Paul Redmond f29ddfe93f enable SDISel sincos optimization for GNU environments ...

- add sincos to runtime library if target triple environment is GNU
- added canCombineSinCosLibcall() which checks that sincos is in the RTL and
  if the environment is GNU then unsafe fpmath is enabled (required to
  preserve errno)
- extended sincos-opt lit test

Reviewed by: Hal Finkel

llvm-svn: 175283

2013-02-15 18:45:18 +00:00

48 KiB

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