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