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* Migrate function attribute "no-frame-pointer-elim" to "frame-pointer"="all" ↵Fangrui Song2019-12-241-1/+1
| | | | as cleanups after D56351
* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+87
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-87/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [Util] Refer to [s|z]exts of args when converting dbg.declares (fix PR35400)Vedant Kumar2018-12-151-0/+87
When converting dbg.declares, if the described value is a [s|z]ext, refer to the ext directly instead of referring to its operand. This fixes a narrowing bug (the debugger got the sign of a variable wrong, see llvm.org/PR35400). The main reason to refer to the ext's operand was that an optimization may remove the ext itself, leading to a dropped variable. Now that InstCombine has been taught to use replaceAllDbgUsesWith (r336451), this is less of a concern. Other passes can/should adopt this API as needed to fix dropped variable bugs. Differential Revision: https://reviews.llvm.org/D51813 llvm-svn: 349214
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