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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+29
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-29/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [ConstantFolder] Don't try to fold gep when the idx is a vector.Davide Italiano2017-07-271-0/+29
The code in ConstantFoldGetElementPtr() assumes integers, and therefore it crashes trying to get the integer bidwith of a vector type (in this case <4 x i32>. I just changed the code to prevent the folding in case of vectors and I didn't bother to generalize as this doesn't seem to me something that really happens in practice, but I'm willing to change the patch if you think it's worth it. This is hard to trigger from -instsimplify or -instcombine only as the second instruction is dead, so the test uses loop-unroll. Differential Revision: https://reviews.llvm.org/D35956 llvm-svn: 309330
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