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Author SHA1 Message Date
Benjamin Kramer
2dd05a53d3 DWARF: Fail gracefully when encountering unknown values in an abbrev. 
llvm-svn: 139777
 2011-09-15 04:00:58 +00:00
Nick Lewycky
4b85977895 Give structs with virtual methods a virtual destructor. 
llvm-svn: 139776
 2011-09-15 03:41:51 +00:00
Benjamin Kramer
8f332f8767 DWARF: Silence GCC -Wsign-compare warning. 
llvm-svn: 139775
 2011-09-15 03:20:04 +00:00
Benjamin Kramer
551244d899 DWARF: Fix indentation. 
llvm-svn: 139774
 2011-09-15 03:11:09 +00:00
Benjamin Kramer
8013b8f7e0 DWARF: Include <algorithm> explicitly. 
llvm-svn: 139773
 2011-09-15 02:19:33 +00:00
Benjamin Kramer
ceca872d69 DWARF: Add basic support for line tables. 
The llvm-dwarfdump output isn't very verbose yet.

llvm-svn: 139771
 2011-09-15 02:12:05 +00:00
Eli Friedman
2109f34467 Make demanded-elt simplification for shufflevector slightly stronger. Spotted by inspection. 
llvm-svn: 139768
 2011-09-15 01:14:29 +00:00
Andrew Trick
e5bb7267ff [regcoalescing] bug fix for RegistersDefinedFromSameValue. 
An improper SlotIndex->VNInfo lookup was leading to unsafe copy removal.
Fixes PR10920 401.bzip2 miscompile with no IV rewrite.

llvm-svn: 139765
 2011-09-15 01:09:33 +00:00
Eli Friedman
7cb90dcbce Fix the code creating VZEXT_LOAD so that it creates the right memoperand. Issue spotted in -debug output. I can't think of any practical effects at the moment, but it might matter if we start doing more aggressive alias analysis in CodeGen. 
llvm-svn: 139758
 2011-09-14 23:42:45 +00:00
Jim Grosbach
68de69f1c9 Thumb2 assembly parsing and encoding for PLI. 
llvm-svn: 139757
 2011-09-14 23:29:05 +00:00
Jim Grosbach
4d7b859fab Thumb2 assembly parsing and encoding for PLD. 
llvm-svn: 139756
 2011-09-14 23:26:12 +00:00
Douglas Gregor
66d5bb28aa Update the comment for system_temp_directory() to indicate when it 
will ignore the erasedOnReboot option, and properly escape the
backslash in "C:\TEMP". Thanks to Aaron and Francois.

llvm-svn: 139755
 2011-09-14 23:21:47 +00:00
Jim Grosbach
669e269758 Thumb2 assembly parsing and encoding for PKH. 
llvm-svn: 139754
 2011-09-14 23:16:41 +00:00
Jim Grosbach
c1475b0f3f ARMv7a has the PKH instructions. 
llvm-svn: 139753
 2011-09-14 23:16:34 +00:00
Devang Patel
e5dc3a1f1e Add support to emit debug info for C++0x nullptr type. 
llvm-svn: 139751
 2011-09-14 23:13:28 +00:00
Jim Grosbach
1a4f264f52 ARM tighten up the register classes for the PKH instructions. 
llvm-svn: 139748
 2011-09-14 22:52:14 +00:00
Owen Anderson
86f1fb2955 Fix a crasher in Thumb2 MOV-immediate encoding for certain inputs. 
llvm-svn: 139747
 2011-09-14 22:46:14 +00:00
Bill Wendling
7694b6d655 Include limits.h to make sure PATH_MAX is known on Solaris 10. 
Patch by Joakim Johansson!

