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42 lines
1009 B
42 lines
1009 B
4 months ago
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# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=hawaii -verify-machineinstrs -run-pass si-fold-operands -o - %s | FileCheck -check-prefix=GCN %s
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...
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---
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# Blocks should be processed in program order to make sure folds
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# aren't made in users before the def is seen.
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# GCN-LABEL: name: mov_in_use_list_2x{{$}}
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# GCN: %2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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# GCN-NEXT: %3:vgpr_32 = COPY undef %0
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# GCN: %1:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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name: mov_in_use_list_2x
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tracksRegLiveness: true
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registers:
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- { id: 0, class: vgpr_32, preferred-register: '' }
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- { id: 1, class: vgpr_32, preferred-register: '' }
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- { id: 2, class: vgpr_32, preferred-register: '' }
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- { id: 3, class: vgpr_32, preferred-register: '' }
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liveins:
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body: |
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bb.0:
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successors: %bb.2
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S_BRANCH %bb.2
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bb.1:
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successors: %bb.2
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%2 = COPY %1
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%3 = V_XOR_B32_e64 killed %2, undef %0, implicit $exec
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bb.2:
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successors: %bb.1
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%1 = V_MOV_B32_e32 0, implicit $exec
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S_BRANCH %bb.1
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...
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