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* Migrate function attribute "no-frame-pointer-elim"="false" to ↵Fangrui Song2019-12-241-1/+1
| | | | "frame-pointer"="none" as cleanups after D56351
* [llvm-readobj] Change -long-option to --long-option in tests. NFCFangrui Song2019-05-011-1/+1
| | | | | | | | | | We use both -long-option and --long-option in tests. Switch to --long-option for consistency. In the "llvm-readelf" mode, -long-option is discouraged as it conflicts with grouped short options and it is not accepted by GNU readelf. While updating the tests, change llvm-readobj -s to llvm-readobj -S to reduce confusion ("s" is --section-headers in llvm-readobj but --symbols in llvm-readelf). llvm-svn: 359649
* [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.Shiva Chen2018-05-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Tighten up DIFile verifier for checksumsPaul Robinson2018-01-111-3/+3
| | | | | | Differential Revision: https://reviews.llvm.org/D41965 llvm-svn: 322314
* Re-land "Fix Bug 30978 by emitting cv file checksums."Reid Kleckner2017-09-191-1/+1
| | | | | | | This reverts r313431 and brings back r313374 with a fix to write checksums as binary data and not ASCII hex strings. llvm-svn: 313657
* Revert "Fix Bug 30978 by emitting cv file checksums."Eric Beckmann2017-09-161-1/+1
| | | | | | | | | | | This reverts commit 6389e7aa724ea7671d096f4770f016c3d86b0d54. There is a bug in this implementation where the string value of the checksum is outputted, instead of the actual hex bytes. Therefore the checksum is incorrect, and this prevent pdbs from being loaded by visual studio. Revert this until the checksum is emitted correctly. llvm-svn: 313431
* Fix Bug 30978 by emitting cv file checksums.Eric Beckmann2017-09-151-1/+1
| | | | | | | | | | | | Summary: The checksums had already been placed in the IR, this patch allows MCCodeView to actually write it out to an MCStreamer. Subscribers: llvm-commits, hiraditya Differential Revision: https://reviews.llvm.org/D37157 llvm-svn: 313374
* [COFF, ARM64, CodeView] Add support to emit CodeView debug info for ARM64 COFFMandeep Singh Grang2017-07-201-0/+134
Reviewers: compnerd, ruiu, rnk, zturner Reviewed By: rnk Subscribers: majnemer, aemerson, aprantl, javed.absar, kristof.beyls, llvm-commits Differential Revision: https://reviews.llvm.org/D35518 llvm-svn: 308665
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