Add ObjC parser support for concatenated ObjC strings.  Note that
this is passed to sema and ignored there, so the second part of the
string will not make it into the AST.  Passing to Fariborz to finish
Sema + AST construction.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44898 91177308-0d34-0410-b5e6-96231b3b80d8

Implemented type checking for pointer of objects of protocol-qualified types.
Note that incompatible-protocol-qualified-types.m is currently failing. This is
unrelated to this patch and Steve is looking at the general problem of not reporting
incompitible pointer types in return stetement..

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44897 91177308-0d34-0410-b5e6-96231b3b80d8

Moved creation of SourceManager, HeaderSearch, TargetInfo, and LangOptions
into the loop that processes input files. These will soon become translation
unit specific (with the exception of LangOptions).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44893 91177308-0d34-0410-b5e6-96231b3b80d8

simplify code now that isConstantExpr really does always
return a loc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44890 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a case where we'd return "is not a constant expr" without
return a location.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44889 91177308-0d34-0410-b5e6-96231b3b80d8

80-column please.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44888 91177308-0d34-0410-b5e6-96231b3b80d8

Modified the internals of Diagnostic and DiagnosticClient to use
SourceManager*'s instead of SourceManager&'s. This allows the client specify a
NULL SourceManager when using a default constructed SourceLocation. Thus the
SourceManager can be NULL when the SourceLocation's isValid() == false.

The interface to most clients of Diagnostic remains the same.
Diagnostic::Report() is overload to either accept a SourceLocation and a
SourceManager&, or neither. Thus clients that do not have a SourceManager
cannot specify a SourceLocation.

Modified TextDiagnostics* to use this new interface.
Modified the driver to not passed in SourceManager when warning about "-I-".

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44887 91177308-0d34-0410-b5e6-96231b3b80d8

Implemented rewriting of protocol-qualified global variable types.
Re-implemented some of rewriting of protocol-qualified function
argument types to support it in its generality.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44886 91177308-0d34-0410-b5e6-96231b3b80d8

gcc supports more targets.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44885 91177308-0d34-0410-b5e6-96231b3b80d8

update pch discussion

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44884 91177308-0d34-0410-b5e6-96231b3b80d8

improve title

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44883 91177308-0d34-0410-b5e6-96231b3b80d8

add a con of clang vs gcc

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44882 91177308-0d34-0410-b5e6-96231b3b80d8

Match union field type when member expression is u->x

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44879 91177308-0d34-0410-b5e6-96231b3b80d8

Mega-patch: ripped SourceManager out of Diagnostic/DiagnosticClient.  Now
SourceManager is passed by reference, allowing the SourceManager to be
associated with a specific translation unit, and not the entire execution
of the driver.

Modified all users of Diagnostics to comply with this new interface.

Integrated SourceManager as a member variable of TargetInfo. TargetInfo will
eventually be associated with a single translation unit (just like
SourceManager).

Made the SourceManager reference in ASTContext private. Provided accessor
getSourceManager() for clients to use instead. Modified clients to comply with
new interface.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44878 91177308-0d34-0410-b5e6-96231b3b80d8

Refactor Rewritetest::RewriteObjcQualifiedInterfaceTypes in preparation for more
general use.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44876 91177308-0d34-0410-b5e6-96231b3b80d8

Refactor bit-field handling code into a separate method.
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44875 91177308-0d34-0410-b5e6-96231b3b80d8

For @optional unimplemented methods do not issue the warning.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44872 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed a parsing bug whereby @optional/@required keyword is not followed by
a method declaration.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44870 91177308-0d34-0410-b5e6-96231b3b80d8

mention pork

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44857 91177308-0d34-0410-b5e6-96231b3b80d8

properly namespacify.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44845 91177308-0d34-0410-b5e6-96231b3b80d8

fix a build issue with non-apple-gcc-4.0 compilers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44844 91177308-0d34-0410-b5e6-96231b3b80d8

