[PATCH] D39641: [CodeGen] make cbrt and fma constant (never set errno)

[Sanjay Patel via Phabricator via cfe-commits]

spatel updated this revision to Diff 122584.
spatel marked an inline comment as done.
spatel added a comment.

Patch updated:

1. Fix predicate for detecting MSVC - isOSMSVCRT().
2. Use switch on BuiltinID instead of string matching for "fma".


https://reviews.llvm.org/D39641

Files:
  include/clang/Basic/Builtins.def
  lib/CodeGen/CGBuiltin.cpp
  lib/Sema/SemaDecl.cpp
  test/CodeGen/libcalls.c
  test/CodeGen/math-builtins.c
  test/CodeGen/math-libcalls.c

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