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2012-01-26Enable several checkers under --analyze for general testing.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Delete the driver's HostInfo class. This abstraction just never reallyChandler Carruth
did anything. The two big pieces of functionality it tried to provide was to cache the ToolChain objects for each target, and to figure out the exact target based on the flag set coming in to an invocation. However, it had a lot of flaws even with those goals: - Neither of these have anything to do with the host, or its info. - The HostInfo class was setup as a full blown class *hierarchy* with a separate implementation for each "host" OS. This required dispatching just to create the objects in the first place. - The hierarchy claimed to represent the host, when in fact it was based on the target OS. - Each leaf in the hierarchy was responsible for implementing the flag processing and caching, resulting in a *lot* of copy-paste code and quite a few bugs. - The caching was consistently done based on architecture alone, even though *any* aspect of the targeted triple might change the behavior of the configured toolchain. - Flag processing was already being done in the Driver proper, separating the flag handling even more than it already is. Instead of this, we can simply have the dispatch logic in the Driver which previously created a HostInfo object create the ToolChain objects. Adding caching in the Driver layer is a tiny amount of code. Finally, pulling the flag processing into the Driver puts it where it belongs and consolidates it in one location. The result is that two functions, and maybe 100 lines of new code replace over 10 classes and 800 lines of code. Woot. This also paves the way to introduce more detailed ToolChain objects for various OSes without threading through a new HostInfo type as well, and the accompanying boiler plate. That, of course, was the yak I started to shave that began this entire refactoring escapade. Wheee! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148950 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Add support for -fno-optimize-sibling-calls. Currently only implemented in theNick Lewycky
X86 backend in LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-21[Cygwin] Abandon Cygwin-1.5 and g++-3. Use g++-4.3 and higher on Cygwin-1.7.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148636 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-20Reenable DeadStoresChecker under --analyze, and move the ↵Ted Kremenek
IdempotentOperationsChecker to the 'experimental' category. Fixes <rdar://problem/10146347>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148533 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-18In the driver, -fmodules enables modules for C/Objective-C but oneDouglas Gregor
also needs -fcxx-modules to enable modules for C++/Objective-C++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148393 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-13remove assertions in the Hexagon backend specific clang driverSebastian Pop
Patch from Jyotsna Verma: I have made the changes to remove assertions in the Hexagon backend specific clang driver. Instead of asserting on invalid arch name, it has been modified to use the default value. I have changed the implementation of the CPU flag validation for the Hexagon backend. Earlier, the clang driver performed the check and asserted on invalid inputs. In the new implementation, the driver passes the last CPU flag (or sets to "v4" if not specified) to the compiler (and also to the assembler and linker which perform their own check) instead of asserting on incorrect values. This patch changes the setCPU function for the Hexagon backend in clang/lib/Basic/Targets.cpp which causes the compiler to error out on incorrect CPU flag values. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148139 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Adjust set of default checkers.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148055 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11Fix -mfpu parsing on ARM.Evgeniy Stepanov
- Support gcc-compatible vfpv3 name in addition to vfp3. - Support vfpv3-d16. - Disable neon feature for -mfpu=vfp* (yes, we were emitting Neon instructions for those!). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147943 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Add support for the androideabi environment to our triple support, andChandler Carruth
for the arm-linux-androideabi triple in particular. Also use this to do a better job of selecting soft FP settings. Patch by Evgeniy Stepanov. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147872 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Add -g to the cc1as flags only if we're dealing with an originalEric Christopher
source file. Otherwise -g -save-temps will error out on the compile of any .c file. Fixes about 4000 of the errors in the clang-tests gdb test suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147819 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Remove extraneous braces.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147818 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06Revert r147664; it's breaking clang regression tests.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147681 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06Silence GCC warnings.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04Driver/Darwin: Remove a hack that avoided passing -demangle to iOS linkers.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147552 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03Fixed by Chandler in r147434.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147489 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03Add -fno-modules to the driver, to turn off modules (although they're off by ↵Douglas Gregor
default anyway). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147449 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03Rename the command-line option for mapping #include/#import over toDouglas Gregor
module imports from -fauto-module-import to -fmodules. The new name will eventually be used to enable modules, and the #include/#import mapping is a crucial part of the feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147447 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-02Fix PR11685 by implementing -ffast-math and its various friends in theChandler Carruth
