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* Try to run and investigate the mips-mti-linux.c test failure on ARM buildbots.Vasileios Kalintiris2015-10-301-0/+13
| | | | | | | | This should be a NFC for every toolchain other than mips-mti-linux (where we print the list of directories searched for crt files). It will soon be reverted once we hit the clang-cmake-armv7-a15-selfhost-neon buildbot. llvm-svn: 251695
* [mips] Add support for the new mips-mti-linux toolchain.Vasileios Kalintiris2015-10-291-20/+44
| | | | | | | | | | The original commit in r249137 added the mips-mti-linux toolchain. However, the newly added tests of that commit failed in few buildbots. This commit re-applies the original changes but XFAILs the test file which caused the buildbot failures. This will allow us to examine what's going wrong without having to commit/revert large changes. llvm-svn: 251633
* Driver: CrossWindows sanitizers link supportSaleem Abdulrasool2015-10-291-0/+16
| | | | | | | Add the required libraries to the linker invocation when building with sanitizers. llvm-svn: 251600
* Driver: inline some small arraysSaleem Abdulrasool2015-10-291-10/+4
| | | | | | Use an initializer list to remove a couple of small static arrays. NFC. llvm-svn: 251599
* Put global classes into the appropriate namespace.Benjamin Kramer2015-10-281-0/+2
| | | | | | | Most of the cases belong into an anonymous namespace. No functionality change intended. llvm-svn: 251514
* Driver: support -fuse-ld= on cross windowsSaleem Abdulrasool2015-10-281-2/+1
| | | | | | | Update the linker selection to support the `-fuse-ld=` option for selecting a linker. llvm-svn: 251493
* [mips] Separated mips specific -Wa options, so that they are not checked on ↵Daniel Sanders2015-10-271-12/+30
| | | | | | | | | | | | | | | | other platforms. Summary: This is a follow on to post review comments on revision r248276. Patch by Scott Egerton. Reviewers: vkalintiris, dsanders Subscribers: joerg, rengolin, cfe-commits Differential Revision: http://reviews.llvm.org/D13100 llvm-svn: 251430
* Define weak and __weak to mean ARC-style weak references, even in MRC.John McCall2015-10-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, __weak was silently accepted and ignored in MRC mode. That makes this a potentially source-breaking change that we have to roll out cautiously. Accordingly, for the time being, actual support for __weak references in MRC is experimental, and the compiler will reject attempts to actually form such references. The intent is to eventually enable the feature by default in all non-GC modes. (It is, of course, incompatible with ObjC GC's interpretation of __weak.) If you like, you can enable this feature with -Xclang -fobjc-weak but like any -Xclang option, this option may be removed at any point, e.g. if/when it is eventually enabled by default. This patch also enables the use of the ARC __unsafe_unretained qualifier in MRC. Unlike __weak, this is being enabled immediately. Since variables are essentially __unsafe_unretained by default in MRC, the only practical uses are (1) communication and (2) changing the default behavior of by-value block capture. As an implementation matter, this means that the ObjC ownership qualifiers may appear in any ObjC language mode, and so this patch removes a number of checks for getLangOpts().ObjCAutoRefCount that were guarding the processing of these qualifiers. I don't expect this to be a significant drain on performance; it may even be faster to just check for these qualifiers directly on a type (since it's probably in a register anyway) than to do N dependent loads to grab the LangOptions. rdar://9674298 llvm-svn: 251041
* clang driver toolchain refactoringXinliang David Li2015-10-221-40/+13
| | | | | | | | | | | | | | In this patch, the file static method addProfileRT is moved to be a virtual member function of base ToolChain class. This allows derived toolchain to override the default behavior easily and make it consistent with Darwin toolchain (a TODO was added for this refactoring - now removed). A new helper method is also introduced to test if instrumentation profile option is turned on or not. Differential Revision: http://reviews.llvm.org/D13326 llvm-svn: 250994
* [Myriad]: Always add -L paths even if -nostdlib is set.Douglas Katzman2015-10-211-7/+5
| | | | llvm-svn: 250932
* Support linking against OpenMP runtime on FreeBSD.Dimitry Andric2015-10-181-0/+1
| | | | | | | | | | | | | | | Summary: Similar to rL248426 (which was a followup to rL248379 and rL248424), add the required libraries for OpenMP on the linker command line, and update the test case. Reviewers: emaste, theraven, joerg Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D13822 llvm-svn: 250657
* Make a bunch of static arrays const.Craig Topper2015-10-181-2/+2
