Consistently use AliasAnalysis::UnknownSize instead of hardcoding ~0u.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116815 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp
index a1a9f81..fdace9f 100644
--- a/lib/Transforms/Scalar/DeadStoreElimination.cpp
+++ b/lib/Transforms/Scalar/DeadStoreElimination.cpp
@@ -59,7 +59,7 @@
bool handleFreeWithNonTrivialDependency(const CallInst *F,
MemDepResult Dep);
bool handleEndBlock(BasicBlock &BB);
- bool RemoveUndeadPointers(Value *Ptr, uint64_t killPointerSize,
+ bool RemoveUndeadPointers(Value *Ptr, unsigned killPointerSize,
BasicBlock::iterator &BBI,
SmallPtrSet<Value*, 64> &deadPointers);
void DeleteDeadInstruction(Instruction *I,
@@ -371,7 +371,7 @@
}
Value *killPointer = 0;
- uint64_t killPointerSize = ~0UL;
+ unsigned killPointerSize = AliasAnalysis::UnknownSize;
// If we encounter a use of the pointer, it is no longer considered dead
if (LoadInst *L = dyn_cast<LoadInst>(BBI)) {
@@ -470,7 +470,7 @@
/// RemoveUndeadPointers - check for uses of a pointer that make it
/// undead when scanning for dead stores to alloca's.
-bool DSE::RemoveUndeadPointers(Value *killPointer, uint64_t killPointerSize,
+bool DSE::RemoveUndeadPointers(Value *killPointer, unsigned killPointerSize,
BasicBlock::iterator &BBI,
SmallPtrSet<Value*, 64> &deadPointers) {
AliasAnalysis &AA = getAnalysis<AliasAnalysis>();
@@ -575,5 +575,5 @@
return TD->getTypeAllocSize(PT->getElementType());
}
}
- return ~0U;
+ return AliasAnalysis::UnknownSize;
}
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index e4f329f..e867991 100644
--- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -770,7 +770,7 @@
// If the memmove is a constant size, use it for the alias query, this allows
// us to optimize things like: memmove(P, P+64, 64);
- uint64_t MemMoveSize = ~0ULL;
+ unsigned MemMoveSize = AliasAnalysis::UnknownSize;
if (ConstantInt *Len = dyn_cast<ConstantInt>(M->getLength()))
MemMoveSize = Len->getZExtValue();