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* do not try to analyze bitcasts from i64 to <2 x i32> in ComputedMaskedBits. ...Chris Lattner2009-07-021-0/+15
* Fix an instcombine abort on a scalar-to-vector bitcast. This fixes PR4487.Dan Gohman2009-07-011-0/+14
* Don't cache PHI exit values from exhaustive evaluations, becauseDan Gohman2009-06-291-0/+78
* Don't try to split a loop when the controlling icmp instructionDan Gohman2009-06-271-0/+195
* Teach LoopSimplify how to merge multiple loop exits into a single exit,Dan Gohman2009-06-271-0/+45
* When a value is used multiple times within a single PHI, instructionsDan Gohman2009-06-271-0/+33
* Add some testcases for some of the recent ScalarEvolution bug fixes.Dan Gohman2009-06-261-0/+33
* Fix LCSSA to avoid emitting a PHI node for the unwind destination ofDan Gohman2009-06-261-0/+143
* Simplify [su]max(MAX, n) to MAX. This comes up in loop tripcountDan Gohman2009-06-242-3/+66
* When inserting code into a loop preheader, insert it before theDan Gohman2009-06-241-0/+61
* Fix ScalarEvolution's backedge-taken count computations to check forDan Gohman2009-06-211-2/+4
* Expand this test to handle more cases (remainder and shifts) of zero.Nick Lewycky2009-06-211-0/+11
* implement PR4424: 0/x is always 0 for integer division.Chris Lattner2009-06-211-0/+12
* Tweak this test to be a little less unusual.Dan Gohman2009-06-201-2/+2
* Generalize isLoopGuardedByCond's checking to consider twoDan Gohman2009-06-201-0/+107
* Don't (unconditionally) use getSCEVAtScope to simplify the stepDan Gohman2009-06-191-0/+18
* make jump threading handle lexically identical compare instructionsChris Lattner2009-06-191-0/+30
* Teach jump threading to look at comparisons between phi nodes and non-constants.Nick Lewycky2009-06-191-0/+21
* Improve tail call elim to move loads above readonly callsChris Lattner2009-06-192-0/+165
* part of PR4405: disable a contentious optimization forChris Lattner2009-06-191-10/+0
* Remove the code from IVUsers that attempted to handleDan Gohman2009-06-182-2/+5
* Generalize the zext(trunc(t) & C) instcombine to work even withDan Gohman2009-06-181-1/+16
* Instcombine zext(trunc(x) & mask) to x&mask, even if the trunc hasDan Gohman2009-06-171-0/+23
* Add -disable-output to a bunch of tests that don't care about the output.Dan Gohman2009-06-171-1/+1
* This fixes a bug introduced in 72661, which canDale Johannesen2009-06-172-4/+77
* Correct an accidental duplication of the test (patch doesn't handle Eli Friedman2009-06-171-9/+0
* PR3439: Correct a silly mistake in the SimplifyDemandedUseBits code for Eli Friedman2009-06-171-0/+18
* Generalize a few more instcombines to be vector/scalar-independent.Dan Gohman2009-06-162-0/+15
* Instcombine's ShrinkDemandedConstant may strip bits out of constants,Dan Gohman2009-06-161-0/+14
* Testcase for r73506Chris Lattner2009-06-161-0/+15
* Support vector casts in more places, fixing a variety of assertionDan Gohman2009-06-151-0/+55
* Fix the crash in this test. This is basically the sameDale Johannesen2009-06-151-0/+557
* fix testcase to properly check for the patch in r73195.Chris Lattner2009-06-151-1/+1
* Implement more aggressive folding of add operand lists whenDan Gohman2009-06-141-0/+38
* Teach SCEVExpander's visitAddRecExpr to reuse an existing canonicalDan Gohman2009-06-132-1/+25
* Don't do (x - (y - z)) --> (x + (z - y)) on floating-point types, becauseDan Gohman2009-06-121-0/+8
* Given two identical weak functions, produce one internal function and two weakNick Lewycky2009-06-121-0/+13
* This test is wrong. If you have two weak functions F and G you can't makeNick Lewycky2009-06-121-11/+0
* Fix 4366: store to null in non-default addr space should not beChris Lattner2009-06-111-0/+7
* PR4340: Run SimplifyDemandedVectorElts on insertelement instructions; Eli Friedman2009-06-061-0/+14
* Split the Add, Sub, and Mul instruction opcodes into separateDan Gohman2009-06-0447-139/+139
* Check in test changes that I accidentally left out of r72872.Dan Gohman2009-06-041-8/+0
* Don't attempt to simplify an non-affine IV expression if it can'tDan Gohman2009-06-032-0/+43
* Avoid infinite looping in AllGlobalLoadUsesSimpleEnoughForHeapSRA(). This can...Evan Cheng2009-06-021-0/+117
* PR4286: Make RewriteLoadUserOfWholeAlloca and Eli Friedman2009-06-011-0/+17
* Be more aggressive in doing LoadPRE by tracing backwards when a block only hasOwen Anderson2009-05-311-0/+32
* fix PR4284, a bug in simplifylibcalls handling memcmp. Patch by Chris Lattner2009-05-301-0/+14
* Use Operands.data() instead of &Operands[0] where Operands is a potentiallyNick Lewycky2009-05-281-0/+10
* Revert 72493 and replace it with a more conservative fix, for now: don'tDan Gohman2009-05-271-0/+25
* In ChangeCompareStride, when the stride to be reused is truncated toDan Gohman2009-05-271-0/+33