1; RUN: llc < %s -fast-isel -fast-isel-abort -mtriple=x86_64-apple-darwin10 | FileCheck %s
2; RUN: llc < %s -fast-isel -march=x86 -mattr=+sse2 | FileCheck --check-prefix=SSE2 %s
3
4; SSE2: xor
5; SSE2: xor
6; SSE2-NOT: xor
7
8; CHECK-LABEL: doo:
9; CHECK: xor
10define double @doo(double %x) nounwind {
11  %y = fsub double -0.0, %x
12  ret double %y
13}
14
15; CHECK-LABEL: foo:
16; CHECK: xor
17define float @foo(float %x) nounwind {
18  %y = fsub float -0.0, %x
19  ret float %y
20}
21