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Author SHA1 Message Date
Daniel Grumberg e4e2d8e4c2 Ensure that CompilerInvocationTest normalizes default target triples 
This fixes a build failure. More details at http://lab.llvm.org:8011/builders/llvm-clang-win-x-armv7l/builds/78/steps/test-check-clang/logs/FAIL%3A%20Clang-Unit%3A%3ACC1CommandLineGenerationTest.CanGenerateCC1CommandLineSeparateRequiredAbsent
 2020-06-25 10:41:40 +01:00
Fangrui Song 6330653547 [unittest] Fix FrontendTests CanGenerateCC1CommandLineFlag when LLVM_DEFAULT_TARGET_TRIPLE is not normalized after D79796 
`TargetOpts->Triple` is initialized as llvm::sys::getDefaultTargetTriple() which may not be normalized.
If LLVM_DEFAULT_TARGET_TRIPLE is powerpc64le-linux-gnu, we should check
check `-triple powerpc64le-linux-gnu`, instead of (normalized) `-triple powerpc64le-unknown-linux-gnu`
 2020-06-24 16:18:58 -07:00
Daniel Grumberg 29125ddf13 Start adding support for generating CC1 command lines from CompilerInvocation 
This change includes the following:
- Add additional information in the relevant table-gen files to encode
the necessary information to automatically parse the argument into a
CompilerInvocation instance and to generate the appropriate command
line argument from a CompilerInvocation instance.
- Extend OptParserEmitter to emit the necessary macro tables as well as
constant tables to support parsing and generating command line
arguments for options that provide the necessary information.
- Port some options to use this new system for parsing and generating
command line arguments.

Differential Revision: https://reviews.llvm.org/D79796
 2020-06-24 18:05:05 +01:00