[PATCH] D97125: Stop traping on sNaN in __builtin_isinf

[Thomas Preud'homme via Phabricator via cfe-commits]

thopre created this revision.
thopre added reviewers: kpn, efriedma, mibintc, sepavloff, rjmccall.
Herald added a subscriber: pengfei.
thopre requested review of this revision.
Herald added a project: clang.

__builtin_isinf currently generates a floating-point compare operation
which triggers a trap when faced with a signaling NaN in StrictFP mode.
This commit uses integer operations instead to not generate any trap in
such a case.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D97125

Files:
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/test/CodeGen/X86/strictfp_builtins.c
  clang/test/CodeGen/aarch64-strictfp-builtins.c
  clang/test/CodeGen/strictfp_builtins.c

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