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2012-05-04This patch adds a new Clang compiler flag "-gline-tables-only".Alexey Samsonov
It reduces the amount of emitted debug information: 1) DIEs in .debug_info have types DW_TAG_compile_unit, DW_TAG_subprogram, DW_TAG_inlined_subroutine (for opt builds) and DW_TAG_lexical_block only. 2) .debug_str contains only function names. 3) No debug data for types/namespaces/variables is emitted. 4) The data in .debug_line is enough to produce valid stack traces with function names and line numbers. Reviewed by Eric Christopher. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156160 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Use the standard values for the __cplusplus macro, even when in GNU mode. GCCRichard Smith
dropped its prior behavior of always defining __cplusplus to 1 in GNU mode in version 4.7. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156113 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Fix cmake. Remaining two ClangCC1Options deps.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155977 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Remove variables made dead by r155923David Blaikie
This makes Clang's build warning free again. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155928 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Remove dead code found by static analyzer.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Unify Options.td and CC1Options.td, in a first step towards unifying the ↵James Molloy
serialization logic in Frontend and Driver. Reviewed by Eric, Doug and Chandler, and here: http://llvm.org/reviews/r/7/ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155916 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Make some helper functions static.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155914 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30Remove the ref/value inconsistency in filter_decl_iterator.David Blaikie
filter_decl_iterator had a weird mismatch where both op* and op-> returned T* making it difficult to generalize this filtering behavior into a reusable library of any kind. This change errs on the side of value, making op-> return T* and op* return T&. (reviewed by Richard Smith) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155808 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27Use enum to set debug info size generated by ClangAlexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155697 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Revert r154981, because it caused PR12674.Nico Weber
Add a test for PR12674. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-18Suppress -Wunused-variable warning in -Asserts buildMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155011 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-18fix display of source lines with null charactersSeth Cantrell
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154981 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-18Nicer display of unprintable source, and fix caret display for non-ascii textSeth Cantrell
Unprintable source in diagnostics is transformed to a printable form and then displayed with reversed colors if possible. Unprintable characters are displayed as <U+NNNN> while bytes that do not represent valid characters are shown as <XX>. Column adjustments to diagnostic carets, highlighted ranges, and fixups are made both for characters escaped as above and for characters which are printable but take up more than a single column. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154980 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-17Revert "Nicer display of unprintable source, and fix caret display for ↵Seth Cantrell
non-ascii text" This reverts commit e9a3b76ba589a8a884e978273beaed0d97cf9861. Revert "fix display of source lines with null characters" This reverts commit 70712b276e40bbe11e5063dfc7e82ce3209929cd. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154950 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-17fix display of source lines with null charactersSeth Cantrell
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154947 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-17Nicer display of unprintable source, and fix caret display for non-ascii textSeth Cantrell
Unprintable source in diagnostics is transformed to a printable form and then displayed with reversed colors if possible. Unprintable characters are displayed as <U+NNNN> while bytes that do not represent valid characters are shown as <XX>. Column adjustments to diagnostic carets, highlighted ranges, and fixups are made both for characters escaped as above and for characters which are printable but take up more than a single column. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154946 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16objective-c modern translator: buildit objc boolFariborz Jahanian
type for rewriter project will be BoolTy. // rdar://11231426. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154861 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-14ASTUnit: Don't clone the new DiagnosticConsumer, causing it to get leaked.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Remove the -cc1-level option "-pubnames-dump". Such things should stayDouglas Gregor
out of the tree and use the tooling infrastructure. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154668 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Implement the missing pieces needed to support libstdc++4.7's <atomic>:Richard Smith
__atomic_test_and_set, __atomic_clear, plus a pile of undocumented __GCC_* predefined macros. Implement library fallback for __atomic_is_lock_free and __c11_atomic_is_lock_free, and implement __atomic_always_lock_free. Contrary to their documentation, GCC's __atomic_fetch_add family don't multiply the operand by sizeof(T) when operating on a pointer type. libstdc++ relies on this quirk. Remove this handling for all but the __c11_atomic_fetch_add and __c11_atomic_fetch_sub builtins. Contrary to their documentation, __atomic_test_and_set and __atomic_clear take a first argument of type 'volatile void *', not 'void *' or 'bool *', and __atomic_is_lock_free and __atomic_always_lock_free have an argument of type 'const volatile void *', not 'void *'. With this change, libstdc++4.7's <atomic> passes libc++'s atomic test suite, except for a couple of libstdc++ bugs and some cases where libc++'s test suite tests for properties which implementations have latitude to vary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154640 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Changed all direct calls to CompletionConsumer.reset(..) to go callErik Verbruggen
CompilerInstance::setCodeCompletionConsumer instead, in order to change the SkipFunctionBodies flag accordingly. Also fixed setCodeCompletionConsumer to take a reset() to null into account. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154585 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Added a flag to the parser to skip method bodies.Erik Verbruggen
