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2010-08-02Simplify global method pool implementation in Sema. No functionality change.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110078 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02When using a precompiled preamble, save the diagnostics produced whenDouglas Gregor
creating the preamble and "replay" them when reusing the preamble. Also, fix a thinko in the copying of the preamble when building the precompiled preamble. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110061 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Query only the latest version of an identifier in the PCH chain. Make sure ↵Sebastian Redl
this version holds the entire declaration chain. This is a much saner solution than trying to merge the info from all elements, and makes redeclarations work properly. Expand the declarations test case to cover more compliated cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110052 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Read/write in PCH Sema's StdNamespace and StdBadAlloc and use a LazyDeclPtr ↵Argyrios Kyrtzidis
for them that will deserialize them when needed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Driver/OpenBSD: Update toolchain for compiler changes / C++; patch by JonathanDaniel Dunbar
Gray. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109994 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-31Implement dependency analysis for the precompiled preamble. If any ofDouglas Gregor
the files in the precompiled preamble have changed since it was build, force the preamble to be rebuilt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109937 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Add some timers to ASTUnit that are only enabled when the LIBCLANG_TIMING ↵Douglas Gregor
environment variable is set. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Safely get a data pointer for vectors that might be empty.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109867 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Refactor the way PCHReader tracks whether we are in recursive loading.Argyrios Kyrtzidis
-Replace CurrentlyLoadingTypeOrDecl with a counting scheme (NumCurrentElementsDeserializing) -Provide outside access to the mechanism by adding methods StartedDeserializing/FinishedDeserializing to ExternalASTSource. These are preparation for the next commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109856 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Make macro weirdness in chained PCH work. This required changing the way ↵Sebastian Redl
PCHReader and PCHWriter are initialized to correctly pick up all initializer. On the upside, this means that there is far less repetition in the dependent PCH now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109823 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Change the name to something less terrible; suggestion by Doug. No ↵Argyrios Kyrtzidis
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109797 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Implement PCH support for offsetof(base-specifier).Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109785 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Merge PCHWriterDecl.cpp's isRequiredDecl and ↵Argyrios Kyrtzidis
CodeGenModule::MayDeferGeneration into a new function, DeclIsRequiredFunctionOrFileScopedVar. This is essentially a CodeGen predicate that is also needed by the PCH mechanism to determine whether a decl needs to be deserialized during PCH loading for codegen purposes. Since this logic is shared by CodeGen and the PCH mechanism, move it to the ASTContext, thus CodeGenModule's GetLinkageForFunction/GetLinkageForVariable and the GVALinkage enum is moved out of CodeGen. This fixes current (and avoids future) codegen-from-PCH bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109784 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Store latest redeclaration for each redeclarable template declarationPeter Collingbourne
This patch adds a Latest field to RedeclarableTemplateDecl's CommonBase class which is used to store the latest redeclaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109755 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Refactor redeclarable template declarationsPeter Collingbourne
This patch refactors much of the common code in ClassTemplateDecl and FunctionTemplateDecl into a common base class RedeclarableTemplateDecl together with support functions in a template class RedeclarableTemplate. The patch also includes similar refactoring for these classes' PCH reader and writer implementations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109754 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-28Turn off precompiled preamble support for C++Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109680 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-28Support extended vector types in chained PCH.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109675 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Record macros in dependent PCHs. Also add various info tables to dependent ↵Sebastian Redl
PCHs; tests for this to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109554 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Revert r109546, it broke linux build.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109550 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Merge PCHWriterDecl.cpp's isRequiredDecl and ↵Argyrios Kyrtzidis
CodeGenModule::MayDeferGeneration into a new function, DeclIsRequiredFunctionOrFileScopedVar. This function is part of the public CodeGen interface since it's essentially a CodeGen predicate that is also needed by the PCH mechanism to determine whether a decl needs to be deserialized during PCH loading for codegen purposes. This fixes current (and avoids future) codegen-from-PCH bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109546 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Update the list of lexical decls in the TU for chained PCHs. This makes ↵Sebastian Redl
-ast-print show the decls from the dependent PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109524 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Fix use-after-free with precompiled preamblesDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109505 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Always deserialize from PCH file scoped variables with non trivial ↵Argyrios Kyrtzidis
constructor/destructor. Fixes http://llvm.org/PR7692 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109501 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27PTH generation: Don't save the leading '#' token in a null directive. This ↵Ted Kremenek
unbreaks using PTH with Boost (<rdar://problem/8227989>). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109484 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Implement -fno-validate-pch at the -cc1 level, which suppresses mostDouglas Gregor
