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2010-11-29Merge System into Support.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120297 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Fix 2 problems with Chris Lattner's FileManager redesign on Windows.Francois Pichet
- FileEntry::operator= is needed on Win32. - There was an error in the S_ISDIR() macro. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120079 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23The final result of all this refactoring: instead of doing stat immediatelyChris Lattner
followed by an open for every source file we open, probe the file system with 'open' and then do an fstat when it succeeds. open+fstat is faster than stat+open because the kernel only has to perform the string->inode mapping once. Presumably it gets faster the deeper in your filesystem a lookup happens. For -Eonly on cocoa.h, this reduces system time from 0.042s to 0.039s on my machine, a 7.7% speedup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120066 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23if we succeed in opening a directory but expected a file, ensure we don'tChris Lattner
leak a filedescriptor if a client ever starts returning one. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120062 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23hopefully resolve the windows buildbot issue (retch)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120061 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23change the 'is directory' indicator to be a null-or-notChris Lattner
pointer that is passed down through the APIs, and make FileSystemStatCache::get be the one that filters out directory lookups that hit files. This also paves the way to have stat queries be able to return opened files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120060 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23pull "is directory" handling into FileManager::getStatValueChris Lattner
which simplifies clients and is important for future directions. Add a FD member to FileEntry which isn't used but will be shortly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120056 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23tidy up code, add a comment about dir caching.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120048 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23replicate a terrible hack to fix a build error on VC++Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23simplify the cache miss handling code, eliminating CacheMissing.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120038 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23factor the "cache miss" handling code out of FM into a static Chris Lattner
method in FileSystemStatCache. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120037 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23r120013 dropped passing in the precomputed file size to Chris Lattner
MemoryBuffer::getFile, causing us to pick up a fstat for every file. Restore the optimization. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120032 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23PCH files only cache successful stats. Remove the code that reads/writes Chris Lattner
the result code of the stat to/from the PCH file since it is always 0. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23rework the stat cache, pulling it out of FileManager.h intoChris Lattner
its own header and giving it some more structure. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120030 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23tidy up. Split FileManager::getBufferForFile intoChris Lattner
two copies, since they are fundamentally different operations and the StringRef one should go away (it shouldn't be part of FileManager at least). Remove some dead arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120013 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23reduce indentation and use early outs, to make it easier to readChris Lattner
this code. no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120011 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23now the FileManager has a FileSystemOpts ivar, stop threadingChris Lattner
FileSystemOpts through a ton of apis, simplifying a lot of code. This also fixes a latent bug in ASTUnit where it would invoke methods on FileManager without creating one in some code paths in cindextext. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23give FileManager a 'FileSystemOptions' ivar, which will be usedChris Lattner
to simplify a bunch of code in it. It should ultimately get inlined into FileManager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120007 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Partially revert Doug's PCH validation patch (r98585).Chris Lattner
This patch completely defeated the "passing in a prestat'd size to MemoryBuffer" optimization, leading to an extra fstat call for every buffer opened, in order to find out if the datestamp and size of the file on disk matches what is in the stat cache. I fully admit that I don't completely understand what is going on here: why punish code when a stat cache isn't in use? what is the point of a stat cache if you have to turn around and stat stuff to validate it? To resolve both these issues, just drop the modtime check and check the file size, which is the important thing anyway. This should also resolve PR6812, because presumably windows is stable when it comes to file sizes. If the modtime is actually important, we should get it and keep it on the first stat. This eliminates 833 fstat syscalls when processing Cocoa.h, speeding up system time on -Eonly Cocoa.h from 0.041 to 0.038s. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120001 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23stringref'ize APIChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119997 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23avoid creating sys::Path instances when -fworking-directory isn't being used.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-21Filename.rfind("/\\") won't give us the position of the last directory ↵Benjamin Kramer
seperator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119939 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-21change the various getFile routines to use StringRef as their implementation ↵Chris Lattner
form. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119934 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-19Initialize StoredDiagnostic's members in order.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119808 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-19Extend the libclang diagnostic API to provide information about theDouglas Gregor
