1 ; RUN: opt -mtriple=amdgcn-- -analyze -divergence -use-gpu-divergence-analysis %s | FileCheck %s
3 ; CHECK-LABEL: 'test1':
4 ; CHECK-NEXT: DIVERGENT: i32 %bound
5 ; CHECK: {{^ *}}%counter =
6 ; CHECK-NEXT: DIVERGENT: %break = icmp sge i32 %counter, %bound
7 ; CHECK-NEXT: DIVERGENT: br i1 %break, label %footer, label %body
8 ; CHECK: {{^ *}}%counter.next =
9 ; CHECK: {{^ *}}%counter.footer =
10 ; CHECK: DIVERGENT: br i1 %break, label %end, label %header
11 ; Note: %counter is not divergent!
12 define amdgpu_ps void @test1(i32 %bound) {
17 %counter = phi i32 [ 0, %entry ], [ %counter.footer, %footer ]
18 %break = icmp sge i32 %counter, %bound
19 br i1 %break, label %footer, label %body
22 %counter.next = add i32 %counter, 1
26 %counter.footer = phi i32 [ %counter.next, %body ], [ undef, %header ]
27 br i1 %break, label %end, label %header