2009-03-02 |
Duncan Sands | Fix PR3694: add an instcombine micro-optimization that... |
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2009-02-25 |
Chris Lattner | Fix PR3667 |
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2009-02-24 |
Dan Gohman | Add a testcase for the problem fixed in r65289. |
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2009-02-24 |
Dan Gohman | Fix a ValueTracking rule: RHS means operand 1, not... |
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2009-02-21 |
Nick Lewycky | Don't sign extend the char when expanding char -> int... |
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2009-02-21 |
Chris Lattner | rename a function to indicate that it checks for profit... |
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2009-02-18 |
Dan Gohman | Change the argument type in this test to something... |
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2009-02-17 |
Chris Lattner | commit a tweaked version of Daniel's patch for PR3599... |
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2009-02-16 |
Dan Gohman | Fix EnforceKnownAlignment so that it doesn't ever reduc... |
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2009-02-16 |
Dan Gohman | Change these tests to use regular loads instead of... |
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2009-02-12 |
Nate Begeman | Add suppport for ConstantExprs of shufflevectors whose... |
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2009-02-07 |
Mon P Wang | Instrcombine should not change load(cast p) to cast... |
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2009-02-04 |
Duncan Sands | Allow the inverse transform x86_fp80 -> i80 (also |
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2009-02-04 |
Duncan Sands | Fix PR3468: a crash when constant folding a bitcast of |
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2009-02-03 |
Evan Cheng | APInt'fy SimplifyDemandedVectorElts so it can analyze... |
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2009-02-02 |
Chris Lattner | reduce testcase. |
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2009-01-31 |
Nick Lewycky | Reinstate this optimization to fold icmp of xor when... |
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2009-01-31 |
Chris Lattner | Fix PR3452 (an infinite loop bootstrapping) by disablin... |
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2009-01-31 |
Chris Lattner | now that all the pieces are in place, teach instcombine's |
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2009-01-31 |
Chris Lattner | make sure to set Changed=true when instcombine hacks... |
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2009-01-26 |
Mon P Wang | Fixed optimization of combining two shuffles where... |
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2009-01-24 |
Torok Edwin | testcase for PR3381. |
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2009-01-24 |
Chris Lattner | Make InstCombineStoreToCast handle aggregates more... |
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2009-01-21 |
Dale Johannesen | Do not use host floating point types when emitting |
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2009-01-21 |
Dale Johannesen | Disable on x86_64 until I figure out what's wrong. |
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2009-01-21 |
Dale Johannesen | Make special cases (0 inf nan) work for frem. |
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2009-01-20 |
Dale Johannesen | Calls to fmod, it turns out, are constant-folded by |
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2009-01-19 |
Dale Johannesen | Move & restructure test per review. |
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2009-01-16 |
Chris Lattner | Fix PR3335 by not turning a store to one address space... |
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2009-01-16 |
Evan Cheng | Clean up previous cast optimization a bit. Also make... |
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2009-01-15 |
Evan Cheng | - Teach CanEvaluateInDifferentType of this xform: sext... |
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2009-01-13 |
Dan Gohman | Make instcombine ensure that all allocas are explicitly... |
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2009-01-09 |
Chris Lattner | Implement rdar://6480391, extending of equality icmp... |
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2009-01-09 |
Chris Lattner | Fix part 3/2 of PR3290, making instcombine zap (gep... |
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2009-01-08 |
Chris Lattner | ValueTracker can't assume that an alloca with no specif... |
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2009-01-05 |
Chris Lattner | make m_ConstantInt(int64_t) safely match ConstantInt... |
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2009-01-04 |
Bill Wendling | XFAIL this test. The xform was removed. |
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2009-01-01 |
Bill Wendling | Add transformation: |
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2008-12-18 |
Nick Lewycky | Make all the vector elements positive in an srem of... |
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2008-12-01 |
Bill Wendling | Use m_Specific() instead of double matching. |
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2008-12-01 |
Chris Lattner | simplify these patterns using m_Specific. No need... |
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2008-12-01 |
Chris Lattner | Teach inst combine to merge GEPs through PHIs. This... |
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2008-12-01 |
Bill Wendling | Implement ((A|B)&1)|(B&-2) -> (A&1) | B transformation... |
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2008-11-30 |
Bill Wendling | Add instruction combining for ((A&~B)|(~A&B)) -> A... |
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2008-11-30 |
Bill Wendling | Implement (A&((~A)|B)) -> A&B transformation in the... |
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2008-11-30 |
Bill Wendling | getSExtValue() doesn't work for ConstantInts with bitwi... |
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2008-11-30 |
Bill Wendling | Strengthen check for div inst-combining. |
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2008-11-30 |
Bill Wendling | Instcombine was illegally transforming -X/C into X... |
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2008-11-27 |
Nick Lewycky | Chris prefers icmp/select over udiv! |
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2008-11-27 |
Nick Lewycky | Add a couple of missed optimizations on integer vectors... |
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2008-11-21 |
