1; RUN: opt -mtriple=amdgcn-- -enable-new-pm=0 -analyze -divergence -use-gpu-divergence-analysis %s | FileCheck %s
2; RUN: opt -mtriple amdgcn-- -passes='print<divergence>' -disable-output %s 2>&1 | FileCheck %s
3
4; CHECK-LABEL: 'test1':
5; CHECK-NEXT: DIVERGENT: i32 %bound
6; CHECK: {{^  *}}%counter =
7; CHECK-NEXT: DIVERGENT: %break = icmp sge i32 %counter, %bound
8; CHECK-NEXT: DIVERGENT: br i1 %break, label %footer, label %body
9; CHECK: {{^  *}}%counter.next =
10; CHECK: {{^  *}}%counter.footer =
11; CHECK: DIVERGENT: br i1 %break, label %end, label %header
12; Note: %counter is not divergent!
13define amdgpu_ps void @test1(i32 %bound) {
14entry:
15  br label %header
16
17header:
18  %counter = phi i32 [ 0, %entry ], [ %counter.footer, %footer ]
19  %break = icmp sge i32 %counter, %bound
20  br i1 %break, label %footer, label %body
21
22body:
23  %counter.next = add i32 %counter, 1
24  br label %footer
25
26footer:
27  %counter.footer = phi i32 [ %counter.next, %body ], [ undef, %header ]
28  br i1 %break, label %end, label %header
29
30end:
31  ret void
32}
33