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d4c615be8c
Discussed here: http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html In preparation for adding support for named vregs we are changing the sigil for physical registers in MIR to '$' from '%'. This will prevent name clashes of named physical register with named vregs. llvm-svn: 323922
35 lines
1.1 KiB
YAML
35 lines
1.1 KiB
YAML
# RUN: llc -march=amdgcn -run-pass si-fold-operands -verify-machineinstrs -o - %s | FileCheck %s
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# CHECK: %1:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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# CHECK: %2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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# CHECK: %4:vgpr_32 = COPY %3
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# CHECK: %5:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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# CHECK: %6:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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# CHECK: %7:vgpr_32 = COPY %3
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---
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name: fold_cndmask
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tracksRegLiveness: true
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registers:
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- { id: 0, class: sgpr_64 }
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- { id: 1, class: vgpr_32 }
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- { id: 2, class: vgpr_32 }
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- { id: 3, class: vgpr_32 }
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- { id: 4, class: vgpr_32 }
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- { id: 5, class: vgpr_32 }
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- { id: 6, class: vgpr_32 }
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- { id: 7, class: vgpr_32 }
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body: |
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bb.0.entry:
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%0 = IMPLICIT_DEF
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%1 = V_CNDMASK_B32_e64 0, 0, %0, implicit $exec
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%2 = V_CNDMASK_B32_e64 %1, %1, %0, implicit $exec
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%3 = IMPLICIT_DEF
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%4 = V_CNDMASK_B32_e64 %3, %3, %0, implicit $exec
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%5 = COPY %1
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%6 = V_CNDMASK_B32_e64 %5, 0, %0, implicit $exec
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$vcc = IMPLICIT_DEF
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%7 = V_CNDMASK_B32_e32 %3, %3, implicit $exec, implicit $vcc
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...
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