option name, category ID, and category name corresponding to a diagnostic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119802 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Update CMake build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119741 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Since multiple diagnostics can share one diagnostic client, have the client ↵Argyrios Kyrtzidis
keeping track of the total number of warnings/errors reported. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119731 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Refactoring of Diagnostic class.Argyrios Kyrtzidis
-Move the stuff of Diagnostic related to creating/querying diagnostic IDs into a new DiagnosticIDs class. -DiagnosticIDs can be shared among multiple Diagnostics for multiple translation units. -The rest of the state in Diagnostic object is considered related and tied to one translation unit. -Have Diagnostic point to the SourceManager that is related with. Diagnostic can now accept just a SourceLocation instead of a FullSourceLoc. -Reflect the changes to various interfaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119730 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Fix a typo in the UTF-8 BOM (PR8645). Use a StringSwitch while at it.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119698 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-12Make sure to always check the result ofDouglas Gregor
SourceManager::getPresumedLoc(), so that we don't try to make use of an invalid presumed location. Doing so can cause crashes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09Add support for soft/hard float options to the Sparc targetBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118514 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09Include System/DataTypes.h in Diagnostic.h to get intptr_t.Rafael Espindola
Set Haiku's UserLabelPrefix to "". Patch by Paul Davey. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118510 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-03Implement -working-directory.Argyrios Kyrtzidis
When -working-directory is passed in command line, file paths are resolved relative to the specified directory. This helps both when using libclang (where we can't require the user to actually change the working directory) and to help reproduce test cases when the reproduction work comes along. --FileSystemOptions is introduced which controls how file system operations are performed (currently it just contains the working directory value if set). --FileSystemOptions are passed around to various interfaces that perform file operations. --Opening & reading the content of files should be done only through FileManager. This is useful in general since file operations will be abstracted in the future for the reproduction mechanism. FileSystemOptions is independent of FileManager so that we can have multiple translation units sharing the same FileManager but with different FileSystemOptions. Addresses rdar://8583824. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-03When setting a tied check if it's already tied. If it's tied to another ↵Anders Carlsson
constraint it's invalid. Fixes PR3905. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-03A number in an input constraint can't point to a read-write ('+') ↵Anders Carlsson
constraint. Fixes PR3904. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-02Teach SourceManager::getPresumedLoc() how to fail gracefully if ↵Douglas Gregor
getLineNumber/getColumnNumber fail git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117990 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30Rename alignof -> alignOf to avoid irritating C++'0x compilers,Chris Lattner
PR8423 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117775 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Handle Type.h a better way.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117743 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Generate bitcasts going in and out of MMX parametersDale Johannesen
in asm's. PR 8501, 8602988. I don't like including Type.h where it is; the idea was to get references to X86_MMXTy out of the common code. Maybe there's a better way? git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117736 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Ahem. Add rest of D and Q registers to ARM inline asm handling.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117517 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Add D and Q register names to ARM inline asm handling.Dale Johannesen
No aliasing is needed, these work as given in the BE. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117508 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-26getOrCreateContentCache never returns null, so overrideFileContentsDan Gohman
doesn't need its return value. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117393 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-23Update remaining attribute macros to new style.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117204 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Change handling of inline asm 'p' constraint to match llvm-gcc.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Don't try to guess svn version when current path is a symlink.Oscar Fuentes
See PR 8473. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117110 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21Revert r117005, WIN32 is not predefined after all.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117026 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21MSVC defines WIN32 as a predefined macro.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117005 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21Targets: Fix MinGW and VisualStudio predefined macros.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117003 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21Reorganize predefined macros for all Windows targets.Michael J. Spencer
This adds an option to set the _MSC_VER macro without recompiling. This is very useful when testing compatibility with the Windows SDK and c++stdlib headers. -fmsc-version=<version> (defaults to VS2003 (1300)) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21Fix Whitespace.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116990 91177308-0d34-0410-b5e6-96231b3b80d8
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