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* Implement some basic simplifications involving min/max, for exampleDuncan Sands2011-05-031-0/+145
* Fix PR9579: when simplifying a compare to "true" or "false", and it wasDuncan Sands2011-05-021-0/+15
* Move some rem transforms out of instcombine and into instsimplify.Duncan Sands2011-05-021-0/+17
* InstCombine: Turn (zext A) udiv (zext B) into (zext (A udiv B)). Same for ure...Benjamin Kramer2011-04-301-2/+43
* Use SimplifyDemandedBits on div instructions.Benjamin Kramer2011-04-301-0/+7
* FileCheckize.Benjamin Kramer2011-04-301-1/+30
* SimplifyCFG: Expose phi node folding cost threshold as command line parameterPeter Collingbourne2011-04-291-0/+34
* SimplifyCFG: Add CostRemaining parameter to DominatesMergePointPeter Collingbourne2011-04-291-0/+1
* SimplifyCFG: Add Trunc, ZExt and SExt to the list of cheap instructions for p...Peter Collingbourne2011-04-291-6/+9
* InstCombine: turn (C1 << A) << C2) into (C1 << C2) << A)Benjamin Kramer2011-04-291-0/+21
* final step needed to resolve PR6627, which allows us to flatten the code down toChris Lattner2011-04-282-4/+71
* InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp.Benjamin Kramer2011-04-281-0/+29
* teach GVN to widen integer loads when they are overaligned, when doing an Chris Lattner2011-04-281-1/+24
* Fixes PR9730: indvars: An asserting value handle still pointed to this valueAndrew Trick2011-04-271-5/+6
* Simplify cfg inserts a call to trap when unreachable code is detected. Assign...Devang Patel2011-04-271-0/+19
* remove support for llvm.invariant.end from memdep. It is a Chris Lattner2011-04-261-36/+0
* make a couple of changes to the standard pass pipeline:Chris Lattner2011-04-262-1/+74
* Transform: "icmp eq (trunc (lshr(X, cst1)), cst" to "icmp (and X, mask), cst"Chris Lattner2011-04-261-0/+16
* Improve the bail-out predicate to really only kick in when phiChris Lattner2011-04-262-3/+24
* Enhance MemDep: When alias analysis returns a partial alias result,Chris Lattner2011-04-261-0/+27
* Fix another case of <rdar://problem/9184212> that only occurs with codeCameron Zwarich2011-04-201-0/+15
* Add test cases for Jay's r129641 and fix a 32-bit-centric testcase in a file ...Frits van Bommel2011-04-161-5/+81
* Fix a ton of comment typos found by codespell. Patch byChris Lattner2011-04-1510-11/+11
* Add an instcombine for constructs like a | -(b != c); a select is moreEli Friedman2011-04-141-0/+19
* Fix an infinite alternation in JumpThreading where two transforms would repea...Owen Anderson2011-04-141-0/+31
* Vectors with different number of elements of the same element type can haveMon P Wang2011-04-131-0/+46
* Fix reassociate to use a worklist instead of recursing when newDan Gohman2011-04-121-0/+24
* remove the StructRetPromotion pass. It is unused, not maintained andChris Lattner2011-04-115-87/+0
* Add back a couple checks removed by r129128; the fact that an intitializerEli Friedman2011-04-091-0/+5
* fix PR9523, a crash in looprotate on a non-canonical loop made out of indirec...Chris Lattner2011-04-091-0/+16
* PR9604; try to deal with RAUW updates correctly in the AST. I'm not convincedEli Friedman2011-04-091-0/+49
* Test for r129190.Eli Friedman2011-04-091-0/+32
* Do not let debug info interfer with branch folding.Devang Patel2011-04-071-0/+58
* While hoisting common code from if/else, hoist debug info intrinsics if they ...Devang Patel2011-04-071-0/+53
* PR9634: Don't unconditionally tell the AliasSetTracker that the PreheaderLoadEli Friedman2011-04-072-1/+40
* This testcase passed even without the fix. Added the target info to make theNadav Rotem2011-04-061-0/+3
* InstCombine optimizes gep(bitcast(x)) even when the bitcasts casts away addressNadav Rotem2011-04-051-0/+16
* PR9446: RecursivelyDeleteTriviallyDeadInstructions can delete the instructionEli Friedman2011-04-021-0/+32
* InstCombine: Turn icmp + sext into bitwise/integer ops when the input has onl...Benjamin Kramer2011-04-011-0/+48
* Instcombile optimization: extractelement(cast) -> cast(extractelement)Nadav Rotem2011-03-311-0/+27
* InstCombine: APFloat can't perform arithmetic on PPC double doubles, don't ev...Benjamin Kramer2011-03-311-0/+9
* InstCombine: Fix transform to use the swapped predicate.Benjamin Kramer2011-03-311-1/+1
* InstCombine: fold fcmp (fneg x), (fneg y) -> fcmp x, yBenjamin Kramer2011-03-311-0/+9
* InstCombine: fold fcmp pred (fneg x), C -> fcmp swap(pred) x, -CBenjamin Kramer2011-03-311-0/+8
* InstCombine: Shrink "fcmp (fpext x), C" to "fcmp x, C" if C can be losslessly...Benjamin Kramer2011-03-311-0/+23
* InstCombine: fold fcmp (fpext x), (fpext y) -> fcmp x, y.Benjamin Kramer2011-03-311-0/+11
* * The DSE code that tested for overlapping needed to take into account the factBill Wendling2011-03-301-0/+1
* Avoid turning a floating point division with a constant power of two into a d...Benjamin Kramer2011-03-301-1/+1
* InstCombine: If the divisor of an fdiv has an exact inverse, turn it into an ...Benjamin Kramer2011-03-301-0/+25
* InstCombine: Add a few missing combines for ANDs and ORs of sign bit tests.Benjamin Kramer2011-03-291-0/+79