Set SetStore to false, to allow this pass to delete
dead loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56529 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp
index c3cdbf0..392e3b1 100644
--- a/lib/CodeGen/DeadMachineInstructionElim.cpp
+++ b/lib/CodeGen/DeadMachineInstructionElim.cpp
@@ -46,7 +46,7 @@
const MachineRegisterInfo &MRI = MF.getRegInfo();
const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
BitVector LivePhysRegs;
- bool SawStore = true;
+ bool SawStore;
// Compute a bitvector to represent all non-allocatable physregs.
BitVector NonAllocatableRegs = TRI.getAllocatableSet(MF);
@@ -79,6 +79,7 @@
MachineInstr *MI = &*MII;
// Don't delete instructions with side effects.
+ SawStore = false;
if (MI->isSafeToMove(&TII, SawStore)) {
// Examine each operand.
bool AllDefsDead = true;