hvdijk added a comment.
In D63423#2732199 <https://reviews.llvm.org/D63423#2732199>, @xbolva00 wrote:
> No, we want to preserve warning for 2 ^ MACRO or 10 ^ MACRO.
Perhaps that should warn even if the RHS is in hex form, or is an enumerator
constant, or is not even constant at all.
libpng: #if-ed out but just waiting for someone to copy and paste: `for
(i=11;i>=0;--i){ print i, " ", (1 - e(-(2^i)/65536*l(2))) * 2^(32-i), "\n"}`.
https://github.com/mongodb/mongo/blob/master/src/third_party/IntelRDFPMathLib20U1/LIBRARY/float128/mphoc_macros.h:
#define MPHOC_MAX_CHAR ((2 ^ (BITS_PER_CHAR - 1)) - 1)
#define MPHOC_MAX_SHORT ((2 ^ (BITS_PER_SHORT - 1)) - 1)
#define MPHOC_MAX_INT ((2 ^ (BITS_PER_INT - 1)) - 1)
#define MPHOC_MAX_LONG ((2 ^ (BITS_PER_LONG - 1)) - 1)
#define MPHOC_MAX_WORD ((2 ^ (BITS_PER_WORD - 1)) - 1)
(and many more in there)
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D63423/new/
https://reviews.llvm.org/D63423
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