| Commit message (Expand) | Author | Age | Files | Lines |
* | Teach ComputeMaskedBits about sub nsw. | Benjamin Kramer | 2011-03-12 | 1 | -0/+23 |
* | Teach ComputeMaskedBits about nsw on add. I don't think there's anything we can | Nick Lewycky | 2011-03-11 | 1 | -0/+10 |
* | Fix mistyped CHECK lines. | Benjamin Kramer | 2011-03-09 | 1 | -1/+1 |
* | Add another micro-optimization. Apologies for the lack of refactoring, but I | Nick Lewycky | 2011-03-09 | 1 | -0/+8 |
* | Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever | Nick Lewycky | 2011-03-05 | 1 | -0/+9 |
* | Revert broken srem logic from r126991. | Nick Lewycky | 2011-03-04 | 1 | -9/+0 |
* | Fold "icmp pred (srem X, Y), Y" like we do for urem. Handle signed comparisons | Nick Lewycky | 2011-03-04 | 1 | -0/+18 |
* | Teach instruction simplify to use constant ranges to solve problems of the form | Nick Lewycky | 2011-03-04 | 1 | -4/+76 |
* | Optimize "icmp pred (urem X, Y), Y" --> true/false depending on pred. There's | Nick Lewycky | 2011-03-01 | 1 | -0/+16 |
* | Teach instsimplify that X+Y>=X+Z is the same as Y>=Z if neither side overflows, | Duncan Sands | 2011-02-13 | 1 | -0/+20 |
* | Teach instsimplify some tricks about exact/nuw/nsw shifts. | Chris Lattner | 2011-02-09 | 1 | -0/+44 |
* | teach instsimplify to transform (X / Y) * Y to X | Chris Lattner | 2011-02-06 | 1 | -0/+20 |
* | rename test. | Chris Lattner | 2011-02-06 | 1 | -0/+0 |
* | Improve threading of comparisons over select instructions (spotted by my | Duncan Sands | 2011-02-03 | 1 | -0/+35 |
* | Reenable the transform "(X*Y)/Y->X" when the multiplication is known not to | Duncan Sands | 2011-02-02 | 1 | -0/+4 |
* | Have m_One also match constant vectors for which every element is 1. | Duncan Sands | 2011-02-01 | 1 | -0/+8 |
* | Commit 124487 broke 254.gap. See if disabling the part that might be triggered | Duncan Sands | 2011-01-30 | 1 | -4/+0 |
* | Transform (X/Y)*Y into X if the division is exact. Instcombine already knows... | Duncan Sands | 2011-01-30 | 1 | -0/+18 |
* | Move InstCombine's knowledge of fdiv to SimplifyInstruction(). | Frits van Bommel | 2011-01-29 | 1 | -0/+17 |
* | Fix typo: should have been testing that X was odd, not V. | Duncan Sands | 2011-01-29 | 1 | -0/+24 |
* | My auto-simplifier noticed that ((X/Y)*Y)/Y occurs several times in SPEC | Duncan Sands | 2011-01-28 | 1 | -0/+56 |
* | In which I discover that zero+zero is zero, d'oh! | Duncan Sands | 2011-01-25 | 1 | -1/+14 |
* | Turn off this test - the corresponding instsimplify logic has been | Duncan Sands | 2011-01-25 | 1 | -2/+0 |
* | According to my auto-simplifier the most common missed simplifications in | Duncan Sands | 2011-01-25 | 1 | -0/+54 |
* | At -O123 the early-cse pass is run before instcombine has run. According to my | Duncan Sands | 2011-01-20 | 1 | -0/+45 |
* | For completeness, generalize the (X + Y) - Y -> X transform and add X - (X + ... | Duncan Sands | 2011-01-18 | 1 | -0/+20 |
* | Simplify (X<<1)-X into X. According to my auto-simplier this is the most com... | Duncan Sands | 2011-01-18 | 1 | -0/+20 |
* | Turn X-(X-Y) into Y. According to my auto-simplifier this is the most common | Duncan Sands | 2011-01-14 | 1 | -0/+8 |
* | Factorize common code out of the InstructionSimplify shift logic. Add in | Duncan Sands | 2011-01-14 | 1 | -0/+9 |
* | Rename this test. | Duncan Sands | 2011-01-14 | 1 | -0/+0 |
* | The most common simplification missed by instsimplify in unoptimized bitcode | Duncan Sands | 2011-01-13 | 1 | -0/+7 |
* | Revert commit 122654 at the request of Chris, who reckons that instsimplify | Duncan Sands | 2011-01-01 | 1 | -9/+0 |
* | Fix a README item by having InstructionSimplify do a mild form of value | Duncan Sands | 2011-01-01 | 1 | -0/+9 |
* | When determining whether the new instruction was already present in | Duncan Sands | 2010-12-22 | 1 | -0/+11 |
* | Add an additional InstructionSimplify factorization test. | Duncan Sands | 2010-12-21 | 1 | -0/+10 |
* | While I don't think any later transforms can fire, it seems cleaner to | Duncan Sands | 2010-12-21 | 1 | -0/+22 |
* | Fix typo in comment, spotted by Deewiant. | Duncan Sands | 2010-12-21 | 1 | -1/+1 |
* | Teach InstructionSimplify about distributive laws. These transforms fire | Duncan Sands | 2010-12-21 | 1 | -0/+21 |
* | Add generic simplification of associative operations, generalizing | Duncan Sands | 2010-12-21 | 2 | -0/+67 |