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; SI-LABEL: {{^}}br_i1_phi:
5; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
6; SI: s_and_saveexec_b64
7; SI: s_xor_b64
8; SI: v_mov_b32_e32 [[REG]], -1{{$}}
9; SI: v_cmp_ne_i32_e32 vcc, 0, [[REG]]
10; SI: s_and_saveexec_b64
11; SI: s_xor_b64
12; SI: s_endpgm
13define void @br_i1_phi(i32 %arg) {
14bb:
15  %tidig = call i32 @llvm.r600.read.tidig.x() #0
16  %cmp = trunc i32 %tidig to i1
17  br i1 %cmp, label %bb2, label %bb3
18
19bb2:                                              ; preds = %bb
20  br label %bb3
21
22bb3:                                              ; preds = %bb2, %bb
23  %tmp = phi i1 [ true, %bb2 ], [ false, %bb ]
24  br i1 %tmp, label %bb4, label %bb6
25
26bb4:                                              ; preds = %bb3
27  %val = load volatile i32, i32 addrspace(1)* undef
28  %tmp5 = mul i32 %val, %arg
29  br label %bb6
30
31bb6:                                              ; preds = %bb4, %bb3
32  ret void
33}
34
35declare i32 @llvm.r600.read.tidig.x() #0
36
37attributes #0 = { readnone }
38