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* [asan] Mac: do not link dynamic libs with the asan-rt, use -undefined ↵Kostya Serebryany2011-12-062-3/+18
| | | | | | dynamic_lookup for dynamic libs. Style fixes. Patch by glider@google.com llvm-svn: 145955
* Stack realignment is a tristate. Add -mno-stackrealign to turn off all stackNick Lewycky2011-12-061-2/+11
| | | | | | realignment, even with locals with alignment exceeding the ABI guarantee. llvm-svn: 145909
* Add -mstack-alignment=X and fix -mstackrealign handling now that theJoerg Sonnenberger2011-12-051-4/+5
| | | | | | backend options are gone. llvm-svn: 145868
* [asan] don't require libstdc++ for asan on linux. Mac fix will go separatelyKostya Serebryany2011-12-051-1/+0
| | | | llvm-svn: 145823
* Driver/Darwin: Add ASAN runtime library link support.Daniel Dunbar2011-12-011-0/+16
| | | | llvm-svn: 145651
* Get the -march argument based on the target MIPS architecture or cpu and passAkira Hatanaka2011-11-301-7/+32
| | | | | | | | | it to GNU assembler. In addition, change function getMipsArchFromCPU() so that it can be reused in ConstructJob(). Patch by Simon Atanasyan. llvm-svn: 145509
* when -faddress-sanitizer is present, add required flags to the linker ↵Kostya Serebryany2011-11-301-0/+24
| | | | | | command (linux-only) llvm-svn: 145467
* Change processor names. Patch by Simon Atanasyan.Akira Hatanaka2011-11-291-4/+4
| | | | llvm-svn: 145453
* [Win32] Catch exceptions (eg. segfault) on waiting for invoked clang from ↵NAKAMURA Takumi2011-11-291-1/+7
| | | | | | | | | | | | the driver. clang/lib/Driver/Driver.cpp: Don't pass through negative exit status, or parent would be confused. llvm::sys::Program::Wait(): Suppose 0x8000XXXX and 0xC000XXXX as abnormal exit code and pass it as negative value. Win32 Exception Handler: Exit with ExceptionCode on an unhandle exception. llvm-svn: 145389
* A couple driver fixes for PPC Linux. Patches by Michael Kostylev. ↵Eli Friedman2011-11-282-1/+10
| | | | | | PR11444/PR11445. llvm-svn: 145321
* Add driver arguments -ftemplate-depth=N and -fconstexpr-depth=N, with the sameRichard Smith2011-11-211-1/+7
| | | | | | | | | | | | | semantics and defaults as the corresponding g++ arguments. The historical g++ argument -ftemplate-depth-N is kept for compatibility, but modern g++ versions no longer document that option. Add -cc1 argument -fconstexpr-depth N to implement the corresponding functionality. The -ftemplate-depth=N part of this fixes PR9890. llvm-svn: 145045
* Change the linker emulation name for FreeBSD/PPC32.Roman Divacky2011-11-211-1/+1
| | | | | | Submitted by Andreas Tobler! llvm-svn: 145041
* Teach the driver about failure result files, which are compilationPeter Collingbourne2011-11-212-1/+8
| | | | | | | | output files that are valid regardless of whether the compilation succeeded or failed (but not if we crash). Add depfiles to the failure result file list. llvm-svn: 145018
* Driver: Remove the signal number from the "command failed" diagnostic.Benjamin Kramer2011-11-191-1/+1
| | | | | | | - With the current implementation of sys::Program this always printed "2". - The command execution code will output the right number anyway (including the signal name). llvm-svn: 144993
* clang/Darwin: Use the compiler-rt provided profile library.Daniel Dunbar2011-11-172-9/+13
| | | | llvm-svn: 144869
* Add -f[no-]address-sanitizer flagKostya Serebryany2011-11-161-0/+4
| | | | llvm-svn: 144800
* Don't track depfiles as result files which need to be cleaned up on failure.Matt Beaumont-Gay2011-11-141-2/+0
| | | | | | | | | This is a partial revert of r143846. While cleaning up after a crash is probably a good idea, we were also deleting .d files if the compilation failed due to invalid input, which is not the desired behavior. The test is XFAIL'd until the cleanup code can be reworked to do the right thing. llvm-svn: 144590
* Search for libstdc++.dylib in llvm-gcc's files on darwin10. rdar://10419079Bob Wilson2011-11-111-0/+5
| | | | llvm-svn: 144381
* Add Linux multiarch include directories for mips/mipsel. Patch from Simon ↵Eli Friedman2011-11-111-0/+10
| | | | | | Atanasyan. llvm-svn: 144358
* Add top-level driver option '--serialize-diagnostics' for serialize compiler ↵Ted Kremenek2011-11-111-0/+6
| | | | | | diagnostics to a file. llvm-svn: 144339
* Fix an issue that Duncan discovered on a specific (no longer current)Chandler Carruth2011-11-092-9/+8
| | | | | | | | | | | | version of Ubuntu. It has a very broken multiarch configuration, and so we need special logic to handle it correctly. Fixing and testing this uncovered a few other trivial issues with the logic that are fixed as well. I added tests to cover this as it is hard to notice if you install recent versions of the OS. llvm-svn: 144165
* Misc fixes for clang driver on Mips Linux. Patch by Simon Atanasyan.Eli Friedman2011-11-082-0/+35
| | | | llvm-svn: 144108
* Add a default system include of '/include'. This isn't particularlyChandler Carruth2011-11-081-0/+5
| | | | | | | | | | | | useful when using Clang as a system-compiler, but its harmless. When using Clang as a cross-compiler, this can be very handy as quite a few toolchains ship their libc headers here rather than under '/usr/include'. For reference, this is the beginning of my work to also make the Clang driver more suitable as a cross-compiler. llvm-svn: 144089
