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AgeCommit message (Expand)Author
2011-04-09fix PR9523, a crash in looprotate on a non-canonical loop made out of indirec...Chris Lattner
2011-04-09PR9604; try to deal with RAUW updates correctly in the AST. I'm not convincedEli Friedman
2011-04-09Test for r129190.Eli Friedman
2011-04-07Do not let debug info interfer with branch folding.Devang Patel
2011-04-07While hoisting common code from if/else, hoist debug info intrinsics if they ...Devang Patel
2011-04-07PR9634: Don't unconditionally tell the AliasSetTracker that the PreheaderLoadEli Friedman
2011-04-06This testcase passed even without the fix. Added the target info to make theNadav Rotem
2011-04-05InstCombine optimizes gep(bitcast(x)) even when the bitcasts casts away addressNadav Rotem
2011-04-02PR9446: RecursivelyDeleteTriviallyDeadInstructions can delete the instructionEli Friedman
2011-04-01InstCombine: Turn icmp + sext into bitwise/integer ops when the input has onl...Benjamin Kramer
2011-03-31Instcombile optimization: extractelement(cast) -> cast(extractelement)Nadav Rotem
2011-03-31InstCombine: APFloat can't perform arithmetic on PPC double doubles, don't ev...Benjamin Kramer
2011-03-31InstCombine: Fix transform to use the swapped predicate.Benjamin Kramer
2011-03-31InstCombine: fold fcmp (fneg x), (fneg y) -> fcmp x, yBenjamin Kramer
2011-03-31InstCombine: fold fcmp pred (fneg x), C -> fcmp swap(pred) x, -CBenjamin Kramer
2011-03-31InstCombine: Shrink "fcmp (fpext x), C" to "fcmp x, C" if C can be losslessly...Benjamin Kramer
2011-03-31InstCombine: fold fcmp (fpext x), (fpext y) -> fcmp x, y.Benjamin Kramer
2011-03-30* The DSE code that tested for overlapping needed to take into account the factBill Wendling
2011-03-30Avoid turning a floating point division with a constant power of two into a d...Benjamin Kramer
2011-03-30InstCombine: If the divisor of an fdiv has an exact inverse, turn it into an ...Benjamin Kramer
2011-03-29InstCombine: Add a few missing combines for ANDs and ORs of sign bit tests.Benjamin Kramer
2011-03-29Do some simple copy propagation through integer loads and stores when promotingCameron Zwarich
2011-03-27Teach the transformation that moves binary operators around selects to preserveNick Lewycky
2011-03-27Constant folding support for calls to umul.with.overflow(), basically identic...Frits van Bommel
2011-03-27Add a small missed optimization: turn X == C ? X : Y into X == C ? C : Y. ThisNick Lewycky
2011-03-26Fix a typo and add a test.Cameron Zwarich
2011-03-26PR9561: A store with a negative offset (via GEP) could erroniously say that itBill Wendling
2011-03-23Fix PR9464 by correcting some math that just happened to be right in most casesCameron Zwarich
2011-03-20Add an optimization to GlobalOpt that eliminates calls to __cxa_atexit, if th...Anders Carlsson
2011-03-18Avoid creating canonical induction variables for non-native types.Andrew Trick
2011-03-18FileCheck-ize and update test.Eli Friedman
2011-03-17Try to not lose variable's debug info during instcombine.Devang Patel
2011-03-16Only convert allocas to scalars if it is profitable. The profitability metric ICameron Zwarich
2011-03-16Add native integer type TargetData to some existing tests.Cameron Zwarich
2011-03-15Do not add PHIs with no users when creating LCSSA form. Patch by Andrew Clinton.Cameron Zwarich
2011-03-15PR9450: Make switch optimization in SimplifyCFG not dependent on the orderingEli Friedman
2011-03-15If we don't know how long a string is we can't fold an _chk version to theEric Christopher
2011-03-12Teach ComputeMaskedBits about sub nsw.Benjamin Kramer
2011-03-11Roll r127459 back in:Cameron Zwarich
2011-03-11Revert r127459, "Optimize trivial branches in CodeGenPrepare, which often getDaniel Dunbar
2011-03-11ComputeMaskedBits: sub falls through to add, and sub doesn't have the same ov...Benjamin Kramer
2011-03-11InstCombine: Fix a thinko where transform an icmp under the assumption that i...Benjamin Kramer
2011-03-11Teach ComputeMaskedBits about nsw on add. I don't think there's anything we canNick Lewycky
2011-03-11Optimize trivial branches in CodeGenPrepare, which often get created from theCameron Zwarich
2011-03-10Fix reassociate to postpone certain instruction deletions untilDan Gohman
2011-03-10InstCombine: Turn umul_with_overflow into mul nuw if we can prove that it can...Benjamin Kramer
2011-03-09Fix mistyped CHECK lines.Benjamin Kramer
2011-03-09Preserve line number information while simplifying libcalls.Devang Patel
2011-03-09Add a test case for r127320.Cameron Zwarich
2011-03-09Add another micro-optimization. Apologies for the lack of refactoring, but INick Lewycky