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752 Commits

Author SHA1 Message Date
Anton Korobeynikov
0b21730696 Use ttype encoding consistently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96290 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-15 22:38:25 +00:00
Anton Korobeynikov
ac8a3d0b5b It turns out that we emitted completely wrong common EH frame since the early beginning! The "z" CIE augmentation mark indicates that there is an extra word containing the size of augmentation section. However, even for frames w/o any augmentation data we emitted size uleb! (this is the case of "unwinding through C code"). Thus frame moves information was emitterd completely wrong. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-15 22:36:41 +00:00
Anton Korobeynikov
9184b25fa5 Preliminary patch to improve dwarf EH generation - Hooks to return Personality / FDE / LSDA / TType encoding depending on target / options (e.g. code model / relocation model) - MCIzation of Dwarf EH printer to use encoding information - Stub generation for ELF target (needed for indirect references) - Some other small changes here and there 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-15 22:35:59 +00:00
Bill Wendling
e9d10a6c39 Use .empty() instead of .size(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95871 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 10:37:57 +00:00
Bill Wendling
ca51d05138 Fix to get it to compile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95840 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 01:15:27 +00:00
Bill Wendling
4cb4895e41 Don't print out a default newline when emitting the section offset. There are 
almost always comments afterwards that need printing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95839 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 01:13:02 +00:00
Bill Wendling
0a9abcbffe Use an index instead of pointers into the vector. If the vector resizes, then 
the pointer values could be invalid.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95813 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:41:57 +00:00
Dan Gohman
f451cb870e Fix "the the" and similar typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 16:03:48 +00:00
Chris Lattner
45282aedb9 fix a layering violation: VirtRegRewriter.cpp shouldn't use AsmPrinter.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:23:18 +00:00
Bill Wendling
d3a47a3ef3 Improve comments a even more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:59:47 +00:00
Chris Lattner
47529c9ac6 Move verbose asm instruction comments to using MCStreamer. 
The major win of this is that the code is simpler and they 
print on the same line as the instruction again:

        movl    %eax, 96(%esp)          ## 4-byte Spill
        movl    96(%esp), %eax          ## 4-byte Reload
        cmpl    92(%esp), %eax          ## 4-byte Folded Reload
        jl      LBB7_86



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:47:53 +00:00
Bill Wendling
35c187bcfd Improve comments a bit more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95737 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:45:28 +00:00
Chris Lattner
8e089a9e4d print all the newlines at the end of instructions with 
OutStreamer.AddBlankLine instead of textually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95734 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:36:00 +00:00
Bill Wendling
1f8075d7d2 Improve comments in the LSDA somewhat. They can be improved much more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 22:49:16 +00:00
Chris Lattner
518bb53485 move target-independent opcodes out of TargetInstrInfo 
into TargetOpcodes.h.  #include the new TargetOpcodes.h
into MachineInstr.  Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the 
codebase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 19:54:29 +00:00
Devang Patel
8581e0147c Add declaration attribute to a variable DIE, if there is a separate DIE for the definition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95646 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 01:58:33 +00:00
Dan Gohman
5938a3e681 Implement AsmPrinter support for several more operators which have 
direct MCExpr equivalents. Don't use MCExpr::Shr because it isn't
consistent between targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 00:02:37 +00:00
Chris Lattner
9517554458 now that @GOTOFF is no longer represented as a suffix on a 
MCSymbol, we can remove the 'suffix' argument of 
GetBlockAddressSymbol.  Do so.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-08 23:10:08 +00:00
Dan Gohman
54e72eca0c ConstantFoldConstantExpression can theoretically return the original 
expression; don't go into an infinite loop if it does.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95591 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-08 22:19:11 +00:00
Dan Gohman
618f17702d When CodeGen'ing unoptimized code, there may be unfolded constant expressions 
in global initializers. Instead of aborting, attempt to fold them on the
spot. If folding succeeds, emit the folded expression instead.

This fixes PR6255.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-08 22:02:38 +00:00
Duncan Sands
3dc32ed569 Give DwarfPrinter a protected (but not virtual) destructor. Cppcheck 
warns about this base class not having a virtual destructor, but since
this class has no virtual methods and neither it or the types derived
from it has a destructor, a protected trivial destructor will do (and
shuts cppcheck up) the trick without the cost of introducing a vtable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95526 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-07 21:09:22 +00:00
Devang Patel
b4645643de Set DW_AT_artificial only if argument is marked as artificial. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-06 01:02:37 +00:00
Devang Patel
6cda22eae4 Do not generate specification DIE for nested functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 23:09:20 +00:00
Bill Wendling
744f579b63 An empty global constant (one of size 0) may have a section immediately 
following it. However, the EmitGlobalConstant method wasn't emitting a body for
the constant. The assembler doesn't like that. Before, we were generating this:

