1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-- -mattr=+sse2 -enable-unsafe-fp-math | FileCheck %s 3 4; Don't fold the incoming stack arguments into the xorps instructions used 5; to do floating-point negations, because the arguments aren't vectors 6; and aren't vector-aligned. 7 8define void @foo(float* %p, float* %q, float %s, float %y) { 9; CHECK-LABEL: foo: 10; CHECK: # %bb.0: 11; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 12; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx 13; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero 14; CHECK-NEXT: movaps {{.*#+}} xmm1 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0] 15; CHECK-NEXT: xorps %xmm1, %xmm0 16; CHECK-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero 17; CHECK-NEXT: xorps %xmm1, %xmm2 18; CHECK-NEXT: movss %xmm0, (%ecx) 19; CHECK-NEXT: movss %xmm2, (%eax) 20; CHECK-NEXT: retl 21 %ss = fsub float -0.0, %s 22 %yy = fsub float -0.0, %y 23 store float %ss, float* %p 24 store float %yy, float* %q 25 ret void 26} 27