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Commit Graph

833 Commits

Author SHA1 Message Date
Craig Topper
b1b20ead88 Remove 'if' from getSuperRegisters, getSubRegisters, and getOverlaps that were added in r151038.
llvm-svn: 151246
2012-02-23 08:42:06 +00:00
Craig Topper
f1056941f6 Reorder some members in MCRegisterClass to remove padding on 64-bit builds.
llvm-svn: 151043
2012-02-21 07:36:39 +00:00
Craig Topper
24cc28c7b8 In generated RegisterInfo files, replace a pointer to the end of an array with just the size of the array to avoid relocations.
llvm-svn: 151041
2012-02-21 06:54:41 +00:00
Craig Topper
593e720da6 Merge some tables in generated RegisterInfo file. Store indices into larger table instead of pointers to reduce relocations and shrink table size on 64-bit builds. Shaves ~24K off X86MCTargetDesc.o
llvm-svn: 151038
2012-02-21 06:22:36 +00:00
David Chisnall
57bacb511d Generate the correct EH frame section types on Solaris, this time without breaking other platforms...
llvm-svn: 150819
2012-02-17 17:31:15 +00:00
David Chisnall
d237b9b330 Revert r150814. It turns out that there is a good reason for this after all...
llvm-svn: 150818
2012-02-17 16:51:02 +00:00
Richard Osborne
46a58bd8f2 Fix typo in comment.
llvm-svn: 150815
2012-02-17 16:39:47 +00:00
David Chisnall
6c7c6fe0c2 Don't lazily allocate eh_frame. We're not lazily allocating things like the LSDA, which are only used when the eh frame is used, so this lazy allocation doesn't really make sense.
Fix the type of eh_frame on Solaris so that Sun ld doesn't fail to combine them (thus making it impossible for the unwind library to find them and breaking exceptions).

llvm-svn: 150814
2012-02-17 16:32:07 +00:00
Anton Korobeynikov
5996573d4b Add support for implicit TLS model used with MS VC runtime.
Patch by Kai Nacke!

llvm-svn: 150307
2012-02-11 17:26:53 +00:00
Benjamin Kramer
44e872829d Make the EDis tables const.
llvm-svn: 150304
2012-02-11 14:51:07 +00:00
Benjamin Kramer
ba4dff0d18 Put instruction names into an indexed string table on the side, removing a pointer from MCInstrDesc.
Make them accessible through MCInstrInfo. They are only used for debugging purposes so this doesn't
have an impact on performance. X86MCTargetDesc.o goes from 630K to 461K on x86_64.

llvm-svn: 150245
2012-02-10 13:18:44 +00:00
Benjamin Kramer
005987fe7a Move the Name field in MCInstrDesc to the end, saving 8 bytes of padding per entry on x86_64.
No change on i386.

llvm-svn: 150170
2012-02-09 11:25:09 +00:00
Benjamin Kramer
b42d2a7238 Value initialize MCRegisterClasses. Not sure how could miss this during the MCTargetDesc refactor.
llvm-svn: 150076
2012-02-08 14:43:53 +00:00
Derek Schuff
f522835510 Enable streaming of bitcode
This CL delays reading of function bodies from initial parse until
materialization, allowing overlap of compilation with bitcode download.

llvm-svn: 149918
2012-02-06 22:30:29 +00:00
Craig Topper
e18a06be4d Convert assert(0) to llvm_unreachable
llvm-svn: 149849
2012-02-05 22:14:15 +00:00
Akira Hatanaka
874523adc5 Add a new MachineJumpTableInfo entry type, EK_GPRel64BlockAddress, which is
needed to emit a 64-bit gp-relative relocation entry. Make changes necessary
for emitting jump tables which have entries with directive .gpdword. This patch
does not implement the parts needed for direct object emission or JIT.

