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2011-08-25Remove the Chaining argument from the PCH/module generator. It's no longer usedDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Introduce a -cc1 option "-emit-module", that creates a binary moduleDouglas Gregor
from the given source. -emit-module behaves similarly to -emit-pch, except that Sema is somewhat more strict about the contents of -emit-module. In the future, there are likely to be more interesting differences. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138595 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17In the AST file format, eliminate the CHAINED_METADATA record. Instead,Douglas Gregor
all AST files have a normal METADATA record that has the same form regardless of whether we refer to a chained PCH or any other kind of AST file. Introduce the IMPORTS record, which describes all of the AST files that are imported by this AST file, and how (as a module, a PCH file, etc.). Currently, we emit at most one entry to this record, to support chained PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137869 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-05Wire up -import-module to run ReadAST for each module loaded.Jonathan D. Turner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136987 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04Add a new libclang API to return a CXCompletionString for an arbitraryDouglas Gregor
cursor, from Connor Wakamo! Addresses <rdar://problem/9087798>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136911 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Really remove FlatStoreManager and BasicStoreManager, this time from the ↵Ted Kremenek
driver. Also remove associated tests. Sorry for the messy commits; this is the result of a botched Git merge. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136422 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Introduce the "-index-header-map" option, to give special semanticsDouglas Gregor
for quoted header lookup when dealing with not-yet-installed frameworks. Fixes <rdar://problem/9824020>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136331 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Cut down the number of open/close system calls for output files.Argyrios Kyrtzidis
For PCH files, have only one open/close for temporary + rename to be safe from race conditions. For all other output files open/close the output file directly. Depends on llvm r136310. rdar://9082880 & http://llvm.org/PR9374. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136315 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Pick up expected diagnostics not only in the main file but also in the file ↵Axel Naumann
where the first diagnostic occurred. Useful if the main file is not relevant (like with cling). By Vassil Vassilev. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135936 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Move ArrayRef to LLVM.h and eliminate now-redundant qualifiers, patch by Jon ↵Chris Lattner
Mulder! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135855 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20remove some now-redundant forward declarations.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135578 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20add raw_ostream and Twine to LLVM.h, eliminating a ton of llvm:: qualifications.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135577 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20now that we have a centralized place to do so, add some using declarations forChris Lattner
some common llvm types: stringref and smallvector. This cleans up the codebase quite a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135576 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19[arcmt] Add some additional driver flags to optionally emit or save the ↵Argyrios Kyrtzidis
pre-migration ARC errors. -arcmt-migrate-emit-errors : Emits the pre-migration ARC errors but it doesn't affect anything else -arcmt-migrate-report-output : Writes out the pre-migration ARC errors to the provided plist file rdar://9791454 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135491 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19Revamp the SourceManager to separate the representation of parsedDouglas Gregor
source locations from source locations loaded from an AST/PCH file. Previously, loading an AST/PCH file involved carefully pre-allocating space at the beginning of the source manager for the source locations and FileIDs that correspond to the prefix, and then appending the source locations/FileIDs used for parsing the remaining translation unit. This design forced us into loading PCH files early, as a prefix, whic has become a rather significant limitation. This patch splits the SourceManager space into two parts: for source location "addresses", the lower values (growing upward) are used to describe parsed code, while upper values (growing downward) are used for source locations loaded from AST/PCH files. Similarly, positive FileIDs are used to describe parsed code while negative FileIDs are used to file/macro locations loaded from AST/PCH files. As a result, we can load PCH/AST files even during parsing, making various improvemnts in the future possible, e.g., teaching #include <foo.h> to look for and load <foo.h.gch> if it happens to be already available. This patch was originally written by Sebastian Redl, then brought forward to the modern age by Jonathan Turner, and finally polished/finished by me to be committed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135484 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-14Update the remaining comments in Frontend to 'expansion'.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135150 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-14NestedMacroInstantiations -> NestedMacroExpansionsChandler Carruth
