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750 Commits

Author SHA1 Message Date
Owen Anderson
e54c4beb5a Don't attach annotations to MCInst's. Instead, have the disassembler return, and the printer accept, an annotation string which can be passed through if the client cares about annotations. 
llvm-svn: 139876
 2011-09-15 23:38:46 +00:00
Owen Anderson
84d4e5d0e2 Add support for stored annotations to MCInst, and provide facilities for MC-based InstPrinters to print them out. Enhance the ARM and X86 InstPrinter's to do so in verbose mode. 
llvm-svn: 139820
 2011-09-15 18:36:29 +00:00
Jim Grosbach
36d319e831 Move state var to private class member. 
llvm-svn: 139697
 2011-09-14 16:37:04 +00:00
Kevin Enderby
4a91571f82 First step in supporting #line directives in assembler. This step parses the 
#line directives with the needed support in the lexer.  Next will be to build
a simple file/line# table mapping source SMLoc's for later use by diagnostics.
And the last step will be to get the diagnostics to use the mapping for file
and line numbers.

llvm-svn: 139669
 2011-09-13 23:45:18 +00:00
James Molloy
f781d3d8e9 Refactor instprinter and mcdisassembler to take a SubtargetInfo. Add -mattr= handling to llvm-mc. Reviewed by Owen Anderson. 
llvm-svn: 139237
 2011-09-07 17:24:38 +00:00
Duncan Sands
33f33411e8 Darwin wants ctors/dtors to be ordered the other way round to linux. 
llvm-svn: 139015
 2011-09-02 18:07:19 +00:00
Benjamin Kramer
bd939ad83e Don't drop alignment info on local common symbols. 
- On COFF the .lcomm directive has an alignment argument.
- On ELF we fall back to .local + .comm

Based on a patch by NAKAMURA Takumi.

Fixes PR9337, PR9483 and PR10128.

llvm-svn: 138976
 2011-09-01 23:04:27 +00:00
Jeffrey Yasskin
8f36e758c2 Fix C++0x narrowing errors when char is unsigned. 
In the case of EDInstInfo, this would actually cause a bug when -1 became 255
and was then compared >=0 in llvm-mc/Disassembler.cpp.

llvm-svn: 138825
 2011-08-30 20:53:29 +00:00
Evan Cheng
91aa81acaa Follow up to r138791. 
Add a instruction flag: hasPostISelHook which tells the pre-RA scheduler to
call a target hook to adjust the instruction. For ARM, this is used to
adjust instructions which may be setting the 's' flag. ADC, SBC, RSB, and RSC
instructions have implicit def of CPSR (required since it now uses CPSR physical
register dependency rather than "glue"). If the carry flag is used, then the
target hook will *fill in* the optional operand with CPSR. Otherwise, the hook
will remove the CPSR implicit def from the MachineInstr.

llvm-svn: 138810
 2011-08-30 19:09:48 +00:00
Jim Grosbach
a1aa6a2e8b Thumb2 parsing and encoding for IT blocks. 
llvm-svn: 138773
 2011-08-29 22:24:09 +00:00
Jim Grosbach
a5a8e59643 Tidy up. 80 columns. 
llvm-svn: 138750
 2011-08-29 18:22:04 +00:00
Evan Cheng
ed13551c1d Some refactoring so TargetRegistry.h no longer has to include any files 
from MC.

llvm-svn: 138367
 2011-08-23 20:15:21 +00:00
Benjamin Kramer
48f01f6a77 Add an MCInstrAnalysis version of isCall. 
llvm-svn: 138305
 2011-08-22 23:41:41 +00:00
Owen Anderson
3146968039 Allow the MCDisassembler to return a "soft fail" status code, indicating an instruction that is disassemblable, but invalid. Only used for ARM UNPREDICTABLE instructions at the moment. 
Patch by James Molloy.

llvm-svn: 137830
 2011-08-17 17:44:15 +00:00
Jim Grosbach
a9a0c62719 Remove unused Target argument from AsmParser construction methods. 
The argument is unused, and is a layering violation in any case.

