diff --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp --- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp +++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp @@ -232,7 +232,9 @@ return HazardType; if (((ST.hasReadM0MovRelInterpHazard() && - (TII.isVINTRP(*MI) || isSMovRel(MI->getOpcode()))) || + (TII.isVINTRP(*MI) || isSMovRel(MI->getOpcode()) || + MI->getOpcode() == AMDGPU::DS_WRITE_ADDTID_B32 || + MI->getOpcode() == AMDGPU::DS_READ_ADDTID_B32)) || (ST.hasReadM0SendMsgHazard() && isSendMsgTraceDataOrGDS(TII, *MI)) || (ST.hasReadM0LdsDmaHazard() && isLdsDma(*MI)) || (ST.hasReadM0LdsDirectHazard() && @@ -357,7 +359,9 @@ return std::max(WaitStates, checkRFEHazards(MI)); if ((ST.hasReadM0MovRelInterpHazard() && - (TII.isVINTRP(*MI) || isSMovRel(MI->getOpcode()))) || + (TII.isVINTRP(*MI) || isSMovRel(MI->getOpcode()) || + MI->getOpcode() == AMDGPU::DS_WRITE_ADDTID_B32 || + MI->getOpcode() == AMDGPU::DS_READ_ADDTID_B32)) || (ST.hasReadM0SendMsgHazard() && isSendMsgTraceDataOrGDS(TII, *MI)) || (ST.hasReadM0LdsDmaHazard() && isLdsDma(*MI)) || (ST.hasReadM0LdsDirectHazard() && MI->readsRegister(AMDGPU::LDS_DIRECT))) diff --git a/llvm/test/CodeGen/AMDGPU/hazard-lds-addtid.mir b/llvm/test/CodeGen/AMDGPU/hazard-lds-addtid.mir new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/hazard-lds-addtid.mir @@ -0,0 +1,50 @@ +# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass post-RA-hazard-rec %s -o - | FileCheck %s -check-prefixes=GCN,GFX9 +# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass post-RA-hazard-rec %s -o - | FileCheck %s -check-prefixes=GCN +# RUN: llc -march=amdgcn -mcpu=gfx1100 -run-pass post-RA-hazard-rec %s -o - | FileCheck %s -check-prefixes=GCN +--- + +# GCN-LABEL: name: addtid + +# GCN-LABEL: bb.0: +# GCN: S_MOV_B32 +# GFX9-NEXT: S_NOP +# GCN-NEXT: DS_WRITE_ADDTID_B32 + +# GCN-LABEL: bb.1: +# GCN: S_MOV_B32 +# GFX9-NEXT: S_NOP +# GCN-NEXT: DS_READ_ADDTID_B32 + +# GCN-LABEL: bb.2: +# GCN: S_MOV_B32 +# GFX9-NEXT: S_NOP +# GCN-NEXT: DS_WRITE_ADDTID_B32 + +# GCN-LABEL: bb.3: +# GCN: S_MOV_B32 +# GFX9-NEXT: S_NOP +# GCN-NEXT: DS_READ_ADDTID_B32 + +name: addtid + +body: | + bb.0: + $m0 = S_MOV_B32 0 + DS_WRITE_ADDTID_B32 killed $vgpr0, 0, 0, implicit $m0, implicit $exec + S_BRANCH %bb.1 + + bb.1: + $m0 = S_MOV_B32 0 + $vgpr0 = DS_READ_ADDTID_B32 0, 0, implicit $m0, implicit $exec + S_BRANCH %bb.2 + + bb.2: + $m0 = S_MOV_B32 0 + DS_WRITE_ADDTID_B32 killed $vgpr0, 0, 0, implicit $m0, implicit $exec + S_BRANCH %bb.3 + + bb.3: + $m0 = S_MOV_B32 0 + $vgpr0 = DS_READ_ADDTID_B32 0, 0, implicit $m0, implicit $exec + S_ENDPGM 0 +...