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* Improve diagnostics for config mismatches with -fmodule-file.Richard Smith2018-05-241-6/+5
| | | | | | | | Unless the user uses -Wno-module-file-config-mismatch (or -Wno-error=...), allow the AST reader to produce errors describing the nature of the config mismatch. llvm-svn: 333220
* [modules] If we're given a module file, via -fmodule-file=, for a module, butRichard Smith2015-11-051-0/+4
| | | | | | | | | we can't load that file due to a configuration mismatch, and implicit module building is disabled, and the user turns off the error-by-default warning for that situation, then fall back to textual inclusion for the module rather than giving an error if any of its headers are included. llvm-svn: 252114
* [modules] Allow the error when explicitly loading an incompatible module fileRichard Smith2015-10-161-3/+2
| | | | | | | | | via -fmodule-file= to be turned off; in that case, just include the relevant files textually. This allows module files to be unconditionally passed to all compile actions via CXXFLAGS, and to be ignored for rules that specify custom incompatible flags. llvm-svn: 250577
* Revert "Revert r241620 and follow-up commits" and move the initializationAdrian Prantl2015-07-081-1/+1
| | | | | | of the llvm targets from clang/CodeGen into ClangCheck.cpp and CIndex.cpp. llvm-svn: 241653
* Revert r241620 and follow-up commits while investigating linux buildbot ↵Adrian Prantl2015-07-071-1/+1
| | | | | | failures. llvm-svn: 241642
* Update testcases that use precompiled headers to require a target afterAdrian Prantl2015-07-071-1/+1
| | | | | | r241620. llvm-svn: 241623
* [modules] Simplify -cc1 interface for enabling implicit module maps.Richard Smith2015-06-161-5/+5
| | | | | | | | | | | | | We used to have a flag to enable module maps, and two more flags to enable implicit module maps. This is all redundant; we don't need any flag for enabling module maps in the abstract, and we don't usually have -fno- flags for -cc1. We now have just a single flag, -fimplicit-module-maps, that enables implicitly searching the file system for module map files and loading them. The driver interface is unchanged for now. We should probably rename -fmodule-maps to -fimplicit-module-maps at some point. llvm-svn: 239789
* [modules] Teach the AST reader to handle the case of importing a moduleChandler Carruth2015-03-141-0/+66
with a subset of the existing target CPU features or mismatched CPU names. While we can't check that the CPU name used to build the module will end up being able to codegen correctly for the translation unit, we actually check that the imported features are a subset of the existing features. While here, rewrite the code to use std::set_difference and have it diagnose all of the differences found. Test case added which walks the set relationships and ensures we diagnose all the right cases and accept the others. No functional change for implicit modules here, just better diagnostics. llvm-svn: 232248
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