forked from OSchip/llvm-project
72 lines
2.1 KiB
Plaintext
72 lines
2.1 KiB
Plaintext
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# RUN: llc -march=amdgcn -run-pass simple-register-coalescing -o - %s | FileCheck %s
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# Check that coalescer does not create wider register tuple than in source
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# CHECK: - { id: 2, class: vreg_64 }
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# CHECK: - { id: 3, class: vreg_64 }
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# CHECK: - { id: 4, class: vreg_64 }
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# CHECK: - { id: 5, class: vreg_96 }
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# CHECK: - { id: 6, class: vreg_96 }
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# CHECK: - { id: 7, class: vreg_128 }
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# CHECK: - { id: 8, class: vreg_128 }
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# No more registers shall be defined
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# CHECK-NEXT: liveins:
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# CHECK: FLAT_STORE_DWORDX2 %vgpr0_vgpr1, %4,
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# CHECK: FLAT_STORE_DWORDX3 %vgpr0_vgpr1, %6,
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---
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name: main
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alignment: 0
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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tracksRegLiveness: true
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registers:
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- { id: 1, class: sreg_32_xm0, preferred-register: '%1' }
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- { id: 2, class: vreg_64, preferred-register: '%2' }
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- { id: 3, class: vreg_64 }
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- { id: 4, class: vreg_64 }
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- { id: 5, class: vreg_64 }
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- { id: 6, class: vreg_96 }
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- { id: 7, class: vreg_96 }
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- { id: 8, class: vreg_128 }
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- { id: 9, class: vreg_128 }
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liveins:
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- { reg: '%sgpr6', virtual-reg: '%1' }
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 0
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offsetAdjustment: 0
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maxAlignment: 0
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adjustsStack: false
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hasCalls: false
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maxCallFrameSize: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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body: |
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bb.0.entry:
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liveins: %sgpr0, %vgpr0_vgpr1
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%3 = IMPLICIT_DEF
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undef %4.sub0 = COPY %sgpr0
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%4.sub1 = COPY %3.sub0
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undef %5.sub0 = COPY %4.sub1
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%5.sub1 = COPY %4.sub0
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FLAT_STORE_DWORDX2 %vgpr0_vgpr1, killed %5, 0, 0, 0, implicit %exec, implicit %flat_scr
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%6 = IMPLICIT_DEF
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undef %7.sub0_sub1 = COPY %6
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%7.sub2 = COPY %3.sub0
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FLAT_STORE_DWORDX3 %vgpr0_vgpr1, killed %7, 0, 0, 0, implicit %exec, implicit %flat_scr
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%8 = IMPLICIT_DEF
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undef %9.sub0_sub1_sub2 = COPY %8
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%9.sub3 = COPY %3.sub0
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FLAT_STORE_DWORDX4 %vgpr0_vgpr1, killed %9, 0, 0, 0, implicit %exec, implicit %flat_scr
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...
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