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* Roll r127459 back in:Cameron Zwarich2011-03-111-1/+2
* Revert r127459, "Optimize trivial branches in CodeGenPrepare, which often getDaniel Dunbar2011-03-111-2/+1
* Optimize trivial branches in CodeGenPrepare, which often get created from theCameron Zwarich2011-03-111-1/+2
* temporarily revert r123526. While working on a follow-on patch IChris Lattner2011-01-151-1/+3
* fix rdar://8785296 - -fcatch-undefined-behavior generates inefficient codeChris Lattner2011-01-151-1/+4
* Now that instruction optzns can update the iterator as they go, we can Chris Lattner2011-01-151-0/+24
* revert r122164, I'm going to go with a different approach.Chris Lattner2010-12-191-31/+0
* first step to fixing PR8642: don't fold away empty basic blocksChris Lattner2010-12-191-0/+31
* move this test into the ARM test so that it is only run when the arm backendChris Lattner2010-12-191-23/+0
* Add a test for CodeGenPrepare's ability to look through PHI nodes when perfor...Owen Anderson2010-11-191-0/+23
* Change tests from "opt %s" to "opt < %s" so that opt doesn't see theDan Gohman2009-09-111-1/+1
* Change these tests to feed the assembly files to opt directly, insteadDan Gohman2009-09-081-1/+1
* reenable testChris Lattner2008-11-241-1/+0
* Temporarily XFAIL this test. r59976 and r59972 broke it.Bill Wendling2008-11-241-0/+1
* Fix 3113: If we have a dead cyclic PHI, replace the whole thingChris Lattner2008-11-242-0/+514