lebedev.ri added a comment. What's next, a sanitizer that input to signed right-shift is always non-negative? :)
FWIW "fixing" these "bugs" via `(x & ~(~1U << (32-shamt))) << shamt` is going to be fine, i've already taught instcombine to drop such pointless masking before left-shift in PR42563 <https://bugs.llvm.org/show_bug.cgi?id=42563>: https://godbolt.org/z/1h33hP Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D86000/new/ https://reviews.llvm.org/D86000 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
