Handle an empty dupli.

[oota-llvm.git] / lib / CodeGen / DeadMachineInstructionElim.cpp

diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp
index a215a194e4058950c5b5680297d4ecf43c33d5f0..138b83d4b667c83d51eef7e9a7366f9faae00c65 100644 (file)
--- a/lib/CodeGen/DeadMachineInstructionElim.cpp
+++ b/lib/CodeGen/DeadMachineInstructionElim.cpp
@@ -36,7 +36,7 @@ namespace {
 
   public:
     static char ID; // Pass identification, replacement for typeid
-    DeadMachineInstructionElim() : MachineFunctionPass(&ID) {}
+    DeadMachineInstructionElim() : MachineFunctionPass(ID) {}
 
   private:
     bool isDead(const MachineInstr *MI) const;
@@ -44,9 +44,8 @@ namespace {
 }
 char DeadMachineInstructionElim::ID = 0;
 
-static RegisterPass<DeadMachineInstructionElim>
-Y("dead-mi-elimination",
-  "Remove dead machine instructions");
+INITIALIZE_PASS(DeadMachineInstructionElim, "dead-mi-elimination",
+                "Remove dead machine instructions", false, false);
 
 FunctionPass *llvm::createDeadMachineInstructionElimPass() {
   return new DeadMachineInstructionElim();
@@ -55,7 +54,7 @@ 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) && !MI->isPHI())
+  if (!MI->isSafeToMove(TII, 0, SawStore) && !MI->isPHI())
     return false;
 
   // Examine each operand.