* Whitespace.Chad Rosier2011-11-071-1/+1
| | | | llvm-svn: 144002
* Tablegenify -g options.Chad Rosier2011-11-071-15/+0
| | | | llvm-svn: 144001
* Fix an unsafe use of Twine.Benjamin Kramer2011-11-071-5/+4
| | | | llvm-svn: 143962
* Rip out one of the features I added for the driver-include-management.Chandler Carruth2011-11-071-8/+2
| | | | | | | | | | | | | | | | We don't actually need a separate flag for non-sysrooted paths as the driver has to manage the sysroot anyways. The driver is not infrequently adding paths to the header search based on their existence on the filesystem. For that, it has to add the sysroot anyways, we should pass it on down to CC1 already joined. More importantly, the driver cannot in all cases distinguish between sysrooted paths and paths that are relative to the Clang binary's installation directory. Essentially, we always need to ignore the system root for these internal header search options. It turns out in most of the places we were already providing the system root in the driver, and then another one in CC1 so this fixes several bugs. llvm-svn: 143917
* Fix Linux libc++ usage. Somehow this slipped through during the port.Chandler Carruth2011-11-071-0/+8
| | | | | | | Test cases for this and all the rest of the port are still in the works, but will wait for a fixed computer and post 3.0 merging... llvm-svn: 143916
* Begin lifting some of the one-off checking logic into generic helperChandler Carruth2011-11-062-5/+18
| | | | | | routines on the base toolchain class. llvm-svn: 143900
* Move the GCC installation detection logic down into the Generic_GCCChandler Carruth2011-11-062-317/+318
| | | | | | | | | | toolchain. The logic is mostly generic already, and where possible should be made more generic. Also, it has no impact other than to expose a set of methods which each toolchain can then query to setup their desired configuration. These should be available to toolchains beyond just Linux. llvm-svn: 143899
* Remove an old OpenSUSE hack that is no longer needed -- it is exactlyChandler Carruth2011-11-061-5/+0
| | | | | | the same as a directory added further down in the new logic. llvm-svn: 143897
* Remove the HasMultilib check. It was essentially useless. The driver nowChandler Carruth2011-11-061-43/+25
| | | | | | | looks for evidence of a multilib installation, and adds the appropriate bits to the search paths. llvm-svn: 143896
* The version objects need to actually store the version strings; theyChandler Carruth2011-11-062-6/+6
| | | | | | aren't guaranteed to live long enough otherwise. llvm-svn: 143875
* Throw the switch and move all Linux header search over to the GCCChandler Carruth2011-11-061-334/+48
| | | | | | | | | | | | | | | | | | | | detection system that is providing the library paths and crt object files. This, modulo any bugs that need to be shaken out, resolves numerous bugs with how we handle header paths. Here are a few that I know of: - We no longer need to enumerate all GCC versions searched. - OpenSUSE searched GCC versions in the wrong order. - There were typos when selecting various patterns, etc. - We aren't stating quite some many directories now. - SysRoot didn't always work in a reasonable way. I'm working on tests for this, but the tests are making me and Lit sad. The real testing for this type of driver change is to try it out on various distributions. I'll hit the common ones right away, and start more thorough testing tomorrow after some sleep. llvm-svn: 143874
* Add a missing triple spotted by inspecting and testing of the includeChandler Carruth2011-11-061-1/+2
| | | | | | path triples. Also order the 32-bit triples a bit more reasonably. llvm-svn: 143873
* Lift the GCCVersion type into the header file and start persisting it inChandler Carruth2011-11-062-84/+93
| | | | | | | the detected GCC installation. This allows us to expose another aspect of what we detected: the GCC version. This will be used shortly. llvm-svn: 143871
* Switch some of these interfaces from std::string to StringRef and Twine.Chandler Carruth2011-11-062-8/+7
| | | | | | This will facilitate further use and recombinations of them. llvm-svn: 143869
* Take a better approach to detecting and selecting multiarch includeChandler Carruth2011-11-061-14/+35
| | | | | | | | directories. This way we stop at the first multiarch directory found on the system. This achieves the real intended result of pruning non-existent directories. llvm-svn: 143866
* Revert r143864, as the problem I was actually looking at can be solvedChandler Carruth2011-11-061-12/+0
| | | | | | | | | | | | | | | | | | | | a better way. The more I think about it the more worried I am that this hammer is simply too large. We should only be reaching out to the filesystem when doing interesting "detection" things, not gratuitously. Original commit message: Start pruning down the set of flags passed to CC1 for header search. This cleans up the CC1 invocations, and reduces the overhead there. We're still hammering the filesystem looking for the C++ standard libraries though. The only reservation I have about this policy is the case of virtualized files inside of CC1, but it's not clear what the best way to solve that is. The Driver consistently queries the actual filesystem to make its decisions. Changing that would be a very large undertaking. It might be worthwhile, but it's not an immediate goal. llvm-svn: 143865
