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870 Commits

Author SHA1 Message Date
Benjamin Kramer
7d11382b8c Use the expanded form of S_ISREG. Hopefully this unbreaks the MSVC build. 
llvm-svn: 117779
 2010-10-30 08:28:42 +00:00
Dan Gohman
e89c04e518 Don't test isRegularFile before calling eraseFromDisk, since 
eraseFromDisk does the same check. This avoids a stat call
in the common case.

llvm-svn: 117744
 2010-10-29 23:26:14 +00:00
Rafael Espindola
acc8709850 Switch to using the integrated assembler by default on x86 and x86-64 ELF 
systems.

llvm-svn: 117697
 2010-10-29 20:14:02 +00:00
Daniel Dunbar
a78e589b08 Driver/IA: Ignore -L for now, which users shouldn't be using for semantic effect. 
llvm-svn: 117600
 2010-10-28 20:36:23 +00:00
Michael J. Spencer
4992ca4b17 Reorganize predefined macros for all Windows targets. 
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))

llvm-svn: 116999
 2010-10-21 05:21:48 +00:00
Michael J. Spencer
4c0ffa823f Fix Whitespace. 
llvm-svn: 116990
 2010-10-21 03:16:25 +00:00
Chandler Carruth
24e17e175d Add support for the '--sysroot' flag, and an accompanying test of its 
interactions with -isysroot and other driver commands.

llvm-svn: 116912
 2010-10-20 07:00:47 +00:00
Chandler Carruth
06067c556a Use CLANG_RESOURCE_DIR define if one is provided, otherwise use the default of 
'../lib/clang/<version>'. Actually use '..' rather than removing the trailing
component to correctly handle paths containing '.' or symlinks in the presence
of -no-canonical-prefixes, etc. This shouldn't change any existing behavior.

llvm-svn: 116803
 2010-10-19 08:47:51 +00:00
Daniel Dunbar
473f8a6f88 Driver: Reject -fasm-blocks except on X86 (where we just ignore it, since 
passing it is very prevalent in some circles).

llvm-svn: 116761
 2010-10-18 22:49:46 +00:00
Daniel Dunbar
2b4de14b1d Driver/IA: Accept and ignore -force_cpusubtype_ALL, as in 'clang -c 
-Wa,-force_cpusubtype_ALL t.c'.
 - Tweaks -Wa, and -Xassembler handling to only accept an explicit short list of
   arguments and give an obvious unsupported error on others.

llvm-svn: 116759
 2010-10-18 22:36:15 +00:00
Daniel Dunbar
767bbabb24 Driver/Darwin: Forward -ObjC when linking, which may be needed when using static 
libraries with Objective-C code.

llvm-svn: 116758
 2010-10-18 22:08:36 +00:00
Daniel Dunbar
6358d6866d Driver: Error on -fno-for-scope, which we have no intention of supporting. 
llvm-svn: 116627
 2010-10-15 22:30:42 +00:00
Argyrios Kyrtzidis
dfe47dba37 Revert r116605, a lot more were committed by mistake. 
llvm-svn: 116606
 2010-10-15 18:51:34 +00:00
Argyrios Kyrtzidis
ffbba26285 Add '-include-pch' option to the driver, so it can get passed to the cc1 driver. 
llvm-svn: 116605
 2010-10-15 18:49:01 +00:00
Dan Gohman
10169b94cf Wire up the -fstrict-aliasing and -fno-strict-aliasing options 
to CodeGenOption flags.

llvm-svn: 116530
 2010-10-14 22:36:56 +00:00
Daniel Dunbar
89329cb8f7 Driver/Darwin: Remove a useless warning about missing runtime libraries. These 
are almost never needed, so the warning isn't very useful.

llvm-svn: 116263
 2010-10-11 23:31:07 +00:00
Douglas Gregor
4e0f15a4a2 Eliminate -fdiagnostics-binary and all of the infrastructure for 
emitting diagnostics in a binary form to be consumed by libclang,
since libclang no longer does any of its work out-of-process, making
this code dead. Besides, this stuff never worked at 100% anyway.