llvm-svn: 137735
 2011-08-16 18:33:49 +00:00
Jim Grosbach
095a0ae3f3 Remove unused forward declaration. 
llvm-svn: 137734
 2011-08-16 18:31:36 +00:00
Jim Grosbach
445c83b31e Tidy up. Trailing whitespace. 
llvm-svn: 137721
 2011-08-16 16:38:17 +00:00
Rafael Espindola
697b91ccef Remove unimplemented method. Fixes PR10658. 
Thanks to Jonas Gafele for noticing.

llvm-svn: 137716
 2011-08-16 13:53:50 +00:00
Jim Grosbach
31c0c9a1f6 MCTargetAsmParser target match predicate support. 
Allow a target assembly parser to do context sensitive constraint checking
on a potential instruction match. This will be used, for example, to handle
Thumb2 IT block parsing.

llvm-svn: 137675
 2011-08-15 23:03:29 +00:00
Jim Grosbach
bc7725aa09 Move MatchResultTy enum into base class definition. 
No need for it to be redefined as part of every derived target asm parser
class.

llvm-svn: 137649
 2011-08-15 20:53:08 +00:00
Jim Grosbach
1ae038c9c5 Tidy up trailing whitespace. 
llvm-svn: 137619
 2011-08-15 17:30:25 +00:00
Benjamin Kramer
3490c59cda Pacify virtual dtor warnings and cmake buildbots. 
llvm-svn: 137060
 2011-08-08 19:09:02 +00:00
Benjamin Kramer
8c3f23ec80 Add MCInstrAnalysis class. This allows the targets to specify own versions of MCInstrDescs functions. 
- Add overrides for ARM.
- Teach llvm-objdump to use this instead of plain MCInstrDesc.

llvm-svn: 137059
 2011-08-08 18:56:44 +00:00
Owen Anderson
2331040816 Add accessors for manipulating an MCInst's operands. 
llvm-svn: 136818
 2011-08-03 21:52:15 +00:00
Rafael Espindola
cefc38659a Assume .cfi_startproc is the first thing in a function. If the function is 
externally visable, create a local symbol to use in the CFE. If not, use the
function label itself.

Fixes PR10420.

llvm-svn: 136716
 2011-08-02 20:24:22 +00:00
Owen Anderson
4ee266955a Add a clear() operation to MCInst, to drop all of its operands. Useful for the disassembler, where we may realize fairly late into decoding that something is wrong and need to reset. 
llvm-svn: 136634
 2011-08-01 18:43:18 +00:00
Evan Cheng
bff9934d9a Support .code32 and .code64 in X86 assembler. 
llvm-svn: 136197
 2011-07-27 00:38:12 +00:00
Evan Cheng
2e96785311 Rename TargetAsmParser to MCTargetAsmParser and TargetAsmLexer to MCTargetAsmLexer; rename createAsmLexer to createMCAsmLexer and createAsmParser to createMCAsmParser. 
llvm-svn: 136027
 2011-07-26 00:24:13 +00:00
Evan Cheng
2a0a4e1a73 Rename TargetAsmBackend to MCAsmBackend; rename createAsmBackend to createMCAsmBackend. 
llvm-svn: 136010
 2011-07-25 23:24:55 +00:00
Evan Cheng
58e5fd1f16 Fix include guards. 
llvm-svn: 135998
 2011-07-25 22:52:04 +00:00
Benjamin Kramer
40ed4c3e06 Fix a silly off by one. 
llvm-svn: 135842
 2011-07-23 03:04:46 +00:00
Benjamin Kramer
35d7f76497 Add more constness. 
llvm-svn: 135838
 2011-07-23 01:40:15 +00:00
Benjamin Kramer
a1e84a1998 Turn the DenseSet in MCRegisterClass into a tblgenerated bit field. This should be faster and smaller. 
Goodbye static ctors and dtors!

llvm-svn: 135836
 2011-07-23 00:47:49 +00:00
Evan Cheng
13d54fc7c9 Move TargetAsmParser.h TargetAsmBackend.h and TargetAsmLexer.h to MC where they belong. 
llvm-svn: 135833
 2011-07-23 00:45:41 +00:00
Bill Wendling
2eea7949c2 Add a method to get the list of FrameInfos. 
llvm-svn: 135805
 2011-07-22 21:16:32 +00:00
Benjamin Kramer
eca22965a3 Teach tblgen to emit MCRegisterClasses. 
- This currently introduces more instances of the static DenseSet dtor, but that should be fixable.

