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4 Commits

Author SHA1 Message Date
Silviu Baranga 3f40d87207 Fixed the DAG combiner to better handle the folding of AND nodes for vector types. The previous code was making the assumption that the length of the bitmask returned by isConstantSplat was equal to the size of the vector type. Now we first make sure that the splat value has at least the length of the vector lane type, then we only use as many fields as we have available in the splat value. 
llvm-svn: 163203
 2012-09-05 08:57:21 +00:00
Tim Northover 3de97b7a86 Use VLD1 in NEON extenting-load patterns instead of VLDR. 
On some cores it's a bad idea for performance to mix VFP and NEON instructions
and since these patterns are NEON anyway, the NEON load should be used.

llvm-svn: 155630
 2012-04-26 08:46:29 +00:00
James Molloy a9bcf20d22 Fix bad EXTRACT_SUBREG in instruction selection for extending-loads on NEON. 
llvm-svn: 154915
 2012-04-17 08:18:00 +00:00
James Molloy 1ea6473688 An oversight when applying the patches for r150956 and r150957 to a vanilla tree meant I forgot to svn add these testcases. 
Noticed while investigating PR12274!

llvm-svn: 154090
 2012-04-05 10:01:12 +00:00