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Author SHA1 Message Date
John McCall
37bb6c9832 Restore r117644, this time properly ignoring -fvisibility and type visibility 
for namespace-scope variable declarations.

Apply visibility in IR gen to variables that are merely declared
and never defined.  We were previously emitting these with default
visibility unless they were declared with private_extern.

Ignore global visibility settings when computing visibility for
a declaration's context, and key several conditions on whether a
visibility attribute exists anywhere in the hierarchy as opposed
to whether it exists at the current level.

llvm-svn: 117729
 2010-10-29 22:22:43 +00:00
Devang Patel
31d1e2153f After processing named unions do not fall through to handle anonymous unions. 
This is tested by funcargs.exp in gdb testsuite.

llvm-svn: 117659
 2010-10-29 16:21:19 +00:00
Daniel Dunbar
df8792128f Revert r117644, "Apply visibility in IR gen to variables that are merely 
declared", it breaks things.

llvm-svn: 117653
 2010-10-29 15:19:36 +00:00
John McCall
077dc60540 Don't assert on attempts to throw 'bool'. I wonder if in the history of C++ 
anyone has ever intentionally done this outside of a compiler test case.

llvm-svn: 117645
 2010-10-29 08:14:02 +00:00
John McCall
4af6bf1fdc Apply visibility in IR gen to variables that are merely declared 
and never defined.  We were previously emitting these with default
visibility unless they were declared with private_extern.

Ignore global visibility settings when computing visibility for
a declaration's context, and key several conditions on whether a
visibility attribute exists anywhere in the hierarchy as opposed
to whether it exists at the current level.

llvm-svn: 117644
 2010-10-29 07:49:41 +00:00
Devang Patel
ed23f18d7e Basic types are language defined builtins. They are always defined at top most level. 
llvm-svn: 117613
 2010-10-28 22:03:20 +00:00
John McCall
565141612f When emitting l-values for bool non-__block decl references, make a pointer 
using the memory type;  fixes an assert.

Fixes rdar://problem/8605032

llvm-svn: 117610
 2010-10-28 21:37:57 +00:00
Devang Patel
faadd7b72d Directly use NamespaceDecl->getLocation() to find the source file. 
llvm-svn: 117576
 2010-10-28 19:12:46 +00:00
Devang Patel
8e0073008a Stay within 80 columns. 
llvm-svn: 117561
 2010-10-28 17:27:32 +00:00
John McCall
9de9160d55 Implement an indirect-goto optimization for goto *&&lbl and respect this 
in the scope checker.  With that done, turn an indirect goto into a
protected scope into a hard error;  otherwise IR generation has to start
worrying about declarations not dominating their scopes, as exemplified
in PR8473.

If this really affects anyone, I can probably adjust this to only hard-error
on possible indirect gotos into VLA scopes rather than arbitrary scopes.
But we'll see how people cope with the aggressive change on the marginal
feature.

llvm-svn: 117539
 2010-10-28 08:53:48 +00:00
Devang Patel
1bee63f325 Fix context info for enums. 
Radar 8595129

llvm-svn: 117507
 2010-10-27 23:23:58 +00:00
John McCall
3a7f6926d1 Restore r117403 (fixing IR gen for bool atomics), this time being less 
aggressive about the form we expect bools to be in.  I don't really have
time to fix all the sources right now.

llvm-svn: 117486
 2010-10-27 20:58:56 +00:00
Rafael Espindola
9d798a07e4 Revert r117403 as it caused PR8480. 
llvm-svn: 117456
 2010-10-27 17:13:49 +00:00
Fariborz Jahanian
1518a5eca7 Do the guarding of instantiated static data members 
on if its linkage is weak. Currently this is the
case but may change in the future. (part of radar 
8562966).

llvm-svn: 117452
 2010-10-27 16:21:54 +00:00
Anders Carlsson
b00c2144b3 Also devirtualize calls to a member functions where the containing class has been marked final. 
llvm-svn: 117445
 2010-10-27 13:34:43 +00:00
Anders Carlsson
a7911fa3d7 If a virtual member function has the 'final' attribute, we can devirtualize calls to it. 
llvm-svn: 117444
 2010-10-27 13:28:46 +00:00
Fariborz Jahanian
67ca8c4c7b Patch to provide guard when initializing instances 
of static data member of a class template.
Fixes //rdar :// 8562966 and pr8409.

llvm-svn: 117410
 2010-10-26 22:47:47 +00:00
John McCall
6bde954f47 Extract procedures to do scalar-to-memory and memory-to-scalar conversions 
in IR gen, and use those to fix a correctness issue with bool atomic
intrinsics.  rdar://problem/8461234

llvm-svn: 117403
 2010-10-26 22:09:15 +00:00
Dan Gohman
8fc50c296a Factor out the code for emitting code to load vtable pointer members 
so that it's done in one place.

llvm-svn: 117386
 2010-10-26 18:44:08 +00:00
Dan Gohman
dc2c4db598 Add infrastructure for emitting TBAA metadata with the "constant" flag. 
llvm-svn: 117328
 2010-10-25 23:51:23 +00:00
Dan Gohman
d831356635 Trim an unnecessary #include. 
llvm-svn: 117321
 2010-10-25 21:59:29 +00:00
Dan Gohman
7dfd13c167 Factor out the code for creating the Root and Char nodes, so that 
they can be used outside of the main getTBAAInfo function.

llvm-svn: 117320
 2010-10-25 21:48:30 +00:00
Fariborz Jahanian
c123623d28 After discussion with Doug and John, I am reverting 
the patch. 