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154584 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[libclang] If displayDiagnostics is set (when calling clang_createIndex), ↵Argyrios Kyrtzidis
make sure to output the errors that occurred even if we did not get an AST (e.g. because the PCH failed to load). Also honor displayDiagnostics in clang_indexSourceFile(). rdar://11203489 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154472 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-10[code-complete] Introduce CodeCompletionTUInfo which will be used for cachingArgyrios Kyrtzidis
code-completion related strings specific to a translation unit (ASTContext and related data) CodeCompletionAllocator does such limited caching, by caching the name assigned to a DeclContext*, but that is not the appropriate place since that object has a lifetime that can extend beyond that of an ASTContext. Introduce CodeCompletionTUInfo which will be always tied to a translation unit to do this kind of caching and move the caching of CodeCompletionAllocator into this object, and propagate it to all the places where it will be needed. The plan is to extend the caching where appropriate, using CodeCompletionTUInfo, to avoid re-calculating code-completion strings. Part of rdar://10796159. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154408 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-09Revert r154321, pending more discussion.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154327 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-09Add -fobjc-trace to emit a call before and after each Objective-C message sendDavid Chisnall
for hooking in code flow visualisation applications. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154321 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-08Teach Clang about PIE compilations. This is the first step of PR12380.Chandler Carruth
First, this patch cleans up the parsing of the PIC and PIE family of options in the driver. The existing logic failed to claim arguments all over the place resulting in kludges that marked the options as unused. Instead actually walk all of the arguments and claim them properly. We now treat -f{,no-}{pic,PIC,pie,PIE} as a single set, accepting the last one on the commandline. Previously there were lots of ordering bugs that could creep in due to the nature of the parsing. Let me know if folks would like weird things such as "-fPIE -fno-pic" to turn on PIE, but disable full PIC. This doesn't make any sense to me, but we could in theory support it. Options that seem to have intentional "trump" status (-static, -mkernel, etc) continue to do so and are commented as such. Next, a -pie-level flag is threaded into the frontend, rigged to a language option, and handled preprocessor, setting up the appropriate defines. We'll now have the correct defines when compiling with -fpie. The one place outside of the preprocessor that was inspecting the PIC level (as opposed to the relocation model, which is set and handled separately, yay!) is in the GNU ObjC runtime. I changed it to exactly preserve existing behavior. If folks want to change its behavior in the face of PIE, they can do that in a separate patch. Essentially the only functionality changed here is the preprocessor defines and bug-fixes to the argument management. Tests have been updated and extended to test all of this a bit more thoroughly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154291 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-28[analyzer] Enable retry exhausted without inlining by default.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-27Move the emission of strict enum range metadata behind a flag (the sameChandler Carruth
flag as GCC uses: -fstrict-enums). There is a *lot* of code making unwarranted assumptions about the underlying type of enums, and it doesn't seem entirely reasonable to eagerly break all of it. Much more importantly, the current state of affairs is *very* good at optimizing based upon this information, which causes failures that are very distant from the actual enum. Before we push for enabling this by default, I think we need to implement -fcatch-undefined-behavior support for instrumenting and trapping whenever we store or load a value outside of the range. That way we can track down the misbehaving code very quickly. I discussed this with Rafael, and currently the only important cases he is aware of are the bool range-based optimizations which are staying hard enabled. We've not seen any issue with those either, and they are much more important for performance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153550 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-27[analyzer] Add an option to re-analyze a dead-end path without inlining.Anna Zaks
The analyzer gives up path exploration under certain conditions. For example, when the same basic block has been visited more than 4 times. With inlining turned on, this could lead to decrease in code coverage. Specifically, if we give up inside the inlined function, the rest of parent's basic blocks will not get analyzed. This commit introduces an option to enable re-run along the failed path, in which we do not inline the last inlined call site. This is done by enqueueing the node before the processing of the inlined call site with a special policy encoded in the state. The policy tells us not to inline the call site along the path. This lead to ~10% increase in the number of paths analyzed. Even though we expected a much greater coverage improvement. The option is turned off by default for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153534 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-27Introduce a -cc1-level option -pubnames-dump, which simply dumps theDouglas Gregor
list of identifiers that that 'public' names at the end of the translation unit, e.g., defined macros or identifiers with top-level names, in sorted order. Meant to support <rdar://problem/10921596>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153522 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26Driver: Factor string vector push_back into a helper class and optimize it.Benjamin Kramer
