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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+39
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-39/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* InstructionSimplify: don't speculate about Constants changing.Tim Northover2017-05-221-0/+39
When presented with an icmp/select pair, we can end up asking what would happen if we replaced one constant with another in an instruction. This is a mistake, while non-constant Values could become a constant, constants cannot change and trying to do so can lead to completely invalid IR (a GEP referencing a non-existant field in the original case). llvm-svn: 303580
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