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Author SHA1 Message Date
John McCall
83fe49d1e1 Always emit full loads from volatile complex l-values. 
Return the result of a complex assignment with the original values,
not by performing a load from the l-value;  this is the correct
semantics in C, although not in C++.

llvm-svn: 119037
 2010-11-14 09:40:28 +00:00
Fariborz Jahanian
9b4dc09746 Removing these test till redo them so they won't depend 
on the built compiler.

llvm-svn: 119013
 2010-11-13 23:04:46 +00:00
Argyrios Kyrtzidis
8b4cf00cdc Fix the test for Release. 
llvm-svn: 118483
 2010-11-09 03:43:49 +00:00
Argyrios Kyrtzidis
8909686b22 Fix miscompilation regarding VLAs; subscription of VLA pointers was incorrect. 
Fixes rdar://8644873 & http://llvm.org/PR8567.

llvm-svn: 118468
 2010-11-09 01:30:48 +00:00
John McCall
2faab302e0 ARM EH uses a different personality function in C. 
llvm-svn: 118366
 2010-11-07 02:35:25 +00:00
John Thompson
6c2afc8d5d Tests for inline asm constraints, generic and x86. 
llvm-svn: 118108
 2010-11-02 23:03:52 +00:00
John McCall
23032653d7 Unbreak private_extern, which apparently we had zero tests for. 
llvm-svn: 118034
 2010-11-02 18:38:13 +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
John McCall
b7139c43ae When computing visibility, use the latest declaration's explicit visibility 
attribute.

Part of rdar://problem/8595231

llvm-svn: 117526
 2010-10-28 04:18:25 +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
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
John McCall
5fe84129e2 A couple of tweaks to the visibility rules: 
- tags with C linkage should ignore visibility=hidden
  - functions and variables with explicit visibility attributes should
    ignore the linkage of their types
Either of these should be sufficient to fix PR8457.

Also, FileCheck-ize a test case.

llvm-svn: 117351
 2010-10-26 04:59:26 +00:00
Peter Collingbourne
a99fdcf93e Implement GNU C extension: two types are compatible if they appear 
as a function argument, one of the types is a transparent union type
and the other type is compatible with a union member

llvm-svn: 117243
 2010-10-24 18:30:18 +00:00
Bill Wendling
67c5621742 Linux still needs these hacks. 
llvm-svn: 116888
 2010-10-20 00:12:59 +00:00
Bill Wendling
2bb7c59356 Now that mm_malloc.h was rewritten to *not* include errno.h (see 
http://llvm.org/viewvc/llvm-project?rev=116771&view=rev) we can get rid of these
hacks.

llvm-svn: 116853
 2010-10-19 20:08:12 +00:00
Michael J. Spencer
8d3f5db7e5 test: FileCheck'ize and document test. 
llvm-svn: 116799
 2010-10-19 06:39:49 +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
Anton Yartsev
73d4023114 support for AltiVec extensions from the Cell architecture 
llvm-svn: 116478
 2010-10-14 14:37:46 +00:00
Chris Lattner
001b29ccc1 Allow a string literal to initialize a tail array (PR8217), patch 
by Pierre Habouzit!

llvm-svn: 116165
 2010-10-10 17:49:49 +00:00
Argyrios Kyrtzidis
073c9cb592 Implement __builtin_ia32_vec_ext_v2si function (required by Qt). 
llvm-svn: 116162
 2010-10-10 03:19:11 +00:00
Nico Weber
a6bde81bc8 Add support for UCNs for character literals 
llvm-svn: 116129
 2010-10-09 00:27:47 +00:00
Douglas Gregor
559c9fb134 This patch fixes multiple issues in clang's designated init builder and 
completes support for C1X anonymous struct/union init features:

 * Indexed anonymous member initializers should not be expanded. Doing so makes
little sense and would cause unresolvable semantic ambiguity in valid code
(regression introduced by r69153).

 * Subobject initialization of (possibly nested) anonymous members are now
referred to with paths relative to the naming record context, eliminating the
synthesis of incorrect implicit InitListExprs that caused CodeGen to assert.

 * Field lookup was missing a null check in IdentifierInfo comparison which
caused lookup for a known (already resolved) field to match the first unnamed
data member it encountered leading to silent miscompilation.

 * Subobject paths are no longer built using the general purpose
Sema::BuildAnonymousStructUnionMemberPath(). If any corner cases crop up, we
will now assert earlier in Sema instead of passing invalid InitListExprs
through to CodeGen.