Due to lack of move semantics we would create a temporary std::string from the string literal, copy it into the vector and discard the temporary. This leads to massive code bloat, optimizing it saves 50k on i386-linux-Release+Asserts. While there add a two-element overload for push_back, simplifying code a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153441 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-25Since this change is generating a considerable amount of discussion (and ↵Aaron Ballman
possibly even a regression for known bad versions), I'm reverting it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-25No longer hard coding paths to the MinGW include directories; using a ↵Aaron Ballman
regular expression instead. Patch thanks to Nikola Smiljanic git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153413 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-15[frontend] Fix how the frontend handles -fno-inline. AFAIK clang now matchesChad Rosier
the behavior of gcc with respect to the -fno-inline and -fno-inline-functions flags. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152861 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-15Adding in newer MinGW header paths.Aaron Ballman
Patch thanks to Nikola Smiljanic git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152801 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-14[frontend] Add support for disabling the "inline" keyword using Chad Rosier
-fno-inline-functions. This behaves much like -fno-inline in gcc, but based on a discussion with Daniel it was decided that -fno-inline-functions should subsume -fno-inline. Please speak up if you object. The -fno-inline flag remains ignored. Final part of rdar://10972766 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152754 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-13[driver] Parse diagnostic args in the driver.Chad Rosier
Previously, only diagnostics thrown by the cc1 process were actually honoring the diagnostic options given on the command line, like -Werror. Reuse the existing code in Frontend currently used for cc1, adjusting it to not interpret -Wl, linker flags as warnings. Also fix a faulty test exposed by this change. It wasn't actually testing anything, and was giving this warning: clang-3: warning: argument unused during compilation: '-verify' Which -Werror didn't turn into an error because it was output by the driver, not the cc1 process, and diagnostic options weren't parsed by the driver. And you couldn't see the warning when running the test suite. Fixes PR12181. Patch by Dylan Noblesmith <nobled@dreamwidth.org>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152660 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-13[libclang] When there's a file error when saving the PCH, make sure toArgyrios Kyrtzidis
clear the error from raw_fd_ostream, otherwise we will crash. rdar://10976410 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152605 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-11Unify naming of LangOptions variable/get function across the Clang stack ↵David Blaikie
(Lex to AST). The member variable is always "LangOpts" and the member function is always "getLangOpts". Reviewed by Chris Lattner git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-10No longer defining GNUC mode when compiling for Microsoft compatibility. ↵Aaron Ballman
This allows people's cross-platform compiler-specific macros to work properly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152512 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[analyzer] Add support for NoRedundancy inlining mode.Anna Zaks
We do not reanalyze a function, which has already been analyzed as an inlined callee. As per PRELIMINARY testing, this gives over 50% run time reduction on some benchmarks without decreasing of the number of bugs found. Turning the mode on by default. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152440 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[Basic] Rename LangOptions::NoInline to NoInlineDefine, to make things a bitDaniel Dunbar
more obvious. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152408 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08[analyzer] Rework inlining related command line options.Anna Zaks
- Remove -analyzer-inline-call. - Add -analyzer-ipa=[none|inlining] - Add -analyzer-inlining-mode to allow experimentation for different performance tuning methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152351 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Replace MarkVarRequired with a more genericRafael Espindola
HandleCXXStaticMemberVarInstantiation. Suggested by Argyrios. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152320 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-07Workaround module test failures by removing the version info from module hashes.Bob Wilson
PR12196: The module hash strings are not actually hashing the compiler version string; the entire version string is being included in the hash. Depending on the module cache directory name, that can lead to failures where the path names become too long. As a temporary workaround, just remove the version string from the hash. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152266 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-07[PCH] Mark a PCH file with a flag to indicate if the serialized AST hadArgyrios Kyrtzidis
compiler errors or not. -Control whether ASTReader should reject such a PCH by a boolean flag at ASTReader's creation time. By default, such a PCH file will be rejected with an error when trying to load it. [libclang] Allow clang_saveTranslationUnit to create a PCH file even if compiler errors occurred. -Have libclang API calls accept a PCH that had compiler errors. The general idea is that we want libclang to stay functional even if a PCH had a compiler error. rdar://10976363. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152192 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06CMake: Fix build to add clangEdit to USED_LIBS.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06[driver] What was implemented in r152130 was actually -fno-inline-functions, notChad Rosier
-fno-inline. Part of rdar://10972766 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152145 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06Add new code migrator support for migrating existing Objective-C code to useTed Kremenek
the new Objective-C NSArray/NSDictionary/NSNumber literal syntax. This introduces a new library, libEdit, which provides a new way to support migration of code that improves on the original ARC migrator. We now believe that most of its functionality can be refactored into the existing libraries, and thus this new library may shortly disappear. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152141 91177308-0d34-0410-b5e6-96231b3b80d8
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