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# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s
# Designed to provoke calling SIInstrInfo::insertBranch in wave32 mode
# The implicit $vcc operand should be $vcc_lo in this case
...
# CHECK-LABEL: bb.1:
# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo
name: _amdgpu_cs_main
body: |
bb.0:
$vgpr1 = V_MOV_B32_e32 1050, implicit $exec
$sgpr0 = S_MOV_B32 1123418112
bb.1:
$vgpr0 = COPY killed $vgpr1, implicit $exec
V_CMP_GT_U32_e32 5, $vgpr1, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
$vcc_lo = S_AND_B32 $exec_lo, $vcc_lo, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo, implicit $vcc
S_BRANCH %bb.2
bb.2:
$sgpr1 = COPY $sgpr0
S_BRANCH %bb.1
...
# CHECK-LABEL: bb.1:
# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo
---
name: _amdgpu_cs_main_undef
body: |
bb.0:
$vgpr1 = V_MOV_B32_e32 1050, implicit $exec
$sgpr0 = S_MOV_B32 1123418112
bb.1:
$vgpr0 = COPY killed $vgpr1, implicit $exec
S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo, implicit undef $vcc
S_BRANCH %bb.2
bb.2:
$sgpr1 = COPY $sgpr0
S_BRANCH %bb.1
...
|
