post-ra-sched-kill-bundle-use-inst.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -run-pass=post-RA-sched -verify-machineinstrs -o - %s | FileCheck %s
# The scheduler was not inspecting the first instruction in the bundle
# when adding kill flags, so it would incorrectly mark the first use
# of $vgpr0 as killed.
---
name: kill_flag_use_first_bundle_inst
tracksRegLiveness: true
machineFunctionInfo:
isEntryFunction: true
body: |
bb.0:
liveins: $sgpr4_sgpr5, $sgpr7
; CHECK-LABEL: name: kill_flag_use_first_bundle_inst
; CHECK: liveins: $sgpr4_sgpr5, $sgpr7
; CHECK: renamable $sgpr0 = S_LOAD_DWORD_IMM killed renamable $sgpr4_sgpr5, 0, 0, 0
; CHECK: $m0 = S_MOV_B32 -1
; CHECK: $vgpr0 = V_MOV_B32_e32 killed $sgpr0, implicit $exec, implicit $exec
; CHECK: BUNDLE implicit $vgpr0, implicit $m0, implicit $exec {
; CHECK: DS_GWS_INIT $vgpr0, 8, -1, implicit $m0, implicit $exec
; CHECK: S_WAITCNT 0
; CHECK: }
; CHECK: BUNDLE implicit killed $vgpr0, implicit $m0, implicit $exec {
; CHECK: DS_GWS_BARRIER killed $vgpr0, 8, -1, implicit $m0, implicit $exec
; CHECK: S_WAITCNT 0
; CHECK: }
renamable $sgpr0 = S_LOAD_DWORD_IMM killed renamable $sgpr4_sgpr5, 0, 0, 0
$m0 = S_MOV_B32 -1
$vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit $exec
BUNDLE implicit $vgpr0, implicit $m0, implicit $exec {
DS_GWS_INIT $vgpr0, 8, -1, implicit $m0, implicit $exec
S_WAITCNT 0
}
BUNDLE implicit killed $vgpr0, implicit $m0, implicit $exec {
DS_GWS_BARRIER $vgpr0, 8, -1, implicit $m0, implicit $exec
S_WAITCNT 0
}
...