| Commit message (Expand) | Author | Age |
* | InstCombine: fold (A >> C) == (B >> C) --> (A^B) < (1 << C) for constant Cs. | Benjamin Kramer | 2013-11-16 |
* | [InstCombiner] Expose opportunities to merge subtract and comparison. | Quentin Colombet | 2013-09-09 |
* | Teach InstCombine about address spaces | Matt Arsenault | 2013-08-21 |
* | Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easie... | Stephen Lin | 2013-07-14 |
* | Update Transforms tests to use CHECK-LABEL for easier debugging. No functiona... | Stephen Lin | 2013-07-14 |
* | InstCombine: variations on 0xffffffff - x >= 4 | David Majnemer | 2013-07-09 |
* | InstCombine: X & -C != -C -> X <= u ~C | David Majnemer | 2013-07-09 |
* | Commit r185909 was a misapplied patch, fix it | David Majnemer | 2013-07-09 |
* | InstCombine: add more transforms | David Majnemer | 2013-07-09 |
* | InstCombine: Fold X-C1 <u 2 -> (X & -2) == C1 | David Majnemer | 2013-07-08 |
* | InstCombine: typo in or_icmp_eq_B_0_icmp_ult_A_B test | David Majnemer | 2013-07-06 |
* | InstCombine: (icmp eq B, 0) | (icmp ult A, B) -> (icmp ule A, B-1) | David Majnemer | 2013-07-05 |
* | InstCombine: Optimize (1 << X) Pred CstP2 to X Pred Log2(CstP2) | David Majnemer | 2013-06-28 |
* | Add a testcase from pr16244. | Rafael Espindola | 2013-06-06 |
* | InstCombine: Don't just copy known bits from the first operand of an srem. | Benjamin Kramer | 2013-05-09 |
* | Reorders two transforms that collide with each other | David Majnemer | 2013-04-14 |
* | Simplify (A & ~B) in icmp if A is a power of 2 | David Majnemer | 2013-04-12 |
* | Optimize icmp involving addition better | David Majnemer | 2013-04-11 |
* | Address issues found by Duncan during post-commit review of r177856. | Arnaud A. de Grandmaison | 2013-03-25 |
* | InstCombine: simplify comparisons to zero of (shl %x, Cst) or (mul %x, Cst) | Arnaud A. de Grandmaison | 2013-03-25 |
* | Teach InstCombine to work with smaller legal types in icmp (shl %v, C1), C2 | Arnaud A. de Grandmaison | 2013-02-15 |
* | Add extra CHECK to make sure that 'or' instruction was replaced. | Jakub Staszak | 2012-12-31 |
* | Transform (A == C1 || A == C2) into (A & ~(C1 ^ C2)) == C1 | Jakub Staszak | 2012-12-31 |
* | Transform (x&C)>V into (x&C)!=0 where possible | Paul Redmond | 2012-12-19 |
* | Revert r170020, "Simplify negated bit test", for now. | NAKAMURA Takumi | 2012-12-13 |
* | Simplify negated bit test | David Majnemer | 2012-12-12 |
* | Fix PR14361: wrong simplification of A+B==B+A. You may think that the old logic | Duncan Sands | 2012-11-16 |
* | InstCombine: Turn (zext A) == (B & (1<<X)-1) into A == (trunc B), narrowing t... | Benjamin Kramer | 2012-06-10 |
* | Reinstate the optimization from r151449 with a fix to not turn 'gep %x' into | Nick Lewycky | 2012-02-26 |
* | Roll these back to r151448 until I figure out how they're breaking | Nick Lewycky | 2012-02-25 |
* | Teach instsimplify to be more aggressive when analyzing comparisons of pointers | Nick Lewycky | 2012-02-25 |
* | InstCombine: Don't transform a signed icmp of two GEPs into a signed compare ... | Benjamin Kramer | 2012-02-21 |
* | Test case for r150978. | Benjamin Kramer | 2012-02-20 |
* | InstCombine: When comparing two GEPs that were derived from the same base poi... | Benjamin Kramer | 2012-02-20 |
* | Add r149110 back with a fix for when the vector and the int have the same | Rafael Espindola | 2012-01-27 |
* | Revert r149110 and add a testcase that was crashing since that revision. | Rafael Espindola | 2012-01-27 |
* | enhance constant folding to be able to constant fold bitcast of | Chris Lattner | 2012-01-27 |
* | FileCheck hygiene. | Benjamin Kramer | 2012-01-05 |
* | Improved fix for abs(val) != 0 to check other similar case. Also fixed style... | Pete Cooper | 2011-12-01 |
* | Removed use of grep from test and moved it to be with other icmp tests | Pete Cooper | 2011-12-01 |
* | PR10267: Don't combine an equality compare with an AND into an inequality com... | Benjamin Kramer | 2011-07-04 |
* | InstCombine: Fold A-b == C --> b == A-C if A and C are constants. | Benjamin Kramer | 2011-06-13 |
* | InstCombine: Shrink ((zext X) & C1) == C2 to fold away the cast if the "zext"... | Benjamin Kramer | 2011-06-12 |
* | PR9838: Fix transform introduced in r127064 to not trigger when only one side... | Eli Friedman | 2011-05-05 |
* | Transform: "icmp eq (trunc (lshr(X, cst1)), cst" to "icmp (and X, mask), cst" | Chris Lattner | 2011-04-26 |
* | Fix mistyped CHECK lines. | Benjamin Kramer | 2011-03-09 |
* | Tweak this test. We can analyze what happens and show that we still do the | Nick Lewycky | 2011-03-07 |
* | Add more analysis of the sign bit of an srem instruction. If the LHS is negative | Nick Lewycky | 2011-03-07 |
* | ConstantInt has some getters which return ConstantInt's or ConstantVector's of | Nick Lewycky | 2011-03-06 |
* | Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever | Nick Lewycky | 2011-03-05 |