| | | | llvm-svn: 250647
* PS4: Make sure to add the sanitizer runtime before any linker inputFilipe Cabecinhas2015-10-161-2/+4
| | | | llvm-svn: 250514
* Recommit "Clang support for -flto=thin."Teresa Johnson2015-10-151-12/+14
| | | | | | | | | This recommits r250398 with fixes to the tests for bot failures. Add "-target x86_64-unknown-linux" to the clang invocations that check for the gold plugin. llvm-svn: 250455
* Revert "Clang support for -flto=thin." (bot failures)Teresa Johnson2015-10-151-14/+12
| | | | | | | | | | | Rolling this back for now since there are a couple of bot failures on the new tests I added, and I won't have a chance to look at them in detail until later this afternoon. I think the new tests need some restrictions on having the gold plugin available. This reverts commit r250398. llvm-svn: 250402
* Clang support for -flto=thin.Teresa Johnson2015-10-151-12/+14
| | | | | | | | | | | | | | | | | | | Summary: Add clang support for -flto=thin option, which is used to set the EmitFunctionSummary code gen option on compiles. Add -flto=full as an alias to the existing -flto. Add tests to check for proper overriding of -flto variants on the command line, and convert grep tests to FileCheck. Reviewers: dexonsmith, joker.eph Subscribers: davidxl, cfe-commits Differential Revision: http://reviews.llvm.org/D11908 llvm-svn: 250398
* Remove unnecessary braces in single-line 'if'.Douglas Katzman2015-10-151-2/+1
| | | | llvm-svn: 250363
* Bring back r250262: PS4 toolchainFilipe Cabecinhas2015-10-141-7/+341
| | | | | | | | | | | | | | There was a minor problem with a test. Sorry for the noise yesterday. This patch adds missing pieces to clang, including the PS4 toolchain definition, added warnings, PS4 defaults, and Driver changes needed for our compiler. A patch by Filipe Cabecinhas, Pierre Gousseau and Katya Romanova! Differential Revision: http://reviews.llvm.org/D13482 llvm-svn: 250293
* Revert-to-green r250262 (PS4 toolchain patch)Sean Silva2015-10-141-341/+7
| | | | | | | It is breaking llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast e.g. http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/builds/1362 llvm-svn: 250273
* I took care of the build problem in the commit 250252.Ekaterina Romanova2015-10-141-7/+341
| | | | | | | | | | | | | | Resubmitting the patch. This patch adds missing pieces to clang, including the PS4 toolchain definition, added warnings, PS4 defaults, and Driver changes needed for our compiler. A patch by Filipe Cabecinhas, Pierre Gousseau and Katya Romanova! Differential Revision: http://reviews.llvm.org/D13482 llvm-svn: 250262
* reverting my patch, cause build problemsEkaterina Romanova2015-10-141-341/+7
| | | | llvm-svn: 250257
* This patch adds missing pieces to clang, including the PS4 toolchainEkaterina Romanova2015-10-131-7/+341
| | | | | | | | | | | definition, added warnings, PS4 defaults, and Driver changes needed for our compiler. A patch by Filipe Cabecinhas, Pierre Gousseau and Katya Romanova! Differential Revision: http://reviews.llvm.org/D13482 llvm-svn: 250252
* Always pass a -dwarf-version argument to integrated as.Douglas Katzman2015-10-131-2/+3
| | | | | | | | This removes the default of 3 hidden in the assembler previously. Fixes breakage caused by r249655, reported by vsukharev. llvm-svn: 250173
* Support Debug Info path remappingSaleem Abdulrasool2015-10-121-0/+9
| | | | | | | | | | | | | | | | Add support for the `-fdebug-prefix-map=` option as in GCC. The syntax is `-fdebug-prefix-map=OLD=NEW`. When compiling files from a path beginning with OLD, change the debug info to indicate the path as start with NEW. This is particularly helpful if you are preprocessing in one path and compiling in another (e.g. for a build cluster with distcc). Note that the linearity of the implementation is not as terrible as it may seem. This is normally done once per file with an expectation that the map will be small (1-2) entries, making this roughly linear in the number of input paths. Addresses PR24619. llvm-svn: 250094
* [Myriad]: put libstdc++ and libc in the right orderDouglas Katzman2015-10-091-2/+2
| | | | llvm-svn: 249893
* Use Triple.isAndroid() where possible.Evgeniy Stepanov2015-10-081-12/+10
| | | | llvm-svn: 249751
* [clang-cl] Make /EHs turn on C++ EH once againReid Kleckner2015-10-081-4/+0
| | | | | | | | | | | C++ exceptions are still off by default, which is similar to how C++ cleanups are off by default in MSVC. If you use clang instead of clang-cl, exceptions are also still off by default. In the future, when C++ EH is proven to be stable, we may flip the default for that driver to be consistent with other platforms. llvm-svn: 249704
* [Driver] Use Twine instead of itostr. NFC.Benjamin Kramer2015-10-081-1/+1
| | | | | | No need to construct temporary std::strings here. llvm-svn: 249676
