================
@@ -4386,34 +4386,54 @@ void SelectionDAGBuilder::visitGetElementPtr(const User
&I) {
// it.
IdxN = DAG.getSExtOrTrunc(IdxN, dl, N.getValueType());
+ SDNodeFlags ScaleFlags;
+ // The multiplication of an index by the type size does not wrap the
+ // pointer index type in a signed sense (mul nsw).
+ if (NW.hasNoUnsignedSignedWrap())
+ ScaleFlags.setNoSignedWrap(true);
+
+ // The multiplication of an index by the type size does not wrap the
+ // pointer index type in an unsigned sense (mul nuw).
+ if (NW.hasNoUnsignedWrap())
+ ScaleFlags.setNoUnsignedWrap(true);
----------------
goldsteinn wrote:
`ScaleFlags.setNoUnsignedWrap(NW.hasNoUnsignedWrap())`;
Likewise above.
https://github.com/llvm/llvm-project/pull/110815
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