| ; RUN: opt < %s -reassociate -S | FileCheck %s |
| |
| define float @test1(float %A) { |
| ; CHECK-LABEL: test1 |
| ; CHECK-NEXT: %X = fadd float %A, 1.000000e+00 |
| ; CHECK-NEXT: %Y = fadd float %A, 1.000000e+00 |
| ; CHECK-NEXT: %r = fsub float %X, %Y |
| ; CHECK-NEXT: ret float %r |
| |
| %X = fadd float %A, 1.000000e+00 |
| %Y = fadd float %A, 1.000000e+00 |
| %r = fsub float %X, %Y |
| ret float %r |
| } |
| |
| define float @test2(float %A) { |
| ; CHECK-LABEL: test2 |
| ; CHECK-NEXT: ret float 0.000000e+00 |
| |
| %X = fadd fast float 1.000000e+00, %A |
| %Y = fadd fast float 1.000000e+00, %A |
| %r = fsub fast float %X, %Y |
| ret float %r |
| } |