derek.holloway
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44 lines
1.6 KiB
YAML
44 lines
1.6 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=liveintervals,virtregmap,si-lower-wwm-copies -o - %s | FileCheck %s
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -passes="require<live-intervals>,require<virtregmap>,si-lower-wwm-copies" -o - %s | FileCheck %s
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# Check for two cases of $scc being live and dead.
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---
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name: lower-wwm-copies
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registers:
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- { id: 1, class: vgpr_32, flags: [ WWM_REG ]}
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machineFunctionInfo:
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sgprForEXECCopy: '$sgpr2_sgpr3'
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: lower-wwm-copies
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: liveins: $vgpr0, $scc
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: $sgpr0 = IMPLICIT_DEF
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; CHECK-NEXT: S_CMP_EQ_U32 $sgpr0, 0, implicit-def $scc
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; CHECK-NEXT: $sgpr2_sgpr3 = S_MOV_B64 killed $exec
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; CHECK-NEXT: $exec = S_MOV_B64 -1
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; CHECK-NEXT: $vgpr1 = COPY $vgpr0
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; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr2_sgpr3
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; CHECK-NEXT: S_CBRANCH_SCC1 %bb.1, implicit $scc
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: liveins: $vgpr1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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; CHECK-NEXT: $vgpr2 = COPY $vgpr1
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; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr2_sgpr3
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bb.0:
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liveins: $vgpr0, $scc
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$sgpr0 = IMPLICIT_DEF
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S_CMP_EQ_U32 $sgpr0, 0, implicit-def $scc
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$vgpr1 = WWM_COPY $vgpr0
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S_CBRANCH_SCC1 %bb.1, implicit killed $scc
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bb.1:
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liveins: $vgpr1
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$vgpr2 = WWM_COPY $vgpr1
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