filcab added a subscriber: filcab. ================ Comment at: test/CodeGen/wrapv-lshr-sanitize.c:1 @@ +1,2 @@ +// RUN: %clang_cc1 -fsanitize=shift-base -emit-llvm %s -o - -triple x86_64-linux-gnu -fwrapv | opt -instnamer -S | FileCheck %s + ---------------- Do you really need `instnamer`?
================ Comment at: test/Sema/negative-shift-wrapv.c:9 @@ +8,3 @@ + int i; + i = -1 << (WORD_BIT - 1); // no-warning +} ---------------- It's a bit weird to have the test function be dead code, but I don't see a big problem anyway. Do you need to do the whole `WORD_BIT` thing? I'd rather just shift -1 by 1 (which is already UB in non -fwrapv world, but defined in -fwrapv world). https://reviews.llvm.org/D23498 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits