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* Remarks - fix static analyzer warnings. NFCI.Simon Pilgrim2019-11-091-4/+5
| | | | | | | - Fix uninitialized variable warnings. - Reuse BitstreamEntry iterator to avoid Wshadow warning. - Match declaration + definition arg names in BitstreamRemarkParser::processCommonMeta - Make BitstreamRemarkParser(StringRef) constructor explicit
* [Remarks] Add support for prepending a path to external filesFrancis Visoiu Mistrih2019-10-161-3/+3
| | | | | | | | | This helps with testing and debugging for paths that are assumed absolute. It also uses a FileError to provide the file path it's trying to open. llvm-svn: 375008
* [Remarks] Add parser for bitstream remarksFrancis Visoiu Mistrih2019-09-091-0/+83
The bitstream remark serializer landed in r367372. This adds a bitstream remark parser that parser bitstream remark files to llvm::remarks::Remark objects through the RemarkParser interface. A few interesting things to point out: * There are parsing helpers to parse the different types of blocks * The main parsing helper allows us to parse remark metadata and open an external file containing the encoded remarks * This adds a dependency from the Remarks library to the BitstreamReader library * The testing strategy is to create a remark entry through YAML, parse it, serialize it to bitstream, parse that back and compare the objects. * There are close to no tests for malformed bitstream remarks, due to the lack of textual format for the bitstream format. * This adds a new C API for parsing bitstream remarks: LLVMRemarkParserCreateBitstream. * This bumps the REMARKS_API_VERSION to 1. Differential Revision: https://reviews.llvm.org/D67134 llvm-svn: 371429
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