llvm-svn: 135735
 2011-07-22 00:44:39 +00:00
Benjamin Kramer
727a49e530 Sink parts of TargetRegisterClass into MCRegisterClass. 
llvm-svn: 135683
 2011-07-21 17:26:50 +00:00
Evan Cheng
c9bc5a9011 Goodbye TargetAsmInfo. This eliminate last bit of CodeGen and Target in llvm-mc. 
There is still a bit more refactoring left to do in Targets. But we are now very
close to fixing all the layering issues in MC.

llvm-svn: 135611
 2011-07-20 19:50:42 +00:00
Evan Cheng
55d7fcc5f7 - Move CodeModel from a TargetMachine global option to MCCodeGenInfo. 
- Introduce JITDefault code model. This tells targets to set different default
  code model for JIT. This eliminates the ugly hack in TargetMachine where
  code model is changed after construction.

llvm-svn: 135580
 2011-07-20 07:51:56 +00:00
Evan Cheng
380dc98371 Add MCObjectFileInfo and sink the MCSections initialization code from 
TargetLoweringObjectFileImpl down to MCObjectFileInfo.

TargetAsmInfo is done to one last method. It's *almost* gone!

llvm-svn: 135569
 2011-07-20 05:58:47 +00:00
Evan Cheng
bfc0cac54d Introduce MCCodeGenInfo, which keeps information that can affect codegen 
(including compilation, assembly). Move relocation model Reloc::Model from
TargetMachine to MCCodeGenInfo so it's accessible even without TargetMachine.

llvm-svn: 135468
 2011-07-19 06:37:02 +00:00
Bill Wendling
6211e2602f Add a method to set compact unwind encoding information in a frame. 
llvm-svn: 135449
 2011-07-19 00:01:42 +00:00
Bill Wendling
408386e3ef Add a field for the compact unwind encoding. 
llvm-svn: 135446
 2011-07-19 00:00:05 +00:00
Evan Cheng
10c6820ff4 Move getInitialFrameState from TargetFrameInfo to MCAsmInfo (suggestions for 
better location welcome).

llvm-svn: 135438
 2011-07-18 22:29:13 +00:00
Evan Cheng
561d71ce7b Sink getDwarfRegNum, getLLVMRegNum, getSEHRegNum from TargetRegisterInfo down 
to MCRegisterInfo. Also initialize the mapping at construction time.

This patch eliminate TargetRegisterInfo from TargetAsmInfo. It's another step
towards fixing the layering violation.

llvm-svn: 135424
 2011-07-18 20:57:22 +00:00
Evan Cheng
1ae06d95e0 Move some parts of TargetAsmInfo down to MCAsmInfo. This is not the greatest 
solution but it is a small step towards removing the horror that is
TargetAsmInfo.

llvm-svn: 135237
 2011-07-15 02:09:41 +00:00
Benjamin Kramer
25ffda4d8a Add a new field to MCOperandInfo that contains information about the type of the Operand. 
- The actual values are from the MCOI::OperandType enum.
- Teach tblgen to read it from the instruction definition.
- This is a better implementation of the hacks in edis.

llvm-svn: 135197
 2011-07-14 21:47:18 +00:00
Evan Cheng
3d2be55d6c Unfortunately several files in MC are badly violating layering rule by using 
TargetAsmInfo, which in turn pulls in TargetRegisterInfo, etc. :-( There are
other cases of violations, but this is probably the worst.

This patch is but one small step towards fixing this. 500 more steps to go. :-(

llvm-svn: 135131
 2011-07-14 05:43:07 +00:00
Owen Anderson
c68f12ff30 Add a target-indepedent entry to MCInstrDesc to describe the encoded size of an opcode. Switch ARM over to using that rather than its own special MCInstrDesc bits. 
llvm-svn: 135106
 2011-07-13 23:22:26 +00:00
Jim Grosbach
e0fc4019f9 Update MCParsedAsmOperand debug methods. 
Update the debug output interface for MCParsedAsmOperand to have a print()
method which takes an output stream argument, an << operator which invokes
the print method using the given stream, and a dump() method which prints
the operand to the dbgs() stream. This makes the interface more consistent
with the rest of LLVM, and more convenient to use at the debugger command
line.

llvm-svn: 135043
 2011-07-13 15:34:57 +00:00