Avoid the first person in a recently added comment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44843 91177308-0d34-0410-b5e6-96231b3b80d8

- Tweak several tests to be compatible with my last commit.
- Add a test to message.m for an unusual case for GCC compat (as suggested by Chris).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44842 91177308-0d34-0410-b5e6-96231b3b80d8

Generate more builtins.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44841 91177308-0d34-0410-b5e6-96231b3b80d8

Change err_undef_protocolref to warn_undef_protocolref (this is consistent with GCC).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44840 91177308-0d34-0410-b5e6-96231b3b80d8

Generate code for some more intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44839 91177308-0d34-0410-b5e6-96231b3b80d8

Reimplement support for strings that initialize global inits now that
the types are right in sema.  Thanks Steve.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44834 91177308-0d34-0410-b5e6-96231b3b80d8

Separate access field number is not required.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44833 91177308-0d34-0410-b5e6-96231b3b80d8

Beautify comment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44831 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to share llvm fields for bit-fields.
For example, struct { char a; short b:2; };

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44830 91177308-0d34-0410-b5e6-96231b3b80d8

Explicitly set the string literal type from "char *" to "constant array of char".

At this point, I am fairly certain the front-end is correct. Unfortunately, the back-end is still unhappy.

That said, I've commented out the two lines in globalinit.c that are causing problems.

Chris, please have a look...thanks!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44823 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed bug in CFG::PopulateBlkExprMap where the ordering
between fetching the size of the expression map (for use as
the next integer id for an Expr*) and the creation of the
entry in the map could be non-deterministic.  This could
cause the size of the map to be incremented prior to the
index being determine.

On Linux the map entry would be created first, causing the
map to the "size" to be incremented prior to it being
queried. On Mac OS X we had the reverse behavior. Now the
size is always queried prior to the new id being inserted
into the map.

This was the real cause of the bit-overrun triggered in
PR 1847:

  http://llvm.org/bugs/show_bug.cgi?id=1847

Also reverted the change in patch 44813, which was a bogus
fix to this problem:

  http://llvm.org/viewvc/llvm-project?rev=44813&view=rev

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44822 91177308-0d34-0410-b5e6-96231b3b80d8

Added missing inclusion of stdarg.h. Now CGExprScalar.cpp
compiles again on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44821 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for initializing char arrays from string literals.

Adapted from a patch by Anders Carlsson.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44816 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed off-by-one-error when resizing Bitvectors used for
dataflow analysis over expressions and decls.

This should fix bug 1847:

http://llvm.org/bugs/show_bug.cgi?id=1847

Thanks to Török Edwin for providing a test case that
identified the problem.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44813 91177308-0d34-0410-b5e6-96231b3b80d8

add support for implicit cast from array to pointer that is not the element
type.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44809 91177308-0d34-0410-b5e6-96231b3b80d8

Revert change that broke the build.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44808 91177308-0d34-0410-b5e6-96231b3b80d8

disable case that makes this fail.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44807 91177308-0d34-0410-b5e6-96231b3b80d8

Add EmitShuffleVector helper method.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44806 91177308-0d34-0410-b5e6-96231b3b80d8

Address comments from Chris.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44804 91177308-0d34-0410-b5e6-96231b3b80d8

minor edits.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44801 91177308-0d34-0410-b5e6-96231b3b80d8

Add assert to flag incomplete bit-field support.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44800 91177308-0d34-0410-b5e6-96231b3b80d8

Use getABITypeSizeInBits() instead of getTypeSizeInBits() during struct layout.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44799 91177308-0d34-0410-b5e6-96231b3b80d8

Use getABITypeSizeInBits() instead of getTypeSizeInBits() during struct layout.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44798 91177308-0d34-0410-b5e6-96231b3b80d8

Added newline to end of file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44797 91177308-0d34-0410-b5e6-96231b3b80d8

be more clear about what we are comparing.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44795 91177308-0d34-0410-b5e6-96231b3b80d8

