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87060 Commits

Author SHA1 Message Date
Sebastian Redl 409183ff7c Increase the max PCH level for declarations to 7. Add a FromPCH flag to types. 
llvm-svn: 108354
 2010-07-14 20:26:45 +00:00
Owen Anderson 2cfe91379b Extend SimplifyCFG's common-destination folding heuristic to allow a single 
"bonus" instruction to be speculatively executed.  Add a heuristic to
ensure we're not tripping up out-of-order execution by checking that this bonus
instruction only uses values that were already guaranteed to be available.

This allows us to eliminate the short circuit in (x&1)&&(x&2).

llvm-svn: 108351
 2010-07-14 19:52:16 +00:00
Daniel Dunbar 9765b9817d Driver: When re'execing clang, use path to the main executable instead of 
looking up Clang in the normal search paths (which may end up finding the wrong
clang).

llvm-svn: 108346
 2010-07-14 18:46:27 +00:00
Daniel Dunbar 9c3ed5f4d0 Driver: Remove some unused arguments. 
llvm-svn: 108345
 2010-07-14 18:46:23 +00:00
Dan Gohman 8939ba337d Factor out metadata parsing into a separate function. 
llvm-svn: 108343
 2010-07-14 18:26:50 +00:00
Chris Lattner 254858031a Merge lib/Target/X86/X86COFF.h into include/llvm/Support/COFF.h, 
patch by Michael Spencer!

llvm-svn: 108342
 2010-07-14 18:14:33 +00:00
Fariborz Jahanian 56a9d54de8 Don't error when doing default property synthesis 
and some are already synthesized by user declaration.

llvm-svn: 108341
 2010-07-14 18:11:52 +00:00
Sebastian Redl 75fbb3b5e5 Make PCHReader cope with PCH files containing more than one predefines buffer. 
llvm-svn: 108340
 2010-07-14 17:49:11 +00:00
Jim Grosbach a90af1ba38 Improve 64-subtraction of immediates when parts of the immediate can fit 
in the literal field of an instruction. E.g.,
long long foo(long long a) {
  return a - 734439407618LL;
}

rdar://7038284

llvm-svn: 108339
 2010-07-14 17:45:16 +00:00
Douglas Gregor 9f1570d993 Only filter out names reserved for the implementation (e.g., __blah or 
_Foo) from code-completion results when they come from a system
header.

llvm-svn: 108338
 2010-07-14 17:44:04 +00:00
Dan Gohman 042523340b Delete fast-isel's trivial load optimization; it breaks debugging because 
it can look past points where a debugger might modify user variables.

llvm-svn: 108336
 2010-07-14 17:25:37 +00:00
Bob Wilson bb57896f8e Fix test to appease the buildbots. 
llvm-svn: 108334
 2010-07-14 16:43:47 +00:00
Fariborz Jahanian c0b0ced477 Consider obective-c pointer arguments as valid sentinel args 
as well. Fixes radar 7975788.

llvm-svn: 108333
 2010-07-14 16:37:51 +00:00
Bob Wilson 1aef53403f Add missing address register update to t2LDM_RET instruction. 
Patch by Brian Lucas. PR7636.

llvm-svn: 108332
 2010-07-14 16:02:13 +00:00
Howard Hinnant 5699358c63 Minor optimizations. Minor bug fixes. More tests. 
llvm-svn: 108331
 2010-07-14 15:45:11 +00:00
Duncan Sands 7a68cd094b Rather than using an ifdef on the target to zero out fields, 
just use memset to zero the entire struct.

llvm-svn: 108330
 2010-07-14 14:32:33 +00:00
Eli Friedman c4d70125ee A couple potential optimizations inspired by comment 4 in PR6773. 
llvm-svn: 108328
 2010-07-14 06:58:26 +00:00
Evan Cheng a8e8874552 Fix for PR7193 was overly conservative. The only case where sibcall callee 
address cannot be allocated a register is in 32-bit mode where the first
three arguments are marked inreg. In that case EAX, EDX, and ECX will be
used for argument passing.

This fixes PR7610.

llvm-svn: 108327
 2010-07-14 06:44:01 +00:00
John McCall 4f3b5f302c Fix the mangling of template template arguments, which do not always 
follow <name>;  instead they follow <type>, which has <name> as a subset.

Fixes PR7446.

llvm-svn: 108326
 2010-07-14 06:43:17 +00:00
Chandler Carruth cb3b5a483f Wire up '-Wignored-qualifiers' to the warning on 'const' in 'const int f()'. 
This flag and warning match GCC semantics. Also, move it to -Wextra as this is
a largely cosmetic issue and doesn't seem to mask problems. Subsequent fixes to
the tests which no longer by default emit the warning. Added explicit test
cases for both C and C++ behavior with the warning turned on.

llvm-svn: 108325
 2010-07-14 06:36:18 +00:00
Bob Wilson bad47f62f6 Add support for NEON VMVN immediate instructions. 
llvm-svn: 108324
 2010-07-14 06:31:50 +00:00
Bob Wilson bd54a53628 The bits in the cmode field of 32-bit VMOV immediate instructions all depend 
of the value of the immediate.

