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* my instcombine transformations to make extension elimination moreChris Lattner2010-01-18
* filecheckize this.Chris Lattner2010-01-18
* filecheckizeChris Lattner2010-01-18
* remove a redundant test, filecheckize another.Chris Lattner2010-01-18
* Reduce fsub-fadd.ll and merge it into fsub-fsub.ll. Rename fsub-fsub.ll toBill Wendling2010-01-17
* When the visitSub method was split into visitSub and visitFSub, this xform wasBill Wendling2010-01-13
* 1) Use the new SimplifyInstructionsInBlock routine instead of the copyChris Lattner2010-01-12
* Make several tests less fragile.Dan Gohman2010-01-12
* Teach jump threading to duplicate small blocks when the branchChris Lattner2010-01-12
* disable this testcase, PR5997Chris Lattner2010-01-11
* add one more bitfield optimization, allowing clang to generateChris Lattner2010-01-11
* Extend CanEvaluateZExtd to handle and/or/xor more aggressively in theChris Lattner2010-01-11
* Remove the dead TD argument to CanEvaluateZExtd, and add aChris Lattner2010-01-11
* teach sext optimization to handle truncs from types that are notChris Lattner2010-01-10
* teach zext optimization how to deal with truncs that don't come fromChris Lattner2010-01-10
* now that the cost model has changed, we can always consider Chris Lattner2010-01-10
* change the preferred canonical form for a sign extension to beChris Lattner2010-01-10
* two changes: Chris Lattner2010-01-10
* enhance CanEvaluateZExtd to handle shift left and sext, allowingChris Lattner2010-01-10
* Use WriteAsOperand instead of getName() to print loop header names,Dan Gohman2010-01-09
* only factor from expressions whose uses are empty and whoseChris Lattner2010-01-09
* teach instcombine to delete sign extending shift pairs (sra(shl X, C), C) whenChris Lattner2010-01-08
* fix PR5978 by peeling the loop so that we avoid shifting theChris Lattner2010-01-08
* teach ComputeNumSignBits to look through PHI nodes.Chris Lattner2010-01-07
* filecheckizeChris Lattner2010-01-07
* Enhance instcombine to reason more strongly about promoting computationChris Lattner2010-01-07
* fix a globalopt crash on 'bullet' (handling evaluation of a storeChris Lattner2010-01-07
* Fix a README item: have functionattrs look through selects andDuncan Sands2010-01-06
* Partially address a README by having functionattrs consider calls toDuncan Sands2010-01-06
* Teach instcombine's sext elimination logic to be more aggressive.Chris Lattner2010-01-06
* Move this test from test/Transforms/IndVarSimplify toDan Gohman2010-01-05
* more rearrangement and cleanup, fix my test failure.Chris Lattner2010-01-05
* remove two trunc xforms that are subsumed by EvaluateInDifferentType.Chris Lattner2010-01-05
* merge some tests.Chris Lattner2010-01-05
* merge cast2 into cast.llChris Lattner2010-01-05
* remove useless test.Chris Lattner2010-01-05
* another example.Chris Lattner2010-01-05
* remove a useless negative test, add a rdar # to an xfail that I'm working on.Chris Lattner2010-01-05
* clean up tests.Chris Lattner2010-01-05
* just remove this xform which is subsumed by others.Chris Lattner2010-01-05
* optimize comparisons against cttz/ctlz/ctpop, patch by Alastair Lynn!Chris Lattner2010-01-05
* Delete useless trailing semicolons.Dan Gohman2010-01-05
* optimize cttz and ctlz when we can prove something about the Chris Lattner2010-01-05
* fix an infinite loop in reassociate building emacs.Chris Lattner2010-01-05
* Remove dead debug info intrinsics.Devang Patel2010-01-05
* Truncate GEP indexes larger than the pointer size down to pointer sizeChris Lattner2010-01-04
* implement an instcombine xform needed by clang's codegenChris Lattner2010-01-04
* generalize the previous transformation to handle indexing intoChris Lattner2010-01-03
* teach instcombine to optimize idioms like A[i]&42 == 0. ThisChris Lattner2010-01-02
* Teach the table lookup optimization to generate range comparesChris Lattner2010-01-02