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2011-12-10Add a sanity check in SourceManager::getColumnNumber, make sureArgyrios Kyrtzidis
we don't try to access beyond the buffer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146305 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-09Separate the serialization library's diagnostics from the frontend'sChandler Carruth
diagnostics. Conflating them was highly confusing and makes it harder to establish a firm layering separation between these two libraries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146207 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08Misc Minix-specific changes to clang:Eli Friedman
. move compiler-rt to a separate directory so the -L argument only includes compiler-rt (thanks joerg) . build all clang subdirs . switches the Minix platform to ELF . normalizes toolchain invocation Patch by Ben Gras. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146206 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08Tweak the syntax of umbrella headers, so that "umbrella" is treated asDouglas Gregor
a modifier for a header declarartion, e.g., umbrella header "headername" Collapse the umbrella-handling code in the parser into the header-handling code, so we don't duplicate the header-search logic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146159 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08Within the module representation, generalize the notion of an umbrellaDouglas Gregor
header to also support umbrella directories. The umbrella directory for an umbrella header is the directory in which the umbrella header resides. No functionality change yet, but it's coming. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146158 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05Parse inferred submodules in module maps, track their contents inDouglas Gregor
Module, and (de-)serialize this information. Semantics of inferred submodules to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145864 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05Fix printing of wildcard exports.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05Implement support for wildcard exports in modules, allowing a moduleDouglas Gregor
to re-export anything that it imports. This opt-in feature makes a module behave more like a header, because it can be used to re-export the transitive closure of a (sub)module's dependencies. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145811 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02Implement (de-)serialization of the set of exported modules in aDouglas Gregor
module map. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145695 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02Add support for AVX registers to clang inline asm. Add a small testcaseEric Christopher
and update the Sema testcase with a register that we won't hit for a while I hope. Fixes rdar://10510405 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145671 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02When we're passing a vector with an illegal type through memory on x86-64, ↵Eli Friedman
use byval so we're sure the backend does the right thing. Fixes va_arg with illegal vectors and an obscure ABI mismatch with __m64 vectors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145652 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-01Add support for AMD's bulldozer.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145606 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Promote ModuleMap::Module to a namespace-scope class in the BasicDouglas Gregor
library, since modules cut across all of the libraries. Rename serialization::Module to serialization::ModuleFile to side-step the annoying naming conflict. Prune a bunch of ModuleMap.h includes that are no longer needed (most files only needed the Module type). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145538 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28Fix some possible gcc-4.2 may be used uninitialized warnings.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145293 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27Make our handling of MMX x SSE closer to what gcc does:Rafael Espindola
* Enabling sse enables mmx. * Disabling (-mno-mmx) mmx, doesn't disable sse (we got this right already). * The order in not important. -msse -mno-mmx is the same as -mno-mmx -msse. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145194 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23AAPCS compliance - 32-bit wchar_t should be unsigned for both aapcs and ↵James Molloy
aapcs-linux. Original behaviour of defining wchar_t as signed int has been kept for apcs-gnu as I don't have any spec for this to validate against. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145102 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17Revert r132539 for now, "My testing shows that function stat has no problem ↵NAKAMURA Takumi
with trailing separators. (tested on Windows and Darwin)." It caused PR10331. MSVCRT stat() cannot strip trailing '/'. (can '\') git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144884 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Implement (de-)serialization of the buffer contents for an overriddenDouglas Gregor
file in the source manager. This allows us to properly create and use modules described by module map files without umbrella headers (or with incompletely umbrella headers). More generally, we can actually build a PCH file that makes use of file -> buffer remappings, which could be useful in libclang in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Add a -cc1-level option -fmodule-name=<name>, which will be used whenDouglas Gregor
building modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144680 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Warning option typo correction: When two options have the same edit_distance ↵Benjamin Kramer
don't display either. Also add a maximum edit distance threshold, so we don't correct "-Wx" to "-W#pragma-messages". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14Print a typo correction hint for unknown warning flags.Benjamin Kramer
$ clang -Wololo t.c warning: unknown warning option '-Wololo'; did you mean '-Wall'? [-Wunknown-warning-option] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144591 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Define some built-ins macros on mips32 platform, from Simon Atanasyan!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144189 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09[PCH] Fix reading from PCH of diagnostic pragmas.Argyrios Kyrtzidis
In certain cases ASTReader would call the normal DiagnosticsEngine API to initialize the state of diagnostic pragmas but DiagnosticsEngine would try to compare source locations leading to crash because the main FileID was not yet initialized. Yet another case of the ASTReader trying to use the normal APIs and inadvertently breaking invariants. Fix this by having the ASTReader set up the internal state directly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144153 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06Use StringRef's case transformation methods.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143889 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Move definitions of SizeType and PtrDiffType to Mips32TargetInfoBase.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143775 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Fix various minor issues find via unreachable code warnings, fromDouglas Gregor
