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|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=register-coalescer -o - %s | FileCheck %s
# This used to assert due to trying to rematerialize V_MOV_B64_PSEUDO
# at copy to $vgpr1. This would assert since this would clobber the
# live value in $vgpr0.
---
name: rematerialize_physreg_sub_def_already_live_at_def_assert
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: rematerialize_physreg_sub_def_already_live_at_def_assert
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: $vgpr1 = COPY [[V_MOV_B]].sub1
; CHECK-NEXT: SI_RETURN implicit $vgpr0, implicit killed $vgpr1
%0:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec
%1:vgpr_32 = COPY %0.sub1
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
$vgpr1 = COPY %1
SI_RETURN implicit $vgpr0, implicit killed $vgpr1
...
# Same as previous, except with an IMPLICIT_DEF
---
name: rematerialize_physreg_sub_def_already_live_at_def_assert_implicit_def
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: rematerialize_physreg_sub_def_already_live_at_def_assert_implicit_def
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: $vgpr1 = COPY [[DEF]].sub1
; CHECK-NEXT: SI_RETURN implicit $vgpr0, implicit killed $vgpr1
%0:vreg_64 = IMPLICIT_DEF
%1:vgpr_32 = COPY %0.sub1
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
$vgpr1 = COPY %1
SI_RETURN implicit $vgpr0, implicit killed $vgpr1
...
---
name: rematerialize_physreg_sub_def_no_live_sub_def_0
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: rematerialize_physreg_sub_def_no_live_sub_def_0
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: dead $vgpr0_vgpr1 = V_MOV_B64_PSEUDO 1, implicit $exec, implicit-def $vgpr1
; CHECK-NEXT: SI_RETURN implicit killed $vgpr1
%0:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec
%1:vgpr_32 = COPY %0.sub1
$vgpr1 = COPY %1
SI_RETURN implicit killed $vgpr1
...
---
name: rematerialize_physreg_sub_def_no_live_sub_def_1
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: rematerialize_physreg_sub_def_no_live_sub_def_1
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: dead $vgpr1_vgpr2 = V_MOV_B64_PSEUDO 1, implicit $exec, implicit-def $vgpr1
; CHECK-NEXT: SI_RETURN implicit killed $vgpr1
%0:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec
%1:vgpr_32 = COPY %0.sub0
$vgpr1 = COPY %1
SI_RETURN implicit killed $vgpr1
...
|
