Michael Berg 77b5be7ec6 propagate fast math flags via IR on fma and sub expressions ...

Summary: This change uses fmf subflags to guard fma optimizations as well as unsafe. These changes originated from D46483 and have been simplified via getNode.

Reviewers: spatel, arsenm, hfinkel, javed.absar

Reviewed By: spatel

Subscribers: nemanjai, wdng

Differential Revision: https://reviews.llvm.org/D47388

llvm-svn: 334242

2018-06-07 22:49:09 +00:00

319 KiB

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