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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2008-08-05 |
Bill Wendling | Revert r53282. This was causing a miscompile on Linux... |
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2008-07-29 |
Nate Begeman | Add vector shifts to the IR, patch by Eli Friedman. |
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2008-07-23 |
Dan Gohman | Enable first-class aggregates support. |
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2008-07-17 |
Chris Lattner | Fix PR2553 |
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2008-07-16 |
Matthijs Kooijman | Redo InstCombiner::visitExtractValueInst. Instead of... |
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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 | Document 'mask' in this calculation. |
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2008-07-11 |
Nick Lewycky | Remove misleading constant from comment. |
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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 | a missed optimization that Eli spotted |
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2008-07-11 |
Chris Lattner | another bug in the same line. |
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2008-07-11 |
Chris Lattner | fix a bug spotted by Eli's eagle eyes |
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2008-07-11 |
Chris Lattner | simplify and merge a bunch of code. Instead of compari... |
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2008-07-11 |
Chris Lattner | fold away (x <= cst) earlier, allowing us to not have to |
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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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2008-07-10 |
Nick Lewycky | Fix overzealous optimization. Thanks to Duncan Sands... |
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2008-07-09 |
Nick Lewycky | Simplify, suggested by Chris Lattner. |
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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 |
Nick Lewycky | Reduce x - y to -y when we know the 'x' part will get... |
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2008-07-08 |
Chris Lattner | Fix PR2496, a really nasty bug which involved sinking... |
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2008-07-07 |
Dan Gohman | Make DenseMap's insert return a pair, to more closely... |
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2008-07-05 |
Nick Lewycky | Fix missed optimization opportunity when analyzing... |
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2008-06-30 |
Evan Cheng | - Re-apply 52748 and friends with fix. GetConstantStrin... |
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2008-06-29 |
Anton Korobeynikov | Revert (52748 and friends): |
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2008-06-26 |
Eric Christopher | Move GetConstantStringInfo to lib/Analysis. Remove |
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2008-06-25 |
Chris Lattner | Fix PR2488, a case where we deleted stack restores... |
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2008-06-21 |
Eli Friedman | Fix for PR2479: correctly optimize expressions like... |
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2008-06-20 |
Chris Lattner | Fix PR2471, which is a bug involving an invalid promoti... |
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2008-06-19 |
Bill Wendling | Remove dead code causing a warning. |
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2008-06-19 |
Dan Gohman | Use Instruction::moveBefore instead of manipulating... |
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2008-06-18 |
Chris Lattner | Fix the regressions on sext-misc.ll my patch yesterday... |
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2008-06-18 |
Chris Lattner | implement some simple bswap optimizations, rdar://5992453 |
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2008-06-18 |
Chris Lattner | make truncate/sext elimination capable of changing... |
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2008-06-17 |
Duncan Sands | Fix typo that changed the logic to something wrong. |
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2008-06-16 |
Matthijs Kooijman | Pass around Instruction* instead of Instruction& in... |
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2008-06-16 |
Matthijs Kooijman | 80 column fixes. |
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2008-06-16 |
Matthijs Kooijman | Move FindScalarValue from InstructionCombining.cpp... |
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2008-06-13 |
Eli Friedman | Don't skip over instructions other than loads that... |
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2008-06-13 |
Eli Friedman | Make sure SimplifyStoreAtEndOfBlock doesn't mess with... |
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2008-06-12 |
Gabor Greif | fix a minor deviation from the original in my previous... |
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2008-06-12 |
Gabor Greif | op_iterator-ify some loops, low hanging fruit only... |
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2008-06-11 |
Matthijs Kooijman | Teach instruction combining about the extractvalue... |
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2008-06-11 |
Matthijs Kooijman | Clarify a comment. |
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2008-06-08 |
Chris Lattner | Limit the icmp+phi merging optimization to the cases... |
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2008-06-06 |
Zhou Sheng | As Chris suggested, handle the situation if ShAmt large... |
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2008-06-05 |
Zhou Sheng | If BitWidth equals to ShtAmt, the RHSKnownZero[BitWidth... |
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2008-06-02 |
Chris Lattner | move CannotBeNegativeZero to ValueTracking. Simplify... |
