llvm-project/llvm/test/CodeGen/AMDGPU/hazard.mir

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# RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck -check-prefix=GCN -check-prefix=VI %s
# RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
# GCN: bb.0.entry:
# GCN: %m0 = S_MOV_B32
# GFX9: S_NOP 0
# VI-NOT: S_NOP_0
# GCN: V_INTERP_P1_F32
---
name: hazard_implicit_def
alignment: 0
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
liveins:
- { reg: '%sgpr7', virtual-reg: '' }
- { reg: '%vgpr4', virtual-reg: '' }
body: |
bb.0.entry:
liveins: %sgpr7, %vgpr4
%m0 = S_MOV_B32 killed %sgpr7
%vgpr5 = IMPLICIT_DEF
%vgpr0 = V_INTERP_P1_F32 killed %vgpr4, 0, 0, implicit %m0, implicit %exec
SI_RETURN_TO_EPILOG killed %vgpr5, killed %vgpr0
...