of the usual consistency checks used to determine when a precompiled header is incompatible with the translation unit it's being loaded into. Enable this option when loading a precompiled preamble, because the preamble loader will be performing all of this checking itself. Enable the preamble-based test now that it's working. This option is also useful for debugging Clang's PCH (<rdar://problem/7532213>). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109475 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27- Fix recording of offsets of types in dependent PCHs.Sebastian Redl
- Stop reading in (and thus deserializing) every declaration in the TU when creating a dependent PCH. - Switch the storage of a decl context's lexical declarations to a blob containing the IDs instead of a record. This is the only sane way of supporting update records later on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109474 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Introduce basic support for loading a precompiled preamble whileDouglas Gregor
reparsing an ASTUnit. When saving a preamble, create a buffer larger than the actual file we're working with but fill everything from the end of the preamble to the end of the file with spaces (so the lexer will quickly skip them). When we load the file, create a buffer of the same size, filling it with the file and then spaces. Then, instruct the lexer to start lexing after the preamble, therefore continuing the parse from the spot where the preamble left off. It's now possible to perform a simple preamble build + parse (+ reparse) with ASTUnit. However, one has to disable a bunch of checking in the PCH reader to do so. That part isn't committed; it will likely be handled with some other kind of flag (e.g., -fno-validate-pch). As part of this, fix some issues with null termination of the memory buffers created for the preamble; we were trying to explicitly NULL-terminate them, even though they were also getting implicitly NULL terminated, leading to excess warnings about NULL characters in source files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109445 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26It's not necessary to call flush() on a raw_ostream immediately priorDan Gohman
to deleting it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109441 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Add source location information to C++ base specifiers.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Eliminate the "minimal" and printing parser actions, which only everDouglas Gregor
worked for C anyway. Also kills the -cc1 options -parse-noop and -parse-print-callbacks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109392 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-25Make ASTContext always use the BumpPtrAllocator.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-25Remove emacs file mode marker on file with .cpp extension.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109366 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-24Add header searching for llvm-gcc trunk on Gentoo AMD64. Patch by Mark Wood!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109357 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-24Put a newline at the end of the padded buffers used for theDouglas Gregor
precompiled preamble. This will suppress the -pedantic "no newline at end of file" warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109301 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-24Once we've built (or reused) a precompiled preamble, create theDouglas Gregor
appropriately-padded main file buffer (that has spaces in the extra "reserved" space) and thread that buffer through to the parsing function. This still does nothing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109299 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23Once we've built a precompiled preamble, keep track of the details ofDouglas Gregor
that preamble (the preamble text, preamble file, reserved main file size). Check these details when we try to rebuild the precompiled preamble, and when nothing has changed, re-use the precompiled preamble. This code is still very much a WIP, and can't even properly be tested because we have no way to use the precompiled preamble yet. "Trust me" git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109294 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23Make declarations in the dependent PCH visible, for C at least.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109292 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23PCH read/write for selector reference pool.Fariborz Jahanian
Finishes off radar 6507158. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109256 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23Fix build on Ubuntu 10.04.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109208 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23Basic plumbing for generating a precompiled preamble for anDouglas Gregor
ASTUnit/CXTranslationUnit. We can't actually use this preamble yet, however. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109202 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Thread bitstream cursors all the way through the AST reading stuff. This ↵Sebastian Redl
way, reading a trivial 2-element chained file actually works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109191 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22atch for implementation of objective-c's -WselectorFariborz Jahanian
warning flag in clang. Little more to do for a PCH issue. Radar 6507158. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109129 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Read/write C++0x static_assert for PCH.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109123 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Allow loading declcontext information from any file in the chain. Properly ↵Sebastian Redl
write source locations to dependent files. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Read/write FriendTemplateDecl for PCH.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Support C++ try/catch statements for PCH.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Allow loading macros from any file in the chain. WIPSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109048 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Promote some macro-related stuff to per-file data. Fix a cache-inefficient ↵Sebastian Redl
nested loop by inverting the nesting. Store the size of each file in the chain; will need this later for statement offsets. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109030 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Allow loading identifiers from any file in the chain. WIPSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108974 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Apparently not every system thinks that references in pairs are as cool as I ↵Sebastian Redl
think. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108959 91177308-0d34-0410-b5e6-96231b3b80d8
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