blob: ee4167e90ae5037f6b439a0e52beba1af3788d13 [file] [log] [blame]
; RUN: opt -mtriple amdgcn-unknown-amdhsa -enable-new-pm=0 -analyze -divergence -use-gpu-divergence-analysis %s | FileCheck %s
; RUN: opt -mtriple amdgcn-unknown-amdhsa -passes='print<divergence>' -disable-output %s 2>&1 | FileCheck %s
; CHECK: bb2:
; CHECK-NOT: DIVERGENT: %Guard.bb2 = phi i1 [ true, %bb1 ], [ false, %bb0 ]
; Function Attrs: nounwind readnone speculatable
declare i32 @llvm.amdgcn.workitem.id.x() #0
define protected amdgpu_kernel void @test2(i1 %uni) {
bb0:
%tid.x = call i32 @llvm.amdgcn.workitem.id.x()
%i5 = icmp eq i32 %tid.x, -1
br i1 %uni, label %bb1, label %bb2
bb1: ; preds = %bb2, %bb0
%lsr.iv = phi i32 [ 7, %bb0 ], [ %lsr.iv.next, %bb1 ]
%lsr.iv.next = add nsw i32 %lsr.iv, -1
br i1 %i5, label %bb2, label %bb1
bb2: ; preds = %bb2, %bb1
%Guard.bb2 = phi i1 [ true, %bb1 ], [ false, %bb0 ]
ret void
}
attributes #0 = { nounwind readnone speculatable }