1; REQUIRES: amdgpu-registered-target 2; RUN: opt -S -passes=speculative-execution -mtriple=amdgcn-- \ 3; RUN: -spec-exec-only-if-divergent-target \ 4; RUN: -spec-exec-max-speculation-cost 4 -spec-exec-max-not-hoisted 3 \ 5; RUN: %s | FileCheck %s 6 7; Hoist in if-then pattern. 8define void @skip_single_lane_ifThen() #0 { 9; CHECK-LABEL: @skip_single_lane_ifThen( 10; CHECK: br i1 true 11 12br i1 true, label %a, label %b 13; CHECK: a: 14; CHECK: %x = add i32 2, 3 15a: 16 %x = add i32 2, 3 17; CHECK: br label 18 br label %b 19; CHECK: b: 20b: 21; CHECK: ret void 22 ret void 23} 24 25attributes #0 = { "amdgpu-flat-work-group-size"="1,1" } 26