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98 Commits

Author SHA1 Message Date
Anton Korobeynikov
12cfa11960 Add ARM TARGET2 relocation. The testcase will follow with actualy use-case. 
Based on the patch by Logan Chien!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167633 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-09 20:20:12 +00:00
Craig Topper
4bb51cc83b Rename virtual table anchors from Anchor() to anchor() for consistency with the rest of the tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164666 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-26 06:36:36 +00:00
Manman Ren
286c4dc355 Release build: guard dump functions with 
"#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)"

No functional change. Update r163344.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163679 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-12 05:06:18 +00:00
Manman Ren
cc77eece74 Release build: guard dump functions with "ifndef NDEBUG" 
No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163344 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-06 19:55:56 +00:00
Roman Divacky
9fb8b49380 Lower constant pools and jump tables via TOC on PPC64/SVR4. 
In collaboration with Adhemerval Zanella.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162562 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-24 16:26:02 +00:00
Akira Hatanaka
b7dd9fc678 Add VK_Mips_HIGHER and VK_Mips_HIGHEST to MCSymbolRefExpr::VariantKind. 
Test case will be added later when long branch patch is checked in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160597 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-21 02:15:19 +00:00
Roman Divacky
fd42ed676e Implement local-exec TLS on PowerPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157935 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-04 17:36:38 +00:00
Craig Topper
f1d0f7781e Prune some includes and forward declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153429 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-26 06:58:25 +00:00
Jim Grosbach
0db1241416 ARM Thumb symbol references in assembly need the low bit set. 
Add support for a missed case when the symbols in a difference
expression are in the same section but not the same fragment.

rdar://10924681

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151345 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-24 05:12:18 +00:00
Anton Korobeynikov
d4a19b6a72 Add support for implicit TLS model used with MS VC runtime. 
Patch by Kai Nacke!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150307 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 17:26:53 +00:00
Craig Topper
858143816d Convert assert(0) to llvm_unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149967 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-07 05:05:23 +00:00
James Molloy
34982576a4 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149057 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 09:25:43 +00:00
Chandler Carruth
732f05c41f Add 'llvm_unreachable' to passify GCC's understanding of the constraints 
of several newly un-defaulted switches. This also helps optimizers
(including LLVM's) recognize that every case is covered, and we should
assume as much.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147861 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-10 18:08:01 +00:00
David Blaikie
2bd335470f Remove unnecessary default cases in switches that cover all enum values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147855 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-10 16:47:17 +00:00
Akira Hatanaka
bc24985c5f Local dynamic TLS model for direct object output. Create the correct TLS MIPS 
ELF relocations.

Patch by Jack Carter.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147118 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-22 01:05:17 +00:00
Akira Hatanaka
00e1fa499d Remove function printMipsSymbolRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144663 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-15 18:38:35 +00:00
Bruno Cardoso Lopes
3507d24547 This is the first of several patches for Mips direct object generation. 
This first patch is for expression variable kinds.

Patch by Jack Carter!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-25 18:13:20 +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
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
Roman Divacky
a1000742d2 Fix emission of PPC64 assembler on non-darwin platforms by splitting 
VK_PPC_{HA,LO}16 into darwin and gas variants.

