[PATCH] D131796: [clang][deps] Use a cc1 invocation in FullDependencies::getCommandLine()

[Ben Langmuir via Phabricator via cfe-commits]

benlangmuir created this revision.
benlangmuir added reviewers: jansvoboda11, Bigcheese.
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Instead of trying to "fix" the original driver invocatin by appending
arguments to it, use a CompilerInvocation to give precise control over
the invocation, and serialize it to a -cc1 command.

This change should make it easier to (in the future) canonicalize the
command-line (e.g. to improve hits in something like ccache) or apply
optimizations, similar to what we do for module build commands.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D131796

Files:
  clang/include/clang/Tooling/DependencyScanning/DependencyScanningTool.h
  clang/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h
  clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
  clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp
  clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
  clang/test/ClangScanDeps/diagnostics.c
  clang/test/ClangScanDeps/modules-context-hash-ignore-macros.c
  clang/test/ClangScanDeps/modules-context-hash-outputs.c
  clang/test/ClangScanDeps/modules-fmodule-name-no-module-built.m
  clang/test/ClangScanDeps/modules-full.cpp
  clang/test/ClangScanDeps/modules-inferred.m
  clang/test/ClangScanDeps/modules-pch-common-submodule.c
  clang/test/ClangScanDeps/modules-pch-common-via-submodule.c
  clang/test/ClangScanDeps/modules-pch.c
  clang/test/ClangScanDeps/removed-args.c

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