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2012-11-21[Sanitizer] force linking with static sanitizer runtimes on Darwin even if ↵Alexey Samsonov
they are not found in resource directory. Add test checking sanitizer linker flags on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Add -ldl for non-static libgcc in Android.Logan Chien
According to Android ABI, we have to link with libdl.so, if we are linking with non-static libgcc. Besides, this also fixes MIPS link error of undefined references to `_Unwind_Find_FDE' and `dl_iterate_phdr'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168310 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Enable -fuse-init-array for Android X86/MIPS.Logan Chien
The dynamic linker of Android does not support .ctors/.dtors. We should emit .init_array and .fini_array regardless the gcc version. NOTE: This patch does not affect the ARM backend, because it is required to generate .init_array and .fini_array for program targeting ARM AAPCS and AEABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Completely re-work how the Clang driver interprets PIC and PIE options.Chandler Carruth
There were numerous issues here that were all entangled, and so I've tried to do a general simplification of the logic. 1) The logic was mimicing actual GCC bugs, rather than "features". These have been fixed in trunk GCC, and this fixes Clang as well. Notably, the logic was always intended to be last-match-wins like any other flag. 2) The logic for handling '-mdynamic-no-pic' was preposterously unclear. It also allowed the use of this flag on non-Darwin platforms where it has no actual meaning. Now this option is handled directly based on tests of how llvm-gcc behaves, and it is only supported on Darwin. 3) The APIs for the Driver's ToolChains had the implementation ugliness of dynamic-no-pic leaking through them. They also had the implementation details of the LLVM relocation model flag names leaking through. 4) The actual results of passing these flags was incorrect on Darwin in many cases. For example, Darwin *always* uses PIC level 2 if it uses in PIC level, and Darwin *always* uses PIC on 64-bit regardless of the flags specified, including -fPIE. Darwin never compiles in PIE mode, but it can *link* in PIE mode. 5) Also, PIC was not always being enabled even when PIE was. This isn't a supported mode at all and may have caused some fallout in builds with complex PIC and PIE interactions. The result is (I hope) cleaner and clearer for readers. I've also left comments and tests about some of the truly strage behavior that is observed on Darwin platforms. We have no real testing of Windows platforms and PIC, but I don't have the tools handy to figure that out. Hopefully others can beef up our testing here. Unfortunately, I can't test this for every platform. =/ If folks have dependencies on these flags that aren't covered by tests, they may break. I've audited and ensured that all the changes in behavior of the existing tests are intentional and good. In particular I've tried to make sure the Darwin behavior (which is more suprising than the Linux behavior) also matches that of 'gcc' on my mac. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168297 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Revert r167799. It's not really correct, and it doesn't fix the problem that ↵Bill Wendling
it was intended to fix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16[driver] Add the missing TY_PP_ObjCXX_Alias case to the isCXX function.Chad Rosier
This was causing different behavior when using -x objective-c++-cpp-output as compared to -x objc++-cpp-output. Specifically, the driver was not adding the -fcxx-exceptions flag in the latter case. rdar://12680312 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168212 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16UBSan: enable proper linking with UBsan runtime on Darwin. Turn on building ↵Alexey Samsonov
ubsan on OS X in 'make' build system. Patch by Jean-Daniel Dupas. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168168 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15block extended signatur option. Change previous optionFariborz Jahanian
to a cc1 -fencode-extended-block-signature and pass it to cc1 and recognize this option to produce extended block type signature. // rdar://12109031 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168063 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Use empty parens for empty function parameter list instead of '(void)'.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Revert r167567, restoring the ability of clang to run gcc in cases where itNick Lewycky
can't handle the input file type. This resulted in PR14338. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13This patch makes the behavior of clang consistent with the behavior of gcc ↵Benjamin Kramer
4.6 in cases where both -fPIC and -fPIE is used. - Separately check if -fPIE was specified in the command line and define both __PIC__ and __PIE__ when -fPIE is used. We need to check this separately because -fPIE will infer -fPIC even if its not explicitly used. - Fixed existing tests. - Added new tests for cases where both -fPIC and -fPIE is used. Author: Tareq A. Siraj <tareq.a.siraj@intel.com> Fixes: PR13221 Review: http://llvm-reviews.chandlerc.com/D94 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Disable accelerator tables when compiling with LTO.Bill Wendling
LTO doesn't generate correct accelerator tables. This is due to the general lack correct of debug info for LTO. Disable it when using LTO. <rdar://problem/12401423> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167799 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09PR14303: Add a NoDriverOption flag to those options which are not accepted byRichard Smith
the driver (the options defined in CC1Options.td) and exclude their help from "clang --help". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167638 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Implement -mstrict-align using '-backend-option -arm-strict-align' as this savesChad Rosier
us from having to make any backend changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167623 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09[driver] Add a -mstrict-align compiler option for ARM targets.Chad Rosier
rdar://12340498 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167619 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Remove old driver code to grab the iOS simulator version from the -D option.Bob Wilson
We can now rely on the -mios-simulator-version-min command line option and remove the awful hack. <rdar://problem/10304510> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167603 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08Remove more code related to invoking llvm-gcc. <rdar://problem/11991320>Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167598 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08Driver/Darwin: The -arch argument values aren't exactly the arch names from aDaniel Dunbar
triple. - Translate the special case of powerpc to its expected -arch name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167571 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08Rip out a bunch of code for invoking gcc from clang.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167567 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08Remove code to fall back to llvm-gcc for i386 kexts.Bob Wilson
More cleanups to follow in separate commits.... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07[Driver] Fix -Wp,-MMD pr13959Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167559 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06clang/lib/Driver/Tools.cpp: Fix abuse of StringRef.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Follow-up for r167411 to un-break ASan on Mac. Move SanitizerArgs to a ↵Alexey Samsonov
