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2012-07-11The end of a block doesn't necessarily need a line table entry unlessEric Christopher
there's something going on there. Remove the unconditional line entry and only add one if we're emitting cleanups (any other statements would be handled normally). Fixes rdar://9199234 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160033 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-04Remove get(V)BaseClassOffsetInBits, the CharUnit functions should be used ↵Benjamin Kramer
instead. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159719 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Fix grammar.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159321 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Don't circumvent the debug info type cache when emitting info for ↵Benjamin Kramer
EnumConstantDecl. CreateEnumType doesn't participate in caching so the descriptor for the enum gets recomputed for every reference of an element of an enum, only to get discarded when it gets turned into an MDNode. No functionality change except performance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158832 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
2012-06-12Remove unused variable.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158353 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08[C++11 Compat] Fix breaking change in C++11 pair copyctor.Michael J. Spencer
While this code is valid C++98, it is not valid C++11. The problem can be reduced to: class MDNode; class DIType { operator MDNode*() const {return 0;} }; class WeakVH { WeakVH(MDNode*) {} }; int main() { DIType di; std::pair<void*, WeakVH> p(std::make_pair((void*)0, di))); } This was not detected by any of the bots we have because they either compile C++98 with libstdc++ (which allows it), or C++11 with libc++ (which incorrectly allows it). I ran into the problem when compiling with VS 2012 RC. Thanks to Richard for explaining the issue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-07Plug a long standing memory leak in TemplateArgument.Benjamin Kramer
The integral APSInt value is now stored in a decomposed form and the backing store for large values is allocated via the ASTContext. This way its not leaked as TemplateArguments are never destructed when they are allocated in the ASTContext. Since the integral data is immutable it is now shared between instances, making copying TemplateArguments a trivial operation. Currently getting the integral data out of a TemplateArgument requires creating a new APSInt object. This is cheap when the value is small but can be expensive if it's not. If this turns out to be an issue a more efficient accessor could be added. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158150 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Revert Decl's iterators back to pointer value_type rather than reference ↵David Blaikie
value_type In addition, I've made the pointer and reference typedef 'void' rather than T* just so they can't get misused. I would've omitted them entirely but std::distance likes them to be there even if it doesn't use them. This rolls back r155808 and r155869. Review by Doug Gregor incorporating feedback from Chandler Carruth. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Reapply "Only emit debug information for methods that are user defined, there's"Eric Christopher
As the failing testcase has been fixed. This reverts commit 0637f407e6ee7fdccde17fbf9a5fcc4853187b3e. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158009 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Revert "Only emit debug information for methods that are user defined, there's"John McCall
This reverts r157970, which was not passing on clang-x86_64-darwin10-nobootstrap-RA git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Only emit debug information for methods that are user defined, there'sEric Christopher
not much reason to emit for constructors and destructors that aren't user defined. rdar://11593099 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157970 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-01Support C++11 enum forward declarations.Eric Christopher
Part of rdar://11570854 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157787 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-23Emit C++11 enum class information if it exists.Eric Christopher
Part of rdar://11496790 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-21Revert r115805. An array type is required to have a range type,Eric Christopher
however, the range can be unknown for the upper bound. Testcase to follow. Part of rdar://11457152 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157212 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-19Update API usage for llvm DIBuilder changes for rvalue referenceEric Christopher
types and ensure we are actually creating the type. rdar://11479676 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-16Remove unnecessary temporary.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156953 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08The address of a vla is actually complex and requires a dereference.Eric Christopher
Part of rdar://11352000 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156407 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Whitespace.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156406 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05Make BuiltinType::getName return a StringRef and introduce ↵Argyrios Kyrtzidis
BuiltinType::getNameAsCString to get a const char* if necessary. This avoids unnecessary conversions when we want to use the result of getName as a StringRef. Part of rdar://10796159 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156227 91177308-0d34-0410-b5e6-96231b3b80d8
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
2012-04-30Remove 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
2012-04-23Forward declarations should take a context. This helps the debuggerEric Christopher
find forward declarations in the context that the actual definition will occur. rdar://11291658 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Avoid string thrashing when we can concatenate them in the final buffer.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154678 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12static functions have a need for mangled name debug information too.Eric Christopher
