invocations on Linux.

llvm-svn: 140909

llvm-svn: 140889

strings.
rdar://9696709

llvm-svn: 140732

llvm-svn: 140410

llvm-svn: 140365

llvm-svn: 140343

llvm-svn: 140342

This moves the existing code for CPATH into the driver and adds the environment lookup and path splitting there.
The paths are then passed down to cc1 with -I options (CPATH), added after the normal user-specified include dirs.
Language specific paths are passed via -LANG-isystem and the actual filtering is performed in the frontend.

I tried to match GCC's behavior as close as possible

Fixes PR8971.

llvm-svn: 140341

filtered.  This happenis when -save-temps is specified. 
<rdar://problem/10088387>

llvm-svn: 139269

llvm-svn: 139114

to this test, and doesn't always start with 'clang' when fully resolved
on some build systems.

llvm-svn: 138878

- wrong alignment for double (it was 4, but 8 is desired),
- added checks for _REENTRANT define,
- fixed the issue that defines were not tested (because the check for inside #ifdef).

llvm-svn: 138775

<rdar://problem/10027287>

llvm-svn: 138637

globals during codegen.
Fixes <rdar://problem/10017909>.

llvm-svn: 138612

llvm-svn: 138607

-fapple-kext.
Fixes <rdar://problem/10013310>. Reverts <rdar://problem/7809940>.

llvm-svn: 138564

llvm-svn: 138489

llvm-svn: 138470

llvm-svn: 138389

output on darwin so is hard coded there.

As a note this will need a little bit of refactoring in the class
hierarchy to separate it out for different verifiers based on input type.

Fixes rdar://8256258.

llvm-svn: 138343

that aren't handled by llvm-gcc on fallback.
Enhancement to rdar://9964354

llvm-svn: 137912

automatically invoking llvm-gcc's cc1plus, which doesn't support all options
supported by Clang.  Therefore, filter out unsupported options.
rdar://9964354

llvm-svn: 137842

Since -mkernel implies -fapple-kext, this just extends the current behavior
for -fapple-kext to apply for -mkernel as well.  Radar 9933387.

llvm-svn: 137566

Matches gcc, and is also required for using ccache with clang.

llvm-svn: 137563

for quoted header lookup when dealing with not-yet-installed
frameworks. Fixes <rdar://problem/9824020>.

llvm-svn: 136331

llvm-svn: 136296

llvm-svn: 135605

x86_64-pc-win32-macho is used in conjunction with -no-integrated-as go ahead and
use the Darwin system assembler.
rdar://9785470

llvm-svn: 135604

llvm-svn: 134996

llvm-svn: 134899

Restore it.

llvm-svn: 134459

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.

llvm-svn: 134453

Make clang behave in a gcc-compatible way in the presence of multiple flags for the same x86 target feature (e.g. -mno-sse -msse).  gcc uses a somewhat unintuitive algorithm here in that the enabled SSE instructions is based on the order of the *last* flag for *each* feature-level, so that "-mno-sse -msse2" only enables SSE2, but "-mno-sse -msse2 -msse" enables all SSE levels.

Issue reported on cfe-dev.

llvm-svn: 134296

llvm-svn: 134025

llvm-svn: 134006

llvm-svn: 133688

respect that when deciding whether -objc-exceptions implies the
-fexceptions -cc1 option.

llvm-svn: 133590

llvm-svn: 133548

that the linker has a place to put the temporary object file and can leave it
around (for the driver to clean up). This is important so that the object file
references in the debug info are preserved for possible use by dsymutil.
 - <rdar://problem/8294279> executable has no debug symbols when compiled with LTO

llvm-svn: 133543

llvm-svn: 133492