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    $vcc_hi = IMPLICIT_DEF
16  bb.1:
17    $vgpr0 = COPY killed $vgpr1, implicit $exec
18    V_CMP_GT_U32_e32 5, $vgpr1, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
19    $vcc_lo = S_AND_B32 $exec_lo, $vcc_lo, implicit-def dead $scc
20    S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo, implicit $vcc
21    S_BRANCH %bb.2
22
23  bb.2:
24    $sgpr1 = COPY $sgpr0
25    S_BRANCH %bb.1
26
27...
28
29# CHECK-LABEL: bb.1:
30# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo
31---
32name:            _amdgpu_cs_main_undef
33body:             |
34  bb.0:
35    $vgpr1 = V_MOV_B32_e32 1050, implicit $exec
36    $sgpr0 = S_MOV_B32 1123418112
37    $vcc_hi = IMPLICIT_DEF
38  bb.1:
39    $vgpr0 = COPY killed $vgpr1, implicit $exec
40    S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo, implicit undef $vcc
41    S_BRANCH %bb.2
42
43  bb.2:
44    $sgpr1 = COPY $sgpr0
45    S_BRANCH %bb.1
46
47...
48