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Author SHA1 Message Date
Jakob Stoklund Olesen 1005cf323d Add a temporary command line option to verify machine code after each spill or 
split.

llvm-svn: 117597
 2010-10-28 20:34:47 +00:00
Dan Gohman 47215f4e04 Revert r117582, which reverted r77396. Searching PATH for a string 
which contains slashes is inconsistent with the meaning of PATH on
Unix-type platforms, and pretty surprising.

If the user has given a specific path to execute and we can't
execute it, we should fail and say why.  (Apparently the new
posix_spawn code doesn't always say why, but that's a separate
issue.)

llvm-svn: 117596
 2010-10-28 20:34:33 +00:00
Devang Patel 9f414eee8c Backward compatibility. Gracefully handle older versions of debug info. 
llvm-svn: 117595
 2010-10-28 20:08:13 +00:00
Rafael Espindola 63760ba38e Add support for the .string directive. 
llvm-svn: 117592
 2010-10-28 20:02:27 +00:00
Devang Patel 1c75865037 Do not work too hard to find type's file info. There is a special field to record file info. 
llvm-svn: 117588
 2010-10-28 19:50:08 +00:00
Devang Patel 99811141c1 Fix indentation. 
llvm-svn: 117586
 2010-10-28 19:40:13 +00:00
Rafael Espindola 3c5a54e4b9 Defined weak symbols should have non-zero value. 
llvm-svn: 117585
 2010-10-28 19:39:57 +00:00
Mikhail Glushenkov 4b94986562 llvmc: Make ExecuteProgram() look in the driver directory first. 
llvm-svn: 117584
 2010-10-28 19:33:08 +00:00
Mikhail Glushenkov fdba1308ee Remove an unnecessary check and an unnecessary temporary. 
llvm-svn: 117583
 2010-10-28 19:33:04 +00:00
Mikhail Glushenkov d7faab5c95 Revert r77396. 
Original commit message:

    On "Unix", if Program::FindProgramByName is given a name containing
    slashes, just go with it, regardless of whether it looks like it will
    be executable. This follows the behavior of sh(1) more closely.

It's better when behaviour is consistent between platforms. This change also
makes FindExecutable() behave as expected on unix-likes (before this commit, it
used to always succeed).

llvm-svn: 117582
 2010-10-28 19:32:58 +00:00
Mikhail Glushenkov 0e9d9b51eb Trailing whitespace. 
llvm-svn: 117581
 2010-10-28 19:32:53 +00:00
Mikhail Glushenkov a90bee3ee8 80-col violations. 
llvm-svn: 117580
 2010-10-28 19:32:47 +00:00
Devang Patel 1742de5cbe Do not rely on context to find file info. It is already provided as a separate field. 
llvm-svn: 117577
 2010-10-28 19:14:28 +00:00
Rafael Espindola 29f70afbae Fix relocations with renamed symbols. 
llvm-svn: 117575
 2010-10-28 19:08:03 +00:00
Benjamin Kramer 851a994a42 Reduce malloc thrashing. 
llvm-svn: 117572
 2010-10-28 18:41:23 +00:00
Jim Grosbach 505607e4c6 PLD, PLDW, PLI encodings, plus refactor their use of addrmode2. 
llvm-svn: 117571
 2010-10-28 18:34:10 +00:00
Rafael Espindola 6cd76e63f8 Aliases defined with .symver should copy the binding of the symbols they alias. 
Move the existing patching for undefined symbols so that all the patching
is done in the same function.

llvm-svn: 117570
 2010-10-28 18:33:03 +00:00
Devang Patel c4b69051b7 Technically DIFile scope should also be handled here. 
llvm-svn: 117563
 2010-10-28 17:30:52 +00:00
Chris Lattner b24ba7be49 rearrange ParseRegisterList. 
llvm-svn: 117560
 2010-10-28 17:23:41 +00:00
Chris Lattner bd7c9fa36b refactor some code to simplify it, eliminating some owningptr's. 
llvm-svn: 117559
 2010-10-28 17:20:03 +00:00
Bob Wilson f63da12be9 Teach the DAG combiner to fold a splat of a splat. Radar 8597790. 
Also do some minor refactoring to reduce indentation.

llvm-svn: 117558
 2010-10-28 17:06:14 +00:00
Roman Divacky 41e6cebb40 Use the IDVal directly as there's no need to convert to std::string. 
Pointed out by Chris!

llvm-svn: 117557
 2010-10-28 16:57:58 +00:00
Roman Divacky fdac6365ab Implement .equ directive as a synonym to .set. 
llvm-svn: 117553
 2010-10-28 16:22:58 +00:00
Duncan Sands efb139130f Testcase for PR8494 (invalid bitcode crashing the bitcode reader). 
llvm-svn: 117552
 2010-10-28 15:57:30 +00:00
Duncan Sands 89d412a140 Fix PR8494: when reading invalid bitcode, getTypeByID may return 
a null pointer.

llvm-svn: 117551
 2010-10-28 15:47:26 +00:00
Rafael Espindola 936ba3af28 Implement R_X86_64_DTPOFF32. 
llvm-svn: 117548
 2010-10-28 15:11:03 +00:00
Rafael Espindola 2dbec3f762 Implement TLSLD. 
llvm-svn: 117547
 2010-10-28 15:02:40 +00:00
Rafael Espindola e8f08be11c Implement DTPOFF. 
llvm-svn: 117546
 2010-10-28 14:48:59 +00:00
Oscar Fuentes b1f9380cac Document LLVM_BUILD_TESTS, LLVM_INCLUDE_TESTS. New convenience target 
UnitTests for building all the unit tests.

