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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -mtriple=amdgcn-amd-amdhsa -start-before=greedy,0 -stop-after=virtregrewriter,1 -verify-machineinstrs -o - %s | FileCheck %s3 4# The undef copy of %4 is allocated to $vgpr3, and the identity copy5# was deleted, and $vgpr3 was considered undef. The code to replace6# the undef copy with a kill was incorrectly checking the dest7# operand, rather than the source.8 9--- |10 define amdgpu_kernel void @undef_identity_copy() {11 ret void12 }13 14 declare hidden float @bar(<4 x float>)15 declare hidden void @foo()16 17...18---19name: undef_identity_copy20tracksRegLiveness: true21frameInfo:22 maxAlignment: 423 adjustsStack: true24 hasCalls: true25machineFunctionInfo:26 isEntryFunction: true27 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'28 frameOffsetReg: '$sgpr95'29 stackPtrOffsetReg: '$sgpr32'30body: |31 bb.0:32 ; CHECK-LABEL: name: undef_identity_copy33 ; CHECK: [[FLAT_LOAD_DWORDX4_:%[0-9]+]]:vreg_128 = FLAT_LOAD_DWORDX4 undef %1:vreg_64, 0, 0, implicit $exec, implicit $flat_scr :: (load (s128), addrspace 1)34 ; CHECK-NEXT: renamable $sgpr6_sgpr7 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-rel32-lo) @foo + 4, target-flags(amdgpu-rel32-hi) @foo + 4, implicit-def dead $scc35 ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95, implicit-def $scc36 ; CHECK-NEXT: $sgpr4 = COPY $sgpr9537 ; CHECK-NEXT: dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr6_sgpr7, @foo, csr_amdgpu, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr438 ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr9539 ; CHECK-NEXT: renamable $sgpr6_sgpr7 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-rel32-lo) @bar + 4, target-flags(amdgpu-rel32-hi) @bar + 4, implicit-def dead $scc40 ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr9541 ; CHECK-NEXT: $sgpr4 = COPY $sgpr9542 ; CHECK-NEXT: $vgpr0 = COPY [[FLAT_LOAD_DWORDX4_]].sub043 ; CHECK-NEXT: $vgpr1 = COPY [[FLAT_LOAD_DWORDX4_]].sub144 ; CHECK-NEXT: $vgpr2 = COPY [[FLAT_LOAD_DWORDX4_]].sub245 ; CHECK-NEXT: $vgpr3 = COPY undef %4:vgpr_3246 ; CHECK-NEXT: dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr6_sgpr7, @bar, csr_amdgpu, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr4, implicit $vgpr0, implicit killed $vgpr1, implicit killed $vgpr2, implicit killed $vgpr3, implicit-def $vgpr047 ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr048 ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr9549 ; CHECK-NEXT: FLAT_STORE_DWORD undef %6:vreg_64, [[COPY]], 0, 0, implicit $exec, implicit $flat_scr :: (store (s32), addrspace 1)50 ; CHECK-NEXT: S_ENDPGM 051 %0:vreg_128 = FLAT_LOAD_DWORDX4 undef %1:vreg_64, 0, 0, implicit $exec, implicit $flat_scr :: (load (s128), addrspace 1)52 %2:sreg_64 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-rel32-lo) @foo + 4, target-flags(amdgpu-rel32-hi) @foo + 4, implicit-def dead $scc53 ADJCALLSTACKUP 0, 0, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95, implicit-def $scc54 $sgpr4 = COPY $sgpr9555 dead $sgpr30_sgpr31 = SI_CALL %2, @foo, csr_amdgpu, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr456 ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr9557 %3:sreg_64 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-rel32-lo) @bar + 4, target-flags(amdgpu-rel32-hi) @bar + 4, implicit-def dead $scc58 ADJCALLSTACKUP 0, 0, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr9559 $sgpr4 = COPY $sgpr9560 $vgpr0 = COPY %0.sub061 $vgpr1 = COPY %0.sub162 $vgpr2 = COPY %0.sub263 $vgpr3 = COPY undef %4:vgpr_3264 dead $sgpr30_sgpr31 = SI_CALL %3, @bar, csr_amdgpu, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr4, implicit $vgpr0, implicit killed $vgpr1, implicit killed $vgpr2, implicit killed $vgpr3, implicit-def $vgpr065 %5:vgpr_32 = COPY $vgpr066 ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr9567 FLAT_STORE_DWORD undef %6:vreg_64, %5, 0, 0, implicit $exec, implicit $flat_scr :: (store (s32), addrspace 1)68 S_ENDPGM 069 70...71