| ; REQUIRES: amdgpu-registered-target |
| ; RUN: opt -S -passes=speculative-execution -mtriple=amdgcn-- \ |
| ; RUN: -spec-exec-only-if-divergent-target \ |
| ; RUN: -spec-exec-max-speculation-cost 4 -spec-exec-max-not-hoisted 3 \ |
| ; RUN: %s | FileCheck %s |
| |
| ; Hoist in if-then pattern. |
| define void @skip_single_lane_ifThen() #0 { |
| ; CHECK-LABEL: @skip_single_lane_ifThen( |
| ; CHECK: br i1 true |
| |
| br i1 true, label %a, label %b |
| ; CHECK: a: |
| ; CHECK: %x = add i32 2, 3 |
| a: |
| %x = add i32 2, 3 |
| ; CHECK: br label |
| br label %b |
| ; CHECK: b: |
| b: |
| ; CHECK: ret void |
| ret void |
| } |
| |
| attributes #0 = { "amdgpu-flat-work-group-size"="1,1" } |
