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4a602caf2e
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853 Commits

Author SHA1 Message Date
Devang Patel
4a602caf2e Emit DW_AT_low_pc and DW_AT_high_pc attributes for TAG_compile_unit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99225 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-22 23:11:36 +00:00
Devang Patel
0493f95a2c DW_AT_stmt_list attribute attached with a compile unit encodes offset of line number information for this compile unit in debug_line section. This offset is always zero when only one compile unit is emitted in a object file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99223 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-22 22:38:48 +00:00
Jeffrey Yasskin
638fe8dd62 Fix a memory leak from DIE::addSiblingOffset() by adding the DIEValue 
it allocates to DwarfDebug::DIEValues.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-22 18:47:14 +00:00
Devang Patel
5b33f3148c Fix EmitSectionOffset incorrect argument. DwarfDebug is emitting debug info so isEH is always false. This was hiding until now from compilers because of default arguments. This was hiding from dwarf debug info users because for most of the platform isAbsoluteEHSectionOffsets() is same as isAbsoluteDebugSectionOffsets(). But Chris found it while updating dwarf printer to use MC*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98743 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-17 17:29:55 +00:00
Chris Lattner
93b122d3c4 reapply r98656 unmodified, which exposed the asmprinter not 
handling constant unions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98680 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 21:25:55 +00:00
Daniel Dunbar
b85c7100c5 Revert r98656, its breaking all over the place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98662 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 19:35:34 +00:00
Chris Lattner
8b3b34f410 improve support for uniontype and ConstantUnion, patch by Tim Northover! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98656 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 19:15:03 +00:00
Chris Lattner
999aee24c7 Fix the third (and last known) case of code update problems due 
to LLVM IR changes with addr label weirdness.  In the testcase, we
generate references to the two bb's when codegen'ing the first
function:

_test1:                                 ## @test1
	leaq	Ltmp0(%rip), %rax
..
	leaq	Ltmp1(%rip), %rax

Then continue to codegen the second function where the blocks
get merged.  We're now smart enough to emit both labels, producing
this code:

_test_fun:                              ## @test_fun
## BB#0:                                ## %entry
Ltmp1:                                  ## Block address taken
Ltmp0:
## BB#1:                                ## %ret
	movl	$-1, %eax
	ret

Rejoice.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 00:29:39 +00:00
Chris Lattner
9cc0da9c29 Implement support for the case when a reference to a addr-of-bb 
label is generated, but then the block is deleted.  Since the
value is undefined, we just emit the label right after the entry 
label of the function.  It might matter that the label is in the
same section as the function was afterall.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 20:39:00 +00:00
Devang Patel
90a48adf9c Emit dwarf variable info communicated by code generator through DBG_VALUE machine instructions. 
This is a work in progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 18:33:46 +00:00
Chris Lattner
a833f6b061 remove dead method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98526 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 00:00:42 +00:00
Chris Lattner
3b9d6216a4 fix AsmPrinter::GetBlockAddressSymbol to always return a unique 
label instead of trying to form one based on the BB name (which
causes collisions if the name is empty).  This fixes PR6608


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98495 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 17:53:23 +00:00
Chris Lattner
63d7836267 get MMI out of the label uniquing business, just go to MCContext 
to get unique assembler temporary labels.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98489 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:36:50 +00:00
Chris Lattner
8d9aaba84e don't use getDWLabel("label" anymore, always go through MMI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98485 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:18:13 +00:00
Chris Lattner
0397ada8ae remove now-dead code, all labels use MCSymbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98484 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:17:53 +00:00
Chris Lattner
25b68c6770 change SrcLineInfo to contain a label instead of a label ID. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:15:55 +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
6ffcccab51 change the DBG_LABEL MachineInstr to always be created 
with an MCSymbol instead of an immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98481 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:56:48 +00:00
Chris Lattner
9a38e67590 unbreak the build, grr symlinks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98477 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:36:49 +00:00
Chris Lattner
aba9bcb9b6 switch GC_LABEL to use an MCSymbol operand instead of a label ID operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98474 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:27:07 +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
21f9c8de53 fix a bug I introduced in r98459, causing some NNT failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 06:50:56 +00:00
Chris Lattner
7561d48095 change the LabelSDNode to be EHLabelSDNode and make it hold 
an MCSymbol.  Make the EH_LABEL MachineInstr hold its label
with an MCSymbol instead of ID.  Fix a bug in MMI.cpp which
would return labels named "Label4" instead of "label4".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 02:33:54 +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
1611273351 change EH related stuff (other than EH_LABEL) to use MCSymbol 
instead of label ID's.  This cleans up and regularizes a bunch 
of code and makes way for future progress.

