| ; RUN: llc < %s -O0 -mtriple=x86_64-apple-darwin10 | FileCheck %s |
| |
| ; Test if we do not fold the cmp into select if the instructions are in |
| ; different basic blocks. |
| |
| define i32 @select_cmp_cmov_i32(i32 %a, i32 %b) { |
| ; CHECK-LABEL: select_cmp_cmov_i32: |
| ; CHECK-LABEL: continue |
| ; CHECK-NOT: cmp{{[^_]}} |
| %1 = icmp ult i32 %a, %b |
| br i1 %1, label %continue, label %exit |
| |
| continue: |
| %2 = select i1 %1, i32 %a, i32 %b |
| ret i32 %2 |
| |
| exit: |
| ret i32 -1 |
| } |
| |
| define float @select_fcmp_oeq_f32(float %a, float %b, float %c, float %d) { |
| ; CHECK-LABEL: select_fcmp_oeq_f32: |
| ; CHECK-LABEL: continue |
| ; CHECK-NOT: cmp{{[^_]}} |
| %1 = fcmp oeq float %a, %b |
| br i1 %1, label %continue, label %exit |
| |
| continue: |
| %2 = select i1 %1, float %c, float %d |
| ret float %2 |
| |
| exit: |
| ret float -1.0 |
| } |
| |
| define float @select_fcmp_one_f32(float %a, float %b, float %c, float %d) { |
| ; CHECK-LABEL: select_fcmp_one_f32: |
| ; CHECK-LABEL: continue |
| ; CHECK-NOT: ucomi |
| %1 = fcmp one float %a, %b |
| br i1 %1, label %continue, label %exit |
| |
| continue: |
| %2 = select i1 %1, float %c, float %d |
| ret float %2 |
| |
| exit: |
| ret float -1.0 |
| } |
| |