* Use itostr(), not std::to_string() because of Android.Douglas Katzman2015-10-081-1/+1
| | | | llvm-svn: 249658
* Stop messing with the 'g' group of options in CompilerInvocation.Douglas Katzman2015-10-081-42/+113
| | | | | | | | | | | | | | | | With this change, most 'g' options are rejected by CompilerInvocation. They remain only as Driver options. The new way to request debug info from cc1 is with "-debug-info-kind={line-tables-only|limited|standalone}" and "-dwarf-version={2|3|4}". In the absence of a command-line option to specify Dwarf version, the Toolchain decides it, rather than placing Toolchain-specific logic in CompilerInvocation. Also fix a bug in the Windows compatibility argument parsing in which the "rightmost argument wins" principle failed. Differential Revision: http://reviews.llvm.org/D13221 llvm-svn: 249655
* [VFS] Port driver tool chains to VFS.Benjamin Kramer2015-10-071-2/+1
| | | | | | | There are still some loose ends here but it's sufficient so we can detect GCC headers that are inside of a VFS. llvm-svn: 249556
* The Driver does not set the +strict-align flag when targetingAlexandros Lamprineas2015-10-051-1/+2
| | | | | | | | [ARM] armv6m + netbsd. Tests are misssing for armv6m + darwin as well. Differential Revision: http://reviews.llvm.org/D13217 llvm-svn: 249308
* Remove support for the mips-mti-linux toolchain.Vasileios Kalintiris2015-10-051-45/+20
| | | | | | | There are two remaining buildbot failures that we'll have to investigate before submitting this again. llvm-svn: 249298
* Re-commit "Add support for the new mips-mti-linux toolchain."Vasileios Kalintiris2015-10-051-20/+45
| | | | | | | | | | | r249137 added support for the new mips-mti-linux toolchain. However, the new tests of that commit, broke some buildbots because they didn't use the correct regular expressions to capture the filename of Clang & LLD. This commit re-applies the changes of r249137 and fixes the tests in r249137 in order to match the filenames of the Clang and LLD executable. llvm-svn: 249294
* Add -f[no-]declspec to control recognition of __declspec as a keywordSaleem Abdulrasool2015-10-041-0/+7
| | | | | | | | | | | | | | | In versions of clang prior to r238238, __declspec was recognized as a keyword in all modes. It was then changed to only be enabled when Microsoft or Borland extensions were enabled (and for CUDA, as a temporary measure). There is a desire to support __declspec in Playstation code, and possibly other environments. This commit adds a command-line switch to allow explicit enabling/disabling of the recognition of __declspec as a keyword. Recognition is enabled by default in Microsoft, Borland, CUDA, and PS4 environments, and disabled in all other environments. Patch by Warren Ristow! llvm-svn: 249279
* Driver: follow WoA ABI recommendationsSaleem Abdulrasool2015-10-031-0/+4
| | | | | | | | | | The Windows on ARM ABI recommends that FPO be disabled. This is since the Windows on ARM ABI uses the FP for fast stack walking. By paying the slight cost of the loss of registers, a much faster backtrace is possible by using the frame pointer since the pdata need not be consulted. Furthermore, even if pdata is not available, you can still more easily reconstruct the stack. llvm-svn: 249227
* [Myriad]: Accept '-nostdlib' optionDouglas Katzman2015-10-021-17/+23
| | | | llvm-svn: 249166
* [DarwinDriver] Reapply: Use -lto_library to specify the path for libLTO.dylibBruno Cardoso Lopes2015-10-021-9/+28
| | | | | | | | | | | | | | | | | | | | | | Reapply r248935. Usually, when using LTO with a clang installation newer than the system's one, there's a libLTO.dylib version mismatch and LTO fails. One solution to this is to make ld point to the right libLTO.dylib by changing DYLD_LIBRARY_PATH. However, ld64 supports specifying the complete path to the desired libLTO.dylib through the -lto_library option. This commit adds support for the clang driver to use this option whenever it's capable of finding a libLTO.dylib in clang's installed library directory. This way, we don't need to rely on DYLD_LIBRARY_PATH nor get caught by version mismatches. Differential Revision: http://reviews.llvm.org/D13117 rdar://problem/7363476 llvm-svn: 249143
* Revert "Add support for the new mips-mti-linux toolchain."Vasileios Kalintiris2015-10-021-45/+20
| | | | | | | This reverts commit r249137 because it broke the Windows buildbots and a Linux buildbot for LLD. llvm-svn: 249141
* Fix bogus comment.Douglas Katzman2015-10-021-1/+1
| | | | llvm-svn: 249138
* Add support for the new mips-mti-linux toolchain.Vasileios Kalintiris2015-10-021-20/+45