llvm-svn: 116250
 2010-10-11 22:02:06 +00:00
Axel Naumann
b151c3c2d6 Declare argv parameters as const char* const* instead of to char** to clarify that they are not modified, and to allow for string literals as arguments. 
llvm-svn: 116200
 2010-10-11 09:18:43 +00:00
NAKAMURA Takumi
89acd1e7ef lib/Driver/Driver.cpp: Use the driver g++-4 for Cygwin-1.5. 
llvm-svn: 116183
 2010-10-11 02:28:42 +00:00
NAKAMURA Takumi
6bdc8a2d8a lib/Driver/Tools.cpp: Disable cxa_atexit by default also on Cygwin. 
llvm-svn: 116161
 2010-10-10 01:53:03 +00:00
Argyrios Kyrtzidis
74825bcfb9 Implement -fshort-enums (rdar://8490496). 
llvm-svn: 116020
 2010-10-08 00:25:19 +00:00
John McCall
2a981c2056 Teach the driver to pass -fexceptions in Objective-C inputs on ARM. 
I don't know when this stopped happening, but this seems to be the
right place to do it.

llvm-svn: 115730
 2010-10-06 01:40:51 +00:00
Devang Patel
91bbb5547d Introduce -flimit-debug-info. 
In this experimental mode try avoiding debug info emission for classes as much as possible. The goal is to reduce size of produced debuginfo without reducing quality of debug info in general. This is a work in progress.

llvm-svn: 115188
 2010-09-30 19:05:55 +00:00
Argyrios Kyrtzidis
2f23b414e9 Driver: Ignore the found PCH file if its '-include' is not the first one. 
llvm-svn: 115158
 2010-09-30 16:53:47 +00:00
Daniel Dunbar
f247675c55 Driver/Linux: Translate rewritten lib options back to standard -l form when 
using generic GCC tools.

llvm-svn: 114793
 2010-09-25 18:10:05 +00:00
Daniel Dunbar
4ed214a191 Driver: Add -fallow-unsupported which disables some of the eager error'ing we do 
to prevent users from trying unsupported stuff. Useful for testing.

llvm-svn: 114749
 2010-09-24 19:39:37 +00:00
Nick Lewycky
6e1ce29b01 Revert r114712 due to failure on darwin buildbot. 
llvm-svn: 114713
 2010-09-24 00:46:53 +00:00
Nick Lewycky
e351fed104 Make -M/-MM behave like in gcc; use -MF first then -o else use stdout. 
llvm-svn: 114712
 2010-09-23 23:49:25 +00:00
Nick Lewycky
e47c245b90 Fix header comment so we don't break emacs. 
llvm-svn: 114711
 2010-09-23 23:48:20 +00:00
Argyrios Kyrtzidis
4f92016ed3 If -fcolor-diagnostics is explicitly passed to the driver respect that even if the driver is of the opinion that 
stderr can't handle them. (see http://llvm.org/PR8150)
Patch by Frits van Bommel!

llvm-svn: 114638
 2010-09-23 12:56:06 +00:00
Daniel Dunbar
da4f6b5151 Driver/Darwin: Add a runtime library just for ___eprintf -- when targeting i386 
some projects still depend on ___eprintf being available.

llvm-svn: 114509
 2010-09-22 00:03:52 +00:00
Daniel Dunbar
c1dd0e97f3 Driver/Objective-C: Retool Objective-C ABI flags to be more usable, and actually 
document behavior. Will wonders never cease.

llvm-svn: 114334
 2010-09-20 18:19:55 +00:00
Shantonu Sen
afeb03b41d Driver: implement driver automagic support for -lcc_kext 
Rewrite linker arguments to use libclang_rt.cc_kext.a
instead of gcc-specific libcc_kext.a

Resolves Radar 7808495

llvm-svn: 114193
 2010-09-17 18:39:08 +00:00
David Chisnall
dd84ef1e62 Add a -ftrapv-handler= option which allows a handler to invoke instead of simply aborting when a signed operation overflows. This mirrors the (GCC-incompatible) behaviour from clang 1.0 and 1.1 when -ftrapv was specified, but allows the handler to be defined for each compilation unit. 
llvm-svn: 114192
 2010-09-17 18:29:54 +00:00
Daniel Dunbar
00aff04c8d Driver/DarwinClang: Add GCC libexec paths so we can find the cc1 binaries if we 
ever use fallback.
 - Not necessary for clang as a compiler, but useful for testing purposes.

