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Author SHA1 Message Date
Simon Pilgrim 4003ed2da3 [DAGCombiner] Improve FMA support for interpolation patterns 
This patch adds support for combining patterns such as (FMUL(FADD(1.0, x), y)) and (FMUL(FSUB(x, 1.0), y)) to their FMA equivalents.

This is useful in particular for linear interpolation cases such as (FADD(FMUL(x, t), FMUL(y, FSUB(1.0, t))))

Differential Revision: http://reviews.llvm.org/D13003

llvm-svn: 248210
 2015-09-21 20:32:48 +00:00
Tom Stellard 45bb48ea19 R600 -> AMDGPU rename 
llvm-svn: 239657
 2015-06-13 03:28:10 +00:00