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* Don't delete asm's just because their inputs are undefined;Dale Johannesen2009-07-141-0/+11
* PR4548: optimize zext+udiv+trunc to udiv.Eli Friedman2009-07-131-0/+19
* Fix bug in run-line.Eli Friedman2009-07-131-3/+1
* Canonicalize boolean +/- a constant to a select.Eli Friedman2009-07-131-0/+31
* Reapply 75252, with a fix to avoid the infinite recursion case. TheDan Gohman2009-07-131-1/+0
* Move the re-sort of invalidated NonLocalPointerDeps cache earlierChris Lattner2009-07-131-0/+67
* Revert r75252 which was causing some crashes at compile time.Nick Lewycky2009-07-111-0/+1
* Generalize ScalarEvolution's cast-folding code to support more kindsDan Gohman2009-07-101-0/+143
* There's no need to consider PHI nodes in the same block as the instructionNick Lewycky2009-07-092-0/+74
* Remove the vicmp and vfcmp instructions. Because we never had a release withNick Lewycky2009-07-081-12/+12
* 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