llvm-svn: 139743
 2011-09-14 21:49:42 +00:00
Jim Grosbach
3908f7f2b7 Thumb2 assembly parsing and encoding for ORR. 
llvm-svn: 139742
 2011-09-14 21:43:57 +00:00
Jim Grosbach
4d891badcb Thumb2 assembly parsing and encoding for ORN. 
llvm-svn: 139741
 2011-09-14 21:29:54 +00:00
Jim Grosbach
528142a13d Thumb2 assembly parsing and encoding for NOP.W. 
llvm-svn: 139740
 2011-09-14 21:26:25 +00:00
Jim Grosbach
e841adae12 Thumb2 assembly parsing and encoding for MVN. 
llvm-svn: 139739
 2011-09-14 21:24:41 +00:00
Owen Anderson
04d8803035 Nested IT blocks are UNPREDICTABLE. Mark them as such when disassembling them. 
llvm-svn: 139736
 2011-09-14 21:06:21 +00:00
Jim Grosbach
585e3c779f Thumb2 assembly parsing and encoding for MUL. 
llvm-svn: 139735
 2011-09-14 21:00:40 +00:00
Benjamin Kramer
00648a5c53 DWARF: Generate the address lookup table from the DIE tree if .debug_aranges is not available. 
Ported from LLDB.

llvm-svn: 139732
 2011-09-14 20:52:27 +00:00
Douglas Gregor
96b7e66374 Add a simple routine to determine the typical system directory for 
temporary data. 

llvm-svn: 139725
 2011-09-14 20:27:01 +00:00
Jim Grosbach
b1c70aab3e Thumb2 assembly parsing and encoding for MSR/MRS. 
Fix a bug in handling default flags for both ARM and Thumb encodings.

llvm-svn: 139721
 2011-09-14 20:03:46 +00:00
Jim Grosbach
e260140b99 Thumb2 assembly parsing and encoding for MRC/MRC2/MRRC/MRRC2. 
llvm-svn: 139717
 2011-09-14 19:28:49 +00:00
Jim Grosbach
807e68b8db Thumb2 assembly parsing and encoding for MOVT. 
llvm-svn: 139715
 2011-09-14 19:15:15 +00:00
Jim Grosbach
932d409524 Thumb2 assembly parsing for MOV in IT block. 
Select the right 16 vs. 32 bit encoding in an IT block.

llvm-svn: 139714
 2011-09-14 19:12:11 +00:00
Benjamin Kramer
3f753c2372 DWARF: Reorder fields to reduce padding. 
llvm-svn: 139712
 2011-09-14 18:34:47 +00:00
Dan Gohman
f4d52b917e Don't mark objc_retainBlock as nounwind. It calls user copy constructors 
which could theoretically throw.

llvm-svn: 139710
 2011-09-14 18:33:34 +00:00
Dan Gohman
223fdfc56f objc_retainBlock is not NoModRef because it can update forwarding pointers 
in memory relevant to the optimizer. rdar://10050579.

llvm-svn: 139708
 2011-09-14 18:13:00 +00:00
Jim Grosbach
41c8bdfdd9 ARM fix assembly parser handling of ranges in register lists. 
Clean up register list handling in general a bit to explicitly check things
like all the registers being from the same register class.

rdar://8883573

llvm-svn: 139707
 2011-09-14 18:08:35 +00:00
Benjamin Kramer
fd97743d22 DWARF: Improve indentation of DIE dumping so it's easier to see the structure. 
llvm-svn: 139705
 2011-09-14 17:54:56 +00:00
Jakob Stoklund Olesen
44b1ea8bae Ignore the cloning of unknown registers. 
THe LRE_DidCloneVirtReg callback may be called with vitual registers
that RAGreedy doesn't even know about yet.  In that case, there are no
data structures to update.

llvm-svn: 139702
 2011-09-14 17:34:37 +00:00
Benjamin Kramer
b08f6dc724 llvm-dwarfdump: Make the "is debug info section" heuristic stricter so it doesn't accidentaly picks up the wrong section. 
Also add some validation code to the aranges section parser.