llvm-svn: 114172
 2010-09-17 08:22:12 +00:00
Daniel Dunbar
14287de654 Reapply "Driver/Darwin: Time for another spin at switching to the DarwinClang", 
now that eprintf symbol issue is resolved.

llvm-svn: 114166
 2010-09-17 04:25:28 +00:00
Daniel Dunbar
e4f65f3885 Revert "Driver/Darwin: Time for another spin at switching to the DarwinClang 
toolchain.", while I investigate the totally non-surprising ensuing breakage.

llvm-svn: 114164
 2010-09-17 03:46:37 +00:00
Daniel Dunbar
1b09e04f9e Driver: Support -dumpmachine. 
llvm-svn: 114155
 2010-09-17 02:47:28 +00:00
Daniel Dunbar
a7afcf92d1 Driver/Darwin: Time for another spin at switching to the DarwinClang toolchain. 
llvm-svn: 114149
 2010-09-17 01:56:41 +00:00
Daniel Dunbar
3f7796fc22 Driver: Fix spelling of AddCXXStdlibLibArgs, which I copy-n-pasto'd. 
llvm-svn: 114147
 2010-09-17 01:20:05 +00:00
Daniel Dunbar
8fa86b1a44 Driver/DarwinClang: The new toolchain definition is going to drop the -L inside 
the GCC dir. Unfortunately, this breaks -lstdc++ on SnowLeopard, etc. because
the libstdc++ dylib was hiding there. Workaround this by providing the path to
the right -lstdc++.6 (the only version used in recent memory) if we can't see an
obvious -lstdc++, but can find = -lstdc++.6.

llvm-svn: 114146
 2010-09-17 01:16:06 +00:00
Daniel Dunbar
2cc3f17a26 Driver: Add magic handling for "reserved library names", starting with 
-lstdc++. This is the best gross solution for a gross problem.

This issue is that historically, GCC has add -L options to its internally
library directories. This has allowed users and platforms to end up depending on
the layout of GCC's internal library directories.

We want to correct this mistake by eliminating that -L, but this means that
existing libraries which are in the GCC lib dir won't be found. We are going to
handle this by treating those -l names as "reserved", and requiring toolchains
to know how to add the right full path to the reserved library.

The immediately side effect of this is that users trying to use -L to find their
own -lstdc++ will need to start using -nostdlib (which is a good idea
anyway). Another side effect is that -stdlib=libc++ -lstdc++ will now do the
"right" thing, for curious definitions of right.

llvm-svn: 114144
 2010-09-17 00:45:02 +00:00
Daniel Dunbar
54423b2a86 Driver: Factor out AddLinkerInputs() function. 
llvm-svn: 114138
 2010-09-17 00:24:54 +00:00
Daniel Dunbar
62123a12f1 Driver: Add a toolchain hook for whether the system has native LLVM support. 
llvm-svn: 114137
 2010-09-17 00:24:52 +00:00
Fariborz Jahanian
f51a38777b Make the new -fobjc-nonfragile-abi2 the default 
abi for clang's objective-c compilations.
(radar 8353555).

llvm-svn: 113974
 2010-09-15 16:00:51 +00:00
Daniel Dunbar
092b6fb187 Driver: Add a -stdlib= argument which can be used to select the C++ standard 
library to use.
 - This is currently useful for testing libc++; you can now use 'clang++
   -stdlib=libc++ t.cpp' to compile using it if installed.

 - In the future could also be used to select other standard library choices if
   alternatives become available (for example, to use an alternate C library).

llvm-svn: 113891
 2010-09-14 23:12:40 +00:00
Daniel Dunbar
bf11f79053 Driver: Factor out some code for handling the C++ standard library. 
llvm-svn: 113890
 2010-09-14 23:12:35 +00:00
Daniel Dunbar
30a12b8d88 Simplify. 
llvm-svn: 113889
 2010-09-14 23:12:31 +00:00
Michael J. Spencer
09476212de Revert "CMake: Update to use standard CMake dependency tracking facilities instead" 
This reverts commit r113631

Conflicts:

	CMakeLists.txt
	lib/CodeGen/CMakeLists.txt

llvm-svn: 113817
 2010-09-13 23:54:41 +00:00
Anton Korobeynikov
82b3333b72 Disable cxa_atexit by default on MingW. 
Patch by Dimitry Andric!

llvm-svn: 113683
 2010-09-11 11:17:06 +00:00