Forgot this file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44790 91177308-0d34-0410-b5e6-96231b3b80d8

fixes, thanks to Nico Weber

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44789 91177308-0d34-0410-b5e6-96231b3b80d8

clean up the TOC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44788 91177308-0d34-0410-b5e6-96231b3b80d8

finish the features description.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44787 91177308-0d34-0410-b5e6-96231b3b80d8

now with hackability.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44784 91177308-0d34-0410-b5e6-96231b3b80d8

reorganize features, expound on a couple more.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44783 91177308-0d34-0410-b5e6-96231b3b80d8

incorporate suggestions from Joel Nelson.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44782 91177308-0d34-0410-b5e6-96231b3b80d8

start making features be a more detailed description of the features/goals section on the main page.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44781 91177308-0d34-0410-b5e6-96231b3b80d8

add toc

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44780 91177308-0d34-0410-b5e6-96231b3b80d8

don't duplicate goals on the features page.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44779 91177308-0d34-0410-b5e6-96231b3b80d8

update status

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44778 91177308-0d34-0410-b5e6-96231b3b80d8

edits, switch the goals/why section.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44777 91177308-0d34-0410-b5e6-96231b3b80d8

minor edits

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44776 91177308-0d34-0410-b5e6-96231b3b80d8

add link to comparison page.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44763 91177308-0d34-0410-b5e6-96231b3b80d8

Be more positive!  Add to sidebar.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44762 91177308-0d34-0410-b5e6-96231b3b80d8

updates.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44761 91177308-0d34-0410-b5e6-96231b3b80d8

minor edits

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44759 91177308-0d34-0410-b5e6-96231b3b80d8

make more positive.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44758 91177308-0d34-0410-b5e6-96231b3b80d8

Add a "comparing clang to other compilers" page, to help resolve some FAQ's.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44754 91177308-0d34-0410-b5e6-96231b3b80d8

lots of this is done.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44753 91177308-0d34-0410-b5e6-96231b3b80d8

abort when we lower an initializer to the wrong type, as we currently do for:
char text[] = "string";

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44752 91177308-0d34-0410-b5e6-96231b3b80d8

extend or truncate the initializer for a string initializer to match its type.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44751 91177308-0d34-0410-b5e6-96231b3b80d8

Implement codegen support for:
char text[8] = "string";

Big fixme remains.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44750 91177308-0d34-0410-b5e6-96231b3b80d8

Address Chris's comments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44749 91177308-0d34-0410-b5e6-96231b3b80d8

Move target specific builtin IDs to TargetBuiltins.h so that they can be used by CGBuiltin.cpp

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44748 91177308-0d34-0410-b5e6-96231b3b80d8

Implement correct semantic analysis of subtractions, implementing
C99 6.5.6.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44746 91177308-0d34-0410-b5e6-96231b3b80d8

Implement __builtin_ia32_mulps.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44745 91177308-0d34-0410-b5e6-96231b3b80d8

Generate code for target specific intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44744 91177308-0d34-0410-b5e6-96231b3b80d8

The flags on tokens indicate whether they are the start of a *physical* line,
not the start of a logical line.  Be careful about this distinction, which
affects when newlines are printed and when paste-avoidance happens, etc.
This fixes PR1848, thanks to Neil for noticing this!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44743 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a pretty big but subtle bug counting the number of newlines to emit.
This would cause us to emit different code (in -E mode) for these two files:

---
#define t(x) x

t(a
3)
---
#define t(x) x
t(a
3)
---

In one case, -E would print "a\n3", in the other it printed "a3".  Now
it prints "a3" for both.