The mangler doesn't like non-prototyped functions so only use a mangled name for prototyped functions. rdar://11079003 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154570 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Enable debug info for objective c implementations that may not haveEric Christopher
an explicit instance variable. rdar://10590352 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154481 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-05Only emit the getter and setter names if they're not the defaultEric Christopher
synthesized ones. Reasonable debug info size reduction for objc. rdar://11179756 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154129 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-03Change location information for synthesized properties to be at theEric Christopher
property file/line rather than the @synthesize file/line. Avoids some nasty confusing-ness with conflating the file from the scope and the line from the original declaration. Use the current scope location as a separate parameter so that we can match it up better in the line table with the beginning of the scope. Update a couple of testcases accordingly since I had to change that we actually use the passed in location in EmitFunctionStart and for the new metadata parameter and add a new testcase to make sure we've got the right line numbers for synthesized properties. Part of rdar://11026482 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153917 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Revert previous commit changing location information to see if thisEric Christopher
is causing the gdb test failures on the bots. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153727 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Change location information for synthesized properties to be at theEric Christopher
property file/line rather than the @synthesize file/line. Avoids some nasty confusing-ness with conflating the file from the scope and the line from the original declaration. Update a couple of testcases accordingly since I had to change that we actually use the passed in location in EmitFunctionStart. Fixes rdar://11026482 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153714 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-29Go back to using just the selector name for the getter and setterEric Christopher
in the property debug info. Any more isn't necessary after all. rdar://11144023 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153659 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-29 Add support for objc property decls according to the page at:Eric Christopher
http://llvm.org/docs/SourceLevelDebugging.html#objcproperty including type and DECL. Expand the getter and setter names into the fully qualified names. rdar://11144023 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153640 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-24Simplify some users of DenseMap::erase.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153389 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-20Update comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153149 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-20Debug info: Tighten up uses of plain MDNode pointers which don't survive ↵Benjamin Kramer
replaceOperandWith. TrackingVH notices when it gets RAUW'd. Fixes PR12305 and PR12315. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153115 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-14Add support to mangle templated member function names with templateEric Christopher
args. Fixes rdar://11042577 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-13When adding member functions to a class add any specializations ofEric Christopher
function templates as well. A future commit will mangle the added name with the template args like classes are mangled. Fixes rdar://10986010 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152683 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
2012-03-01Reapply r151702 with a small fix for a failure to cut and pasteEric Christopher
correctly. Still rdar://10900684 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151838 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29Revert r151702, "Add support for handling captured variables in lambda debugDaniel Dunbar
info.", which broke some -O0 -g tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29Add support for handling captured variables in lambda debug info.Eric Christopher
This currently doesn't handle capturing the 'this' pointer for any enclosing class. Steal the lambda-expressions.cpp testcase and debugify it and try to use more variables to proof it against random changes. Part of rdar://10900684 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151702 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27ObjcInterfaceTypes are also complete types for the type cache.Eric Christopher
Fixes rdar://10934887 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151519 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Add a quick TODO.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150996 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Remove the type retaining from the clang frontend. This is nowEric Christopher
handled by the caching and rauw. Also fix one cache that wasn't being added to highlighted by this patch. Update all testcases accordingly. This should fix the deall failure. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150977 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Make forward declarations for objective-c types use the newEric Christopher
temporary forward declaration nodes. Fixes a problem building Chrome. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150976 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-18Add in a caching mechanism so that forward declarations are replacedEric Christopher
with full types if they exist. rdar://10809898 and rdar://10209967 and rdar://10400981 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150858 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-18Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150857 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-18Remove UpdateCompletedType from the debug info emission. We nowEric Christopher
emit less than complete types on purpose on occasion and so our caches aren't useful for this kind of lazy emitting. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150856 91177308-0d34-0410-b5e6-96231b3b80d8
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