Ahmed Charles! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143569 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Move ConvertUTF8toUTF32 out of #if 0, in preparation for a patch which needs it.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143415 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31In x86_64, when calling an Objective-C method that returns a _Complex long ↵Anders Carlsson
double, make sure to use the objc_msgSend_fp2ret function which ensures that the return value will be {0, 0} if the receiver is nil. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143350 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-30Add support for sse4a and enable it for amdfam10 cpu.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143312 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-30Add support for amdfam10 cpu.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143305 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27Make the loading of information attached to an IdentifierInfo from anDouglas Gregor
AST file more lazy, so that we don't eagerly load that information for all known identifiers each time a new AST file is loaded. The eager reloading made some sense in the context of precompiled headers, since very few identifiers were defined before PCH load time. With modules, however, a huge amount of code can get parsed before we see an @import, so laziness becomes important here. The approach taken to make this information lazy is fairly simple: when we load a new AST file, we mark all of the existing identifiers as being out-of-date. Whenever we want to access information that may come from an AST (e.g., whether the identifier has a macro definition, or what top-level declarations have that name), we check the out-of-date bit and, if it's set, ask the AST reader to update the IdentifierInfo from the AST files. The update is a merge, and we now take care to merge declarations before/after imports with declarations from multiple imports. The results of this optimization are fairly dramatic. On a small application that brings in 14 non-trivial modules, this takes modules from being > 3x slower than a "perfect" PCH file down to 30% slower for a full rebuild. A partial rebuild (where the PCH file or modules can be re-used) is down to 7% slower. Making the PCH file just a little imperfect (e.g., adding two smallish modules used by a bunch of .m files that aren't in the PCH file) tips the scales in favor of the modules approach, with 24% faster partial rebuilds. This is just a first step; the lazy scheme could possibly be improved by adding versioning, so we don't search into modules we already searched. Moreover, we'll need similar lazy schemes for all of the other lookup data structures, such as DeclContexts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Use assert(0) instead of duplicating the check, suggestion by Anna.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Remove the Blackfin backend.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142881 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Remove the SystemZ backend.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142879 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-22Make changes necessary for N32/64 ABI conformance.Akira Hatanaka
- Size of long double is 16 bytes for both N32 and N64. - Size of pointers and long is 8 bytes for N64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142705 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20Further refine the diagnostic categories for ARC diagnostics. Addresses ↵Ted Kremenek
<rdar://problem/10245086>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142571 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18Use llvm::Triple's methods to parse FreeBSD version numbers.Benjamin Kramer
Who could've thought that FreeBSD would ever reach version 10! Patch from Dimitry Andric. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142349 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17For modules, all macros that aren't include guards are implicitlyDouglas Gregor
public. Add a __private_macro__ directive to hide a macro, similar to the __module_private__ declaration specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142188 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Place static initializers on linux into the ".text.startup" section, so the ↵Benjamin Kramer
linker can group them together for performance. This only has an effect with fairly new binutils (2.21.51 or later). Other ELF targets probably want this as well, but on BSDs binutils is usually old so it doesn't matter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142076 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Provide half floating point support as a storage only type.Anton Korobeynikov
Lack of half FP was a regression compared to llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142016 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Misc fixes for atomics. Biggest fix is doing alignment correctly for ↵Eli Friedman
_Atomic types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142002 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Change __extension__ to disable only diagnostics controlled by -pedantic.Bob Wilson
This changes clang to match GCC's behavior for __extension__, which temporarily disables the -pedantic flag. Warnings that are enabled without -pedantic are not affected. Besides the general goodness of matching GCC's precedent, my motivation for this is that macros in the arm_neon.h header need to use __extension__ to avoid pedantic complaints about their use of statement expressions, yet we still want to warn about incompatible pointer arguments for those macros. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141804 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Add target info for Linux on PPC & Sparc.Anton Korobeynikov
Patch by Hal Finkel! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141772 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Introduce SourceManager::getFileLoc which returns a file locationArgyrios Kyrtzidis
taking into account macro arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141771 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Add a -Wc++0x-compat warning for C++11 keywords used as identifiers when inRichard Smith
C++98 mode. Only the first occurrence of each keyword will produce a warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141700 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Allow regparm attribute for PNaCl targetDavid Meyer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141638 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Fixed natural stack alignment for Linux x86-32. Thanks Eli.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141617 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10Update target data strings for ARM and X86 to include the natural stackLang Hames
alignment parameter "S<size>" that was introduced in r141599. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141601 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Add address spaces for TCE target. Patch by Pekka Jääskeläinen.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141390 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04Basic/Diagnostics: Apparently, #pragma ... diagnostic is intended to overrideDaniel Dunbar
the command line options (at least according to GCC's documentation). GCC 4.2 didn't appear to actually do this, but it seems like that has been fixed in later release, so we will follow the docs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141119 91177308-0d34-0410-b5e6-96231b3b80d8
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