[flang-commits] [clang] [flang] [flang] Add nsw flag to do-variable increment with a new option (PR #91579)

[Slava Zakharin via flang-commits]

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@@ -34,5 +34,9 @@ ENUM_LOWERINGOPT(NoPPCNativeVecElemOrder, unsigned, 1, 0)
 /// On by default.
 ENUM_LOWERINGOPT(Underscoring, unsigned, 1, 1)
 
+/// If true, add nsw flags to arithmetic operations for integer.
+/// Off by default.
+ENUM_LOWERINGOPT(NoSignedWrap, unsigned, 1, 0)
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vzakhari wrote:

`NoSignedWrap` sounds too generic for an option that only forces setting `NSW` for the loop variables' increments.  Please consider renaming or at least make the scope of `NSW` assignment clear in the comment above.

https://github.com/llvm/llvm-project/pull/91579