element" structures.

llvm-svn: 71266

 - This turns out to be a no-op now that most of the handling for
   everything else is in place.

llvm-svn: 71261

 - This eliminates 5/1000 failures on return-types-32, on the current
   ABITest config.

llvm-svn: 71250

of the underlying _N builtin, not the the type of the pointee of the
actual type.  This ensures that atomics involving pointers end up
using the correct integer type when they are resolved, avoiding
aborts in codegen.

llvm-svn: 71218

semantic rules that gcc and icc use.  This implements the variadic
and concrete versions as builtins and has sema do the 
disambiguation.  There are probably a bunch of details to finish up
but this seems like a large monotonic step forward :)

llvm-svn: 71212

llvm-svn: 71194

 - This is a WIP...

 - This adds -march= handling to the driver, and fixes the defaulting
   of -mcpu on Darwin (which was using the wrong test).

Instead of handling -m{sse, ...} in the driver, pass them to clang-cc as
 -target-feature [+-]name

In clang-cc, communicate with the (clang) target to discover the legal
features of a target, and the features which are enabled based on
-mcpu. This is currently hardcoded just enough to not be a feature
regression, we need to get this information from the backend's
TableGen information somehow.

This is used to construct the full list of features which are being
used, which is in turn used to initialize the predefines.

llvm-svn: 71061

to go back and clean up existing uses of the bitcasted function.  This
is not just an optimization: it is required for correctness to get
always inline functions to work, see testcases in function-attributes.c.

llvm-svn: 70971

llvm-svn: 70825

llvm-svn: 70794

llvm-svn: 70786

this fixes http://llvm.org/bugs/show_bug.cgi?id=3373#c20

llvm-svn: 70685

from the asm string, but reject references to the smaller one.

llvm-svn: 70679

the input.  This is part of PR3373.

llvm-svn: 70677

llvm-svn: 70676

like bitfields.  incidentally llvm-gcc crashes on this sort of thing also. :)

llvm-svn: 70675

llvm-svn: 70672

llvm-svn: 70571

llvm-svn: 70543

Radar 6838889

llvm-svn: 70525

llvm-svn: 70523

constant initializers.

llvm-svn: 70483

have support for __divti3 and friends.

llvm-svn: 70480

compatible with VC++ and GCC.  The codegen/mangling angle hasn't
been fully ironed out yet.  Note that we accept int128_t even in
32-bit mode, unlike gcc.

llvm-svn: 70464

mode and in the presence of __gnu_inline__ attributes. This should fix
both PR3989 and PR4069.

As part of this, we now keep track of all of the attributes attached
to each declaration even after we've performed declaration
merging. This fixes PR3264.

llvm-svn: 70292

scheme to be more useful.

The new scheme introduces a set of categories that should be more 
readable, and also reflects what we want to consider as an extension 
more accurately.  Specifically, it makes the "what is a keyword" 
determination accurately reflect whether the keyword is a GNU or 
Microsoft extension.

I also introduced separate flags for keyword aliases; this is useful 
because the classification of the aliases is mostly unrelated to the 
classification of the original keyword.

This patch treats anything that's in the implementation 
namespace (prefixed with "__", or "_X" where "X" is any upper-case 
letter) as a keyword without marking it as an extension.  This is 
consistent with the standards in that an implementation is allowed to define 
arbitrary extensions in the implementation namespace without violating 
the standard. This gets rid of all the nasty "extension used" warnings 
for stuff like __attribute__ in -pedantic mode.  We still warn for 
extensions outside of the the implementation namespace, like typeof.
If someone wants to implement -Wextensions or something like that, we 
could add additional information to the keyword table.

This also removes processing for the unused "Boolean" language option; 
such an extension isn't supported on any other C implementation, so I 
don't see any point to adding it.

The changes to test/CodeGen/inline.c are required because previously, we 
weren't actually disabling the "inline" keyword in -std=c89 mode.

I'll remove Boolean and NoExtensions from LangOptions in a follow-up 
commit.

llvm-svn: 70281

member.

Also, spell bitfield more consistently as bit-field.

llvm-svn: 70220

When calling the cleanup function specified by __attribute__((cleanup)), make sure to bitcast the argument so it has the same type as the first argument of the cleanup function. Fixes <rdar://problem/6827047>.

llvm-svn: 70098

llvm-svn: 70067

multiple declarations of the function. Should fix PR3989 and
<rdar://problem/6818429>.

llvm-svn: 69905

Handle corner case where clang-cc is invoked directly to compile preprocessed source file without -main-file-name. In this case, CDDebugInfo is not able identify correct main source file becase SM.isFromMainFile() returns true for locations from header files as well as locations from main source file.
This patch takes conservative approach by not emitting more then one compile unit with isMain bit set.

llvm-svn: 69902

extern.  Previously we would warn about it and ignore the attribute.
This is incorrect, it should be handled as a c89 "extern inline" 
function.  Many thanks to Matthieu Castet for pointing this out and
beating me over the head until I got it.

PR3988: extern inline function are not externally visible
llvm-svn: 69756

llvm-svn: 69747

but crashed codegen.  Fix this to report the name of the llvm function.
This fixes rdar://6808051

llvm-svn: 69658

PR4023

llvm-svn: 69618

llvm-svn: 69617

subsequently crashed).

llvm-svn: 69567

Adapted from patch by Tim Northover.

llvm-svn: 69566

llvm-svn: 69553

llvm-svn: 69545