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59 Commits

Author SHA1 Message Date
Chris Lattner
9b97a73ded Rip out the 'is temporary' nonsense from the MCContext interface to 
create symbols.  It is extremely error prone and a source of a lot
of the remaining integrated assembler bugs on x86-64.

This fixes rdar://7807601.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99902 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 18:10:53 +00:00
Chris Lattner
2e9919a5e5 Now that DBG_LABEL is updated, we can finally make MachineMove 
contain an MCSymbol instead of a label index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98482 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:12:40 +00:00
Chris Lattner
f14645cc64 Fix some EH failures on NNT I introduced in r98461 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:02:50 +00:00
Chris Lattner
b91306053d use Label->isDefined() instead of isLabelDeleted() now that we 
consistently use MCSymbol and only call this predicate after
they should have been emitted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 02:20:58 +00:00
Chris Lattner
5e6cbe0eff simplify EmitFrameMoves to take BaseLabel in as a symbol 
instead of as a stem+idx pair, simplify the "is a new 
location" check to use symbol comparison.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 08:05:25 +00:00
Chris Lattner
fb65807c34 factor some labels, simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 07:40:56 +00:00
Chris Lattner
20e3280f3f fix a bug emitting .secrel32 that I introduced, PR6587, patch 
by A.Mazur!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98360 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 18:10:35 +00:00
Chris Lattner
42263e2e40 fix a fixme in TargetLoweringObjectFile::getExprForDwarfReference 
where we used ot create an MCSymbol for ".".  Now emit an assembler
temporary label and reference it instead of "." textually.

rdar://7739457


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98292 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 21:55:20 +00:00
Chris Lattner
3192d14076 rename getSymbolForDwarf* to getExprForDwarf* since it returns 
an MCExpr and not an MCSymbol.  Change it to take an MCStreamer,
which is currently unused.

No functionality change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98278 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 19:41:58 +00:00
Chris Lattner
98cdab53c3 set the temporary bit on MCSymbols correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98124 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 02:25:11 +00:00
Chris Lattner
d85fc6e0b1 inline away a form of IsPCRelative, eliminating the 
dead IsPCRel argument.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 01:17:49 +00:00
Chris Lattner
188a87da79 add some fixme's for MCizing. EH still has a few things that 
need to be MCized, but the last debug info thing are LEB and
cygwin specific (which the MC api doesn't support yet) and
one specific form of EmitReference which I'll tackle next.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98116 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 01:04:13 +00:00
Chris Lattner
90e4af7b9d mcize uses of PrintRelDirective and eliminate it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 00:09:21 +00:00
Chris Lattner
4aeaca4053 inline the bool form of PrintRelDirective away, leaving just the unsigned form. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 23:54:52 +00:00
Chris Lattner
233f52be36 eliminate EOL, adding all comments with the OutStreamer.AddComment 
method.  With this, comments should end up on the same lines as the .byte
directives (for example) and we now get no output with:

$ llc CodeGen/X86/2009-02-12-DebugInfoVLA.ll -o - -filetype=null -asm-verbose

woot.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98105 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 23:52:58 +00:00
Chris Lattner
fcdae492ea convert the non-"ispcrel" case of EmitReference to MC, 
significant debug info testcases are now all going through
MCStreamer, though they print a lot of extraneous newlines to "O".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 23:19:15 +00:00
Chris Lattner
a34ec2290f strength reduce MMI::MappedLabel to MMI::isLabelDeleted, 
and add a FIXME about how we are eventually going to zap this
lookup table once mc world domination is complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 01:51:43 +00:00
Chris Lattner
6cde3e6e99 add a EmitSymbolValue convenience method to MCStreamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:39:24 +00:00
Chris Lattner
b9dc5f7b58 mc'ize the last use of PrintLabelName and eliminate PrintLabelName. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98015 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:26:09 +00:00
Chris Lattner
ef6b14f51c eliminate an argument from PrintRelDirective, sinking 
the one special case into EmitSectionOffset.  MCize
the non-special case in EmitSectionOffset.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98014 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:17:58 +00:00
Chris Lattner
b67d69df65 remove the suffix form of PrintLabelName, which was only 
used for 'flavor'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98012 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:00:57 +00:00
Chris Lattner
c3421bb805 now that the debug and eh emitters use a common .set counter, 
we can eliminate "flavor".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98011 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:00:15 +00:00
Chris Lattner
0d50c7620d move .set generation out of DwarfPrinter into AsmPrinter and 
MCize it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98010 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 23:58:37 +00:00
Chris Lattner
57578766aa simplify EmitSectionOffset to always use .set if it is 
available, the only thing this affects is that we produce
.set in one case we didn't before, which shouldn't harm
anything.  Make EmitSectionOffset call EmitDifference
instead of duplicating it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98005 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 23:23:25 +00:00
Chris Lattner
effa868d38 Remove a version of EmitDifference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98002 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 23:02:59 +00:00
Chris Lattner
dd8187a3e9 eliminate a form of PrintLabelName. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97999 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:52:49 +00:00
Chris Lattner
326861c4c8 remove another form of EmitReference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97998 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:50:36 +00:00
Chris Lattner
c7249da2e9 eliminate the non-MCSymbol versions of EmitReference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:47:57 +00:00
Chris Lattner
f829eef8fa mc'ize EmitLabel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97996 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:44:40 +00:00
Chris Lattner
b98b1bf432 elimiante the DWLabel class, using MCSymbol instead. Start 
switching some stuff over to passing around MCSymbol* instead
of stem+ID.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97993 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:23:36 +00:00
Bill Wendling
f0bd4cc1b6 MC'ize padding when padding the ULEB128 value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97087 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 00:24:52 +00:00
Bill Wendling
3dc9b4872b LLVM puts padding bytes in the __gcc_except_tab section after the 
GCC_except_table label but before the Lexception, which the FDE references.
This causes problems as the FDE does not point to the start of an LSDA chunk.

