1; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
3
4; SILowerI1Copies was not handling IMPLICIT_DEF
5; SI-LABEL: {{^}}br_implicit_def:
6; SI: BB#0:
7; SI-NEXT: s_and_saveexec_b64
8; SI-NEXT: s_xor_b64
9; SI-NEXT: BB#1:
10define void @br_implicit_def(i32 addrspace(1)* %out, i32 %arg) #0 {
11bb:
12  br i1 undef, label %bb1, label %bb2
13
14bb1:
15  store volatile i32 123, i32 addrspace(1)* %out
16  ret void
17
18bb2:
19  ret void
20}
21
22attributes #0 = { nounwind }
23