diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUInsertSingleUseVDST.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUInsertSingleUseVDST.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInsertSingleUseVDST.cpp b/llvm/lib/Target/AMDGPU/AMDGPUInsertSingleUseVDST.cpp index b78952ca3a62..43b3bf43fe56 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUInsertSingleUseVDST.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUInsertSingleUseVDST.cpp @@ -15,6 +15,7 @@ //===----------------------------------------------------------------------===// #include "AMDGPU.h" +#include "AMDGPUGenSearchableTables.inc" #include "GCNSubtarget.h" #include "SIInstrInfo.h" #include "SIRegisterInfo.h" @@ -214,12 +215,14 @@ public: RegisterUseCount[Unit]++; // Do not attempt to optimise across exec mask changes. - if (MI.modifiesRegister(AMDGPU::EXEC, TRI)) { + if (MI.modifiesRegister(AMDGPU::EXEC, TRI) || + AMDGPU::isInvalidSingleUseConsumerInst(MI.getOpcode())) { for (auto &UsedReg : RegisterUseCount) UsedReg.second = 2; } - if (!SIInstrInfo::isVALU(MI)) + if (!SIInstrInfo::isVALU(MI) || + AMDGPU::isInvalidSingleUseProducerInst(MI.getOpcode())) continue; if (AllProducerOperandsAreSingleUse) { SingleUseProducerPositions.push_back({VALUInstrCount, &MI}); |