1 ; RUN: opt -instcombine -S < %s | FileCheck %s 2 3 ; CHECK: @foo1 4 define float @foo1(float %a) #0 { 5 ; CHECK-NOT: xor 6 %b = fcmp ogt float %a, 0.000000e+00 7 %c = select i1 %b, float %a, float 0.000000e+00 8 %d = fcmp olt float %c, 1.000000e+00 9 %f = select i1 %d, float %c, float 1.000000e+00 10 ret float %f 11 } 12 13 ; CHECK: @foo2 14 define float @foo2(float %a) #0 { 15 ; CHECK-NOT: xor 16 %b = fcmp ogt float %a, 0.000000e+00 17 %c = select i1 %b, float %a, float 0.000000e+00 18 %d = fcmp olt float %c, 1.000000e+00 19 %e = select i1 %b, float %a, float 0.000000e+00 20 %f = select i1 %d, float %e, float 1.000000e+00 21 ret float %f 22 } 23 24 attributes #0 = { nounwind readnone ssp uwtable } 25