This is switches all the interfaces points (and most of the commenst / local variables I saw on my way through) regarding the NestedMacroInstantiations bit. The libclang enums corresponding to this state were renamed, but a legacy enum was added with the old name, and the same value to keep existing clients working. I've added a documentation blurb for it, but let me know if there is a canonical way to document legacy elemenst of the libclang interface. No functionality changed here, even in tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135141 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12Implement -MG. Fixes PR9613Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134996 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09[arcmt] Introduce new '-ccc-arcmt-migrate <path>' ARC migration driver option.Argyrios Kyrtzidis
This is a new mode of migration, where we avoid modifying the original files but we emit temporary files instead. <path> will be used to keep migration process metadata. Currently the temporary files that are produced are put in the system's temp directory but we can put them in the <path> if is necessary. Also introduce new ARC migration functions in libclang whose only purpose, currently, is to accept <path> and provide pairs of original file/transformed file to map from the originals to the files after transformations are applied. Finally introduce the c-arcmt-test utility that exercises the new libclang functions, update arcmt-test, and add tests for the whole process. rdar://9735086. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134844 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Remove BoostCon-specific code from Clang. FWIW, I'm a fan of things like ↵Jonathan D. Turner
this living in a separate branch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134649 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06libclang: Allow callers of clang_saveTranslationUnit() to distinguishDouglas Gregor
between different classes of errors. Addresses most of <rdar://problem/9660328>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134495 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Call objc_terminate() instead of abort() when a cleanup throws anJohn McCall
exception in Objective-C; in Objective-C++ we still use std::terminate(). This is only available in very recent runtimes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134456 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Change the driver's logic about Objective-C runtimes: abstract out aJohn McCall
structure to hold inferred information, then propagate each invididual bit down to -cc1. Separate the bits of "supports weak" and "has a native ARC runtime"; make the latter a CodeGenOption. The tool chain is still driving this decision, because it's the place that has the required deployment target information on Darwin, but at least it's better-factored now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-01When we create a precompiled preamble, don't copy theDouglas Gregor
CompilerInvocation on the stack, because other objects (e.g., the CompilerInstance) maintain an intrusive reference-counted pointer to the CompilerInvocation. This doesn't matter in the normal case, because we take back the CompilerInvocation. However, during crash recovery, this leads to us trying to free an object on the stack, and hilarity ensues. Fixes <rdar://problem/9652540>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134245 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-30Fix typoPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134167 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Fix PR9279 - Macro expansion stack trace seriously broken with ↵Chris Lattner
function-style macros, by not recursively printing notes for other 'instantiated from' notes. This is a one line fix here: + // Don't print recursive instantiation notes from an instantiation note. + Loc = SM.getSpellingLoc(Loc); While here, fix the testcase to be more precise (it got filecheck'ized brutally), and fix EmitCaretDiagnostic to be private and to not pass down the unused 'Level' argument. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133993 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21Fix a case that I missed in r133550.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133551 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21Make InitHeaderSearch::AddPath and HeaderSearchOptions::AddPath consistentBob Wilson
use an "IgnoreSysRoot" argument. HeaderSearchOptions had been using the opposite form with "IsSysRootRelative", which made for much confusion when looking at true/false values in calls in AddPath. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21Fix the default libc++ header search path to be sysrooted. Radar 9639692.Bob Wilson
The -cxx-isystem path is not prefixed with the sysroot directory, so it's not a good way for the driver to set the system default C++ search path. Instead, add -stdlib as a cc1 option and teach the frontend how to find the headers. The driver can then just pass -stdlib through to "cc1". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133547 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21IRgen: Add a -fuse-register-sized-bitfield-access option, for testing.Daniel Dunbar
- Changes bit-field access policy to try to use (aligned) register sized accesses. The idea here is that by using larger accesses we expose more coalescing potential to the backend when we have situations like adjacent bit-fields in the same structure (which is common), and that the backend should be smart enough to narrow the accesses down when no coalescing is done or when it is shown not to be profitable. -- $ clang -m32 -O3 -S -o - t.c _f0: ## @f0 pushl %ebp movl %esp, %ebp movl 8(%ebp), %eax movb (%eax), %cl andb $-128, %cl orb $1, %cl movb %cl, (%eax) movb 1(%eax), %cl andb $-128, %cl orb $1, %cl movb %cl, 1(%eax) movb 2(%eax), %cl andb $-128, %cl orb $1, %cl movb %cl, 2(%eax) movb 3(%eax), %cl andb $-128, %cl orb $1, %cl movb %cl, 3(%eax) popl %ebp ret $ clang -m32 -O3 -S -o - t.c -Xclang -fuse-register-sized-bitfield-access _f0: ## @f0 pushl %ebp movl %esp, %ebp movl 8(%ebp), %eax movl $-2139062144, %ecx ## imm = 0xFFFFFFFF80808080 andl (%eax), %ecx orl $16843009, %ecx ## imm = 0x1010101 movl %ecx, (%eax) popl %ebp ret -- git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133532 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21Add support for -Wa,--noexecstack when building from a non-assembly file. ForNick Lewycky