Unfortunately, this pointed out to me that JITDwarfEmitter.cpp
is largely copy and paste from DwarfException/MachineModuleInfo
and other places.  This is very sad and disturbing. :(

One major change here is that TidyLandingPads moved from being
called in DwarfException::BeginFunction to being called in
DwarfException::EndFunction.  There should not be any 
functionality change from doing this, but I'm not an EH expert.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98459 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 01:41:15 +00:00
Chris Lattner
1b2eb0e8a6 eliminate the now-unneeded context argument of MBB::getSymbol() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98451 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 21:04:28 +00:00
Chris Lattner
11d53c129f rearrange MCContext ownership. Before LLVMTargetMachine created it 
and passing off ownership to AsmPrinter.  Now MachineModuleInfo
creates it and owns it by value.  This allows us to use MCSymbols
more consistently throughout the rest of the code generator, and
simplifies a bit of code.  This also allows MachineFunction to 
keep an MCContext reference handy, and cleans up the TargetRegistry
interfaces for AsmPrinters.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 20:55:24 +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
206d61e62f various cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98426 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 07:26:18 +00:00
Chris Lattner
bc733f54c0 reimplement the string pool used for inlined function 
entries to not thrash std::strings and MCSymbols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98415 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 02:17:42 +00:00
Chris Lattner
528a126d32 remove gone method, grr symlinks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98392 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 21:30:49 +00:00
Chris Lattner
deb0cba1ba inline the now-trivial implementation of GetGlobalValueSymbol into 
some of its callers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 21:09:07 +00:00
Chris Lattner
b87c305fa7 give Mangler access to TargetData. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 20:47:28 +00:00
Chris Lattner
73ff564d65 finally give Mangler a getSymbol method, which returns an MCSymbol 
for a global instead of messing around with string buffers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98366 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 18:55:20 +00:00
Chris Lattner
0d941c15c0 remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98365 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 18:49:32 +00:00
Chris Lattner
5ef31a039d make the mangler take an MCContext instead of an MAI. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98363 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 18:44:54 +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
Jeffrey Yasskin
5c213dc78c Free DbgScopes in DwarfDebug::endFunction(). Also increased the const-ness of 
several fields to make it easier to figure out where bugs might be creeping in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 17:45:06 +00:00
Devang Patel
1b596e399b There is no need to create specification DIE for definitions at DIFile level. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98302 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 23:44:52 +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
Jeffrey Yasskin
d0f393d46f Avoid leaking CompileUnits in DwarfDebug.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98268 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 18:29:55 +00:00
Richard Osborne
95da605e15 Add a new jump table encoding to indicate jump tables entries 
are inside the function by the target at the point of use.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98255 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 14:58:16 +00:00
Chris Lattner
09d53fecfc move three lowering hooks from MAI to TLOF and make one of them 
semantic instead of syntactic.  This completes MCization of
darwin/x86[-64]!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 07:20:42 +00:00
Chris Lattner
974c0fb404 mcize the rest of EH emission, only one more directive missing 
for darwin/x86 to be completely mcized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 02:48:06 +00:00
Chris Lattner
49f618a1e4 add missing filename! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98125 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 02:29:31 +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