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166351 Commits

Author SHA1 Message Date
John McCall 30268ca2e0 Extensively comment bitfield layout, rearrange some 
code for legibility, and fix a bug with bitfields in packed
ms_structs.

rdar://15926990

llvm-svn: 200379
 2014-01-29 07:53:44 +00:00
Kostya Serebryany 6e15ec1442 [asan] simplify a test 
llvm-svn: 200378
 2014-01-29 07:35:43 +00:00
Craig Topper 0d16d2dc31 Delete the Matchers stored in the SmallVectors in SwitchOpcodeMatcher/SwitchTypeMatcher. 
llvm-svn: 200377
 2014-01-29 07:06:07 +00:00
Venkatraman Govindaraju 141d0e2221 [Sparc] Use %r_disp32 for pc_rel entries in FDE as well. 
This makes MCAsmInfo::getExprForFDESymbol() a virtual function and overrides it in SparcMCAsmInfo.

llvm-svn: 200376
 2014-01-29 06:59:20 +00:00
NAKAMURA Takumi b366f01f83 Revert r200340, "Add line table debug info to COFF files when using a win32 triple." 
It was incompatible with --target=i686-win32.

llvm-svn: 200375
 2014-01-29 06:05:38 +00:00
Rafael Espindola 619581c3c9 Normalize the style in llvm-nm.cpp. 
It had grown fairly inconsistent. I am about to change it quite a bit to also
use the object api when handling IR files.

llvm-svn: 200374
 2014-01-29 04:56:19 +00:00
Venkatraman Govindaraju fd5c1f9497 [Sparc] Use %r_disp32 for pc_rel entries in gcc_except_table and eh_frame. 
Otherwise, assembler (gas) fails to assemble them with error message "operation
combines symbols in different segments". This is because MC computes
pc_rel entries with subtract expression between labels from different sections.

llvm-svn: 200373
 2014-01-29 04:51:35 +00:00
Chandler Carruth 66f0b16360 [LPM] Fix PR18642, a pretty nasty bug in IndVars that "never mattered" 
because of the inside-out run of LoopSimplify in the LoopPassManager and
the fact that LoopSimplify couldn't be "preserved" across two
independent LoopPassManagers.

Anyways, in that case, IndVars wasn't correctly preserving an LCSSA PHI
node because it thought it was rewriting (via SCEV) the incoming value
to a loop invariant value. While it may well be invariant for the
current loop, it may be rewritten in terms of an enclosing loop's
values. This in and of itself is fine, as the LCSSA PHI node in the
enclosing loop for the inner loop value we're rewriting will have its
own LCSSA PHI node if used outside of the enclosing loop. With me so
far?

Well, the current loop and the enclosing loop may share an exiting
block and exit block, and when they do they also share LCSSA PHI nodes.
In this case, its not valid to RAUW through the LCSSA PHI node.

Expected crazy test included.

llvm-svn: 200372
 2014-01-29 04:40:19 +00:00
Arnold Schwaighofer 1aab75ab49 LoopVectorizer: Don't count the induction variable multiple times 
When estimating register pressure, don't count the induction variable mulitple
times. It is unlikely to be unrolled. This is currently disabled and hidden
behind a flag ("enable-ind-var-reg-heur").

llvm-svn: 200371
 2014-01-29 04:36:12 +00:00
Rafael Espindola 7a578026ae We do use pipefail these days. Update the test. 
llvm-svn: 200370
 2014-01-29 04:08:05 +00:00
Shankar Easwaran b6a6bdab20 [ELF][Hexagon] typeZeroFillQuick is not associated with bss section. 
We need to increase the memory and the filesize when we add a typeZeroFillQuick
atom.

llvm-svn: 200369
 2014-01-29 04:04:27 +00:00
Venkatraman Govindaraju 50f32d949b [SparcV9] Use correct register class (I64RegClass) to hold the address of _GLOBAL_OFFSET_TABLE_ in sparcv9. 
llvm-svn: 200368
 2014-01-29 03:35:08 +00:00
Rafael Espindola 310f501ef0 Use a raw_stream to implement the mangler. 
This is a bit more convenient for some callers, but more importantly, it is
easier to implement correctly. Doing this removes the patching of already
printed data that was used for fastcall, fixing a crash with private fastcall
symbols.

llvm-svn: 200367
 2014-01-29 02:30:38 +00:00
Timur Iskhodzhanov 50672ac9cb Add support for more instruction prefixes so we can intercept functions in the VS2013 RTL 
llvm-svn: 200366
 2014-01-29 02:00:58 +00:00
Kevin Qin 92d64d2d56 [AArch64 NEON] Lower SELECT_CC with vector operand. 
When the scalar compare is between floating point and operands are
vector, we custom lower SELECT_CC to use NEON SIMD compare for
generating less instructions.

