remove-short-exec-branches-gpr-idx-mode.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-remove-short-exec-branches -amdgpu-skip-threshold=10 -verify-machineinstrs %s -o - | FileCheck %s
# Make sure mandatory skips are not removed around mode defs.
# FIXME: -amdgpu-skip-threshold seems to be backwards.
---
name: need_skip_gpr_idx_mode
body: |
; CHECK-LABEL: name: need_skip_gpr_idx_mode
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; 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: S_SET_GPR_IDX_MODE 0, implicit-def $mode, implicit-def $m0, implicit $mode, implicit $m0
; CHECK: bb.2:
; CHECK: S_ENDPGM 0
bb.0:
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_SET_GPR_IDX_MODE 0, implicit-def $mode, implicit-def $m0, implicit $mode, implicit $m0
bb.2:
S_ENDPGM 0
...
---
name: need_skip_gpr_idx_on
body: |
; CHECK-LABEL: name: need_skip_gpr_idx_on
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; 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: S_SET_GPR_IDX_ON $sgpr0, 0, implicit-def $mode, implicit-def $m0, implicit $mode, implicit $m0
; CHECK: bb.2:
; CHECK: S_ENDPGM 0
bb.0:
liveins: $sgpr0
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
liveins: $sgpr0
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_SET_GPR_IDX_ON $sgpr0, 0, implicit-def $mode, implicit-def $m0, implicit $mode, implicit $m0
bb.2:
S_ENDPGM 0
...
---
name: need_skip_gpr_idx_off
body: |
; CHECK-LABEL: name: need_skip_gpr_idx_off
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; 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: S_SET_GPR_IDX_OFF implicit-def $mode, implicit $mode
; CHECK: bb.2:
; CHECK: S_ENDPGM 0
bb.0:
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_SET_GPR_IDX_OFF implicit-def $mode, implicit $mode
bb.2:
S_ENDPGM 0
...
---
name: need_skip_gpr_idx_idx
body: |
; CHECK-LABEL: name: need_skip_gpr_idx_idx
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; 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: S_SET_GPR_IDX_IDX $sgpr0, implicit-def $mode, implicit-def $m0, implicit $mode, implicit $m0
; CHECK: bb.2:
; CHECK: S_ENDPGM 0
bb.0:
liveins: $sgpr0
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
liveins: $sgpr0
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_SET_GPR_IDX_IDX $sgpr0, implicit-def $mode, implicit-def $m0, implicit $mode, implicit $m0
bb.2:
S_ENDPGM 0
...