This is part of PR1848.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44742 91177308-0d34-0410-b5e6-96231b3b80d8

Add dumping support for locations, make -dumptokens print out the location
info of each token.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44741 91177308-0d34-0410-b5e6-96231b3b80d8

Fix typo noticed by Nico Weber

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44739 91177308-0d34-0410-b5e6-96231b3b80d8

many edits to the main page, add a prominant 'status' section.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44737 91177308-0d34-0410-b5e6-96231b3b80d8

unindent, don't zap whitespace before/after paragraphs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44736 91177308-0d34-0410-b5e6-96231b3b80d8

simplify the menu css, make it a bit more attractive.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44735 91177308-0d34-0410-b5e6-96231b3b80d8

cleanup some markup, e.g. & -> &

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44734 91177308-0d34-0410-b5e6-96231b3b80d8

avoid ///usr/include/foo.h, patch by Sean Middleditch

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44731 91177308-0d34-0410-b5e6-96231b3b80d8

implement support for functions that initialize globals.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44730 91177308-0d34-0410-b5e6-96231b3b80d8

Add getTargetPrefix to TargetInfo, to be used with target specific intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44712 91177308-0d34-0410-b5e6-96231b3b80d8

Test case for my last patch for implementation of static protocoled type
used as reciver type of a message expression.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44693 91177308-0d34-0410-b5e6-96231b3b80d8

Omit the field name when including the super class structure template.

This allows us to access a superclasses ivars without deriving the absolute path.

The comments below say a bit more...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44688 91177308-0d34-0410-b5e6-96231b3b80d8

Implemented when static typing is combined with protocols and use as receiver
type.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44685 91177308-0d34-0410-b5e6-96231b3b80d8

Have Sema::CheckConstantInitList skip semantic analysis when the element type is a record (until we implement the FIXME). This removes a bogus error for the following code...

snarofflocal% cat bug.m

#import <Foundation/NSGeometry.h>

#define NUMHELICOPTERRECTS 5

static NSRect helicopterRects[NUMHELICOPTERRECTS] = {
    {{27, 0}, {18, 11}}, // Bottom
    {{0, 8}, {4, 11}}, // Tail
    {{0, 16}, {50, 1}},
    {{22, 5}, {18, 12}}, // Body
    {{0, 10}, {42, 3}}
};

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44684 91177308-0d34-0410-b5e6-96231b3b80d8

Lookup methods in the global pool even when a statically typed object's class interface isn't in scope!

As the comment in the code indicates, I'm not fond of this. Nevertheless, gcc compat is a goal.

Here is the case I'm talking about...

#import <Foundation/Foundation.h>

@interface AnyClass : NSObject
- (NSRect)rect;
@end

@class Helicopter;

static void func(Helicopter *obj) {
  NSRect r = [obj rect];
}

...before this patch, we would warn/error. With this patch, everything "just works".

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44682 91177308-0d34-0410-b5e6-96231b3b80d8

Patch for rewriting of @protocol.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44681 91177308-0d34-0410-b5e6-96231b3b80d8

Rewrite 'super' within a class method. This required some minor tweaks to the front-end.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44673 91177308-0d34-0410-b5e6-96231b3b80d8

Patch to implement "Protocol" as a built-in type declared as
"@class Protocol;"

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44670 91177308-0d34-0410-b5e6-96231b3b80d8

Add workaround to get test/Parser/compound_literal.c working again.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44666 91177308-0d34-0410-b5e6-96231b3b80d8

On Steve's suggestion, moved handling of use of undeclared method in a message
to rewriter (my previous patch).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44665 91177308-0d34-0410-b5e6-96231b3b80d8

More struct bitfields layout work. Now handle,

struct STestB1 {char a; char b:2; } stb1;
struct STestB2 {char a; char b:5; char c:4} stb2;

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44664 91177308-0d34-0410-b5e6-96231b3b80d8

test case for my very last patch.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44662 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bug handling typedefs of functions, patch by Nuno Lopes!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44661 91177308-0d34-0410-b5e6-96231b3b80d8

make it more clear what 'foo' is

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44653 91177308-0d34-0410-b5e6-96231b3b80d8

A missing method in a messaging expression issues a warning, clients must not
crash because of this.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44648 91177308-0d34-0410-b5e6-96231b3b80d8