[PATCH] D59682: [X86] Add BSR/BSF/BSWAP intrinsics to ia32intrin.h to match gcc.

[Craig Topper via Phabricator via cfe-commits]

craig.topper updated this revision to Diff 192010.
craig.topper added a comment.

Add doxygen comments. Check the zero_undef flag.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59682/new/

https://reviews.llvm.org/D59682

Files:
  lib/Headers/ia32intrin.h
  lib/Headers/immintrin.h
  test/CodeGen/bitscan-builtins.c
  test/CodeGen/x86-bswap.c

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