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Author SHA1 Message Date
Chris Lattner
bd838d16e5 fix the asmmatcher generator to handle targets with no RegisterPrefix 
(like ARM) correctly.  With this change, we can now match "bx lr"
because we recognize lr as a register.

llvm-svn: 117606
 2010-10-28 21:28:42 +00:00
Chris Lattner
4210ffb9c5 move a method out of line. 
llvm-svn: 117605
 2010-10-28 21:28:01 +00:00
Chris Lattner
b6c7a9e204 remove the rest of hte owningptr's, no functionality change. 
llvm-svn: 117603
 2010-10-28 20:52:15 +00:00
Jakob Stoklund Olesen
c570151dc2 One day, physical register live ranges will be sensible. 
llvm-svn: 117602
 2010-10-28 20:44:22 +00:00
Devang Patel
c40ecb9302 Fix indentation. 
llvm-svn: 117601
 2010-10-28 20:41:11 +00:00
Jakob Stoklund Olesen
ccbfbefd93 Replace SplitKit SSA update with an iterative algorithm very similar to the one 
in SSAUpdaterImpl.h

Verifying live intervals revealed that the old method was completely wrong, and
we need an iterative approach to calculating PHI placemant. Fortunately, we have
MachineDominators available, so we don't have to compute that over and over
like SSAUpdaterImpl.h must.

Live-out values are cached between calls to mapValue() and computed in a greedy
way, so most calls will be working with very small block sets.

Thanks to Bob for explaining how this should work.

llvm-svn: 117599
 2010-10-28 20:34:52 +00:00
Jakob Stoklund Olesen
6f4262448e Make MachineDominators available for SplitEditor. We are going to need it for 
proper SSA updating.

This doesn't cause MachineDominators to be recomputed since we are already
requiring MachineLoopInfo which uses dominators as well.

llvm-svn: 117598
 2010-10-28 20:34:50 +00:00
Jakob Stoklund Olesen
35f9c58245 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
d512ed689c 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
504232300c Backward compatibility. Gracefully handle older versions of debug info. 
llvm-svn: 117595
 2010-10-28 20:08:13 +00:00
Rafael Espindola
b562975139 Add support for the .string directive. 
llvm-svn: 117592
 2010-10-28 20:02:27 +00:00
Devang Patel
a496603faf 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
552a3a845c Fix indentation. 
llvm-svn: 117586
 2010-10-28 19:40:13 +00:00
Rafael Espindola
f230319275 Defined weak symbols should have non-zero value. 
llvm-svn: 117585
 2010-10-28 19:39:57 +00:00
Mikhail Glushenkov
8988adb7db llvmc: Make ExecuteProgram() look in the driver directory first. 
llvm-svn: 117584
 2010-10-28 19:33:08 +00:00
Mikhail Glushenkov
7ee0f678cb Remove an unnecessary check and an unnecessary temporary. 
llvm-svn: 117583
 2010-10-28 19:33:04 +00:00
Mikhail Glushenkov
b727c53cff 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
e2c628c84f Trailing whitespace. 
llvm-svn: 117581
 2010-10-28 19:32:53 +00:00
Mikhail Glushenkov
6aa7a4c180 80-col violations. 
llvm-svn: 117580
 2010-10-28 19:32:47 +00:00
Devang Patel
dcabf6f76a 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
862d688cbd Fix relocations with renamed symbols. 
llvm-svn: 117575
 2010-10-28 19:08:03 +00:00
Benjamin Kramer
fbfb8cf5f8 Reduce malloc thrashing. 
llvm-svn: 117572
 2010-10-28 18:41:23 +00:00
Jim Grosbach
d02c1c7d77 PLD, PLDW, PLI encodings, plus refactor their use of addrmode2. 
llvm-svn: 117571
 2010-10-28 18:34:10 +00:00
Rafael Espindola
e62cf892ae 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
0e43a2d84f Technically DIFile scope should also be handled here. 
llvm-svn: 117563
 2010-10-28 17:30:52 +00:00
Chris Lattner
0a21ad2553 rearrange ParseRegisterList. 
llvm-svn: 117560
 2010-10-28 17:23:41 +00:00
Chris Lattner
a9c0f00f10 refactor some code to simplify it, eliminating some owningptr's. 
llvm-svn: 117559
 2010-10-28 17:20:03 +00:00
Bob Wilson
65124cd7c7 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
2aedee6ff2 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
8555f153e9 Implement .equ directive as a synonym to .set. 
llvm-svn: 117553
 2010-10-28 16:22:58 +00:00
Duncan Sands
60f016b0f9 Testcase for PR8494 (invalid bitcode crashing the bitcode reader). 
llvm-svn: 117552
 2010-10-28 15:57:30 +00:00
Duncan Sands
eccf0b18a5 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
ff7e4e4e43 Implement R_X86_64_DTPOFF32. 
llvm-svn: 117548
 2010-10-28 15:11:03 +00:00
Rafael Espindola
1d1ff5485c Implement TLSLD. 
llvm-svn: 117547
 2010-10-28 15:02:40 +00:00
Rafael Espindola
8372247e83 Implement DTPOFF. 
llvm-svn: 117546
 2010-10-28 14:48:59 +00:00
Oscar Fuentes
884f6a3c67 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
c44c5b374a Implement TLSLDM. 
llvm-svn: 117544
 2010-10-28 14:37:09 +00:00
Rafael Espindola
d8ef67f8b9 Implement VK_GOTNTPOFF and switch RelocNeedsGOT to use VariantKind. 
llvm-svn: 117543
 2010-10-28 14:22:44 +00:00
Mikhail Glushenkov
4bf08b3a06 Reindent. 
llvm-svn: 117538
 2010-10-28 08:25:44 +00:00
Evan Cheng
bc4588c439 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
72be097417 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
b89aaebdde 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
3995a53b8d 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
a5367549b9 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
fdc80a0316 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
5c358e02ea - 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
a07cd58978 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
b78530f9b0 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
e75f7c5419 Add correct NEON encodings for vtbl and vtbx. 
llvm-svn: 117513
 2010-10-28 00:18:46 +00:00
Owen Anderson
008116cb71 Add correct NEON encodings for vext, vtrn, vuzp, and vzip. 
llvm-svn: 117512
 2010-10-27 23:56:39 +00:00