1 files changed, 7 insertions, 6 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index bcf3511..90f8dff 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -3610,12 +3610,13 @@ Value *llvm::isBytewiseValue(Value *V, const DataLayout &DL) {
 
   if (auto *CE = dyn_cast<ConstantExpr>(C)) {
     if (CE->getOpcode() == Instruction::IntToPtr) {
-      auto PS = DL.getPointerSizeInBits(
-          cast<PointerType>(CE->getType())->getAddressSpace());
-      return isBytewiseValue(
-          ConstantExpr::getIntegerCast(CE->getOperand(0),
-                                       Type::getIntNTy(Ctx, PS), false),
-          DL);
+      if (auto *PtrTy = dyn_cast<PointerType>(CE->getType())) {
+        unsigned BitWidth = DL.getPointerSizeInBits(PtrTy->getAddressSpace());
+        return isBytewiseValue(
+            ConstantExpr::getIntegerCast(CE->getOperand(0),
+                                         Type::getIntNTy(Ctx, BitWidth), false),
+            DL);
+      }
     }
   }