steakhal added a comment.
Please also demonstrate that the patch can deal with sign mismatching ranges.
Aside from that, it looks clean and sweet.
Although, I still miss the point of how it would bypass anything.
================
Comment at: clang/lib/StaticAnalyzer/Core/RangeConstraintManager.cpp:1241
+ // in LHS, RHS respectively, will satisfy expression (x != y).
+ if ((LHS.To() < RHS.From()) || (LHS.From() > RHS.To())) {
+ return getTrueRange(T);
----------------
I would probably host this logic into a `Range::intersects(Range Other) const`
member function.
================
Comment at: clang/lib/StaticAnalyzer/Core/RangeConstraintManager.cpp:1245-1250
+ // If both Ranges contain only one Point which is equal, then the expression
+ // will always return true.
+ if ((LHS.From() == RHS.To()) && (LHS.To() == RHS.To()) &&
+ (LHS.From() == RHS.From())) {
+ return getFalseRange(T);
+ }
----------------
Technically, it's correct, but I would rather follow a similar logic to what
the comment would suggest.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D112621/new/
https://reviews.llvm.org/D112621
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