llvm-svn: 108323
 2010-07-14 06:30:44 +00:00
Chris Lattner ec0e7b1643 revert r108320, I see the failures now... 
llvm-svn: 108322
 2010-07-14 06:16:35 +00:00
Chris Lattner 658680b2f5 reapply benjamin's instcombine patch, I don't see anything wrong with it and can't repro any problems with a manual self-host. 
llvm-svn: 108320
 2010-07-14 05:59:13 +00:00
Evan Cheng c893115312 Re-enable the test with fix. 
llvm-svn: 108319
 2010-07-14 05:49:23 +00:00
Douglas Gregor 261793bb73 Add test case that was causing an infinite loop when reading PCH files. The test works with ToT Clang already 
llvm-svn: 108318
 2010-07-14 04:45:33 +00:00
John McCall afe20780ee Remove a few mangling FIXMEs: 
- TSTs whose template is a template template parameter already work
 - we don't provide an imaginary type, so we can't mangle one
 - we don't need a generic FIXME for vendor type qualifiers

llvm-svn: 108317
 2010-07-14 04:38:21 +00:00
John McCall 05ddbb80d2 Implement the standard mangling for array-subscript expressions, and implement 
the current proposals from David Vandervoorde for new, delete, throw, typeid,
imaginary literals, string literals, and null literals.

llvm-svn: 108315
 2010-07-14 04:20:34 +00:00
Jim Ingham a3241c1bf5 Don't call PrepareForResume on threads that aren't going to get a chance to run this time around. 
llvm-svn: 108312
 2010-07-14 02:27:20 +00:00
Jim Ingham 9d790c5d12 Stepping through a trampoline should do "stop others" unless All Threads is requested. 
llvm-svn: 108311
 2010-07-14 02:25:06 +00:00
Chris Lattner 711338fb04 temporarily disable to test to fix buildbots. 
llvm-svn: 108310
 2010-07-14 02:21:59 +00:00
Chris Lattner 164a0775bb fix a bug found by a warning I added to clang this morning. 
llvm-svn: 108309
 2010-07-14 01:57:17 +00:00
Evan Cheng d542414945 Teach ProcessImplicitDefs to transform more COPY instructions into IMPLICIT_DEF (and subsequently eliminate them). This allows machine LICM to hoist IMPLICIT_DEF's. PR7620. 
llvm-svn: 108304
 2010-07-14 01:22:19 +00:00
Bob Wilson 103a0dcfe1 Add an ARM-specific DAG combining to avoid redundant VDUPLANE nodes. 
Radar 7373643.

llvm-svn: 108303
 2010-07-14 01:22:12 +00:00
Dan Gohman 1f471435f8 Don't propagate debug locations to instructions for materializing 
constants, since they may not be emited near the other instructions
which get the same line, and this confuses debug info.

llvm-svn: 108302
 2010-07-14 01:07:44 +00:00
Greg Clayton ec00f12a22 Fixed Xcode project to deal with recent ELF plug-in changes. 
llvm-svn: 108300
 2010-07-14 00:20:31 +00:00
Greg Clayton b132097b45 I enabled some extra warnings for hidden local variables and for hidden 
virtual functions and caught some things and did some general code cleanup.

llvm-svn: 108299
 2010-07-14 00:18:15 +00:00
Douglas Gregor c3d6cb6543 Fix typo in test program 
llvm-svn: 108298
 2010-07-14 00:09:17 +00:00
Daniel Dunbar af68a88e68 Driver/Darwin: Pass -pie/-no_pie to the linker when -fpie/-fno-pie and friends 
are explicitly given.

llvm-svn: 108297
 2010-07-13 23:31:40 +00:00
Douglas Gregor c95a41b510 Add missing testcases for lvalue bitcasts 
llvm-svn: 108296
 2010-07-13 23:27:15 +00:00
John McCall 11e577b99a Work around an obnoxious GCC warning by changing semantics in a hopefully- 
harmless way.

llvm-svn: 108295
 2010-07-13 23:19:49 +00:00
Douglas Gregor 51954276cc Introduce a new cast kind for an "lvalue bitcast", which handles 
reinterpret_casts (possibly indirectly via C-style/functional casts)
on values, e.g., 

  int i;
  reinterpret_cast<short&>(i);

The IR generated for this is essentially the same as for

  *reinterpret_cast<short*>(&i).

Fixes PR6437, PR7593, and PR7344. 

llvm-svn: 108294
 2010-07-13 23:17:26 +00:00
Stephen Wilson 11e8f3ba37 Remove our local ELF definitions and rely on llvm/Support/ELF.h instead. 
llvm-svn: 108293
 2010-07-13 23:09:42 +00:00
Stephen Wilson f325ba9d45 Combine 32 and 64 bit ELF readers. 
This patch provides a generic ELF reader plugin to handle both 32 and 64 bit
formats.

llvm-svn: 108292
 2010-07-13 23:07:23 +00:00
Nick Lewycky cb89a2a150 Add __builtin_snprintf. 
llvm-svn: 108290
 2010-07-13 22:35:05 +00:00
Greg Clayton b6f75dfd96 Removed unused variable "log". 
Fixed the llvm build for Mac OS X builds to look in llvm/lib/Release+Asserts 
output directory for all configurations (Debug, Release, BuildAndIntegration).

llvm-svn: 108289
 2010-07-13 22:26:45 +00:00
John McCall 5c0e69ef0e Switch the __cxa_rethrow cleanup to be lazy. 
llvm-svn: 108288
 2010-07-13 22:24:23 +00:00
John McCall 5c08ab956b Allow for the possibility that __cxa_end_catch might throw for a catch-all block 
or a catch of a record type by value or reference.  Also convert this to a
lazy cleanup.

llvm-svn: 108287
 2010-07-13 22:12:14 +00:00
Bruno Cardoso Lopes 6c6c14a55c Add AVX 256-bit compare instructions and a bunch of testcases 
llvm-svn: 108286
 2010-07-13 22:06:38 +00:00
Greg Clayton f6cc9dde46 Updated to latest llvm from July 13th, 2010 at 13:00. 
llvm-svn: 108285
 2010-07-13 22:06:06 +00:00