Fixes PR10926.

llvm-svn: 139701
 2011-09-14 17:28:13 +00:00
Akira Hatanaka
e74b377e20 Add comment. 
llvm-svn: 139699
 2011-09-14 17:22:51 +00:00
Jakob Stoklund Olesen
2f94c01c12 Hoist back-copies to the least busy dominator. 
When a back-copy is hoisted to the nearest common dominator, keep
looking up the dominator tree for a less loopy dominator, and place the
back-copy there instead.

Don't do this when a single existing back-copy dominates all the others.
Assume the client knows what he is doing, and keep the dominating
back-copy.

This prevents us from hoisting back-copies into loops in most cases.  If
a value is defined in a loop with multiple exits, we may still hoist
back-copies into that loop.  That is the speed/size tradeoff.

llvm-svn: 139698
 2011-09-14 16:45:39 +00:00
Jim Grosbach
36d319e831 Move state var to private class member. 
llvm-svn: 139697
 2011-09-14 16:37:04 +00:00
Douglas Gregor
8c0777c5f3 Add APInt support for converting to/from hexatridecimal strings 
llvm-svn: 139695
 2011-09-14 15:54:46 +00:00
Nadav Rotem
8e3edccebe Add integer promotion support for vselect 
llvm-svn: 139692
 2011-09-14 14:42:15 +00:00
Craig Topper
60719c7bfb Fix mem type for VEX.128 form of VROUNDP*. Remove filter preventing VROUND from being recognized by disassembler. 
llvm-svn: 139691
 2011-09-14 06:41:26 +00:00
Craig Topper
25e81ae604 Make disassembling of VBLEND* print immediate as a XMM/YMM register name. Fixes PR10917. 
llvm-svn: 139690
 2011-09-14 05:55:28 +00:00
Craig Topper
d707457c41 Add test case for PR10851. 
llvm-svn: 139689
 2011-09-14 04:36:54 +00:00
Bruno Cardoso Lopes
33c057e094 One more patch towards JIT support for Mips. 
- Add TSFlags for the instruction formats. The idea here is to use
  as much encoding as possible from getBinaryCodeForInstr, and having
  TSFLags formats for that would make it easier to encode most part
  of the instructions (since Mips encodings are pretty straightforward)
- Improve the mips mechanism for compilation callback
- Add Mips specific code for invalidating the instruction cache
- Next patch will address wrong tablegen encoding

Commit msg added by my own but the patch is from Sasa Stankovic.

llvm-svn: 139688
 2011-09-14 03:00:41 +00:00
Bruno Cardoso Lopes
27a7ace4b4 Teach the foldable tables about 128-bit AVX instructions and make the 
alignment check for 256-bit classes more strict. There're no testcases
but we catch more folding cases for AVX while running single and multi
sources in the llvm testsuite.

Since some 128-bit AVX instructions have different number of operands
than their SSE counterparts, they are placed in different tables.

256-bit AVX instructions should also be added in the table soon. And
there a few more 128-bit versions to handled, which should come in
the following commits.

llvm-svn: 139687
 2011-09-14 02:36:58 +00:00
Bruno Cardoso Lopes
3e6b9661d1 Vector shuffle mask <i32 4, i32 5, i32 2, i32 3> should yield "movsd", not "movss". 
llvm-svn: 139686
 2011-09-14 02:36:14 +00:00
Benjamin Kramer
a7b727b0bf Don't rely in <algorithm> being pulled in transitively. 
llvm-svn: 139684
 2011-09-14 01:27:48 +00:00
Benjamin Kramer
52607b3842 Object: make the following changes into SymbolRef 
- Add enum SymbolType and function getSymbolType()
- Add function isGlobal() - it's returns true for symbols that can be used in another objects, such as library functions.
- Rename function getAddress() to getOffset() and add new function getAddress(), because currently getAddress() returns section offset of symbol first byte. new getAddress() return symbol address.
- Change usage SymbolRef::getAddress() to getOffset() in tools/llvm-nm and tools/llvm-objdump.

Patch by Danil Malyshev!

llvm-svn: 139683
 2011-09-14 01:22:52 +00:00