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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
33 lines
978 B
YAML
33 lines
978 B
YAML
# RUN: llc -o - %s -march=amdgcn -mcpu=fiji -run-pass=si-insert-skips -verify-machineinstrs | FileCheck -check-prefix=GCN %s
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# GCN-LABEL: readlane_exec0
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# GCN: bb.0
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# GCN: S_CBRANCH_EXECZ %bb.2
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---
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name: readlane_exec0
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body: |
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bb.0:
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successors: %bb.1, %bb.2
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liveins: $vgpr1_vgpr2:0x00000001, $vgpr2_vgpr3:0x00000003
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$vgpr4 = V_AND_B32_e32 1, $vgpr1, implicit $exec
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V_CMP_EQ_U32_e32 1, killed $vgpr4, implicit-def $vcc, implicit $exec
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$sgpr0_sgpr1 = S_AND_SAVEEXEC_B64 killed $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
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SI_MASK_BRANCH %bb.2, implicit $exec
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S_BRANCH %bb.1
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bb.1:
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$sgpr10 = V_READFIRSTLANE_B32 $vgpr2, implicit $exec
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$sgpr11 = V_READFIRSTLANE_B32 $vgpr3, implicit $exec
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$sgpr10 = S_LOAD_DWORD_IMM killed $sgpr10_sgpr11, 0, 0
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S_WAITCNT 127
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$vgpr0 = V_XOR_B32_e32 killed $sgpr10, killed $vgpr0, implicit $exec
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bb.2:
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$exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc
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...
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