diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index 9f57df87fb2..fc9c227e4df 100644 --- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp @@ -959,7 +959,7 @@ EmitMachineNode(SDNode *Node, bool IsClone, bool IsCloned, } // Finally mark unused registers as dead. - if (!UsedRegs.empty() || II.getImplicitDefs()) + if (!UsedRegs.empty() || II.getImplicitDefs() || II.hasOptionalDef()) MIB->setPhysRegsDeadExcept(UsedRegs, *TRI); // Run post-isel target hook to adjust this instruction if needed. diff --git a/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp b/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp index 0d1908ada7f..c9d78df4b37 100644 --- a/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp +++ b/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp @@ -2963,6 +2963,8 @@ bool ARMBaseInstrInfo::optimizeCompareInstr( for (unsigned i = 0, e = OperandsToUpdate.size(); i < e; i++) OperandsToUpdate[i].first->setImm(OperandsToUpdate[i].second); + MI->clearRegisterDeads(ARM::CPSR); + return true; } |
