69 lines
4.1 KiB
Plaintext
69 lines
4.1 KiB
Plaintext
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -start-before=greedy -stop-after=virtregrewriter -verify-machineinstrs -o - %s | FileCheck %s
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# The undef copy of %4 is allocated to $vgpr3, and the identity copy
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# was deleted, and $vgpr3 was considered undef. The code to replace
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# the undef copy with a kill was incorrectly checking the dest
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# operand, rather than the source.
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--- |
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define amdgpu_kernel void @undef_identity_copy() {
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ret void
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}
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declare hidden float @bar(<4 x float>)
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declare hidden void @foo()
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...
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---
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name: undef_identity_copy
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tracksRegLiveness: true
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frameInfo:
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maxAlignment: 4
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hasCalls: true
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machineFunctionInfo:
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isEntryFunction: true
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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frameOffsetReg: '$sgpr95'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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bb.0:
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; CHECK-LABEL: name: undef_identity_copy
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; CHECK: renamable $vgpr40_vgpr41_vgpr42_vgpr43 = FLAT_LOAD_DWORDX4 undef renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 16, addrspace 1)
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; CHECK: 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 $scc
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; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95
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; CHECK: $sgpr4 = COPY $sgpr95
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; CHECK: dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr6_sgpr7, @foo, csr_amdgpu_highregs, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr4
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; CHECK: ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95
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; CHECK: 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 $scc
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; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95
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; CHECK: $sgpr4 = COPY $sgpr95
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; CHECK: $vgpr0 = COPY renamable $vgpr40
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; CHECK: $vgpr1 = COPY renamable $vgpr41
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; CHECK: $vgpr2 = COPY renamable $vgpr42
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; CHECK: $vgpr3 = KILL undef renamable $vgpr3
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; CHECK: dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr6_sgpr7, @bar, csr_amdgpu_highregs, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr4, implicit $vgpr0, implicit killed $vgpr1, implicit killed $vgpr2, implicit killed $vgpr3, implicit-def $vgpr0
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; CHECK: ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95
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; CHECK: FLAT_STORE_DWORD undef renamable $vgpr0_vgpr1, killed renamable $vgpr0, 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
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; CHECK: S_ENDPGM 0
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%0:vreg_128 = FLAT_LOAD_DWORDX4 undef %1:vreg_64, 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 16, addrspace 1)
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%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 $scc
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ADJCALLSTACKUP 0, 0, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95, implicit-def $scc
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$sgpr4 = COPY $sgpr95
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dead $sgpr30_sgpr31 = SI_CALL %2, @foo, csr_amdgpu_highregs, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr4
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ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95
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%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 $scc
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ADJCALLSTACKUP 0, 0, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95
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$sgpr4 = COPY $sgpr95
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$vgpr0 = COPY %0.sub0
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$vgpr1 = COPY %0.sub1
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$vgpr2 = COPY %0.sub2
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$vgpr3 = COPY undef %4:vgpr_32
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dead $sgpr30_sgpr31 = SI_CALL %3, @bar, csr_amdgpu_highregs, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr4, implicit $vgpr0, implicit killed $vgpr1, implicit killed $vgpr2, implicit killed $vgpr3, implicit-def $vgpr0
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%5:vgpr_32 = COPY $vgpr0
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ADJCALLSTACKDOWN 0, 4, implicit-def $scc, implicit-def $sgpr32, implicit $sgpr32, implicit $sgpr95
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FLAT_STORE_DWORD undef %6:vreg_64, %5, 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
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S_ENDPGM 0
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...
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