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Author SHA1 Message Date
Chris Lattner d27b05e54a give better error diagnostics, for example: 
t.s:1:14: error: invalid operand for instruction
vldr.64	d17, [r0]   
       	     ^

instead of:

t.s:1:1: error: unrecognized instruction
vldr.64	d17, [r0]   
^

llvm-svn: 117611
 2010-10-28 21:41:58 +00:00
Chris Lattner f20f79808e hook up getOpcodeName for ARM so that "llc -show-mc-inst" includes 
the opcode string in the inst dump, e.g.:
	vmov	r2, r3, d17             @ encoding: [0x31,0x2b,0x53,0xec]
                                        @ <MCInst #989 VMOVRRD
                                        @  <MCOperand Reg:68>
                                        @  <MCOperand Reg:69>
                                        @  <MCOperand Reg:19>
                                        @  <MCOperand Imm:14>
                                        @  <MCOperand Reg:0>>

The "VMOVRRD" is new.

llvm-svn: 117609
 2010-10-28 21:37:33 +00:00
Rafael Espindola 8aefb66376 Improvements to .section parsing: 
* If we have a M or a G, reject sections without the type
* Only parse the flag specific arguments if we have M or G
* Parse the corresponding arguments for M and G

We ignore the G arguments and flag for now.

llvm-svn: 117608
 2010-10-28 21:33:33 +00:00
Chris Lattner 327a61423b most simple arm instructions match correctly now, 
it looks like we're not handling [] operands though

llvm-svn: 117607
 2010-10-28 21:31:07 +00:00
Chris Lattner 1be0697ab9 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 9487de6160 move a method out of line. 
llvm-svn: 117605
 2010-10-28 21:28:01 +00:00
Chris Lattner 9f9f4ebf0c remove the rest of hte owningptr's, no functionality change. 
llvm-svn: 117603
 2010-10-28 20:52:15 +00:00
Jakob Stoklund Olesen dc5e7065a4 One day, physical register live ranges will be sensible. 
llvm-svn: 117602
 2010-10-28 20:44:22 +00:00
Devang Patel 9268658646 Fix indentation. 
llvm-svn: 117601
 2010-10-28 20:41:11 +00:00
Jakob Stoklund Olesen c9f90c2a32 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 e172a8b794 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 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