Use an unnormalized uleb128 for the call-site table length that includes the
padding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97078 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 23:34:35 +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
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
Chris Lattner
c618c8aff4 emit jump table an alias ".set" directives through MCStreamer as 
assignments.

.set x, a-b

is the same as:

x = a-b



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94596 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:53:08 +00:00
Chris Lattner
cee63322ea Eliminate SetDirective, and replace it with HasSetDirective. 
Default HasSetDirective to true, since most targets have it.

The targets that claim to not have it probably do, or it is
spelled differently. These include Blackfin, Mips, Alpha, and
PIC16.  All of these except pic16 are normal ELF targets, so
they almost certainly have it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94585 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 20:40:54 +00:00
Chris Lattner
6a315c358c eliminate MCAsmInfo::NeedsSet: we now just use .set on any platform 
that has it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 20:20:43 +00:00
Chris Lattner
3586e5eccf fix some issues where we weren't emitting enough newlines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-24 19:01:06 +00:00
Chris Lattner
faca5497a2 move "EOL" from asmprinter to dwarfprinter. It should eventually 
be completely eliminated, but today is not that day.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94253 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 23:47:11 +00:00
Chris Lattner
245834dde5 add a new EmitCFAByte method and use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94251 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 23:40:08 +00:00
Chris Lattner
894d75aa01 move uleb printing from asmprinter to dwarfprinter, mcize, 
cleanup and eliminate a bunch more uses of "EOL".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94250 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 23:18:42 +00:00
Chris Lattner
bb9078a6b2 move sleb printing out of asmprinter into dwarf printer, make clients 
handle the comment better, MCize the non-.sleb case.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94244 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 22:56:55 +00:00
Chris Lattner
f61ed8eb32 add a new DwarfPrinter::EmitEncodingByte method which handles 
pretty printing encoding comments and eliminates redundancy on
the client side.  We now get pretty dwarf like this again:

        .byte   255                                         ## @LPStart Encoding = omit
        .byte   0                                           ## @TType Encoding = absptr
        .byte   0x28                                        ## @TType base offset
        .byte   3                                           ## Call site Encoding = udata4
        .byte   0x1a                                        ## Call site table size
...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94239 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 22:38:16 +00:00
Chris Lattner
066c9acca3 rename the dwarf class to DwarfPrinter. This matches the filename 
and much more accurately describes what it is all about.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 22:23:57 +00:00
Chris Lattner
0ad9c911f5 inline away the trivial AsmPrinter::EOL() method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94230 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 22:09:00 +00:00
Chris Lattner
10b318bcb3 now that MCSymbol::print doesn't use it's MAI argument, we can 
remove it and change all the code that prints MCSymbols to use 
<< instead, which is much simpler and cleaner.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93695 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-17 21:43:43 +00:00
Benjamin Kramer
1efd4fd56b Switch some functions to take Twines, eliminate uses of StringExtras.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93680 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-17 07:46:39 +00:00
Chris Lattner
858431d0bc Change DIEObjectLabel to take an MCSymbol instead of std::string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93647 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-16 18:50:28 +00:00
Jim Grosbach
a01d34676f Simply LSDA lable emission to use a direct special-case output instead of 
EmitLabel()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80677 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-01 16:43:35 +00:00
Jim Grosbach
3fb2b1ede3 Clean up LSDA name generation and use for SJLJ exception handling. This 
makes an eggregious hack somewhat more palatable. Bringing the LSDA forward
and making it a GV available for reference would be even better, but is
beyond the scope of what I'm looking to solve at this point.

Objective C++ code could generate function names that broke the previous
scheme. This fixes that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80649 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-01 01:57:56 +00:00