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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+159
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-159/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [InstCombine] fold add(zext(xor X, C), C) --> sext X when C is INT_MIN in ↵Sanjay Patel2016-07-191-6/+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 transformSanjay Patel2016-07-181-0/+26
| | | | llvm-svn: 275908
* [InstCombine] allow X + signbit --> X ^ signbit for vector splatsSanjay Patel2016-07-161-1/+1
| | | | llvm-svn: 275691
* add vector test to show missing transformSanjay Patel2016-07-161-0/+10
| | | | llvm-svn: 275690
* update tests to use FileCheck, consolidate tests, fix commentsSanjay Patel2016-07-161-0/+106
llvm-svn: 275688
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