  .zerofill __DATA, __common, __cmd, 1, 3

This fix puts us back to that semantic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 00:17:02 +00:00
Devang Patel
c1dc8fff79 Emit appropriate expression to find virtual base offset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 20:08:48 +00:00
Devang Patel
4e0d19dfd9 Provide interface to identifiy artificial methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95240 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 19:57:19 +00:00
Chris Lattner
d26a80f666 don't emit \n's at the start of X86AsmPrinter::runOnMachineFunction, 
.o files don't like that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95187 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:49:49 +00:00
Chris Lattner
f64159c840 privatize a bunch of methods and move \n printing into them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95186 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:46:05 +00:00
Chris Lattner
d1ff72b8a7 rejigger the world so that EmitInstruction prints the \n at 
the end of the instruction instead of expecting the caller to
do it.  This currently causes the asm-verbose instruction 
comments to be on the next line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:09:55 +00:00
Chris Lattner
0d883e3f84 sink handling of target-independent machine instrs (other 
than DEBUG_VALUE :(  ) into the target indep AsmPrinter.cpp
file.   This allows elimination of the 
NO_ASM_WRITER_BOILERPLATE hack among other things.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95177 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:00:52 +00:00
Chris Lattner
56591ab218 refactor code so that LLVMTargetMachine creates the asmstreamer and 
mccontext instead of having AsmPrinter do it.  This allows other 
types of MCStreamer's to be passed in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:37:42 +00:00
Chris Lattner
1f21990284 move handling of asm-verbose out of AsmPrinter.cpp into LLVMTargetMachine.cpp with the rest of the command line options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 22:54:51 +00:00
Devang Patel
e3d6d220bd Apparently gdb is not amused by empty lines in pubtypes section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95064 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 03:47:27 +00:00
Devang Patel
31acb89c65 NULL terminate name in pubtypes sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95062 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 03:37:03 +00:00
Devang Patel
1ee0cb9a55 Emit declaration DIE for the class static variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94870 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 01:08:30 +00:00
Devang Patel
8cbb6123ac Add size and location info in DW_TAG_class_type descriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 18:34:58 +00:00
Chris Lattner
edfe776ac2 add target hooks for emitting random gunk before and after the function body. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94732 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:58:58 +00:00
Jim Grosbach
ca752c9020 Update of 94055 to track the IR level call site information via an intrinsic. 
This allows code gen and the exception table writer to cooperate to make sure
landing pads are associated with the correct invoke locations.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:45:32 +00:00
Chris Lattner
d49fe1b6bc Give AsmPrinter the most common expected implementation of 
runOnMachineFunction, and switch PPC to use EmitFunctionBody.
The two ppc asmprinters now don't heave to define 
runOnMachineFunction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94722 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:28:58 +00:00
Chris Lattner
10e7c60c04 emit a 0 byte instead of a noop if a function is empty on darwin. 
"0" is nice and target independent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:06:32 +00:00
Chris Lattner
14c38ec2af Remove the argument from EmitJumpTableInfo, because it doesn't need it. 
Move the X86 implementation of function body emission up to 
AsmPrinter::EmitFunctionBody, which works by calling the virtual
EmitInstruction method.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94716 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:02:27 +00:00
Chris Lattner
a2406190ca Drop the argument to AsmPrinter::EmitConstantPool and make it virtual. 
Overload it in the ARM backend to do nothing, since is does insane
constant pool emission.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94708 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 00:19:24 +00:00
Chris Lattner
be9dfcef82 rename printVisibility to EmitVisibility and make it private, 
constify EmitLinkage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 00:05:10 +00:00
Chris Lattner
2cf7251d39 add a new AsmPrinter::EmitFunctionEntryLabel virtual function, 
which allows targets to override function entry label emission.
Use it to convert linux/ppc to use EmitFunctionHeader().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-27 07:21:55 +00:00
Chris Lattner
9bc20ab519 mcize label emission for functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94624 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:53:39 +00:00
Chris Lattner
111a3193b5 use EmitLinkage for functions as well as globals. One output 
change is that we now use ".linkonce discard" for global variables
instead of ".linkonce samesize".  These should be the same, just less
strict.  If anyone is interested in mcizing MCSection for COFF targets,
this should be easy to fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94623 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:51:52 +00:00
Chris Lattner
a3e8883d71 pull linkage emission code out to a new EmitLinkage function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:47:12 +00:00
Chris Lattner
b406a8141d rearrange some directives, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:41:48 +00:00
Chris Lattner
5c8697488a remove a noop function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94616 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:26:29 +00:00
Chris Lattner
b11caedd6f now that enough stuff is constified, move function header printing 
logic up from X86 into the common code.  The other targets will 
hopefully start using this soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94614 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:18:44 +00:00