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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/si-fold-operands-commute-same-operands-assert.mir
derek.holloway 7502bf64a4
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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=fiji -run-pass=peephole-opt,si-fold-operands -o - %s | FileCheck %s
# Check for assert when trying later folds after commuting an
# instruction where both operands are the same register. This depended
# on use list ordering, so we need to run peephole-opt first to
# reproduce.
---
name: commute_add_same_inputs_assert
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
; CHECK-LABEL: name: commute_add_same_inputs_assert
; CHECK: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[V_ADD_CO_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_CO_U32_e32 0, killed [[COPY]], implicit-def $vcc, implicit $exec
; CHECK-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: [[V_ADDC_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADDC_U32_e32 0, [[V_MOV_B32_e32_]], implicit-def $vcc, implicit $vcc, implicit $exec
; CHECK-NEXT: $vgpr4 = COPY [[V_ADDC_U32_e32_]]
; CHECK-NEXT: SI_RETURN implicit $vgpr4
%0:vgpr_32 = COPY $vgpr0
%1:sreg_64 = S_MOV_B64 0
%2:sreg_32 = COPY %1.sub0
%3:vgpr_32 = V_ADD_CO_U32_e32 %2, killed %0, implicit-def $vcc, implicit $exec
%4:vgpr_32 = COPY %2
%5:vgpr_32 = COPY %2
%6:vgpr_32 = V_ADDC_U32_e32 %4, %5, implicit-def $vcc, implicit $vcc, implicit $exec
$vgpr4 = COPY %6
SI_RETURN implicit $vgpr4
...
---
name: commute_sub_same_inputs_assert
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
; CHECK-LABEL: name: commute_sub_same_inputs_assert
; CHECK: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[V_SUB_CO_U32_e32_:%[0-9]+]]:vgpr_32 = V_SUB_CO_U32_e32 0, killed [[COPY]], implicit-def $vcc, implicit $exec
; CHECK-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: [[V_SUBB_U32_e32_:%[0-9]+]]:vgpr_32 = V_SUBB_U32_e32 0, [[V_MOV_B32_e32_]], implicit-def $vcc, implicit $vcc, implicit $exec
; CHECK-NEXT: $vgpr4 = COPY [[V_SUBB_U32_e32_]]
; CHECK-NEXT: SI_RETURN implicit $vgpr4
%0:vgpr_32 = COPY $vgpr0
%1:sreg_64 = S_MOV_B64 0
%2:sreg_32 = COPY %1.sub0
%3:vgpr_32 = V_SUB_CO_U32_e32 %2, killed %0, implicit-def $vcc, implicit $exec
%4:vgpr_32 = COPY %2
%5:vgpr_32 = COPY %2
%6:vgpr_32 = V_SUBB_U32_e32 %5, %4, implicit-def $vcc, implicit $vcc, implicit $exec
$vgpr4 = COPY %6
SI_RETURN implicit $vgpr4
...