Darwin wants {ha,lo}16(symbol) while gnu as wants symbol@{ha,l}.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132802 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-09 20:25:38 +00:00
Daniel Dunbar
0eab5c4d85 MCExpr: Add FindAssociatedSection, which attempts to mirror the 'as' semantics 
that associate sections with expressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130517 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:00:03 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Owen Anderson
ce3a1bac4b Add support for Thumb interworking addresses for symbol offsets that get constant folded very early. 
This fixes SPASS with -integrated-as.  <rdar://problem/9165399>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128037 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-21 23:13:43 +00:00
Rafael Espindola
54104db434 Add support for lowercase variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124071 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 16:11:25 +00:00
Evan Cheng
7597212abc Model :upper16: and :lower16: as ARM specific MCTargetExpr. This is a step 
in the right direction. It eliminated some hacks and will unblock codegen
work. But it's far from being done. It doesn't reject illegal expressions,
e.g. (FOO - :lower16:BAR). It also doesn't work in Thumb2 mode at all.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123369 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 07:58:56 +00:00
Rafael Espindola
10b6d33581 Add r122359 back now that the bug in MCDwarfLineAddrFragment fragment has been 
fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-22 22:16:24 +00:00
Rafael Espindola
bf57b838b8 Revert r122359 while I debug PR8845. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122427 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-22 19:05:49 +00:00
Rafael Espindola
33a38a1b5a Use references and simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-22 16:11:57 +00:00
Rafael Espindola
64b4412196 Simplify EvaluateAsAbsolute now that EvaluateAsRelocatableImpl does all 
the folding it can.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122359 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 20:51:42 +00:00
Rafael Espindola
c5b0e44aca Fixed version of 122160 (the previous one would fold undefined symbols). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122167 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 04:18:56 +00:00
Rafael Espindola
af0e6ce80f Revert 122160 while I debug it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122165 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 03:22:05 +00:00
Rafael Espindola
f399d9d37b Move all folding to AttemptToFoldSymbolOffsetDifference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122160 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 02:15:04 +00:00
Rafael Espindola
3132780a2e Merge isAbsolute into IsSymbolRefDifferenceFullyResolved. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 06:27:54 +00:00
Rafael Espindola
1ec5bd31fe Remove the MCObjectFormat class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 05:37:28 +00:00
Rafael Espindola
3f037ef2f5 Add a FIXME and explain a hack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 04:19:20 +00:00
Rafael Espindola
f705a7ed27 Fix the note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122139 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 04:01:45 +00:00
Rafael Espindola
d076482ab7 Revert 122011, 122012, 122013, 122023 adding back an important optimization. 
I added a note, but suggestions on how to add a test are really welcome.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122138 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-18 03:57:21 +00:00
Daniel Dunbar
17304b3489 MC/Expr: Implemnt more aggressive folding during symbol evaluation using 
IsSymbolRefDifferenceFullyResolved(). For example, we will now fold away
something like:
--
_a:
...
L0:
...
L1:
...
.long (L1 - L0) / 2
--

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122043 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 05:50:33 +00:00
Daniel Dunbar
8f714fedba MC/Expr: Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122023 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 02:05:45 +00:00
Daniel Dunbar
2d8e3e741f MC: Remove another dead MCAssembler argument, and update clients. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122013 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 01:07:35 +00:00
Daniel Dunbar
92c66c7bf9 MC: Remove dead MCAssembler argument -- Rafael, can you check the FIXME I added 
here?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122012 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 01:07:31 +00:00
Daniel Dunbar
204e3b65eb MC: Simplify (remove unnecessary MCAssembler argument, obsoleted by containment 
in MCAsmLayout).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122011 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 01:07:28 +00:00
Daniel Dunbar
cdf94e8592 Write => in a more normal form. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 01:07:22 +00:00
Daniel Dunbar
f2ed62d6bf MC/Expr: Simplify (and add a FIXME). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122008 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 01:07:20 +00:00
Daniel Dunbar
dd18e28c62 MC/Expr: Add a doxyment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 18:36:25 +00:00
Rafael Espindola
85f2ecc697 Sorry for such a large commit. The summary is that only MachO cares about the 
actuall addresses in a .o file, so it is better to let the MachO writer compute
it.

This is good for two reasons. First, areas that shouldn't care about
addresses now don't have access to it. Second, the layout of each section
is independent. I should use this in a subsequent commit to speed it up.

Most of the patch is just removing the section address computation. The two
interesting parts are the change on how we handle padding in the end
of sections and how MachO can get the address of a-b when a and b are in
different sections.

Since now the expression evaluation normally doesn't know the section address,
it will think that a-b needs relocation and let the MachO writer know. Once
it has computed the section addresses, it calls back the expression evaluation
with the section addresses to resolve these expressions.

The remaining problem is the handling of padding. Currently it will create
a special alignment fragment at the end. Since that fragment doesn't update
the alignment of the section, it needs the real address to be computed.

Since now the layout will not compute a-b with a and b in different sections,
the only effect that the special alignment fragment has is update the
address size of the section. This can also be done by the MachO writer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 00:27:36 +00:00
Rafael Espindola
22373b230a Use references to simplify the code a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:30:54 +00:00
Rafael Espindola
f3faf92636 Simplify a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 03:36:43 +00:00
Rafael Espindola
32a006e606 Try to resolve symbol differences early, and if successful create a plain 
data fragment. This reduces the time to assemble the test in 8711 from 60s to
54s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 00:55:40 +00:00
Rafael Espindola
76507f14ed Add a fast path to EvaluateSymbolicAdd. This avoids computing symbol addresses 
which then avoids running EnsureValid.
This cuts the assembly time of the testcase in PR8711 from 2:50 minutes to 1
minute.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-02 07:53:12 +00:00