diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/CodeGen/MachineLICM.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/CodeGen/MachineLICM.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/MachineLICM.cpp b/contrib/llvm-project/llvm/lib/CodeGen/MachineLICM.cpp index 4e80e9b58c06..523e077fd9a2 100644 --- a/contrib/llvm-project/llvm/lib/CodeGen/MachineLICM.cpp +++ b/contrib/llvm-project/llvm/lib/CodeGen/MachineLICM.cpp @@ -538,6 +538,10 @@ void MachineLICMBase::HoistRegionPostRA() { PhysRegDefs.set(*AI); } + // Funclet entry blocks will clobber all registers + if (const uint32_t *Mask = BB->getBeginClobberMask(TRI)) + PhysRegClobbers.setBitsNotInMask(Mask); + SpeculationState = SpeculateUnknown; for (MachineInstr &MI : *BB) ProcessMI(&MI, PhysRegDefs, PhysRegClobbers, StoredFIs, Candidates); |