an assembly file it worked correctly, while for a .c file it would given an error about how --noexecstack is not a supported argument to -Wa. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133489 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18[arcmt] Fix the ARC migrator. -arcmt-modify requires running before the ↵Argyrios Kyrtzidis
initialization of SourceManager because it is going to modify the input file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17[arcmt] Remove '-arcmt-modify-in-memory', it turned out less useful than we ↵Argyrios Kyrtzidis
hoped it would be. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133315 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16comment improvements.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133213 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16code cleanups, no behavior change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133211 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Raise the ARCMT functionality in Clang into proper FrontendActions.Chandler Carruth
These are somewhat special in that they wrap any other FrontendAction, running various ARC transformations or checks prior to the standard action's run. To implement them easily, this extends FrontendAction to have a WrapperFrontendAction utility class which forwards all calls by default to an inner action setup at construction time. This is then subclassed to override the specific behavior needed by the different ARCMT tools. Finally, FrontendTool is taught how to create these wrapper actions from the existing flags and options structures. The result is that clangFrontend no longer depends on clangARCMigrate. This is very important, as clangARCMigrate *heavily* depends on clangFrontend. Fundamentally ARCMigrate is at the same layer as a library like Rewrite, sitting firmly on top of the Frontend, but tied together with the FrontendTool when building the clang binary itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133161 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Automatic Reference Counting.John McCall
Language-design credit goes to a lot of people, but I particularly want to single out Blaine Garst and Patrick Beard for their contributions. Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself, in no particular order. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-04Remove the old implementation of -verify, which has been dead code since r88750.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132651 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21Introduce the -fdiagnostics-format=xxx option to control how ClangDouglas Gregor
prints the file, line, and column of a diagnostic. We currently support Clang's normal format, MSVC, and Vi formats. Note that we no longer change the diagnostic format based on -fms-extensions. Patch by Andrew Fish! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06Introduce a new libclang parsing flag,Douglas Gregor
CXTranslationUnit_NestedMacroInstantiations, which indicates whether we want to see "nested" macro instantiations (e.g., those that occur inside other macro instantiations) within the detailed preprocessing record. Many clients (e.g., those that only care about visible tokens) don't care about this information, and in code that uses preprocessor metaprogramming, this information can have a very high cost. Addresses <rdar://problem/9389320>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130990 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Preserve the full name of the file, so that '-c -o foo.pic.o' producesNick Lewycky
foo.pic.gcno instead of foo.gcno. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130899 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-04Record where the GCOV data files should be placed.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130866 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-03Introduce ASTUnit::LoadFromCompilerInvocationAction that allows one to ↵Argyrios Kyrtzidis
create an ASTUnit from a CompilerInvocation along with an ASTFrontendAction to invoke, and without all the goo about the precompiled preamble. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130805 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02When using -std= flag added check to make sure language and standard are ↵Chad Rosier
compatable git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130710 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-30Implement -fno-dwarf2-cfi-asm.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130616 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-29Add -Oz option and use it to set the inline threshold to 25.Bob Wilson
Radar 9333566. Patch by Chad Rosier! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130554 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-24Give MultiplexConsumer.h a header guard.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-23Remove unused STL header includes.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Wire up the -ftest-coverage and -fprofile-arcs flags to .gcno file emission (atNick Lewycky
compile time) and .gcda emission (at runtime). --coverage enables both. This does not yet add the profile_rt library to the link step if -fprofile-arcs is enabled when linking. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129956 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Initial work to improve documentation for Clang's diagnostics, from Matthieu ↵Douglas Gregor
Monrocq git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129614 91177308-0d34-0410-b5e6-96231b3b80d8
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