Age | Commit message (Expand) | Author |
2012-03-28 | Revert r153521 as it's causing large regressions on the nightly testers. | Chad Rosier |
2012-03-27 | Reapply r153423; the original commit was fine. The failing test, distray, had | Chad Rosier |
2012-03-26 | Revert r153423 as this is causing failures on our internal nightly testers. | Chad Rosier |
2012-03-26 | Use the new range metadata in computeMaskedBits and add a new optimization to | Rafael Espindola |
2012-03-25 | Teach instsimplify how to simplify comparisons of pointers which are | Chandler Carruth |
2012-03-25 | Switch the pointer-difference simplification logic to only work with | Chandler Carruth |
2012-03-13 | Generalize the "trunc(ptrtoint(x)) - trunc(ptrtoint(y)) -> | Duncan Sands |
2012-03-12 | Teach instsimplify how to constant fold pointer differences. | Chandler Carruth |
2012-03-05 | Make sure we don't return bits outside the mask in ComputeMaskedBits. PR12189. | Eli Friedman |
2012-02-26 | Reinstate the optimization from r151449 with a fix to not turn 'gep %x' into | Nick Lewycky |
2012-02-25 | Roll these back to r151448 until I figure out how they're breaking | Nick Lewycky |
2012-02-25 | An argument and a local identified object (eg. a noalias call) could turn out | Nick Lewycky |
2012-02-25 | Teach instsimplify to be more aggressive when analyzing comparisons of pointers | Nick Lewycky |
2012-02-24 | fix PR12075, a regression in a recent transform I added. In unreachable code... | Chris Lattner |
2012-02-20 | fold comparisons of gep'd alloca points with null to false, | Chris Lattner |
2012-02-18 | Fix a rather nasty regression from r150690: LHS != RHS does not imply LHS->st... | Eli Friedman |
2012-02-16 | InstSimplify: Ignore pointer casts when constant folding compares between poi... | Benjamin Kramer |
2012-02-16 | Replace all instances of dg.exp file with lit.local.cfg, since all tests are ... | Eli Bendersky |
2012-02-10 | Fix PR11948: the result type of an icmp may be a vector of boolean - | Duncan Sands |
2012-02-10 | Revert commit 149912 (lattner) and add a testcase that shows the problem (which | Duncan Sands |
2011-12-05 | Add support for vectors of pointers. | Nadav Rotem |
2011-11-23 | Fix a crash in which a multiplication was being reported as being both negative | Duncan Sands |
2011-11-08 | Fix code to match comment. Fixes PR11340, a regression from r143209. | Eli Friedman |
2011-11-04 | Add tests for existing InstSimplify features. | Dan Gohman |
2011-11-04 | Teach instsimplify to simplify calls to undef. | Dan Gohman |
2011-10-30 | Reapply commit 143214 with a fix: m_ICmp doesn't match conditions | Duncan Sands |
2011-10-29 | Revert r143214; it's breaking a bunch of stuff. | Eli Friedman |
2011-10-28 | The expression icmp eq (select (icmp eq x, 0), 1, x), 0 folds to false. | Duncan Sands |
2011-10-28 | A shift of a power of two is a power of two or zero. | Duncan Sands |
2011-10-28 | Fold icmp ugt (udiv X, Y), X to false. Spotted by my super-optimizer | Duncan Sands |
2011-10-27 | Reapply commit 143028 with a fix: the problem was casting a ConstantExpr Mul | Duncan Sands |
2011-10-27 | Revert Duncan's r143028 expression folding which appears to be the culprit | Bob Wilson |
2011-10-26 | The maximum power of 2 dividing a power of 2 is itself. This occurs | Duncan Sands |
2011-10-26 | My super-optimizer noticed that we weren't folding this expression to | Duncan Sands |
2011-09-05 | InstSimplify: Don't try to replace an extractvalue/insertvalue pair with the ... | Benjamin Kramer |
2011-09-05 | Add some simple insertvalue simplifications, for the purpose of cleaning | Duncan Sands |
2011-07-19 | Remove bogus test: for all possible inputs of %X, the 'sub nsw' is guaranteed | Nick Lewycky |
2011-07-01 | Improve constant folding of undef for cmp and select operators. | Dan Gohman |
2011-07-01 | Improve constant folding of undef for binary operators. | Dan Gohman |
2011-05-07 | The comparision "max(x,y)==x" is equivalent to "x>=y". Since the max is | Duncan Sands |
2011-05-04 | Add variations on: max(x,y) >= min(x,z) folds to true. This isn't that common, | Duncan Sands |
2011-05-03 | Implement some basic simplifications involving min/max, for example | Duncan Sands |
2011-05-02 | Move some rem transforms out of instcombine and into instsimplify. | Duncan Sands |
2011-03-12 | Teach ComputeMaskedBits about sub nsw. | Benjamin Kramer |
2011-03-11 | Teach ComputeMaskedBits about nsw on add. I don't think there's anything we can | Nick Lewycky |
2011-03-09 | Fix mistyped CHECK lines. | Benjamin Kramer |
2011-03-09 | Add another micro-optimization. Apologies for the lack of refactoring, but I | Nick Lewycky |
2011-03-05 | Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever | Nick Lewycky |
2011-03-04 | Revert broken srem logic from r126991. | Nick Lewycky |
2011-03-04 | Fold "icmp pred (srem X, Y), Y" like we do for urem. Handle signed comparisons | Nick Lewycky |