* Start pruning down the set of flags passed to CC1 for header search.Chandler Carruth2011-11-061-0/+12
| | | | | | | | | | | | | | This cleans up the CC1 invocations, and reduces the overhead there. We're still hammering the filesystem looking for the C++ standard libraries though. The only reservation I have about this policy is the case of virtualized files inside of CC1, but it's not clear what the best way to solve that is. The Driver consistently queries the actual filesystem to make its decisions. Changing that would be a very large undertaking. It might be worthwhile, but it's not an immediate goal. llvm-svn: 143864
* Fixing -g break caused by a dead reference to a temporary introduced in r143732.David Blaikie2011-11-061-1/+1
| | | | llvm-svn: 143856
* Add the depfile as a result file so that it is deleted if we crash,Peter Collingbourne2011-11-063-5/+13
| | | | | | and prevent the diagnostic preprocessor run from writing a depfile. llvm-svn: 143846
* Enhance the GCC version parsing and comparison logic to handle some moreChandler Carruth2011-11-051-18/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | edge cases and have better behavior. Specifically, we should actually prefer the general '4.6' version string over the '4.6.1' string, as '4.6.2' should be able to replace it without breaking rpaths or any other place that these paths have been embedded. Debian-based distributions are already using a path structure with symlinks to achieve in-place upgrades for patch versions. Now our parsing reflects this and we select the shorter paths instead of the longer paths. A separate issue was that we would not parse a leading patch version number even in the presence of a suffix. The above change makes this more problematic as it would cause a suffix being added to make us treat the entire thing as patch-version-agnostic, which it isn't. This changes the logic to distinguish between '4.4.x' and 4.4.1-x', and retain that the latter has *some* patch number information. Currently, we always bias toward the shorter and more canonical version strings. If it becomes important we can add more Debian like rules to produce sequences such as '4.4.1b' > '4.4.1' > '4.4.1-rc3' > '4.4.1-rc2' > '4.4.1-pre5', but I'm very doubtful this will ever matter or be desirable. I've made the tests for this logic a bit more interesting, and added some specific tests for logic that is now different. llvm-svn: 143841
* Remove a pointless member. I have no idea why I made this not a localChandler Carruth2011-11-052-4/+2
| | | | | | | | variable to begin with... As I'm planning to add include root information to this object, this would have caused confusion. It didn't even *actually* hold the include root by the time we were done with it. llvm-svn: 143840
* Remove a no-longer needed helper function. Thanks for implementing thisChandler Carruth2011-11-051-12/+4
| | | | | | Michael! llvm-svn: 143839
* Move the GCC installation detection helper a member of the LinuxChandler Carruth2011-11-052-236/+249
| | | | | | | | | | | | | | toolchain instead of merely using it in the constructor. This will allow us to query it when building include paths as well as the file search paths built in the constructor. I've lifted as little of it as I could into the header file. Eventually this will likely sink down into some of the Generic toolchains and be used on more platforms, but I'm starting on Linux so I can work out all the APIs needed there, where it is easiest to test and we have the most pressing need. llvm-svn: 143838
* Remove support for Gentoo subversion-ebuild installed llvm-gcc libstdc++Chandler Carruth2011-11-051-9/+0
| | | | | | | | | headers. As llvm-gcc is dead, and I have no idea if this ever really worked, I think it's time for it to go. More importantly, it makes it harder to generalize the include search logic. If someone really wants these to work, they can set the CPLUS_INCLUDE_PATH environment variable. llvm-svn: 143836
* Move the Linux header searching from the Frontend to the Driver. This isChandler Carruth2011-11-053-22/+464
| | | | | | | | | | | | | | | | the first (and diff-noisiest) step to making Linux header searching tremendously more principled and less brittle. Note that this step should have essentially no functional impact. We still search the exact same set of paths in the exact same order. The only change here is where the code implementing such a search lives. This has one obvious negative impact -- we now pass a ludicrous number of flags to the CC1 layer. That should go away as I re-base this logic on the logic to detect a GCC installation. I want to do this in two phases so the bots can tell me if this step alone breaks something, and so that the diffs of the refactoring make more sense. llvm-svn: 143822
* Try to reduce the nastiness that creeps in through Windows.h a bit.Benjamin Kramer2011-11-051-3/+3
| | | | llvm-svn: 143816
* [driver] If we're only linking, don't warn about unused arguments which areChad Rosier2011-11-051-2/+3
| | | | | | | obviously only used during compilation. rdar://10386708 llvm-svn: 143813
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