[llvm-commits] [llvm] r43779 - /llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp

[Chris Lattner]

Author: lattner
Date: Tue Nov  6 16:07:22 2007
New Revision: 43779

URL: http://llvm.org/viewvc/llvm-project?rev=43779&view=rev
Log:
don't put erase or query for non-allocainst pointers in an set of allocainsts*'s

Modified:
    llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp?rev=43779&r1=43778&r2=43779&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp Tue Nov  6 16:07:22 2007
@@ -271,7 +271,8 @@
         // See through pointer-to-pointer bitcasts
         TranslatePointerBitCasts(pointerOperand);
       
-        if (deadPointers.count(pointerOperand)){
+        if (isa<AllocaInst>(pointerOperand) && 
+            deadPointers.count(cast<AllocaInst>(pointerOperand))) {
           // Remove it!
           MD.removeInstruction(S);
         
@@ -345,7 +346,8 @@
 
       for (std::vector<Instruction*>::iterator I = dead.begin(), E = dead.end();
            I != E; ++I)
-        deadPointers.erase(*I);
+        if (AllocaInst *AI = dyn_cast<AllocaInst>(*I))
+          deadPointers.erase(AI);
       
       continue;
     }
@@ -427,7 +429,8 @@
 
   for (std::vector<Instruction*>::iterator I = undead.begin(), E = undead.end();
        I != E; ++I)
-    deadPointers.erase(*I);
+    if (AllocaInst *AI = dyn_cast<AllocaInst>(*I))
+      deadPointers.erase(AI);
   
   return MadeChange;
 }