llvm-svn: 200365
 2014-01-29 01:57:30 +00:00
David Fang 7584238232 lit.site.cfg:cxx_under_test should take precedence over 'which clang++' 
(reviewed by Marshall Clow)

llvm-svn: 200364
 2014-01-29 01:54:52 +00:00
Hans Wennborg cfdd8b54cf clang-cl: Better error message when trying to compile stdin (PR18640) 
We should suggest using /Tc or /Tp to set the input type, instead of
erroneously suggesting -x, which isn't a clang-cl flag.

llvm-svn: 200362
 2014-01-29 01:04:40 +00:00
David Woodhouse 21bfc71752 [ARM] Remove superfluous inline asm mode switch test 
llvm-svn: 200361
 2014-01-29 00:49:28 +00:00
Mark Seaborn efe919ff8a Remove unnecessary call to pthread_mutexattr_setpshared() 
The default value of this attribute is PTHREAD_PROCESS_PRIVATE, so
there's no point in calling pthread_mutexattr_setpshared() to set
that.

See: http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_getpshared.html

This removes some ifdefs that tend to need to be extended for other
platforms (e.g. for NaCl).

Note that this call was in the first implementation of Mutex, added in
r22403, so it doesn't appear to have been added in response to a
performance problem.

Differential Revision: http://llvm-reviews.chandlerc.com/D2633

llvm-svn: 200360
 2014-01-29 00:20:44 +00:00
Yunzhong Gao eeeb8dafed Fixing PR18430 by checking that the size of bitfields plus padding does not 
grow into the following virtual base.

Differential Revision: http://llvm-reviews.chandlerc.com/D2560

llvm-svn: 200359
 2014-01-29 00:09:16 +00:00
David Majnemer 1625245b68 MC: Clean up error paths in AsmParser::parseMacroArgument 
Use an RAII object Instead of inserting a call to
AsmLexer::setSkipSpace(true) in all error paths.

No functional change.

llvm-svn: 200358
 2014-01-29 00:07:39 +00:00
Rafael Espindola c3ceeb6fa7 Make createObjectFile's signature a bit less error prone. 
This will be better with c++11, but right now file_magic converts to bool,
which makes the api really easy to misuse.

llvm-svn: 200357
 2014-01-29 00:02:26 +00:00
Richard Trieu 1e632af0d4 A new conversion warning for when an Objective-C object literal is implicitly 
cast into a boolean true value.  This warning will catch code like:

if (@0) {}
if (@"foo") {}

llvm-svn: 200356
 2014-01-28 23:40:26 +00:00
David Woodhouse a86694ca7a [Sparc] Fix breakage in r200345 
Oops. Don't do build tests on patches like that with --enable-targets=x86_64

llvm-svn: 200355
 2014-01-28 23:38:16 +00:00
Rafael Espindola cbf1a809c3 Finish bringing file_type to the llvm style (other than its name). 
I assume that the name is file_type because it is the name of a c++11 type that
we will use once we convert, but at least our current implementation can look
like llvm code.

Thanks to David Blakie for the push.

llvm-svn: 200354
 2014-01-28 23:36:39 +00:00
Nick Kledzik c80ff7d4b0 Be more explicit about which overloaded variant to use. Caught by ASan! 
llvm-svn: 200353
 2014-01-28 23:25:13 +00:00
Rafael Espindola 7854f804d6 Convert to the inner enum so the compiler can warn about it in switches. 
llvm-svn: 200352
 2014-01-28 23:15:56 +00:00
David Woodhouse 7db3705f9e Tests for mode switching 
1. test that inlineasm works
2. test that relaxable instructions are re-encoded in the correct mode.

llvm-svn: 200351
 2014-01-28 23:13:30 +00:00
David Woodhouse d2cca113df Delete MCSubtargetInfo data members from target MCCodeEmitter classes 
The subtarget info is explicitly passed to the EncodeInstruction
method and we should use that subtarget info to influence any
encoding decisions.

llvm-svn: 200350
 2014-01-28 23:13:25 +00:00
David Woodhouse 3fa98a65e9 Propagate MCSubtargetInfo through TableGen's getBinaryCodeForInstr() 
llvm-svn: 200349
 2014-01-28 23:13:18 +00:00
David Woodhouse 9784cef38d Explictly pass MCSubtargetInfo to MCCodeEmitter::EncodeInstruction() 
llvm-svn: 200348
 2014-01-28 23:13:07 +00:00
David Woodhouse f5199f68f2 Keep the MCSubtargetInfo in the MCRelxableFragment class. 
Needed to fix PR18303 to correctly re-encode the instruction if it
is relaxed.

