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2012-09-13Fix Doxygen misuse: refer to parameter names in paragraphs correctly (\arg isDmitri Gribenko
not what most people want -- it starts a new paragraph). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Conditionally parse documentation comments in system headers byTed Kremenek
passing -fretain-comments-from-system-headers. By default, the compiler no longer parses such documentation comments, as they can result in a noticeable compile time/PCH slowdown. Fixes <rdar://problem/11860820>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163778 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[analyzer] Always include destructors in the analysis CFG.Jordan Rose
While destructors will continue to not be inlined (unless the analyzer config option 'c++-inlining' is set to 'destructors'), leaving them out of the CFG is an incomplete model of the behavior of an object, and can cause false positive warnings (like PR13751, now working). Destructors for temporaries are still not on by default, since (a) we haven't actually checked this code to be sure it's fully correct (in particular, we probably need to be very careful with regard to lifetime-extension when a temporary is bound to a reference, C++11 [class.temporary]p5), and (b) ExprEngine doesn't actually do anything when it sees a temporary destructor in the CFG -- not even invalidate the object region. To enable temporary destructors, set the 'cfg-temporary-dtors' analyzer config option to '1'. The old -cfg-add-implicit-dtors cc1 option, which controlled all implicit destructors, has been removed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163264 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Allow disabling of wchar_t type.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Revert r163076 per chandlerc's request.Joao Matos
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163146 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-01Refactored the Windows headers location lookup code. Expose it so standalone ↵Joao Matos
tools can have access to it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163076 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-30Change -analyzer-config to use '=' as the key-value separator, and onlyTed Kremenek
support the '-analyzer-config key=val' variant. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162891 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Add new -cc1 driver option -analyzer-config, which allows one to specifyTed Kremenek
a comma separated collection of key:value pairs (which are strings). This allows a general way to provide analyzer configuration data from the command line. No clients yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162827 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Reduce the amount of state in the Option class by relying on the data from ↵Michael J. Spencer
OptTable::Info. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162299 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21[driver] Add support for the --param ssp-buffer-size= driver option.Chad Rosier
PR9673 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Screw around with ObjCRuntime some more, changing theJohn McCall
diagnostics for bad deployment targets and adding a few more predicates. Includes a patch by Jonathan Schleifer to enable ARC for ObjFW. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162252 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Make Option non virtual.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31[analyzer] Turn -cfg-add-initializers on by default, and remove the flag.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161060 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Added -ast-list option to dump filterable AST decl node names.Alexander Kornienko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161040 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Added -ast-dump-filter option to clang -cc1.Alexander Kornienko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160784 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Rename -fms-inline-asm to -fenable-experimental-ms-inline-asm.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160590 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Revert accidental commit.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160574 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Add a new flag, -fms-inline-asm, that enables the output of MS-style inlineChad Rosier
assembly. By default, we don't emit IR for MS-style inline assembly (see r158833 as to why). This is strictly for testing purposes and should not be enabled with the expectation that things will work. This is a temporary flag and will be removed once MS-style inline assembly is fully supported. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160573 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Capitalize "Objective-C" and "C++" in user-facing contexts.Jordan Rose
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160516 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Define __FINITE_MATH_ONLY__ based on -ffast-math and -ffinite-math-only.Bob Wilson
This macro was being unconditionally set to zero, preceded by a FIXME comment. This fixes <rdar://problem/11845441>. Patch by Michael Gottesman! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160491 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-11Add OpenCL metadata for kernel arg names. This output is controlled via a ↵Tanya Lattner
flag as noted in the OpenCL Spec. Includes a test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160092 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-08Add missing options for -m(no-){pclmul,fma,xop}.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159913 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-07Wire up -mrdrnd for X86.Benjamin Kramer
