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* Improve instcombine's handling of integer min and max in two ways:Dan Gohman2008-09-162-0/+107
* On 64-bit targets, change 32-bit getelementptr indices to be 64-bitDan Gohman2008-09-111-0/+58
* Fix a vectorshuffle instcombine bug introduced by r55995.Dan Gohman2008-09-112-0/+39
* Fix an icmp+sdiv optimization to check for and handle an overflowDan Gohman2008-09-101-0/+8
* Make SimplifyDemandedVectorElts simplify vectors with multipleDan Gohman2008-09-091-0/+33
* Don't crash when trying to constant fold a vector with some elements that can'tNick Lewycky2008-09-031-0/+27
* Revert r54876 r54877 r54906 and r54907. Evan found that these caused a 20%Nick Lewycky2008-08-211-1/+2
* Consider the case where xor by -1 and xor by 128 have been combined already toNick Lewycky2008-08-171-0/+19
* Xor'ing both sides of icmp by sign-bit is equivalent to swapping signedness ofNick Lewycky2008-08-171-0/+22
* Remove GCSE and LoadVN from the testsuite.Owen Anderson2008-08-162-2/+2
* Fix a bogus srem rule - a negative value srem'd by a power-of-2Dan Gohman2008-08-131-0/+18
* Implement support for simplifying vector comparisons by 0.0 and 1.0 like weChris Lattner2008-08-111-2/+15
* Fix a shufflevector instcombine that was emitting invalid masks indicesDan Gohman2008-08-061-0/+109
* optimize a common idiom generated by clang for bitfield access, PR2638.Chris Lattner2008-08-061-0/+10
* Zap sitofp/fptoui pairs. In all cases when the sign difference Chris Lattner2008-08-061-1/+13
* Reinstate this optimization, but without the miscompile. Thanks to Bill forNick Lewycky2008-08-061-0/+10
* Just grep for through the LL code instead of the ASM codeBill Wendling2008-08-061-1/+1
* Add default architecture.Bill Wendling2008-08-051-1/+1
* Testcase for PR2629.Bill Wendling2008-08-051-0/+23
* Revert r53282. This was causing a miscompile on Linux. Also, the transformationBill Wendling2008-08-051-10/+0
* Fix PR2553Chris Lattner2008-07-171-0/+8
* Add a few cases to instcombine's extractvalue testcase.Matthijs Kooijman2008-07-161-2/+16
* Fix PR2296. Do not transform x86_sse2_storel_dq into a full-width store.Evan Cheng2008-07-161-0/+13
* Fix PR2506 by being a bit more careful about reverse fact propagation whenChris Lattner2008-07-142-3/+19
* Enhance analysis of srem.Nick Lewycky2008-07-121-0/+9
* Add another optimization from PR2330. Also catch some missing cases that areNick Lewycky2008-07-111-0/+19
* Fix folding of icmp's of i1 where the comparison is signed. The codeChris Lattner2008-07-111-1/+10
* Fix a bogus optimization: folding (slt (zext i1 A to i32), 1) -> (slt i1 A, t...Chris Lattner2008-07-111-0/+8
* make this condition more precise.Chris Lattner2008-07-111-2/+1
* Fix overzealous optimization. Thanks to Duncan Sands for pointing out my error!Nick Lewycky2008-07-101-0/+9
* Fold (a < 8) && (b < 8) into (a|b) < 8 for unsigned less or greater than.Nick Lewycky2008-07-091-0/+10
* Fold ((1 << a) & 1) to (a == 0).Nick Lewycky2008-07-091-0/+10
* Fix a broken test. Neither load is eliminable without changing the CFG.Chris Lattner2008-07-091-1/+1
* Reduce x - y to -y when we know the 'x' part will get masked off anyways.Nick Lewycky2008-07-091-0/+9
* new testcase for PR2496Chris Lattner2008-07-081-0/+26
* Fix missed optimization opportunity when analyzing cast of mul and select.Nick Lewycky2008-07-051-0/+29
* Fix PR2488, a case where we deleted stack restores too aggressively.Chris Lattner2008-06-251-0/+39
* Fix for PR2479: correctly optimize expressions like (a > 13) & (a == Eli Friedman2008-06-211-0/+11
* Fix PR2471, which is a bug involving an invalid promotion from a conditional ...Chris Lattner2008-06-201-0/+16
* implement some simple bswap optimizations, rdar://5992453Chris Lattner2008-06-181-4/+27
* make truncate/sext elimination capable of changing phi's. This Chris Lattner2008-06-181-2/+15
* Make testcase check for extractvalue instead of extractelement.Matthijs Kooijman2008-06-161-1/+1
* Remove unnecessary target lines.Eli Friedman2008-06-131-2/+0
* Remove unnecessary target lines.Eli Friedman2008-06-131-2/+0
* Don't skip over instructions other than loads that might read memory Eli Friedman2008-06-131-0/+19
* Make sure SimplifyStoreAtEndOfBlock doesn't mess with loops; the Eli Friedman2008-06-131-0/+22
* Teach instruction combining about the extractvalue. It can succesfully foldMatthijs Kooijman2008-06-111-0/+24
* Ignore stderr for some more tests that expect warnings there.Matthijs Kooijman2008-06-102-2/+4
* Fix two more not-grep tests that were missing llvm-dis.Dan Gohman2008-06-091-2/+2
* Limit the icmp+phi merging optimization to the cases where it is profitable:Chris Lattner2008-06-081-0/+49
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