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authorSimon Pilgrim <llvm-dev@redking.me.uk>2015-11-24 20:31:46 +0000
committerSimon Pilgrim <llvm-dev@redking.me.uk>2015-11-24 20:31:46 +0000
commit1b4fecb098a5407734128d628733d1fbd86e054d (patch)
treec83d383022a41d6f007800e7d964957967ab7417 /clang/lib/Parse/ParseOpenMP.cpp
parent29ffb68259bfefe0a2ec649f0912cba4f71e85ba (diff)
downloadbcm5719-llvm-1b4fecb098a5407734128d628733d1fbd86e054d.tar.gz
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[X86][FMA] Optimize FNEG(FMA) Patterns
X86 needs to use its own FMA opcodes, preventing the standard FNEG(FMA) pattern table recognition method used by other platforms. This patch adds support for lowering FNEG(FMA(X,Y,Z)) into a single suitably negated FMA instruction. Fix for PR24364 Differential Revision: http://reviews.llvm.org/D14906 llvm-svn: 254016
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