[llvm-commits] [llvm] r106823 - /llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp

Gabor Greif ggreif at gmail.com
Fri Jun 25 00:40:32 PDT 2010


Author: ggreif
Date: Fri Jun 25 02:40:32 2010
New Revision: 106823

URL: http://llvm.org/viewvc/llvm-project?rev=106823&view=rev
Log:
use ArgOperand API; tighten type of handleFreeWithNonTrivialDependency to be able to use isFreeCall whithout a cast or new overload

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=106823&r1=106822&r2=106823&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp Fri Jun 25 02:40:32 2010
@@ -56,7 +56,8 @@
     }
     
     bool runOnBasicBlock(BasicBlock &BB);
-    bool handleFreeWithNonTrivialDependency(Instruction *F, MemDepResult Dep);
+    bool handleFreeWithNonTrivialDependency(const CallInst *F,
+                                            MemDepResult Dep);
     bool handleEndBlock(BasicBlock &BB);
     bool RemoveUndeadPointers(Value *Ptr, uint64_t killPointerSize,
                               BasicBlock::iterator &BBI,
@@ -203,8 +204,8 @@
     if (InstDep.isNonLocal()) continue;
   
     // Handle frees whose dependencies are non-trivial.
-    if (isFreeCall(Inst)) {
-      MadeChange |= handleFreeWithNonTrivialDependency(Inst, InstDep);
+    if (const CallInst *F = isFreeCall(Inst)) {
+      MadeChange |= handleFreeWithNonTrivialDependency(F, InstDep);
       continue;
     }
     
@@ -289,7 +290,8 @@
 
 /// handleFreeWithNonTrivialDependency - Handle frees of entire structures whose
 /// dependency is a store to a field of that structure.
-bool DSE::handleFreeWithNonTrivialDependency(Instruction *F, MemDepResult Dep) {
+bool DSE::handleFreeWithNonTrivialDependency(const CallInst *F,
+                                             MemDepResult Dep) {
   AliasAnalysis &AA = getAnalysis<AliasAnalysis>();
   
   Instruction *Dependency = Dep.getInst();
@@ -299,7 +301,7 @@
   Value *DepPointer = getPointerOperand(Dependency)->getUnderlyingObject();
 
   // Check for aliasing.
-  if (AA.alias(F->getOperand(1), 1, DepPointer, 1) !=
+  if (AA.alias(F->getArgOperand(0), 1, DepPointer, 1) !=
          AliasAnalysis::MustAlias)
     return false;
   





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