warn-bitwise-compare.cpp - OpenGrok history log for /llvm-project-15.0.7/clang/test/SemaCXX/warn-bitwise-compare.cpp

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# 9740f9f0	12-Nov-2019	Weverything <[email protected]>	Add -Wtautological-compare to -Wall Some warnings in -Wtautological-compare subgroups are DefaultIgnore. Adding this group to -Wmost, which is part of -Wall, will aid in their discoverability. Diff Add -Wtautological-compare to -Wall Some warnings in -Wtautological-compare subgroups are DefaultIgnore. Adding this group to -Wmost, which is part of -Wall, will aid in their discoverability. Differential Revision: https://reviews.llvm.org/D69292 show more ...
# 8b0d14a8	19-Oct-2019	Richard Trieu <[email protected]>	New tautological warning for bitwise-or with non-zero constant always true. Taking a value and the bitwise-or it with a non-zero constant will always result in a non-zero value. In a boolean context New tautological warning for bitwise-or with non-zero constant always true. Taking a value and the bitwise-or it with a non-zero constant will always result in a non-zero value. In a boolean context, this is always true. if (x \| 0x4) {} // always true, intended '&' This patch creates a new warning group -Wtautological-bitwise-compare for this warning. It also moves in the existing tautological bitwise comparisons into this group. A few other changes were needed to the CFGBuilder so that all bool contexts would be checked. The warnings in -Wtautological-bitwise-compare will be off by default due to using the CFG. Fixes: https://bugs.llvm.org/show_bug.cgi?id=42666 Differential Revision: https://reviews.llvm.org/D66046 llvm-svn: 375318 show more ...