header file and use it on Darwin toolchain. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167460 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06Per discussion on cfe-commits, treat -faddress-sanitizer,Richard Smith
-fno-address-sanitizer, -fthread-sanitizer, -fno-thread-sanitizer, and -fcatch-undefined-behavior as deprecated: produce a warning if they are used pointing to the corresponding -fsanitize= option. In passing add the missing '-' to some diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167429 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Use the individual -fsanitize=<...> arguments to control which of the UBSanRichard Smith
checks to enable. Remove frontend support for -fcatch-undefined-behavior, -faddress-sanitizer and -fthread-sanitizer now that they don't do anything. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167413 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Add -fsanitize=<sanitizers> argument to driver and frontend, and addRichard Smith
-fno-sanitize=<sanitizers> argument to driver. These allow ASan, TSan, and the various UBSan checks to be enabled and disabled separately. Right now, the different modes can't be combined, but the intention is that combining UBSan and the other sanitizers will be permitted in the near future. Currently, the UBSan checks will all be enabled if any of them is; that will be fixed by the next patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Improve x86 android support:Rafael Espindola
* -Bsymbolic must be added for x86 as well. * Default CPU name also set to 'core2' for x86 android. Patch by Edwin Vane. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167307 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Add -lpthread when building with Ubsan on Linux, in preparation for making ↵Richard Smith
libclang-rt.ubsan pull in sanitizer_common, which in turn depends on pthreads. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167305 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Remove first argument from Arg::getValue; it's been unused since r105760.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167211 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31[driver] Remove an extra space with the -iprefix option, so thatChad Rosier
matching works correctly. Part of rdar://12329974 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167173 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31[driver] Remove an extra space with the -internal-externc-isystem option, soChad Rosier
that matching works correctly. Part of rdar://12329974 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167161 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31getArchTypeForDarwinArchName is only used in the clang driver, copy it there.Rafael Espindola
I will remove it from llvm in the next commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167156 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31[driver] Completely rework how superfluous options are stripped out of the crashChad Rosier
diagnostics script. This addresses the FIXME pertaining to quoted arguments. We also delineate between those flags that have an argument (e.g., -D macro, -MF file) and those that do not (e.g., -M, -MM, -MG). Finally, we add the -dwarf-debug-flags to the list of flags to be removed. rdar://12329974 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167152 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31Fix if-else braces layout accordingly to the style guide.Simon Atanasyan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167118 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31Extend -Bprefix functionality and make it closer to gcc. If the "prefix"Simon Atanasyan
is not a directory, Driver::GetProgramPath() routine does not try to append the program name as a "path component" to it. It just joins the "prefix" with the program name and checks the resulting path existence. The patch reviewed by Rafael Espindola. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167114 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31Remove the -ccc-no-clang option.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Remove ccc-no-clang-cpp, which is also dead now.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30[driver] Older versions of ld expect '-L<dir>' not '-L <dir>'. In Xcode4 andChad Rosier
later, '-L <dir>' is allowed, but rewrite these in the driver as '-L<dir>' to maintain backward compatibility. The same is true for the -I option. rdar://12366753 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167054 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30In the past "production" clang builds would not be used for c++, andRafael Espindola
we had the -ccc-clang-cxx and -ccc-no-clang-cxx options to force them on or off for testing. Clang c++ support is now production quality and these options are dead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166986 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29Remove a bit of dead code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27Reverted back the changes made in 166868 and in 166869Mahesha S
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166871 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27-------------------------------------------------Mahesha S
Feature: OpenMP support in CLANG: Sub-Feature: Support for option -fopenmp Files Changed/Added: * include/clang/Driver/Options.td (C) * include/clang/Basic/LangOptions.def (C) * lib/Driver/Tools.cpp (C) * lib/Frontend/CompilerInvocation.cpp (C) Test Cases Changed/Added: * test/Driver/clang_fopenmp_opt.c (A) ------------------------------------------------- git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166868 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26[driver] Before applying the working directory check if the input pathArgyrios Kyrtzidis
is absolute. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166808 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26[options] Fix mishandling of aliased options that was introduced in r166444.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166801 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-25-fcatch-undefined-behavior checking for appropriate vptr value: Clang ↵Richard Smith
CodeGen side. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166661 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Handle -pthread, -pg and -shared correctly on bitrig.Rafael Espindola
Patch by David Hill. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166483 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22[Options] Add prefixes to options.Michael J. Spencer
Each option has a set of prefixes. When matching an argument such as -funroll-loops. First the leading - is removed as it is a prefix. Then a lower_bound search for "funroll-loops" is done against the option table by option name. From there each option prefix + option name combination is tested against the argument. This allows us to support Microsoft style options where both / and - are valid prefixes. It also simplifies the cases we already have where options come in both - and -- forms. Almost every option for gnu-ld happens to have this form. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22driver/Darwin: Default to AAPCS for M-class CPUs.Daniel Dunbar
- This is an assumption that is currently hardwired into the backend, we need to do this in order for the frontend and backend to agree. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-21Silence warning about && in ||.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166391 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-21Add support of MIPS n32 ABI to the Clang driver. The fix builds correct ↵Simon Atanasyan
library/object files paths and passes appropriate command line options to the linker if user provides -mabi=n32 option. The patch reviewed by Rafael Espindola. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166389 91177308-0d34-0410-b5e6-96231b3b80d8
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