Commit message (Collapse) | Author | Age | Files | Lines | |
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* | [InstCombine] fold add(zext(xor X, C), C) --> sext X when C is INT_MIN in ↵ | Sanjay Patel | 2016-07-19 | 1 | -6/+23 |
| | | | | | | | | | | | | | | | | | | | the source type The pattern may look more obviously like a sext if written as: define i32 @g(i16 %x) { %zext = zext i16 %x to i32 %xor = xor i32 %zext, 32768 %add = add i32 %xor, -32768 ret i32 %add } We already have that fold in visitAdd(). Differential Revision: https://reviews.llvm.org/D22477 llvm-svn: 276035 | ||||
* | add tests for missed sext transform | Sanjay Patel | 2016-07-18 | 1 | -0/+26 |
| | | | | llvm-svn: 275908 | ||||
* | [InstCombine] allow X + signbit --> X ^ signbit for vector splats | Sanjay Patel | 2016-07-16 | 1 | -1/+1 |
| | | | | llvm-svn: 275691 | ||||
* | add vector test to show missing transform | Sanjay Patel | 2016-07-16 | 1 | -0/+10 |
| | | | | llvm-svn: 275690 | ||||
* | update tests to use FileCheck, consolidate tests, fix comments | Sanjay Patel | 2016-07-16 | 1 | -0/+106 |
llvm-svn: 275688 |