1 ; RUN: opt < %s -reassociate -S | FileCheck %s 2 3 define float @test1(float %A) { 4 ; CHECK-LABEL: test1 5 ; CHECK-NEXT: %X = fadd float %A, 1.000000e+00 6 ; CHECK-NEXT: %Y = fadd float %A, 1.000000e+00 7 ; CHECK-NEXT: %r = fsub float %X, %Y 8 ; CHECK-NEXT: ret float %r 9 10 %X = fadd float %A, 1.000000e+00 11 %Y = fadd float %A, 1.000000e+00 12 %r = fsub float %X, %Y 13 ret float %r 14 } 15 16 define float @test2(float %A) { 17 ; CHECK-LABEL: test2 18 ; CHECK-NEXT: ret float 0.000000e+00 19 20 %X = fadd fast float 1.000000e+00, %A 21 %Y = fadd fast float 1.000000e+00, %A 22 %r = fsub fast float %X, %Y 23 ret float %r 24 } 25
