Rename 'TD' to 'DL' in this function as the argument is now a DataLayout

argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220151 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2014-10-18 23:47:22 +00:00
parent dacb8a615d
commit 652627d301

View File

@ -62,10 +62,10 @@ static bool AreEquivalentAddressValues(const Value *A, const Value *B) {
/// This uses the pointee type to determine how many bytes need to be safe to
/// load from the pointer.
bool llvm::isSafeToLoadUnconditionally(Value *V, Instruction *ScanFrom,
unsigned Align, const DataLayout *TD) {
unsigned Align, const DataLayout *DL) {
int64_t ByteOffset = 0;
Value *Base = V;
Base = GetPointerBaseWithConstantOffset(V, ByteOffset, TD);
Base = GetPointerBaseWithConstantOffset(V, ByteOffset, DL);
if (ByteOffset < 0) // out of bounds
return false;
@ -86,17 +86,17 @@ bool llvm::isSafeToLoadUnconditionally(Value *V, Instruction *ScanFrom,
}
if (BaseType && BaseType->isSized()) {
if (TD && BaseAlign == 0)
BaseAlign = TD->getPrefTypeAlignment(BaseType);
if (DL && BaseAlign == 0)
BaseAlign = DL->getPrefTypeAlignment(BaseType);
if (Align <= BaseAlign) {
if (!TD)
if (!DL)
return true; // Loading directly from an alloca or global is OK.
// Check if the load is within the bounds of the underlying object.
PointerType *AddrTy = cast<PointerType>(V->getType());
uint64_t LoadSize = TD->getTypeStoreSize(AddrTy->getElementType());
if (ByteOffset + LoadSize <= TD->getTypeAllocSize(BaseType) &&
uint64_t LoadSize = DL->getTypeStoreSize(AddrTy->getElementType());
if (ByteOffset + LoadSize <= DL->getTypeAllocSize(BaseType) &&
(Align == 0 || (ByteOffset % Align) == 0))
return true;
}