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* Revert "[clang][clang-scan-deps] Aggregate the full dependency information."Michael Spencer2019-12-111-63/+64
| | | | | | This reverts commit f978ea498309adaebab8fbf1cd6e520e7e0e11f1. It broke clang-ppc64be-linux, but not sure why yet.
* [clang][clang-scan-deps] Aggregate the full dependency information.Michael Spencer2019-12-111-64/+63
| | | | Differential Revision: https://reviews.llvm.org/D70268
* [clang][ScanDeps] Fix issue with multiple commands with the same input.Michael Spencer2019-10-311-6/+14
| | | | | | | | | | | | | | | | | | | Previously, given a CompilationDatabase with two commands for the same source file we would report that file twice with the union of the dependencies for each command both times. This was due to the way `ClangTool` runs actions given an input source file (see the comment in `DependencyScanningTool.cpp`). This commit adds a `SingleCommandCompilationDatabase` that is created with each `CompileCommand` in the original CDB, which is then used for each `ClangTool` invocation. This gives us a single run of `DependencyScanningAction` per `CompileCommand`. I looked at using `AllTUsToolExecutor` which is a parallel tool executor, but I'm not sure it's suitable for `clang-scan-deps` as it does a lot more sharing of state than `AllTUsToolExecutor` expects. Differential Revision: https://reviews.llvm.org/D69643
* [clang][ScanDeps] Fix shadowing warning.Michael Spencer2019-10-301-5/+5
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* [clang][clang-scan-deps] Add support for extracting full module dependencies.Michael Spencer2019-10-301-10/+102
| | | | | | | | | | | This is a recommit of d8a4ef0e685c with the nondeterminism fixed. This adds experimental support for extracting a Clang module dependency graph from a compilation database. The output format is experimental and will change. It is currently a concatenation of JSON outputs for each compilation. Future patches will change this to deduplicate modules between compilations. Differential Revision: https://reviews.llvm.org/D69420
* Revert "[clang][clang-scan-deps] Add support for extracting full module ↵Michael Spencer2019-10-301-102/+10
| | | | | | | | dependencies." This reverts commit d8a4ef0e685cec1fc73d4953b48220b649d05b40. This commit broke some of the bots. I believe it's due to nondeterminism. Will fix and recommit.
* [clang][clang-scan-deps] Add support for extracting full module dependencies.Michael Spencer2019-10-301-10/+102
| | | | | | | | | This adds experimental support for extracting a Clang module dependency graph from a compilation database. The output format is experimental and will change. It is currently a concatenation of JSON outputs for each compilation. Future patches will change this to deduplicate modules between compilations. Differential Revision: https://reviews.llvm.org/D69420
* [clang][DependencyScanning] 80-col.Michael Spencer2019-10-251-3/+5
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* [clang][DependencyScanning] clang-format.Michael Spencer2019-10-241-2/+3
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* Refactor DependencyScanningTool to its own fileKousik Kumar2019-10-221-0/+71
Summary: There's no behavior change - just moving DependencyScanningTool to its own file since this tool can be reused across both clang-scan-deps binary and an interface exposed as part of libClang APIs. Reviewers: arphaman, jkorous, Bigcheese, dexonsmith Subscribers: mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D69186 llvm-svn: 375483
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