Fixes PR6955, from Alp Toker!

llvm-svn: 116098
 2010-10-08 20:44:28 +00:00
Daniel Dunbar
29b8fb1771 tests: Force a triple to avoid wchar_t differences. 
llvm-svn: 115970
 2010-10-07 20:16:00 +00:00
Nico Weber
9762e0a234 Add support for 4-byte UCNs like \U12345678. Warn about UCNs in c90 mode. 
llvm-svn: 115743
 2010-10-06 04:57:26 +00:00
Bill Wendling
964f521e85 Erm...this isn't the same as PR6658. 
llvm-svn: 115737
 2010-10-06 03:33:37 +00:00
Bill Wendling
6153d2c7bd MMX conversion work is done. We can remove the FIXMEs. 
llvm-svn: 115736
 2010-10-06 03:31:26 +00:00
Bill Wendling
8700d39139 Add same hack to mmx-builtins.c as in Headers/c89.c to get it to pass on Win32. PR6658. 
llvm-svn: 115735
 2010-10-06 03:31:09 +00:00
Bill Wendling
a76cdeb783 Do x86_64. 
llvm-svn: 115460
 2010-10-03 08:34:05 +00:00
Bill Wendling
4a58223401 Test to verify that all of the MMX builtins are handled by the front-end. 
llvm-svn: 115459
 2010-10-03 03:39:54 +00:00
Dale Johannesen
39d6f4b95c Clang part of MMX rewrite (goes with 115243). 
llvm-svn: 115244
 2010-09-30 23:57:50 +00:00
Daniel Dunbar
8caf6415a8 Add support for attribute((naked)), patch by Zoxc on cfe-commits! 
- Minor style tweaks by me.

llvm-svn: 115056
 2010-09-29 18:20:25 +00:00
Fariborz Jahanian
1db5c941ad vla expressions used in __typeof__ must be evaluated. 
Fixes rdar://8476159.

llvm-svn: 114982
 2010-09-28 20:42:35 +00:00
Fariborz Jahanian
8fb87aec78 Patch implements passing arrays to functions expecting 
vla. Implements pr7827.

llvm-svn: 114737
 2010-09-24 17:30:16 +00:00
Argyrios Kyrtzidis
719a46bbf1 Don't crash on _Imaginary. 
llvm-svn: 114637
 2010-09-23 09:40:31 +00:00
Daniel Dunbar
1fae17a8e5 Tweak test to pass -ffreestanding, to avoid platform dependent header issues. 
llvm-svn: 114627
 2010-09-23 04:40:10 +00:00
Daniel Dunbar
19964dbe3b IRgen/ABI/ARM: Return large vectors in memory. 
llvm-svn: 114619
 2010-09-23 01:54:32 +00:00
Daniel Dunbar
b34b08098c IRgen/ABI/ARM: Trust the backend to pass vectors correctly for the given ABI. 
- Therefore, we can lower out the NEON wrapper structs and pass the vectors
   directly. This makes a huge difference in the cleanliness of the IR after
   optimization.
 - I will trust, but verify, via future ABITest testing (for APCS-GNU, at
   least).

llvm-svn: 114618
 2010-09-23 01:54:28 +00:00
Devang Patel
f063cb49d8 Testcase for r114585. 
llvm-svn: 114586
 2010-09-22 21:13:48 +00:00
Chris Lattner
b2f659b7a0 fix the rest of rdar://8461279 - clang miscompiles address-space qualified atomics 
llvm-svn: 114503
 2010-09-21 23:40:48 +00:00
Chris Lattner
c9066d3072 same bug as before, this time with __sync_val_compare_and_swap. 
llvm-svn: 114502
 2010-09-21 23:35:30 +00:00
Chris Lattner
7cf46bfda0 fix __sync_bool_compare_and_swap to work with address-space qualified types. 
llvm-svn: 114498
 2010-09-21 23:24:52 +00:00
Chris Lattner
65dce5eeee filecheckize. 
llvm-svn: 114497
 2010-09-21 23:22:41 +00:00
Fariborz Jahanian
521c72c756 Fixes an IRgen ICE due to cast of null pointer to 
a vla type (fixes pr7827).

llvm-svn: 114495
 2010-09-21 22:53:33 +00:00
Fariborz Jahanian
8162d4ad31 Implements in IRgen gnu extensions missing LHS for 
complex conditionals. Radar 8453812.

llvm-svn: 114376
 2010-09-20 23:50:22 +00:00
Fariborz Jahanian
2b1d88abfb Problem with gnu conditional extension with missing 
LHS and when conditional expression is an array. Since
it will be decayed, saved expression must be saved with
decayed expression. This is necessary to preserve semantics
of this extension (and prevent an IRGen crash which expects
an array to always be decayed). I am sure there will be other
cases in c++ (aggregate conditionals for example) when saving of the 
expression must happen after some transformation on conditional
expression has happened. 
Doug, please review.  Fixes // rdar://8446940

llvm-svn: 114296
 2010-09-18 19:38:38 +00:00
John Thompson
1224061281 Added '|' delimiter to separate inline asm multiple alternative constraints for Clang side of support. 
llvm-svn: 114253
 2010-09-18 01:15:13 +00:00
Bill Wendling
cbacefd36f Testcase for r114239. 
llvm-svn: 114247
 2010-09-18 00:26:29 +00:00
Daniel Dunbar
60785eb0f2 Sema/transparent_union: Make sure to add implicit cast when constructing 
implicit union values for the transparent_union extension.

llvm-svn: 114236
 2010-09-17 23:21:43 +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