llvm-svn: 149668
2012-02-03 04:33:00 +00:00
Devang Patel
b8688eac99 Add assembler dialect attribute in asm parser which lets target specific asm parser change dialect on the fly.
llvm-svn: 149396
2012-01-31 18:14:05 +00:00
Jim Grosbach
6280a1137f Better diagnostic for malformed .org assembly directive.
Provide source line number information.

llvm-svn: 149101
2012-01-27 00:37:08 +00:00
Jim Grosbach
a3c09652c6 Add simple support for keeping MCFixup source information.
Can be used to issue more user friendly diagnostics for faulty
relocation constructs and such.

llvm-svn: 149092
2012-01-26 23:20:11 +00:00
Jim Grosbach
fbf782200a Add SourceMgr to MCContext for backend diagnostics.
llvm-svn: 149090
2012-01-26 23:20:05 +00:00
James Molloy
402abeda73 Add support for the R_ARM_TARGET1 relocation, which should be given to relocations applied to all C++ constructors and destructors.
This enables the linker to match concrete relocation types (absolute or relative) with whatever library or C++ support code is being linked against.

llvm-svn: 149057
2012-01-26 09:25:43 +00:00
Anton Korobeynikov
682b2821ce Properly emit ctors / dtors with priorities into desired sections
and let linker handle the rest.

This finally fixes PR5329

llvm-svn: 148990
2012-01-25 22:24:19 +00:00
Chandler Carruth
55876621c9 Revert r148686 (and r148694, a fix to it) due to a serious layering
violation -- MC cannot depend on CodeGen.

Specifically, the MCTargetDesc component of each target is actually
a subcomponent of the MC library. As such, it cannot depend on the
target-independent code generator, because MC itself cannot depend on
the target-independent code generator. This change moved a flag from the
ARM MCTargetDesc file ARMMCAsmInfo.cpp to the CodeGen layer in
ARMException.cpp, leaving behind an 'extern' to refer back to it. That
layering order isn't viable givin the constraints outlined above.
Commandline flags are designed to be static specifically to avoid these
types of bugs.

Fixing this is likely going to require some non-trivial refactoring.

llvm-svn: 148759
2012-01-24 00:30:17 +00:00
Rafael Espindola
9f3a003d3c Add support for .cfi_signal_frame. Fixes pr11762.
llvm-svn: 148733
2012-01-23 21:51:52 +00:00
Evgeniy Stepanov
bffa428d01 An option to selectively enable parts of ARM EHABI support.
This change adds an new value to the --arm-enable-ehabi option that
disables emitting unwinding descriptors. This mode gives a working
backtrace() without the (currently broken) exception support.

llvm-svn: 148686
2012-01-23 07:57:39 +00:00
Owen Anderson
61bdf3c55c Add a new form of MCOperand, for representing sub-instructions. This is intended for supporting bundles through the MC layer, rather than lowering them pre-MC as we currently do for Thumb2 IT blocks. Since these sub-instruction operands hold pointers to the sub-instructions, it is the responsibility of the target's AsmPrinter to provide storage for them for the duration of the EmitInstruction() call.
llvm-svn: 148492
2012-01-19 19:24:37 +00:00
Jim Grosbach
f88f0b08c4 Tidy up. MCAsmBackend naming conventions.
llvm-svn: 148400
2012-01-18 18:52:16 +00:00
Jim Grosbach
700e5901a7 Move some ARM specific MCAssmebler bits into the ARMAsmBackend.
llvm-svn: 148364
2012-01-18 00:23:57 +00:00
Devang Patel
90a5a47ef8 Let asm parser query asm syntax dialect.
llvm-svn: 147880
2012-01-10 21:49:42 +00:00
Kevin Enderby
21c229f1fb This is the matching change for the data structure name changes for the
functional change in r147860 to use DW_TAG_label's instead TAG_subprogram's.
This only changes names and updates comments.  No functional change.