For some reason GCC decided to call the feature rdrnd instead of rdrand, which requires translating it for LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-07Re-apply r159875 with fixes.Ted Kremenek
- Split pedantic driver flag test into separate test file, and XFAIL on cygwin,mingw32 - Fix bug in tablegen logic where a missing '{' caused errors to be included in -Wpedantic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-07Revert rr159875, "Implement -Wpedantic and --no-pedantic to complement ↵NAKAMURA Takumi
-Weverything." It broke several builds. I suspect FileCheck might match assertion failure, even if clang/test/Misc/warning-flags.c passed the test. > 0. Program arguments: bin/./clang -### -pedantic -Wpedantic clang/test/Driver/warning-options.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Implement -Wpedantic and --no-pedantic to complement -Weverything.Ted Kremenek
This patch introduces some magic in tablegen to create a "Pedantic" diagnostic group which automagically includes all warnings that are extensions. This allows a user to suppress specific warnings traditionally under -pedantic used an ordinary warning flag. This also allows users to use #pragma to silence specific -pedantic warnings, or promote them to errors, within blocks of text (just like any other warning). -Wpedantic is NOT an alias for -pedantic. Instead, it provides another way to (a) activate -pedantic warnings and (b) disable them. Where they differ is that -pedantic changes the behavior of the preprocessor slightly, whereas -Wpedantic does not (it just turns on the warnings). The magic in the tablegen diagnostic emitter has to do with computing the minimal set of diagnostic groups and diagnostics that should go into -Wpedantic, as those diagnostics that already members of groups that themselves are (transitively) members of -Wpedantic do not need to be included in the Pedantic group directly. I went back and forth on whether or not to magically generate this group, and the invariant was that we always wanted extension warnings to be included in -Wpedantic "some how", but the bookkeeping would be very onerous to manage by hand. -no-pedantic (and --no-pedantic) is included for completeness, and matches many of the same kind of flags the compiler already supports. It does what it says: cancels out -pedantic. One discrepancy is that if one specifies --no-pedantic and -Weverything or -Wpedantic the pedantic warnings are still enabled (essentially the -W flags win). We can debate the correct behavior here. Along the way, this patch nukes some code in TextDiagnosticPrinter.cpp and CXStoredDiagnostic.cpp that determine whether to include the "-pedantic" flag in the warning output. This is no longer needed, as all extensions now have a -W flag. This patch also significantly reduces the number of warnings not under flags from 229 to 158 (all extension warnings). That's a 31% reduction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159875 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Add -ffp-contract = { fast | on | off } command line option support.Lang Hames
This flag sets the 'fp-contract' mode, which controls the formation of fused floating point operations. Available modes are: - Fast: Form fused operations anywhere. - On: Form fused operations where allowed by FP_CONTRACT. This is the default mode. - Off: Don't form fused operations (in future this may be relaxed to forming fused operations where it can be proved that the result won't be affected). Currently clang doesn't support the FP_CONTRACT pragma, so the 'On' and 'Off' modes are equivalent. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159794 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-05MIPS: Add -mdsp/-mno-dsp and -mdspr2/-mno-dspr2 command line options support.Simon Atanasyan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159769 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-05MIPS: Add -mips16 / -mno-mips16 command line support.Simon Atanasyan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159747 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-04Hoist the logic for selecting the Objective-C dispatch method into the runtimeDavid Chisnall
class, from the target. No functionality change, just less duplicated logic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159710 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02Documentation cleanup:James Dennett
* Added file header documentation with \file and \brief; * Cleaned up existing doc comments and added/annotated \brief summaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159629 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02Add a new libclang completion API to get brief documentation comment that isDmitri Gribenko
attached to a declaration in the completion string. Since extracting comments isn't free, a new code completion option is introduced. A new code completion option that enables including brief comments into CodeCompletionString should be a, err, code completion option. But because ASTUnit caches global declarations during parsing before even completion consumer is created, the option is duplicated as a translation unit option (in both libclang and ASTUnit, like the option to cache code completion results). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159539 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29Use -frewrite-includes for crash reports.David Blaikie
In future changes we should: * use __builtin_trap rather than derefing 'random' volatile pointers. * avoid dumping temporary files into /tmp when running tests, instead preferring a location that is properly cleaned up by lit. Review by Chandler Carruth. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159469 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Add -ftls-model command-line flag.Hans Wennborg
