tree 26f6d5f9d2c25f549b4ff8eea561fcfcc68242eb
parent ac1b00383a6afe8c89fa814906e9ed8187157f49
author Aaron Ballman <aaron@aaronballman.com> 1529420351 +0000
committer Aaron Ballman <aaron@aaronballman.com> 1529420351 +0000

Implement semantic checking for __builtin_signbit.

r242675 changed the signature for the signbit builtin but did not introduce proper semantic checking to ensure the arguments are as-expected. This patch groups the signbit builtin along with the other fp classification builtins. Fixes PR28172.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@335050 91177308-0d34-0410-b5e6-96231b3b80d8