| Jingyue Wu | 5e34ce3 | 2015-06-25 20:14:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instcombine -S | FileCheck %s |
| 2 | |
| 3 | ; InstCombine should preserve the call to @llvm.assume. |
| 4 | define i32 @icmp(i32 %a, i32 %b) { |
| 5 | ; CHECK-LABEL: @icmp( |
| 6 | %sum = add i32 %a, %b |
| 7 | %1 = icmp sge i32 %sum, 0 |
| 8 | call void @llvm.assume(i1 %1) |
| 9 | ; CHECK: call void @llvm.assume |
| 10 | ret i32 %sum |
| 11 | } |
| 12 | |
| 13 | define float @fcmp(float %a, float %b) { |
| 14 | ; CHECK-LABEL: @fcmp( |
| 15 | %sum = fadd float %a, %b |
| 16 | %1 = fcmp oge float %sum, 0.0 |
| 17 | call void @llvm.assume(i1 %1) |
| 18 | ; CHECK: call void @llvm.assume |
| 19 | ret float %sum |
| 20 | } |
| 21 | |
| 22 | declare void @llvm.assume(i1) |