aaron.ballman added a subscriber: jcranmer-intel.
aaron.ballman added inline comments.
================
Comment at: clang/test/AST/Interp/builtin-functions.cpp:121-130
+ char classify_nan [__builtin_fpclassify(+1, -1, -1, -1, -1,
__builtin_nan(""))];
+ char classify_snan [__builtin_fpclassify(+1, -1, -1, -1, -1,
__builtin_nans(""))];
+ char classify_inf [__builtin_fpclassify(-1, +1, -1, -1, -1,
__builtin_inf())];
+ char classify_neg_inf [__builtin_fpclassify(-1, +1, -1, -1, -1,
-__builtin_inf())];
+ char classify_normal [__builtin_fpclassify(-1, -1, +1, -1, -1, 1.539)];
+ char classify_normal2 [__builtin_fpclassify(-1, -1, +1, -1, -1, 1e-307)];
+ char classify_denorm [__builtin_fpclassify(-1, -1, -1, +1, -1, 1e-308)];
----------------
One thing we should test is that promotion does not happen on the final
argument (converting it from `float` to `double`) -- @jcranmer-intel can you
think of a good way to test that in this case?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D155394/new/
https://reviews.llvm.org/D155394
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