llvm-svn: 117159
 2010-10-22 22:05:03 +00:00
John McCall
457a04e3ce Substantially revise how clang computes the visibility of a declaration to 
more closely parallel the computation of linkage.  This gets us to a state
much closer to what gcc emits, modulo bugs, which will undoubtedly arise in
abundance.

llvm-svn: 117147
 2010-10-22 21:05:15 +00:00
Fariborz Jahanian
0196aa28ec Patch fixes miscompile with non-trivial copy constructors and 
statement expressions, //rdar: //8540501

llvm-svn: 117146
 2010-10-22 21:01:02 +00:00
Devang Patel
401c916c8a Delay record type's debug info emission, in -flimit-debug-info mode, if member expression's base is call expr. 
llvm-svn: 117127
 2010-10-22 18:56:27 +00:00
Devang Patel
db3910000a Revert unintentional check-in. 
llvm-svn: 117120
 2010-10-22 18:31:12 +00:00
Devang Patel
f79199d140 Tidy up MIPS_linkage name. Provide it only if it does not match regular name, otherwise it confuses debugger. 
This is tested by local.C in llvmgcc testsuite.

llvm-svn: 117107
 2010-10-22 17:11:50 +00:00
Benjamin Kramer
fb5e584151 More class anonymization. 
llvm-svn: 117106
 2010-10-22 16:48:22 +00:00
Dan Gohman
2bb62c3d2b Rename clang's TBAA tree root from "experimental" to "simple". 
llvm-svn: 117046
 2010-10-21 18:50:04 +00:00
Dan Gohman
5419ce6827 Add some more comments. 
llvm-svn: 117043
 2010-10-21 18:49:12 +00:00
Fariborz Jahanian
50c925fe96 This patch implements Next's IRGen for -fconstant-string-class=class-name. 
PR6056, //rdar: //8564463

llvm-svn: 116819
 2010-10-19 17:19:29 +00:00
Michael J. Spencer
f5a1fbcdf3 Fix Whitespace. 
llvm-svn: 116798
 2010-10-19 06:39:39 +00:00
Bill Wendling
9987c0ea42 We shouldn't keep track of MMX registers "needed" separately from the SSE 
registers needed.

llvm-svn: 116772
 2010-10-18 23:51:38 +00:00
John McCall
18e4edae82 Fix some bugs in local class mangling brought up in PR8355. 
Patch by Richard Smith!

llvm-svn: 116752
 2010-10-18 21:28:44 +00:00
Fariborz Jahanian
f34011e4ca patch fixes class names missing from method names in debug information for 
synthesized property. // rdar: //8498026

llvm-svn: 116717
 2010-10-18 17:51:06 +00:00
Bill Wendling
5cd41c4b13 Reapply r116684 with fixes. The test cases needed to be updated. 
llvm-svn: 116696
 2010-10-18 03:41:31 +00:00
Bill Wendling
c7c9be661f Temporarily revert r116684. It was causing failures with 
Clang :: CodeGen/x86_32-arguments-darwin.c
    Clang :: CodeGen/x86_32-arguments-linux.c

llvm-svn: 116687
 2010-10-17 07:58:46 +00:00
Bill Wendling
812f4b123e The "gcc.dg/compat/vector-1 -m32" test was broken after the MMX rewrite. The 
function parameters weren't converted to use the correct type (x86_mmx). Add a
check, similar to the one in llvm-gcc, to see if we need the x86_mmx type for
that function parameter. If so, it coerces the type to be that.

llvm-svn: 116684
 2010-10-17 07:38:01 +00:00
John McCall
d509182336 Coding by inspection has its problems. 
llvm-svn: 116672
 2010-10-16 16:34:08 +00:00
John McCall
17afe45a87 objc_exception_rethrow does not take an exception argument. 
rdar://problem/8535238

llvm-svn: 116663
 2010-10-16 08:21:07 +00:00
Daniel Dunbar
622581b73b Revert r116656, "IRgen/Obj-C/NeXT: Fix the IR signature for 
objc_exception_rethrow, so we don't...", since something is actually trying to
call this with the wrong signature (!). Unfortunately I don't understand the new
EH infrastructure well enough to fix it immediately.

llvm-svn: 116660
 2010-10-16 05:04:10 +00:00
Daniel Dunbar
90bb5c2315 IRgen/Obj-C/NeXT: Fix the IR signature for objc_exception_rethrow, so we don't 
generate unnecessary %al clear on x86_64.

llvm-svn: 116656
 2010-10-16 04:08:16 +00:00
Dan Gohman
f47df3e02a Mention the paragraphs in the standards which sanction TBAA. 
llvm-svn: 116617
 2010-10-15 20:54:41 +00:00
Dan Gohman
c44fd6486e Use a different name for pointer types in tbaa, to be a little 
more consistent with other names, and to look less like a magic name.

llvm-svn: 116616
 2010-10-15 20:26:20 +00:00
Dan Gohman
2d0a3c7b8c Add a comment. 
llvm-svn: 116615
 2010-10-15 20:24:53 +00:00
Dan Gohman
4a3b1b3ef4 Fix a typo in a comment Frits van Bommel spotted. 
llvm-svn: 116614
 2010-10-15 20:24:10 +00:00
Dan Gohman
2e29eb5a4b Experimental TBAA support for enum types. 
llvm-svn: 116613
 2010-10-15 20:23:12 +00:00
Dan Gohman
d19ee8a07f Don't leak the TBAA object. 
llvm-svn: 116595
 2010-10-15 18:04:46 +00:00
Dan Gohman
f5c5e0773e Add a comment about odd "signed char" incompatibility between C++ and C. 
llvm-svn: 116593
 2010-10-15 17:52:03 +00:00