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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 52# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=register-coalescer -o - %s | FileCheck %s3 4# This used to assert due to trying to rematerialize V_MOV_B64_PSEUDO5# at copy to $vgpr1. This would assert since this would clobber the6# live value in $vgpr0.7 8---9name: rematerialize_physreg_sub_def_already_live_at_def_assert10tracksRegLiveness: true11body: |12 bb.0:13 liveins: $vgpr014 15 ; CHECK-LABEL: name: rematerialize_physreg_sub_def_already_live_at_def_assert16 ; CHECK: liveins: $vgpr017 ; CHECK-NEXT: {{ $}}18 ; CHECK-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec19 ; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec20 ; CHECK-NEXT: $vgpr1 = COPY [[V_MOV_B]].sub121 ; CHECK-NEXT: SI_RETURN implicit $vgpr0, implicit killed $vgpr122 %0:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec23 %1:vgpr_32 = COPY %0.sub124 $vgpr0 = V_MOV_B32_e32 0, implicit $exec25 $vgpr1 = COPY %126 SI_RETURN implicit $vgpr0, implicit killed $vgpr127...28 29# Same as previous, except with an IMPLICIT_DEF30---31name: rematerialize_physreg_sub_def_already_live_at_def_assert_implicit_def32tracksRegLiveness: true33body: |34 bb.0:35 liveins: $vgpr036 37 ; CHECK-LABEL: name: rematerialize_physreg_sub_def_already_live_at_def_assert_implicit_def38 ; CHECK: liveins: $vgpr039 ; CHECK-NEXT: {{ $}}40 ; CHECK-NEXT: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF41 ; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec42 ; CHECK-NEXT: $vgpr1 = COPY [[DEF]].sub143 ; CHECK-NEXT: SI_RETURN implicit $vgpr0, implicit killed $vgpr144 %0:vreg_64 = IMPLICIT_DEF45 %1:vgpr_32 = COPY %0.sub146 $vgpr0 = V_MOV_B32_e32 0, implicit $exec47 $vgpr1 = COPY %148 SI_RETURN implicit $vgpr0, implicit killed $vgpr149...50 51---52name: rematerialize_physreg_sub_def_no_live_sub_def_053tracksRegLiveness: true54body: |55 bb.0:56 liveins: $vgpr057 58 ; CHECK-LABEL: name: rematerialize_physreg_sub_def_no_live_sub_def_059 ; CHECK: liveins: $vgpr060 ; CHECK-NEXT: {{ $}}61 ; CHECK-NEXT: dead $vgpr0_vgpr1 = V_MOV_B64_PSEUDO 1, implicit $exec, implicit-def $vgpr162 ; CHECK-NEXT: SI_RETURN implicit killed $vgpr163 %0:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec64 %1:vgpr_32 = COPY %0.sub165 $vgpr1 = COPY %166 SI_RETURN implicit killed $vgpr167...68 69---70name: rematerialize_physreg_sub_def_no_live_sub_def_171tracksRegLiveness: true72body: |73 bb.0:74 liveins: $vgpr075 76 ; CHECK-LABEL: name: rematerialize_physreg_sub_def_no_live_sub_def_177 ; CHECK: liveins: $vgpr078 ; CHECK-NEXT: {{ $}}79 ; CHECK-NEXT: dead $vgpr1_vgpr2 = V_MOV_B64_PSEUDO 1, implicit $exec, implicit-def $vgpr180 ; CHECK-NEXT: SI_RETURN implicit killed $vgpr181 %0:vreg_64 = V_MOV_B64_PSEUDO 1, implicit $exec82 %1:vgpr_32 = COPY %0.sub083 $vgpr1 = COPY %184 SI_RETURN implicit killed $vgpr185...86