1# RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s
2
3# Designed to provoke calling SIInstrInfo::insertBranch in wave32 mode
4# The implicit $vcc operand should be $vcc_lo in this case
5
6...
7# CHECK-LABEL: bb.1:
8# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo
9
10name:            _amdgpu_cs_main
11body:             |
12  bb.0:
13    $vgpr1 = V_MOV_B32_e32 1050, implicit $exec
14    $sgpr0 = S_MOV_B32 1123418112
15  bb.1:
16    $vgpr0 = COPY killed $vgpr1, implicit $exec
17    V_CMP_GT_U32_e32 5, $vgpr1, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
18    $vcc_lo = S_AND_B32 $exec_lo, $vcc_lo, implicit-def dead $scc
19    S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo, implicit $vcc
20    S_BRANCH %bb.2
21
22  bb.2:
23    $sgpr1 = COPY $sgpr0
24    S_BRANCH %bb.1
25
26...
27
28# CHECK-LABEL: bb.1:
29# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo
30---
31name:            _amdgpu_cs_main_undef
32body:             |
33  bb.0:
34    $vgpr1 = V_MOV_B32_e32 1050, implicit $exec
35    $sgpr0 = S_MOV_B32 1123418112
36  bb.1:
37    $vgpr0 = COPY killed $vgpr1, implicit $exec
38    S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo, implicit undef $vcc
39    S_BRANCH %bb.2
40
41  bb.2:
42    $sgpr1 = COPY $sgpr0
43    S_BRANCH %bb.1
44
45...
46