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3 Commits

Author SHA1 Message Date
Craig Topper
1487726cdf Revert accidental commit of a pruned testcase from r150360. 
llvm-svn: 150361
 2012-02-13 04:33:33 +00:00
Craig Topper
250c8fb194 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
1660c0bc25 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