Commit Graph

737 Commits

Author SHA1 Message Date
Owen Anderson
83e3f67fb6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17 17:44:15 +00:00
Jim Grosbach
1b84cce77f Remove unused Target argument from AsmParser construction methods.
The argument is unused, and is a layering violation in any case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137735 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16 18:33:49 +00:00
Jim Grosbach
ac29c0af3d Remove unused forward declaration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16 18:31:36 +00:00
Jim Grosbach
0ba45d4fb3 Tidy up. Trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137721 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16 16:38:17 +00:00
Rafael Espindola
48c4c6807b Remove unimplemented method. Fixes PR10658.
Thanks to Jonas Gafele for noticing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137716 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16 13:53:50 +00:00
Jim Grosbach
19cb7f491f 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137675 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15 23:03:29 +00:00
Jim Grosbach
47a24ab4d7 Move MatchResultTy enum into base class definition.
No need for it to be redefined as part of every derived target asm parser
class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137649 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15 20:53:08 +00:00
Jim Grosbach
bb0752b040 Tidy up trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137619 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15 17:30:25 +00:00
Benjamin Kramer
08de97a5b0 Pacify virtual dtor warnings and cmake buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137060 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-08 19:09:02 +00:00
Benjamin Kramer
41ab14b725 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-08 18:56:44 +00:00
Owen Anderson
56cb3e3ccb Add accessors for manipulating an MCInst's operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136818 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03 21:52:15 +00:00
Rafael Espindola
49cb9b8886 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136716 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02 20:24:22 +00:00
Owen Anderson
423b81e692 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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136634 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01 18:43:18 +00:00
Evan Cheng
bd27f5adbd Support .code32 and .code64 in X86 assembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136197 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27 00:38:12 +00:00
Evan Cheng
94b9550a32 Rename TargetAsmParser to MCTargetAsmParser and TargetAsmLexer to MCTargetAsmLexer; rename createAsmLexer to createMCAsmLexer and createAsmParser to createMCAsmParser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136027 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-26 00:24:13 +00:00
Evan Cheng
78c10eeaa5 Rename TargetAsmBackend to MCAsmBackend; rename createAsmBackend to createMCAsmBackend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136010 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 23:24:55 +00:00
Evan Cheng
f0080016c6 Fix include guards.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135998 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 22:52:04 +00:00
Benjamin Kramer
59a4f9af0a Fix a silly off by one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:04:46 +00:00
Benjamin Kramer
71883edee2 Add more constness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 01:40:15 +00:00
Benjamin Kramer
9df8567548 Turn the DenseSet in MCRegisterClass into a tblgenerated bit field. This should be faster and smaller.
Goodbye static ctors and dtors!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135836 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:47:49 +00:00
Evan Cheng
a7cfc08ebe Move TargetAsmParser.h TargetAsmBackend.h and TargetAsmLexer.h to MC where they belong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 00:45:41 +00:00
Bill Wendling
dda1bdc962 Add a method to get the list of FrameInfos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135805 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 21:16:32 +00:00
Benjamin Kramer
8ca9a86203 Teach tblgen to emit MCRegisterClasses.
- This currently introduces more instances of the static DenseSet dtor, but that should be fixable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135735 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22 00:44:39 +00:00
Benjamin Kramer
a50c175fe3 Sink parts of TargetRegisterClass into MCRegisterClass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135683 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-21 17:26:50 +00:00
Evan Cheng
203576aa0c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135611 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20 19:50:42 +00:00
Evan Cheng
34ad6db8b9 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135580 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20 07:51:56 +00:00
Evan Cheng
e76a33b956 Add MCObjectFileInfo and sink the MCSections initialization code from
TargetLoweringObjectFileImpl down to MCObjectFileInfo.