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2008-06-02 |
Chris Lattner | move ComputeMaskedBits, MaskedValueIsZero, and ComputeN... |
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2008-06-01 |
Duncan Sands | When simplifying a call to a bitcast function, tighten up |
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2008-05-31 |
Nick Lewycky | Peer through sext/zext when looking for not(cmp). |
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2008-05-31 |
Nick Lewycky | Add more i1 optimizations. add, sub, mul, s/udiv on... |
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2008-05-31 |
Nick Lewycky | Adding i1 is always Xor. |
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2008-05-29 |
Dan Gohman | const-ify getOpcode. |
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2008-05-28 |
Chris Lattner | Implement PR2370: memmove(x,x,size) -> noop. |
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2008-05-25 |
Nick Lewycky | "ret (constexpr)" can't be folded into a Constant.... |
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2008-05-24 |
Chris Lattner | Fix a serious brain-o. Obviously no-one reviewed my... |
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2008-05-23 |
Dan Gohman | Tidy up BasicBlock::getFirstNonPHI, and change a bunch... |
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2008-05-23 |
Matthijs Kooijman | Replace some weird usage of UserOp1 introduced in r4949... |
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2008-05-23 |
Nick Lewycky | Constant integer vectors may also be negated. |
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2008-05-23 |
Nick Lewycky | Typo. |
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2008-05-23 |
Nick Lewycky | Revert X + X --> X * 2 optz'n which pessimizes heavily... |
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2008-05-23 |
Nick Lewycky | Implement X + X for vectors. |
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2008-05-23 |
Nick Lewycky | Fix a recently added optimization to not crash on vectors. |
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2008-05-23 |
Dan Gohman | Generalize the new code in instcombine's ComputeNumSign... |
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2008-05-23 |
Dan Gohman | Use isSingleValueType instead of isFirstClassType to |
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2008-05-20 |
Dan Gohman | Port SelectionDAG's ComputeNumSignBits-using code to... |
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2008-05-20 |
Chris Lattner | Teach instcombine 4 new xforms: |
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2008-05-20 |
Chris Lattner | fix two issues Neil noticed, thanks! |
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2008-05-20 |
Dan Gohman | Make AssociativeOpt static. |
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2008-05-19 |
Dan Gohman | Add a ComputeNumSignBits function for use by instcombin... |
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2008-05-19 |
Chris Lattner | switch to Type::getFPMantissaWidth instead of reinventi... |
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2008-05-19 |
Chris Lattner | minor cleanups, teach instcombine that sitofp/uitofp... |
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2008-05-19 |
Chris Lattner | convert fptosi(sitofp x) -> x if the fp value has... |
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2008-05-19 |
Chris Lattner | Fold FP comparisons where one operand is converted... |
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2008-05-19 |
Chris Lattner | remove debug output |
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2008-05-19 |
Chris Lattner | be more aggressive about transforming add -> or when... |
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2008-05-18 |
Chris Lattner | Fix PR2339 |
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2008-05-17 |
Nick Lewycky | Move isTrueWhenEqual to ICmpInst. |
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2008-05-16 |
Gabor Greif | API change for {BinaryOperator|CmpInst|CastInst}::creat... |
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2008-05-16 |
Chris Lattner | implement PR2328. |
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2008-05-15 |
Gabor Greif | Fix a bunch of 80col violations that arose from the... |
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2008-05-14 |
Bill Wendling | Situations can arise when you have a function called... |
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2008-05-13 |
Dan Gohman | Clean up the use of static and anonymous namespaces... |
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2008-05-09 |
Chris Lattner | don't sink invokes, even if they are readonly. This... |
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2008-05-09 |
Chris Lattner | Implement PR2298. This transforms: |
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2008-05-08 |
Chris Lattner | More than just loads can read from memory: readonly... |
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2008-05-08 |
Chris Lattner | Make instcombine's DSE respect loads as well as stores... |
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2008-05-07 |
Anton Korobeynikov | Turn StripPointerCast() into a method |
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2008-05-07 |
Dan Gohman | Fix a bug in the ComputeMaskedBits logic for multiply. |
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2008-05-06 |
Anton Korobeynikov | Make StripPointerCast a common function (should we... |
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2008-05-06 |
Devang Patel | Fix typo. |
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2008-05-06 |
Dan Gohman | Correct the value of LowBits in srem and urem handling in |
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2008-05-03 |
Devang Patel | Do not sink getresult. |
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