diff options
Diffstat (limited to 'llvm/lib/Analysis/Loads.cpp')
| -rw-r--r-- | llvm/lib/Analysis/Loads.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/Loads.cpp b/llvm/lib/Analysis/Loads.cpp index 641e92eac781f..a7d07c0b61834 100644 --- a/llvm/lib/Analysis/Loads.cpp +++ b/llvm/lib/Analysis/Loads.cpp @@ -150,7 +150,7 @@ bool llvm::isDereferenceableAndAlignedPointer(const Value *V, Type *Ty, // Require ABI alignment for loads without alignment specification const Align Alignment = DL.getValueOrABITypeAlignment(MA, Ty); - APInt AccessSize(DL.getIndexTypeSizeInBits(V->getType()), + APInt AccessSize(DL.getPointerTypeSizeInBits(V->getType()), DL.getTypeStoreSize(Ty)); return isDereferenceableAndAlignedPointer(V, Alignment, AccessSize, DL, CtxI, DT); @@ -383,10 +383,6 @@ Value *llvm::FindAvailablePtrLoadStore(Value *Ptr, Type *AccessTy, MaxInstsToScan = ~0U; const DataLayout &DL = ScanBB->getModule()->getDataLayout(); - - // Try to get the store size for the type. - auto AccessSize = LocationSize::precise(DL.getTypeStoreSize(AccessTy)); - Value *StrippedPtr = Ptr->stripPointerCasts(); while (ScanFrom != ScanBB->begin()) { @@ -425,6 +421,9 @@ Value *llvm::FindAvailablePtrLoadStore(Value *Ptr, Type *AccessTy, return LI; } + // Try to get the store size for the type. + auto AccessSize = LocationSize::precise(DL.getTypeStoreSize(AccessTy)); + if (StoreInst *SI = dyn_cast<StoreInst>(Inst)) { Value *StorePtr = SI->getPointerOperand()->stripPointerCasts(); // If this is a store through Ptr, the value is available! |