33 lines
981 B
YAML
33 lines
981 B
YAML
# RUN: llc -o - %s -march=amdgcn -mcpu=fiji -run-pass=si-insert-skips -verify-machineinstrs | FileCheck -check-prefix=GCN %s
|
|
|
|
# GCN-LABEL: readlane_exec0
|
|
# GCN: bb.0
|
|
# GCN: S_CBRANCH_EXECZ %bb.2
|
|
|
|
---
|
|
name: readlane_exec0
|
|
|
|
body: |
|
|
bb.0:
|
|
successors: %bb.1, %bb.2
|
|
liveins: $vgpr1_vgpr2:0x00000001, $vgpr2_vgpr3:0x00000003
|
|
|
|
$vgpr4 = V_AND_B32_e32 1, $vgpr1, implicit $exec
|
|
V_CMP_EQ_U32_e32 1, killed $vgpr4, implicit-def $vcc, implicit $exec
|
|
$sgpr0_sgpr1 = S_AND_SAVEEXEC_B64 killed $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
|
|
SI_MASK_BRANCH %bb.2, implicit $exec
|
|
S_BRANCH %bb.1
|
|
|
|
bb.1:
|
|
|
|
$sgpr10 = V_READFIRSTLANE_B32 $vgpr2, implicit $exec
|
|
$sgpr11 = V_READFIRSTLANE_B32 $vgpr3, implicit $exec
|
|
$sgpr10 = S_LOAD_DWORD_IMM killed $sgpr10_sgpr11, 0, 0, 0
|
|
S_WAITCNT 127
|
|
$vgpr0 = V_XOR_B32_e32 killed $sgpr10, killed $vgpr0, implicit $exec
|
|
|
|
bb.2:
|
|
|
|
$exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc
|
|
...
|