diff options
Diffstat (limited to 'lib/CodeGen/DeadMachineInstructionElim.cpp')
| -rw-r--r-- | lib/CodeGen/DeadMachineInstructionElim.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp index b0cb24d95f..6e01e59349 100644 --- a/lib/CodeGen/DeadMachineInstructionElim.cpp +++ b/lib/CodeGen/DeadMachineInstructionElim.cpp @@ -55,7 +55,7 @@ FunctionPass *llvm::createDeadMachineInstructionElimPass() { bool DeadMachineInstructionElim::isDead(const MachineInstr *MI) const { // Don't delete instructions with side effects. bool SawStore = false; - if (!MI->isSafeToMove(TII, SawStore, 0)) + if (!MI->isSafeToMove(TII, SawStore, 0) && !MI->isPHI()) return false; // Examine each operand. |