[clang][bytecode][NFC] Use Pointer::pointToSameBlock (#119552)

tbaederr · web-flow · commit d416cae180a5 · 2024-12-11T16:14:19.000+01:00
block() requires the pointer to be a block pointer.
diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
@@ -1876,7 +1876,7 @@ static bool interp__builtin_memcpy(InterpState &S, CodePtr OpPC,
   }
 
   // Check for overlapping memory regions.
-  if (!Move && SrcPtr.block() == DestPtr.block()) {
+  if (!Move && Pointer::pointToSameBlock(SrcPtr, DestPtr)) {
     unsigned SrcIndex = SrcPtr.getIndex() * SrcPtr.elemSize();
     unsigned DstIndex = DestPtr.getIndex() * DestPtr.elemSize();
     unsigned N = Size.getZExtValue();

Original file line number	Diff line number	Diff line change
`@@ -1876,7 +1876,7 @@ static bool interp__builtin_memcpy(InterpState &S, CodePtr OpPC,`
`1876`	`1876`	`}`
`1877`	`1877`
`1878`	`1878`	`// Check for overlapping memory regions.`
`1879`		`- if (!Move && SrcPtr.block() == DestPtr.block()) {`
	`1879`	`+ if (!Move && Pointer::pointToSameBlock(SrcPtr, DestPtr)) {`
`1880`	`1880`	`unsigned SrcIndex = SrcPtr.getIndex() * SrcPtr.elemSize();`
`1881`	`1881`	`unsigned DstIndex = DestPtr.getIndex() * DestPtr.elemSize();`
`1882`	`1882`	`unsigned N = Size.getZExtValue();`