| Commit message (Expand) | Author | Age | Files | Lines |
* | Check whether a pointer is non-null (isKnownNonNull) in isKnownNonZero. | Manman Ren | 2013-03-18 | 1 | -0/+11 |
* | Rewrite instsimplify's handling if icmp on pointer values to remove the | Dan Gohman | 2013-02-01 | 1 | -0/+22 |
* | An alloca can be equal to an argument. It can't *alias* an alloca, but it could | Dan Gohman | 2013-01-31 | 1 | -0/+13 |
* | Add support to ValueTracking for determining that a pointer is non-null | Chandler Carruth | 2012-12-07 | 1 | -0/+40 |
* | InstructionSimplify should be able to simplify A+B==B+A to 'true' | Duncan Sands | 2012-11-16 | 1 | -0/+9 |
* | Teach instsimplify how to simplify comparisons of pointers which are | Chandler Carruth | 2012-03-25 | 1 | -0/+62 |
* | Reinstate the optimization from r151449 with a fix to not turn 'gep %x' into | Nick Lewycky | 2012-02-26 | 1 | -0/+63 |
* | Roll these back to r151448 until I figure out how they're breaking | Nick Lewycky | 2012-02-25 | 1 | -54/+0 |
* | An argument and a local identified object (eg. a noalias call) could turn out | Nick Lewycky | 2012-02-25 | 1 | -14/+24 |
* | Teach instsimplify to be more aggressive when analyzing comparisons of pointers | Nick Lewycky | 2012-02-25 | 1 | -0/+44 |
* | fix PR12075, a regression in a recent transform I added. In unreachable code... | Chris Lattner | 2012-02-24 | 1 | -0/+10 |
* | fold comparisons of gep'd alloca points with null to false, | Chris Lattner | 2012-02-20 | 1 | -1/+12 |
* | Fix a rather nasty regression from r150690: LHS != RHS does not imply LHS->st... | Eli Friedman | 2012-02-18 | 1 | -0/+10 |
* | InstSimplify: Ignore pointer casts when constant folding compares between poi... | Benjamin Kramer | 2012-02-16 | 1 | -0/+20 |
* | Fix PR11948: the result type of an icmp may be a vector of boolean - | Duncan Sands | 2012-02-10 | 1 | -0/+7 |
* | Revert commit 149912 (lattner) and add a testcase that shows the problem (which | Duncan Sands | 2012-02-10 | 1 | -0/+9 |
* | Fix code to match comment. Fixes PR11340, a regression from r143209. | Eli Friedman | 2011-11-08 | 1 | -0/+10 |
* | Reapply commit 143214 with a fix: m_ICmp doesn't match conditions | Duncan Sands | 2011-10-30 | 1 | -0/+18 |
* | Revert r143214; it's breaking a bunch of stuff. | Eli Friedman | 2011-10-29 | 1 | -9/+0 |
* | The expression icmp eq (select (icmp eq x, 0), 1, x), 0 folds to false. | Duncan Sands | 2011-10-28 | 1 | -0/+9 |
* | Fold icmp ugt (udiv X, Y), X to false. Spotted by my super-optimizer | Duncan Sands | 2011-10-28 | 1 | -0/+24 |
* | Reapply commit 143028 with a fix: the problem was casting a ConstantExpr Mul | Duncan Sands | 2011-10-27 | 1 | -0/+31 |
* | Revert Duncan's r143028 expression folding which appears to be the culprit | Bob Wilson | 2011-10-27 | 1 | -31/+0 |
* | My super-optimizer noticed that we weren't folding this expression to | Duncan Sands | 2011-10-26 | 1 | -0/+31 |
* | Remove bogus test: for all possible inputs of %X, the 'sub nsw' is guaranteed | Nick Lewycky | 2011-07-19 | 1 | -11/+0 |
* | 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/+189 |