Nick Lewycky | Optimize (x/y)*y into x-(x%y) in general. Div and rem... |
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2008-11-16 |
Chris Lattner | Handle the case where there is no "not". It is possibl... |
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2008-11-16 |
Chris Lattner | make this actually test what it is trying to. |
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2008-11-09 |
Bill Wendling | If the LHS of the FCMP is coming from a UIToFP instruct... |
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2008-11-02 |
Nick Lewycky | Fix demanded bits analysis with srem by negative number... |
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2008-11-02 |
Dan Gohman | Fix this recently moved code to use the correct type... |
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2008-10-30 |
Dan Gohman | Canonicalize sext(i1) to i1?-1:0, and update various... |
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2008-10-28 |
Dan Gohman | (A & sext(C)) | (B & ~sext(C) -> C ? A : B |
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2008-10-24 |
Nick Lewycky | Don't try to create a mask when we don't need one.... |
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2008-10-15 |
Dan Gohman | Teach instcombine's visitLoad to scan back several... |
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2008-10-14 |
Evan Cheng | Combine (fcmp cc0 x, y) | (fcmp cc1 x, y) into a single... |
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2008-10-14 |
Evan Cheng | - Somehow I forgot about one / une. |
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2008-10-14 |
Evan Cheng | Optimize anding of two fcmp into a single fcmp if the... |
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2008-10-11 |
Chris Lattner | Fix PR2697 by rewriting the '(X / pos) op neg' logic... |
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2008-10-05 |
Chris Lattner | rewrite bswap matching to be more general, allowing... |
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2008-09-30 |
Nick Lewycky | Fix misoptimization of: xor i1 (icmp eq (X, C1), icmp... |
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2008-09-16 |
Dan Gohman | Improve instcombine's handling of integer min and max... |
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2008-09-11 |
Dan Gohman | On 64-bit targets, change 32-bit getelementptr indices... |
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2008-09-11 |
Dan Gohman | Fix a vectorshuffle instcombine bug introduced by r55995. |
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2008-09-10 |
Dan Gohman | Fix an icmp+sdiv optimization to check for and handle... |
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2008-09-09 |
Dan Gohman | Make SimplifyDemandedVectorElts simplify vectors with... |
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2008-09-03 |
Nick Lewycky | Don't crash when trying to constant fold a vector with... |
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2008-08-21 |
Nick Lewycky | Revert r54876 r54877 r54906 and r54907. Evan found... |
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2008-08-17 |
Nick Lewycky | Consider the case where xor by -1 and xor by 128 have... |
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2008-08-17 |
Nick Lewycky | Xor'ing both sides of icmp by sign-bit is equivalent... |
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2008-08-16 |
Owen Anderson | Remove GCSE and LoadVN from the testsuite. |
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2008-08-13 |
Dan Gohman | Fix a bogus srem rule - a negative value srem'd by... |
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2008-08-11 |
Chris Lattner | Implement support for simplifying vector comparisons... |
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2008-08-06 |
Dan Gohman | Fix a shufflevector instcombine that was emitting inval... |
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2008-08-06 |
Chris Lattner | optimize a common idiom generated by clang for bitfield... |
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2008-08-06 |
Chris Lattner | Zap sitofp/fptoui pairs. In all cases when the sign... |
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2008-08-06 |
Nick Lewycky | Reinstate this optimization, but without the miscompile... |
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2008-08-06 |
Bill Wendling | Just grep for through the LL code instead of the ASM... |
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2008-08-05 |
Bill Wendling | Add default architecture. |
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2008-08-05 |
Bill Wendling | Testcase for PR2629. |
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2008-08-05 |
Bill Wendling | Revert r53282. This was causing a miscompile on Linux... |
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2008-07-17 |
Chris Lattner | Fix PR2553 |
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2008-07-16 |
Matthijs Kooijman | Add a few cases to instcombine's extractvalue testcase. |
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2008-07-16 |
Evan Cheng | Fix PR2296. Do not transform x86_sse2_storel_dq into... |
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2008-07-14 |
Chris Lattner | Fix PR2506 by being a bit more careful about reverse... |
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2008-07-12 |
Nick Lewycky | Enhance analysis of srem. |
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2008-07-11 |
Nick Lewycky | Add another optimization from PR2330. Also catch some... |
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2008-07-11 |
Chris Lattner | Fix folding of icmp's of i1 where the comparison is... |
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2008-07-11 |
Chris Lattner | Fix a bogus optimization: folding (slt (zext i1 A to... |
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2008-07-11 |
Chris Lattner | make this condition more precise. |
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2008-07-10 |
Nick Lewycky | Fix overzealous optimization. Thanks to Duncan Sands... |
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2008-07-09 |
Nick Lewycky | Fold (a < 8) && (b < 8) into (a|b) < 8 for unsigned... |
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2008-07-09 |
Nick Lewycky | Fold ((1 << a) & 1) to (a == 0). |
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2008-07-09 |
Chris Lattner | Fix a broken test. Neither load is eliminable without... |
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2008-07-09 |
Nick Lewycky | Reduce x - y to -y when we know the 'x' part will get... |
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