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3 Commits

Author SHA1 Message Date
Craig Topper 38f2c7f14f Revert accidental commit of a pruned testcase from r150360. 
llvm-svn: 150361
 2012-02-13 04:33:33 +00:00
Craig Topper 87119fa37f Update CanXFormVExtractWithShuffleIntoLoad to ensure bitcasts of loads only have one use. Matches DAGCombiner and prevents vector_shuffles from reaching isel. 
llvm-svn: 150360
 2012-02-13 04:30:38 +00:00
Nadav Rotem 25f2ac948b Fix 9267; Add vector zext support. 
The DAGCombiner folds the zext into complex load instructions. This patch
prevents this optimization on vectors since none of the supported targets
knows how to perform load+vector_zext in one instruction.

llvm-svn: 126080
 2011-02-20 12:37:50 +00:00