| | | | | | | | | | | | | | | | | | | | Summary: This new toolchain uses primarily LLVM-based tools, eg. compiler-rt, lld, libcxx, etc. Because of this, it doesn't require neither an existing GCC installation nor a GNU environment. Ideally, in a follow-up patch we would like to add a new --{llvm|clang}-toolchain option (similar to --gcc-toolchain) in order to allow the use of this toolchain with independent Clang builds. For the time being, we use the --sysroot option just to test the correctness of the paths generated by the driver. Reviewers: atanasyan, dsanders, rsmith Subscribers: jfb, tberghammer, danalbert, srhines, dschuff, cfe-commits Differential Revision: http://reviews.llvm.org/D13340 llvm-svn: 249137
* Allow a ToolChain to compute the path of a compiler-rt's component.Vasileios Kalintiris2015-10-011-51/+2
| | | | | | | | | | | | | | | | Summary: This patch moves getCompilerRT() from the clang::driver::tools namespace to the ToolChain class. This is needed for multilib toolchains that need to place their libraries in Clang's resource directory with a layout that is different from the default one. Reviewers: atanasyan, rsmith Subscribers: tberghammer, danalbert, srhines, cfe-commits Differential Revision: http://reviews.llvm.org/D13339 llvm-svn: 249030
* Revert "[DarwinDriver] Use -lto_library to specify the path for libLTO.dylib"Bruno Cardoso Lopes2015-09-301-28/+9
| | | | | | Revert r248932. Bots complaining about new warnings where they shouldn't. llvm-svn: 248935
* [DarwinDriver] Use -lto_library to specify the path for libLTO.dylibBruno Cardoso Lopes2015-09-301-9/+28
| | | | | | | | | | | | | | | | | | | | Usually, when using LTO with a clang installation newer than the system's one, there's a libLTO.dylib version mismatch and LTO fails. One solution to this is to make ld point to the right libLTO.dylib by changing DYLD_LIBRARY_PATH. However, ld64 supports specifying the complete path to the desired libLTO.dylib through the -lto_library option. This commit adds support for the clang driver to use this option whenever it's capable of finding a libLTO.dylib in clang's installed library directory. This way, we don't need to rely on DYLD_LIBRARY_PATH nor get caught by version mismatches. Differential Revision: http://reviews.llvm.org/D13117 rdar://problem/7363476 llvm-svn: 248932
* Alias "-ggdbN" to "-gN" options, fixing some incompatibilities.Douglas Katzman2015-09-301-4/+2
| | | | | | | * assembling from a .s file mistook -ggdb0 for -g * -ggdb1 is supposed to mean basically -g1, not -gN for N>1 llvm-svn: 248912
* Driver: support ARM/HF on a single toolchainSaleem Abdulrasool2015-09-261-15/+28
| | | | | | | | | | | | | | | | | ARM EABI adds target attributes to the object file. Amongst the attributes that are emitted is the VFP argument passing (Hard vs Soft). The linker is responsible for checking these attributes and erroring on mismatches. This causes problems for the compiler-rt builtins when targeting both hard and soft. Because both of these options name the builtins compiler-rt component the same (libclang_rt.builtins-arm.a or libclang_rt.builtins-arm-android). GCC is able to get away with this as it does one target per toolchain. This changes the naming convention for the ARM compiler-rt builtins to differentiate between HF and Soft. Although this means that compiler-rt may be duplicated, it enables supporting both variants from a single toolchain. A similar approach is taken by the Darwin toolchain, naming the library to differentiate between the calling conventions. llvm-svn: 248649
* Revert "This patch adds missing pieces to clang, including the PS4 toolchain ↵Greg Bedwell2015-09-251-336/+7
| | | | | | | | definition, added warnings, PS4 defaults, and Driver changes needed for our compiler." This reverts commit r248546 to get our bot green again while we discuss the best way forward. llvm-svn: 248578
* This patch adds missing pieces to clang, including the PS4 toolchainEkaterina Romanova2015-09-241-7/+336
| | | | | | | | | | | definition, added warnings, PS4 defaults, and Driver changes needed for our compiler. A patch by Filipe Cabecinhas, Pierre Gousseau and Katya Romanova! Differential Revision: http://reviews.llvm.org/D11279 llvm-svn: 248546
* Drop useless const in for-range loops.Benjamin Kramer2015-09-241-2/+2
| | | | | | | | StringRefs always point to immutable memory so the const doesn't add value here. Also quiets clang's -Wrange-loop-analysis which warns about the implicit copying. llvm-svn: 248496
* [mips] Relax -mnan=2008 acceptance to permit MIPS32R2 and MIPS64R2.Daniel Sanders2015-09-241-2/+5
| | | | | | | | | | | | | | | Summary: Strictly speaking, the MIPS*R2 ISA's should not permit -mnan=2008 since this feature was added in MIPS*R3. However, other toolchains permit this and we should do the same. Reviewers: atanasyan Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D13057 llvm-svn: 248481
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