We keep a copy of the MCSubtargetInfo to make sure that we are not
effected by future changes to the subtarget info coming from the
assembler (e.g. when parsing .code 16 directived).

llvm-svn: 200347
 2014-01-28 23:12:53 +00:00
David Woodhouse 6f3c73f7df Modify MCObjectStreamer EmitInstTo* interface 
Add MCSubtargetInfo parameter
virtual void EmitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &);
virtual void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &);

llvm-svn: 200346
 2014-01-28 23:12:49 +00:00
David Woodhouse e6c13e4abd Change MCStreamer EmitInstruction interface to take subtarget info 
llvm-svn: 200345
 2014-01-28 23:12:42 +00:00
Hans Wennborg 1fd6dd3616 Intrin.h: include setjmp.h to get a jmp_buf definition 
This makes sure that the ms-intrin.cpp test passes by providing
a mock setjmp.h as a test input.

llvm-svn: 200344
 2014-01-28 23:01:59 +00:00
Hans Wennborg 740a4d6e46 Intrin.h: implement __rdtsc and __halt 
llvm-svn: 200343
 2014-01-28 22:55:01 +00:00
Fariborz Jahanian f40ef45c9d Objective-C. Fixes a bug where "new" family attribute 
was not being overridden in the category method implementation
resulting in bogus warning. // rdar://15919775

llvm-svn: 200342
 2014-01-28 22:46:29 +00:00
Timur Iskhodzhanov 7523743075 Disable the COFF tests on non-X86 archs 
llvm-svn: 200341
 2014-01-28 21:47:33 +00:00
Timur Iskhodzhanov 2c659648b3 Add line table debug info to COFF files when using a win32 triple. 
Reviewed at http://llvm-reviews.chandlerc.com/D2232

llvm-svn: 200340
 2014-01-28 21:33:27 +00:00
Fariborz Jahanian 33fa962441 Objective-C. provide legacy encoding of *id and *Class types 
instead of crashing.  // rdar://15824769.

llvm-svn: 200338
 2014-01-28 20:41:15 +00:00
Daniel Jasper 559b63cbb9 clang-format: Understand __attribute__s preceding parameter lists. 
Before:
  ReturnType __attribute__((unused))
      function(int i);

After:
  ReturnType __attribute__((unused))
  function(int i);

This fixes llvm.org/PR18632.

llvm-svn: 200337
 2014-01-28 20:13:43 +00:00
Owen Anderson 5c65e7f345 Use the proper SDK when building iOS sim builds of LLVM and/or Mac OS X builds. 
llvm-svn: 200335
 2014-01-28 19:57:18 +00:00
Nick Kledzik b0be8687b9 fix templates to work with pre c++11 
llvm-svn: 200333
 2014-01-28 19:33:09 +00:00
Matheus Almeida 2e03f24301 [mips] Fix ELF header flags. 
As opposed to GCC/GAS the default ABI for Mips64 is n64.
Compatibility bit should be set if o32 ABI is used when targeting Mips64.

llvm-svn: 200332
 2014-01-28 19:24:11 +00:00
Nick Kledzik 15bcb9dc42 Add BumpPtrAllocator::allocateCopy() utilities 
Makes it easy to use BumpPtrAllocator to make a copy of StringRef strings.

llvm-svn: 200331
 2014-01-28 19:21:27 +00:00
Simon Atanasyan 7aa9061ead [Mips] Declare MipsDynamicTable class in a separate header file. 
llvm-svn: 200328
 2014-01-28 18:52:41 +00:00
Daniel Jasper a0e9be2bb2 clang-format: Fix option formatting in protocol buffer files. 
Before:
  optional int32 foo[ default = true, deprecated = true ];

After:
  optional int32 foo[default = true, deprecated = true];

llvm-svn: 200327
 2014-01-28 18:51:11 +00:00
Greg Clayton 5fdb09bb76 Show help dialog the first time the "gui" is run to help users find their way. 
llvm-svn: 200326
 2014-01-28 18:41:35 +00:00
Gautam Chakrabarti 2c283400f9 [NVPTX] Fix emitting aggregate parameters 
The code was missing the case for aggregate parameters and
hence was emitting them as .b0 type. Also fixed a couple
of comments.

llvm-svn: 200325
 2014-01-28 18:35:29 +00:00
Andrea Di Biagio 2ea61f17ad [X86] Add extra rules for combining vselect dag nodes into movsd. 
This improves the fix committed at revision 199683 adding the
following new target specific combine rules:

1) fold (v4i32: vselect <0,0,-1,-1>, A, B) ->
        (v4i32 (bitcast (movsd (v2i64 (bitcast A)), (v2i64 (bitcast B))) ))

2) fold (v4f32: vselect <0,0,-1,-1>, A, B) ->
        (v4f32 (bitcast (movsd (v2f64 (bitcast A)), (v2f64 (bitcast B))) ))

3) fold (v4i32: vselect <-1,-1,0,0>, A, B) ->
        (v4i32 (bitcast (movsd (v2i64 (bitcast B)), (v2i64 (bitcast A))) ))

4) fold (v4f32: vselect <-1,-1,0,0>, A, B) ->
        (v4f32 (bitcast (movsd (v2i64 (bitcast B)), (v2i64 (bitcast A))) ))

llvm-svn: 200324
 2014-01-28 18:14:21 +00:00