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Author SHA1 Message Date
Rafael Espindola ae6000e86d Replace more uses of sse41 with sse4.1. 
llc using the host cpu features and *waning* on unknown features is probably
not a good thing :-(

llvm-svn: 189144
 2013-08-23 20:39:19 +00:00
Michael Liao 137f8aedea Add wider vector/integer support for PR12312 
- Enhance the fix to PR12312 to support wider integer, such as 256-bit
  integer. If more than 1 fully evaluated vectors are found, POR them
  first followed by the final PTEST.

llvm-svn: 163832
 2012-09-13 20:24:54 +00:00
NAKAMURA Takumi cdfe1d1cdb llvm/test/CodeGen/X86/pr12312.ll: Add -mtriple=x86_64-unknown-unknown. 
llvm-svn: 162736
 2012-08-28 04:04:29 +00:00
Michael Liao b7d85b6328 Fix PR12312 
- Add a target-specific DAG optimization to recognize a pattern PTEST-able.
  Such a pattern is a OR'd tree with X86ISD::OR as the root node. When
  X86ISD::OR node has only its flag result being used as a boolean value and
  all its leaves are extracted from the same vector, it could be folded into an
  X86ISD::PTEST node.

llvm-svn: 162735
 2012-08-28 03:34:40 +00:00