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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/+213
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-213/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.Shiva Chen2018-05-091-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to set breakpoints on labels and list source code around labels, we need collect debug information for labels, i.e., label name, the function label belong, line number in the file, and the address label located. In order to keep these information in LLVM IR and to allow backend to generate debug information correctly. We create a new kind of metadata for labels, DILabel. The format of DILabel is !DILabel(scope: !1, name: "foo", file: !2, line: 3) We hope to keep debug information as much as possible even the code is optimized. So, we create a new kind of intrinsic for label metadata to avoid the metadata is eliminated with basic block. The intrinsic will keep existing if we keep it from optimized out. The format of the intrinsic is llvm.dbg.label(metadata !1) It has only one argument, that is the DILabel metadata. The intrinsic will follow the label immediately. Backend could get the label metadata through the intrinsic's parameter. We also create DIBuilder API for labels to be used by Frontend. Frontend could use createLabel() to allocate DILabel objects, and use insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR. Differential Revision: https://reviews.llvm.org/D45024 Patch by Hsiangkai Wang. llvm-svn: 331841
* [LoopVersioning] Require loop-simplify form for loop versioning.Florian Hahn2016-12-191-1/+2
| | | | | | | | | | | | | | | | Summary: Requiring loop-simplify form for loop versioning ensures that the runtime check block always dominates the exit block. This patch closes #30958 (https://llvm.org/bugs/show_bug.cgi?id=30958). Reviewers: silviu.baranga, hfinkel, anemet, ashutosh.nema Subscribers: ashutosh.nema, mzolotukhin, efriedma, hfinkel, llvm-commits Differential Revision: https://reviews.llvm.org/D27469 llvm-svn: 290116
* [LV] Stop saying "use -Rpass-analysis=loop-vectorize"Adam Nemet2016-11-111-5/+5
| | | | | | | | | | | | | | | | | | This is PR28376. Unfortunately given the current structure of optimization diagnostics we lack the capability to tell whether the user has passed -Rpass-analysis=loop-vectorize since this is local to the front-end (BackendConsumer::OptimizationRemarkHandler). So rather than printing this even if the user has already passed -Rpass-analysis, this patch just punts and stops recommending this option. I don't think that getting this right is worth the complexity. Differential Revision: https://reviews.llvm.org/D26563 llvm-svn: 286662
* [LV] Remove triples from target-independent vectorizer tests. NFC.Michael Kuperstein2016-10-061-1/+0
| | | | | | | | | Vectorizer tests in the target-independent directory should not have a target triple. If a test really needs to query a specific backend, it belongs in the right target subdirectory (which "REQUIRES" the right backend). Otherwise, it should not specify a triple. llvm-svn: 283512
* [LV] Add hotness attribute to missed-optimization remarksAdam Nemet2016-07-201-0/+213
The new OptimizationRemarkEmitter analysis pass is hooked up to both new and old PM passes. llvm-svn: 276080
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