[PATCH] D140086: [analyzer][solver] Improve reasoning for not equal to operator

Manas Gupta via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Wed Jan 4 16:26:51 PST 2023


manas marked 5 inline comments as done.
manas added inline comments.


================
Comment at: clang/lib/StaticAnalyzer/Core/RangeConstraintManager.cpp:1638-1639
+      if (LHS.isUnsigned() && (LHS.getBitWidth() >= RHS.getBitWidth())) {
+        if (RHS.getMaxValue().isNegative() ||
+            LHS.getAPSIntType().convert(RHS.getMaxValue()) < LHS.getMinValue())
+          return getTrueRange(T);
----------------
I combined the two conditionals as they both were returning TrueRange. Is it readable?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140086/new/

https://reviews.llvm.org/D140086



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