| Owen Anderson | 883b5ad | 2014-02-12 23:54:07 +0000 | [diff] [blame] | 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 } |