diff options
| -rw-r--r-- | llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/hazard.mir | 29 |
2 files changed, 31 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp index 400c4aae9e0..76c3ed76dd0 100644 --- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp +++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp @@ -225,7 +225,8 @@ int GCNHazardRecognizer::getWaitStatesSince( return WaitStates; unsigned Opcode = MI->getOpcode(); - if (Opcode == AMDGPU::DBG_VALUE || Opcode == AMDGPU::IMPLICIT_DEF) + if (Opcode == AMDGPU::DBG_VALUE || Opcode == AMDGPU::IMPLICIT_DEF || + Opcode == AMDGPU::INLINEASM) continue; } ++WaitStates; diff --git a/llvm/test/CodeGen/AMDGPU/hazard.mir b/llvm/test/CodeGen/AMDGPU/hazard.mir index d495a327e9e..80afcbf197a 100644 --- a/llvm/test/CodeGen/AMDGPU/hazard.mir +++ b/llvm/test/CodeGen/AMDGPU/hazard.mir @@ -1,6 +1,7 @@ # 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-LABEL: name: hazard_implicit_def # GCN: bb.0.entry: # GCN: %m0 = S_MOV_B32 # GFX9: S_NOP 0 @@ -29,3 +30,31 @@ body: | SI_RETURN_TO_EPILOG killed %vgpr5, killed %vgpr0 ... + +# GCN-LABEL: name: hazard_inlineasm +# 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_inlineasm +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 + INLINEASM $"; no-op", 1, 327690, def %vgpr5 + %vgpr0 = V_INTERP_P1_F32 killed %vgpr4, 0, 0, implicit %m0, implicit %exec + SI_RETURN_TO_EPILOG killed %vgpr5, killed %vgpr0 +... |