This allows for setting the default TLS model. (PR9788) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159336 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26Add template type diffing to Clang. This feature will provide a betterRichard Trieu
comparison between two templated types when they both appear in a diagnostic. Type elision will remove indentical template arguments, which can be disabled with -fno-elide-type. Cyan highlighting is applied to the differing types. For more formatting, -fdiagnostic-show-template-tree will output the template type as an indented text tree, with differences appearing inline. Template tree works with or without type elision. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159216 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26[driver] Make -serialize-diagnostics (one dash) and alias forChad Rosier
--serialize-diagnostics. rdar://11734800 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159208 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-21Improve support for -g options accepted by Clang:Alexey Samsonov
1. Accept flags -g[0-3], -ggdb[0-3], -gdwarf-[2-4] and collapse them to simple -g (except -g0/-ggdb0). 2. Produce driver error on unsupported formats (-gcoff, -gstabs, -gvms) and options (-gtoggle). 3. Recognize and ignore flags -g[no-]strict-dwarf, -g[no-]record-gcc-switches. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158906 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Revert "Provide a -no-pedantic to cancel out -pedantic." This needs to be ↵Ted Kremenek
designed a bit further. We may wish to just have -Wno flags to silence warnings, and not have a -no-pedantic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158796 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Restructure how the driver communicates information about theJohn McCall
target Objective-C runtime down to the frontend: break this down into a single target runtime kind and version, and compute all the relevant information from that. This makes it relatively painless to add support for new runtimes to the compiler. Make the new -cc1 flag, -fobjc-runtime=blah-x.y.z, available at the driver level as a better and more general alternative to -fgnu-runtime and -fnext-runtime. This new concept of an Objective-C runtime also encompasses what we were previously separating out as the "Objective-C ABI", so fragile vs. non-fragile runtimes are now really modelled as different kinds of runtime, paving the way for better overall differentiation. As a sort of special case, continue to accept the -cc1 flag -fobjc-runtime-has-weak, as a sop to PLCompatibilityWeak. I won't go so far as to say "no functionality change", even ignoring the new driver flag, but subtle changes in driver semantics are almost certainly not intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Add a -fuse-init-array option to cc1 and map to the UseInitArray targetRafael Espindola
option. On the driver, check if we are using libraries from gcc 4.7 or newer and if so pass -fuse-init-array to the frontend. The crtbegin*.o files in gcc 4.7 no longer call the constructors listed in .ctors, so we have to use .init_array. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158694 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17For compatibility with gcc, accept -maltivec as an alias of -faltivec.Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158613 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Documentation cleanup:James Dennett
* Converted comments to use \brief to provide summaries; * Fixed uses of \arg that should be \p; * Fixed \param [in] [out] to \param [in,out]; * Made minor formatting fixes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158510 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Documentation cleanup: use \p ParameterName when referring to a parameter,James Dennett
not \arg ParameterName (which should be used only when documenting that parameter, not when referring to it from elsewhere). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158509 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-14Support -f[no-]rewrite-includes from the driver.David Blaikie
Review by Chandler Carruth. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158463 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-14Support -frewrite-includes as an option while preprocessing.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158460 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-14Rename -rewrite-includes to -frewrite-includes.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158458 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-13Add -isystem-prefix and -ino-system-prefix arguments, which can be used toRichard Smith
override whether headers are system headers by checking for prefixes of the header name specified in the #include directive. This allows warnings to be disabled for third-party code which is found in specific subdirectories of include paths. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158418 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-13Provide a -no-pedantic to cancel out -pedantic.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158416 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Fix Makefile: Options.td depends on CC1Options.td.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Add a -rewrite-includes option, which is similar to -rewrite-macros, but ↵David Blaikie
only expands #include directives. Patch contributed by Lubos Lunak (l.lunax@suse.cz). Review by Matt Beaumont-Gay (matthewbg@google.com). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158093 91177308-0d34-0410-b5e6-96231b3b80d8
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