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2011-03-11Roll r127459 back in:Cameron Zwarich1-1/+2
2011-03-11Revert r127459, "Optimize trivial branches in CodeGenPrepare, which often getDaniel Dunbar1-2/+1
2011-03-11Optimize trivial branches in CodeGenPrepare, which often get created from theCameron Zwarich1-1/+2
2011-01-15temporarily revert r123526. While working on a follow-on patch IChris Lattner1-1/+3
2011-01-15fix rdar://8785296 - -fcatch-undefined-behavior generates inefficient codeChris Lattner1-1/+4
2011-01-15Now that instruction optzns can update the iterator as they go, we can Chris Lattner1-0/+24
2010-12-19revert r122164, I'm going to go with a different approach.Chris Lattner1-31/+0
2010-12-19first step to fixing PR8642: don't fold away empty basic blocksChris Lattner1-0/+31
2010-12-19move this test into the ARM test so that it is only run when the arm backendChris Lattner1-23/+0
2010-11-19Add a test for CodeGenPrepare's ability to look through PHI nodes when perfor...Owen Anderson1-0/+23
2009-09-11Change tests from "opt %s" to "opt < %s" so that opt doesn't see theDan Gohman1-1/+1
2009-09-08Change these tests to feed the assembly files to opt directly, insteadDan Gohman1-1/+1
2008-11-24reenable testChris Lattner1-1/+0
2008-11-24Temporarily XFAIL this test. r59976 and r59972 broke it.Bill Wendling1-0/+1
2008-11-24Fix 3113: If we have a dead cyclic PHI, replace the whole thingChris Lattner2-0/+514