Clang driver. This involves a bunch of silly option parsing code to try to carefully emulate GCC's options. Currently, this takes a conservative approach, and unless all of the unsafe optimizations are enabled, none of them are. The fine grained control doesn't seem particularly useful. If it ever becomes useful, we can add that to LLVM first, and then expose it here. This also fixes a few tiny bugs in the flag management around -fhonor-infinities and -fhonor-nans; the flags now form proper sets both for enabling and disabling, with the last flag winning. I've also implemented a moderately terrifying GCC feature where a language change is also provided by the '-ffast-math' flag by defining the __FAST_MATH__ preprocessor macro. This feature is tracked and serialized in the frontend but it isn't used yet. A subsequent patch will add the preprocessor macro and tests for it. I've manually tested that codegen appears to respect this, but I've not dug in enough to see if there is an easy way to test codegen options w/o relying on the particulars of LLVM's optimizations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147434 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-26Fix potential use after free.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147277 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-23fix for PR11634Anton Yartsev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147224 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-22Last part of support for generating dwarf for assembly source files. This getsKevin Enderby
the clang driver to enable this when assembling a .s file. rdar://9275556 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147167 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-20Unweaken vtables as per ↵David Blaikie
http://llvm.org/docs/CodingStandards.html#ll_virtual_anch git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-17Fix an abiguous-else warning from GCC. I have no idea why Clang doesn'tChandler Carruth
have this warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146839 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-16C++11 constexpr: Add note stacks containing backtraces if constant evaluationRichard Smith
fails within a call to a constexpr function. Add -fconstexpr-backtrace-limit argument to driver and frontend, to control the maximum number of notes so produced (default 10). Fix APValue printing to be able to pretty-print all APValue types, and move the testing for this functionality from a unittest to a -verify test now that it's visible in clang's output. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146749 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-15gcov-style profiling support for OpenBSD. Patch by Jonathan Gray.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146631 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-14Fix typos.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146595 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-14Don't use the frame pointer on linux x86 and x86_64 if optimizing. ThisRafael Espindola
matches gcc's behavior. Fixes PR8186. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146586 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Fix "control may reach end of non-void function" warning.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146448 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Hexagon backend supportTony Linthicum
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-09Driver: Handle -f{no-}honor-infinities, -f{no-}honor-nans, andDaniel Dunbar
-ffinite-math-only. - No test case yet, I don't know how to construct a situation where this matters. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146297 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08Misc Minix-specific changes to clang:Eli Friedman
. move compiler-rt to a separate directory so the -L argument only includes compiler-rt (thanks joerg) . build all clang subdirs . switches the Minix platform to ELF . normalizes toolchain invocation Patch by Ben Gras. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146206 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08Minor cleanup. Avoid redundant getTriple() calls.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146122 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-07Driver/Linux: Fix the ASAN library path to match current compiler-rtDaniel Dunbar
integration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146098 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06[asan] Mac: do not link dynamic libs with the asan-rt, use -undefined ↵Kostya Serebryany
dynamic_lookup for dynamic libs. Style fixes. Patch by glider@google.com git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145955 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06Stack realignment is a tristate. Add -mno-stackrealign to turn off all stackNick Lewycky
realignment, even with locals with alignment exceeding the ABI guarantee. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145909 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05Add -mstack-alignment=X and fix -mstackrealign handling now that theJoerg Sonnenberger
backend options are gone. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05[asan] don't require libstdc++ for asan on linux. Mac fix will go separatelyKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Get the -march argument based on the target MIPS architecture or cpu and passAkira Hatanaka
it to GNU assembler. In addition, change function getMipsArchFromCPU() so that it can be reused in ConstructJob(). Patch by Simon Atanasyan. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145509 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30when -faddress-sanitizer is present, add required flags to the linker ↵Kostya Serebryany
command (linux-only) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145467 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29Change processor names. Patch by Simon Atanasyan.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28A couple driver fixes for PPC Linux. Patches by Michael Kostylev. ↵Eli Friedman
PR11444/PR11445. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145321 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-21Add driver arguments -ftemplate-depth=N and -fconstexpr-depth=N, with the sameRichard Smith
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145045 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-21Change the linker emulation name for FreeBSD/PPC32.Roman Divacky
Submitted by Andreas Tobler! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145041 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-21Teach the driver about failure result files, which are compilationPeter Collingbourne
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145018 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17clang/Darwin: Use the compiler-rt provided profile library.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144869 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Add -f[no-]address-sanitizer flagKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144800 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14Don't track depfiles as result files which need to be cleaned up on failure.Matt Beaumont-Gay
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144590 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Add top-level driver option '--serialize-diagnostics' for serialize compiler ↵Ted Kremenek
diagnostics to a file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08Misc fixes for clang driver on Mips Linux. Patch by Simon Atanasyan.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144108 91177308-0d34-0410-b5e6-96231b3b80d8
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