Instruction &I = *CS.getInstruction();
Value *Callee = CS.getCalledValue();
- visitMemoryReference(I, Callee, ~0u, 0, 0, MemRef::Callee);
+ visitMemoryReference(I, Callee, AliasAnalysis::UnknownSize,
+ 0, 0, MemRef::Callee);
if (Function *F = dyn_cast<Function>(findValue(Callee, /*OffsetOk=*/false))) {
Assert1(CS.getCallingConv() == F->getCallingConv(),
case Intrinsic::memcpy: {
MemCpyInst *MCI = cast<MemCpyInst>(&I);
// TODO: If the size is known, use it.
- visitMemoryReference(I, MCI->getDest(), ~0u, MCI->getAlignment(), 0,
+ visitMemoryReference(I, MCI->getDest(), AliasAnalysis::UnknownSize,
+ MCI->getAlignment(), 0,
MemRef::Write);
- visitMemoryReference(I, MCI->getSource(), ~0u, MCI->getAlignment(), 0,
+ visitMemoryReference(I, MCI->getSource(), AliasAnalysis::UnknownSize,
+ MCI->getAlignment(), 0,
MemRef::Read);
// Check that the memcpy arguments don't overlap. The AliasAnalysis API
case Intrinsic::memmove: {
MemMoveInst *MMI = cast<MemMoveInst>(&I);
// TODO: If the size is known, use it.
- visitMemoryReference(I, MMI->getDest(), ~0u, MMI->getAlignment(), 0,
+ visitMemoryReference(I, MMI->getDest(), AliasAnalysis::UnknownSize,
+ MMI->getAlignment(), 0,
MemRef::Write);
- visitMemoryReference(I, MMI->getSource(), ~0u, MMI->getAlignment(), 0,
+ visitMemoryReference(I, MMI->getSource(), AliasAnalysis::UnknownSize,
+ MMI->getAlignment(), 0,
MemRef::Read);
break;
}
case Intrinsic::memset: {
MemSetInst *MSI = cast<MemSetInst>(&I);
// TODO: If the size is known, use it.
- visitMemoryReference(I, MSI->getDest(), ~0u, MSI->getAlignment(), 0,
+ visitMemoryReference(I, MSI->getDest(), AliasAnalysis::UnknownSize,
+ MSI->getAlignment(), 0,
MemRef::Write);
break;
}
"Undefined behavior: va_start called in a non-varargs function",
&I);
- visitMemoryReference(I, CS.getArgument(0), ~0u, 0, 0,
- MemRef::Read | MemRef::Write);
+ visitMemoryReference(I, CS.getArgument(0), AliasAnalysis::UnknownSize,
+ 0, 0, MemRef::Read | MemRef::Write);
break;
case Intrinsic::vacopy:
- visitMemoryReference(I, CS.getArgument(0), ~0u, 0, 0, MemRef::Write);
- visitMemoryReference(I, CS.getArgument(1), ~0u, 0, 0, MemRef::Read);
+ visitMemoryReference(I, CS.getArgument(0), AliasAnalysis::UnknownSize,
+ 0, 0, MemRef::Write);
+ visitMemoryReference(I, CS.getArgument(1), AliasAnalysis::UnknownSize,
+ 0, 0, MemRef::Read);
break;
case Intrinsic::vaend:
- visitMemoryReference(I, CS.getArgument(0), ~0u, 0, 0,
- MemRef::Read | MemRef::Write);
+ visitMemoryReference(I, CS.getArgument(0), AliasAnalysis::UnknownSize,
+ 0, 0, MemRef::Read | MemRef::Write);
break;
case Intrinsic::stackrestore:
// Stackrestore doesn't read or write memory, but it sets the
// stack pointer, which the compiler may read from or write to
// at any time, so check it for both readability and writeability.
- visitMemoryReference(I, CS.getArgument(0), ~0u, 0, 0,
- MemRef::Read | MemRef::Write);
+ visitMemoryReference(I, CS.getArgument(0), AliasAnalysis::UnknownSize,
+ 0, 0, MemRef::Read | MemRef::Write);
break;
}
}
}
void Lint::visitVAArgInst(VAArgInst &I) {
- visitMemoryReference(I, I.getOperand(0), ~0u, 0, 0,
+ visitMemoryReference(I, I.getOperand(0), AliasAnalysis::UnknownSize, 0, 0,
MemRef::Read | MemRef::Write);
}
void Lint::visitIndirectBrInst(IndirectBrInst &I) {
- visitMemoryReference(I, I.getAddress(), ~0u, 0, 0, MemRef::Branchee);
+ visitMemoryReference(I, I.getAddress(), AliasAnalysis::UnknownSize, 0, 0,
+ MemRef::Branchee);
Assert1(I.getNumDestinations() != 0,
"Undefined behavior: indirectbr with no destinations", &I);
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,
}
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)) {
/// 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>();
return TD->getTypeAllocSize(PT->getElementType());
}
}
- return ~0U;
+ return AliasAnalysis::UnknownSize;
}