insert-skips-gws.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass si-insert-skips -amdgpu-skip-threshold-legacy=1 -verify-machineinstrs %s -o - | FileCheck %s
# Make sure mandatory skips are inserted to ensure GWS ops aren't run with exec = 0
---
name: skip_gws_init
body: |
; CHECK-LABEL: name: skip_gws_init
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK: SI_MASK_BRANCH %bb.2, implicit $exec
; CHECK: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK: bb.1:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK: DS_GWS_INIT $vgpr0, 0, 1, implicit $m0, implicit $exec
; CHECK: bb.2:
; CHECK: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
SI_MASK_BRANCH %bb.2, implicit $exec
bb.1:
successors: %bb.2
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
DS_GWS_INIT $vgpr0, 0, 1, implicit $m0, implicit $exec
bb.2:
S_ENDPGM 0
...
---
name: skip_gws_barrier
body: |
; CHECK-LABEL: name: skip_gws_barrier
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK: SI_MASK_BRANCH %bb.2, implicit $exec
; CHECK: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK: bb.1:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK: DS_GWS_BARRIER $vgpr0, 0, 1, implicit $m0, implicit $exec
; CHECK: bb.2:
; CHECK: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
SI_MASK_BRANCH %bb.2, implicit $exec
bb.1:
successors: %bb.2
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
DS_GWS_BARRIER $vgpr0, 0, 1, implicit $m0, implicit $exec
bb.2:
S_ENDPGM 0
...