llvm-svn: 117545
 2010-10-28 14:38:35 +00:00
Rafael Espindola 6f23eb380d Implement TLSLDM. 
llvm-svn: 117544
 2010-10-28 14:37:09 +00:00
Rafael Espindola b3b49bbc39 Implement VK_GOTNTPOFF and switch RelocNeedsGOT to use VariantKind. 
llvm-svn: 117543
 2010-10-28 14:22:44 +00:00
Mikhail Glushenkov 080d86fecc Reindent. 
llvm-svn: 117538
 2010-10-28 08:25:44 +00:00
Evan Cheng ff310737e5 Re-commit 117518 and 117519 now that ARM MC test failures are out of the way. 
llvm-svn: 117531
 2010-10-28 06:47:08 +00:00
Evan Cheng 0165e25564 Disable most of the ARM vfp / NEON MC tests. These are too fragile to be useful. 
I'll work with Jim, Owen, and Bill on an alternative testing strategy until
the assembly parser is available.

llvm-svn: 117530
 2010-10-28 06:46:17 +00:00
NAKAMURA Takumi 959807fa37 test/Transforms/SimplifyLibCalls/floor.ll: Mark as XFAIL:win32 due to lack of nearbyintf on MSVC. [PR8466] 
llvm-svn: 117529
 2010-10-28 06:46:04 +00:00
NAKAMURA Takumi a1d4430cc8 tools/llvm-shlib/Makefile: Support for FreeBSD and OpenBSD. 
Thanks to Yuri Gribov and Vladimir Kirillov!
*BSD(s) have environ(7) in CRT startup and cannot resolve "environ" at linking llvm.so.
environ(7) is used inlib/System/Unix/Program.inc.

llvm-svn: 117528
 2010-10-28 06:45:57 +00:00
Chris Lattner 15597538ae clarify that not having the ".o file writing" feature 
doesn't mean that you can't get a .o file.  Apparently
this is confusing :)

llvm-svn: 117523
 2010-10-28 02:22:02 +00:00
Evan Cheng e2c211c1b9 Revert 117518 and 117519 for now. They changed scheduling and cause MC tests to fail. Ugh. 
llvm-svn: 117520
 2010-10-28 02:00:25 +00:00
Evan Cheng ff1c862f8e - Assign load / store with shifter op address modes the right itinerary classes. 
- For now, loads of [r, r] addressing mode is the same as the
  [r, r lsl/lsr/asr #] variants. ARMBaseInstrInfo::getOperandLatency() should
  identify the former case and reduce the output latency by 1.
- Also identify [r, r << 2] case. This special form of shifter addressing mode
  is "free".

llvm-svn: 117519
 2010-10-28 01:49:06 +00:00
Evan Cheng 523fa3a2e8 Fix a major bug in operand latency computation. The use index must be adjusted 
by the number of defs first for it to match the instruction itinerary.

llvm-svn: 117518
 2010-10-28 01:46:29 +00:00
Dale Johannesen 9c3f6bf2bf Fix pastos in handling of AVX cvttsd2si, PR8491. 
Bruno, please review, but I'm pretty sure this is right.
Patch by Alex Mac!

llvm-svn: 117514
 2010-10-28 00:35:54 +00:00
Owen Anderson 2ef668840a Add correct NEON encodings for vtbl and vtbx. 
llvm-svn: 117513
 2010-10-28 00:18:46 +00:00
Owen Anderson 14be930317 Add correct NEON encodings for vext, vtrn, vuzp, and vzip. 
llvm-svn: 117512
 2010-10-27 23:56:39 +00:00
Bob Wilson 6c55007edb Fix compiler warnings about signed/unsigned comparisons. 
llvm-svn: 117511
 2010-10-27 23:49:00 +00:00
Dale Johannesen 16bb87a90e Teach InstCombine not to use Add and Neg on FP. PR 8490. 
llvm-svn: 117510
 2010-10-27 23:45:18 +00:00
Evan Cheng 59bbc545e0 Shifter ops are not always free. Do not fold them (especially to form 
complex load / store addressing mode) when they have higher cost and
when they have more than one use.

llvm-svn: 117509
 2010-10-27 23:41:30 +00:00
Evan Cheng cbdf7e874a Putting r117193 back except for the compile time cost. Rather than assuming fallthroughs uses all registers, just gather the union of all successor liveins. 
llvm-svn: 117506
 2010-10-27 23:17:17 +00:00
Jim Grosbach 338de3ee56 Refactor ARM STR/STRB instruction patterns into STR{B}i12 and STR{B}rs, like 
the LDR instructions have. This makes the literal/register forms of the
instructions explicit and allows us to assign scheduling itineraries
appropriately. rdar://8477752

llvm-svn: 117505
 2010-10-27 23:12:14 +00:00
Owen Anderson 9f371e7efa Tests for NEON encoding of vrev. 
llvm-svn: 117502
 2010-10-27 22:54:49 +00:00
Owen Anderson fadb951e5b Provide correct encodings for NEON vcvt, which has its own special immediate encoding 
for specifying fractional bits for fixed point conversions.

llvm-svn: 117501
 2010-10-27 22:49:00 +00:00