llvm-svn: 147877
2012-01-10 21:12:34 +00:00
Rafael Espindola
6b018e0b1d Remove the logging streamer.
llvm-svn: 147820
2012-01-10 00:40:39 +00:00
Rafael Espindola
7618aa1c64 Don't print an unused label before .cfi_endproc.
llvm-svn: 147763
2012-01-09 00:17:29 +00:00
Rafael Espindola
19a13321f8 Don't print a label before .cfi_startproc when we don't need to. This makes
the produce assembly when using CFI just a bit more readable.

llvm-svn: 147743
2012-01-07 22:42:19 +00:00
Rafael Espindola
2d545fa143 Split Finish into Finish and FinishImpl to have a common place to do end of
file error checking. Use that to error on an unfinished cfi_startproc.

The error is not nice, but is already better than a segmentation fault.

llvm-svn: 147717
2012-01-07 03:13:18 +00:00
Rafael Espindola
db7319d272 Implement cfi_restore. Patch by Brian Anderson!
llvm-svn: 147356
2011-12-29 21:43:03 +00:00
Rafael Espindola
bc8c3d0ca0 Rename Remember and Restore to RememberState and RestoreState for consistency.
llvm-svn: 147354
2011-12-29 21:09:08 +00:00
Rafael Espindola
27298c6f33 Implement .cfi_escape. Patch by Brian Anderson!
llvm-svn: 147352
2011-12-29 20:24:47 +00:00
Rafael Espindola
504588a7a3 Section relative fixups are a coff concept, not a x86 one. Replace the
x86 specific reloc_coff_secrel32 with a generic FK_SecRel_4.

llvm-svn: 147252
2011-12-24 14:47:52 +00:00
Rafael Espindola
2fc741dfac Move x86 specific bits of the COFF writer to lib/Target/X86.
llvm-svn: 147231
2011-12-24 02:14:02 +00:00
Rafael Espindola
1c25d8bcd4 Define trivial destructor inline.
llvm-svn: 147230
2011-12-24 01:53:13 +00:00
Rafael Espindola
fc942cb186 Make GetRelocType pure virtual.
llvm-svn: 147229
2011-12-24 01:36:25 +00:00
Rafael Espindola
9c71db357e Move PPC bits to lib/Target/PowerPC.
llvm-svn: 147124
2011-12-22 01:57:09 +00:00
Akira Hatanaka
e7bcf63d98 Local dynamic TLS model for direct object output. Create the correct TLS MIPS
ELF relocations.

Patch by Jack Carter.

llvm-svn: 147118
2011-12-22 01:05:17 +00:00
Rafael Espindola
ee837037ee Move the ARM specific parts of the ELF writer to Target/ARM.
llvm-svn: 147115
2011-12-22 00:37:50 +00:00
Rafael Espindola
8c9b0dea02 Move the X86 specific bits of the ELF writer to the Target/X86 directory.
Other targets will follow shortly.

llvm-svn: 147060
2011-12-21 17:30:17 +00:00
Rafael Espindola
f9c7f9e3f3 Reduce the exposure of Triple::OSType in the ELF object writer. This will
avoid including ADT/Triple.h in many places when the target specific bits are
moved.

llvm-svn: 147059
2011-12-21 17:00:36 +00:00
Rafael Espindola
2334fc676a Add const.
llvm-svn: 147054
2011-12-21 14:48:04 +00:00
David Blaikie
576aba04f1 Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch
llvm-svn: 146960
2011-12-20 02:50:00 +00:00
Rafael Espindola
549d0683b1 Add back the MC bits of 126425. Original patch by Nathan Jeffords. I added the
asm parsing and testcase.

llvm-svn: 146801
2011-12-17 01:14:52 +00:00
Akira Hatanaka
3fca32d88e Add support for local dynamic TLS model in LowerGlobalTLSAddress. Direct object
emission is not supported yet, but a patch that adds the support should follow
soon.

llvm-svn: 146572
2011-12-14 18:26:41 +00:00