diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIInstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstrInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp index 0b489b090cc..0d23323c4fb 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -2479,6 +2479,10 @@ bool SIInstrInfo::hasUnwantedEffectsWhenEXECEmpty(const MachineInstr &MI) const if (MI.mayStore() && isSMRD(MI)) return true; // scalar store or atomic + // This will terminate the function when other lanes may need to continue. + if (MI.isReturn()) + return true; + // These instructions cause shader I/O that may cause hardware lockups // when executed with an empty EXEC mask. // |