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135569 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20 05:58:47 +00:00
Evan Cheng
439661395f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19 06:37:02 +00:00
Bill Wendling
d967578a8c Add a method to set compact unwind encoding information in a frame.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135449 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19 00:01:42 +00:00
Bill Wendling
88b976060a Add a field for the compact unwind encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135446 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19 00:00:05 +00:00
Evan Cheng
2d28617de2 Move getInitialFrameState from TargetFrameInfo to MCAsmInfo (suggestions for
better location welcome).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135438 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18 22:29:13 +00:00
Evan Cheng
0e6a052331 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18 20:57:22 +00:00
Evan Cheng
1be0e271a0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15 02:09:41 +00:00
Benjamin Kramer
5196c12e9f 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135197 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-14 21:47:18 +00:00
Evan Cheng
672b93a332 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. :-(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135131 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-14 05:43:07 +00:00
Owen Anderson
16884415db 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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135106 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-13 23:22:26 +00:00
Jim Grosbach
b7f689bab9 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135043 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-13 15:34:57 +00:00
Evan Cheng
59ee62d241 - Eliminate MCCodeEmitter's dependency on TargetMachine. It now uses MCInstrInfo
and MCSubtargetInfo.
- Added methods to update subtarget features (used when targets automatically
  detect subtarget features or switch modes).
- Teach X86Subtarget to update MCSubtargetInfo features bits since the
  MCSubtargetInfo layer can be shared with other modules.
- These fixes .code 16 / .code 32 support since mode switch is updated in
  MCSubtargetInfo so MC code emitter can do the right thing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134884 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-11 03:57:24 +00:00
Evan Cheng
ffc0e73046 Change createAsmParser to take a MCSubtargetInfo instead of triple,
CPU, and feature string. Parsing some asm directives can change
subtarget state (e.g. .code 16) and it must be reflected in other
modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance
must be shared.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134795 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09 05:47:46 +00:00
Akira Hatanaka
3014b2f322 This patch adds a flag in MCAsmInfo that indicates whether dwarf register
numbers should be printed instead of symbolic register names in
MCAsmStreamer::EmitRegisterName. This is necessary because some versions of
GNU assembler won't accept code in which symbolic register names are used in
cfi directives. There is no change in behavior unless the flag is explicitly
set to true by a backend.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134635 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07 20:30:33 +00:00
Evan Cheng
347c50a293 Feature bits are 64-bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134607 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07 07:45:49 +00:00
Evan Cheng
0ddff1b535 Compute feature bits at time of MCSubtargetInfo initialization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134606 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07 07:07:08 +00:00
Evan Cheng
2416b89621 Add getFeatureBits to extract feature bits for a given CPU.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134298 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-02 00:43:44 +00:00
Evan Cheng
94214703d9 - Added MCSubtargetInfo to capture subtarget features and scheduling
itineraries.
- Refactor TargetSubtarget to be based on MCSubtargetInfo.
- Change tablegen generated subtarget info to initialize MCSubtargetInfo
  and hide more details from targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134257 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-01 20:45:01 +00:00
Rafael Espindola
3f9b9eb57d Fix use after free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134234 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-01 04:40:50 +00:00
Evan Cheng
e1bff38386 Switch SubtargetFeatures from std::string to StringRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134219 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-01 00:23:10 +00:00
Evan Cheng
276365dd4b Fix the ridiculous SubtargetFeatures API where it implicitly expects CPU name to
be the first encoded as the first feature. It then uses the CPU name to look up
features / scheduling itineray even though clients know full well the CPU name
being used to query these properties.

The fix is to just have the clients explictly pass the CPU name!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134127 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-30 01:53:36 +00:00
Evan Cheng
33b259f46c Indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29 21:58:37 +00:00
Evan Cheng
ab8be96fd3 Sink SubtargetFeature and TargetInstrItineraries (renamed MCInstrItineraries) into MC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29 01:14:12 +00:00
Evan Cheng
22fee2dff4 Merge XXXGenRegisterNames.inc into XXXGenRegisterInfo.inc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134024 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28 20:07:07 +00:00