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3 Commits

Author SHA1 Message Date
Chris Lattner 6d9d5a9c94 convert to filecheck 
llvm-svn: 80025
 2009-08-25 20:49:04 +00:00
Dan Gohman e58ab79f33 Make x86's BT instruction matching more thorough, and add some 
dagcombines that help it match in several more cases. Add
several more cases to test/CodeGen/X86/bt.ll. This doesn't
yet include matching for BT with an immediate operand, it
just covers more register+register cases.

llvm-svn: 63266
 2009-01-29 01:59:02 +00:00
Dan Gohman 8e8d1da35a Add patterns to match conditional moves with loads folded 
into their left operand, rather than their right. Do this
by commuting the operands and inverting the condition.

llvm-svn: 61842
 2009-01-07 01:00:24 +00:00