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4 Commits

Author SHA1 Message Date
Benjamin Kramer 72196f3ae5 InstCombine: Teach most integer add/sub/mul/div combines how to deal with vectors. 
llvm-svn: 199602
 2014-01-19 15:24:22 +00:00
Benjamin Kramer c10563d14e Fix broken CHECK lines. 
llvm-svn: 199016
 2014-01-11 21:06:00 +00:00
Joey Gouly 83699284be scalarizePHI needs to insert the next ExtractElement in the same block 
as the BinaryOperator, *not* in the block where the IRBuilder is currently
inserting into. Fixes a bug where scalarizePHI would create instructions
that would not dominate all uses.

llvm-svn: 182639
 2013-05-24 12:29:54 +00:00
Anat Shemer 0c95efad7e Added a function scalarizePHI() that sclarizes a vector phi instruction if it has only 2 uses: one to promote the vector phi in a loop and the other use is an extract operation of one element at a constant location. 
llvm-svn: 179783
 2013-04-18 19:35:39 +00:00