN: %llvmgcc %s -S -emit-llvm -O1 -o - | grep {call.*ldexp}
-// RUN: %llvmgcc %s -S -emit-llvm -O3 -fno-builtin -o - | grep {call.*exp2}
+// -fno-math-errno should emit an llvm intrinsic, -fmath-errno should not.
+// RUN: %llvmgcc %s -S -fno-math-errno -O0 -o - | grep {call.*exp2\\.f64}
+// RUN: %llvmgcc %s -S -fmath-errno -O0 -o - | grep {call.*exp2}
+// RUN: %llvmgcc %s -S -O1 -o - | grep {call.*ldexp}
+// RUN: %llvmgcc %s -S -O3 -fno-builtin -o - | grep {call.*exp2}
double exp2(double);