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Commit Graph

511 Commits

Author SHA1 Message Date
Adrian Prantl
baf0a98faa Change the informal convention of DBG_VALUE so that we can express a
register-indirect address with an offset of 0.
It used to be that a DBG_VALUE is a register-indirect value if the offset
(operand 1) is nonzero. The new convention is that a DBG_VALUE is
register-indirect if the first operand is a register and the second
operand is an immediate. For plain registers use the combination reg, reg.

rdar://problem/13658587

llvm-svn: 180816
2013-04-30 22:16:46 +00:00
Manman Ren
0b37dd0efc TBAA: remove !tbaa from testing cases if not used.
This will make it easier to turn on struct-path aware TBAA since the metadata
format will change.

llvm-svn: 180796
2013-04-30 17:52:57 +00:00
Adrian Prantl
001a9c20ce Set debug locations for branch instructions created during inlining, even
the inlined function has multiple returns.

rdar://problem/12415623

llvm-svn: 180793
2013-04-30 17:08:16 +00:00
Adrian Prantl
d599fd59f3 Improve documentation.
llvm-svn: 180738
2013-04-29 22:25:52 +00:00
Tim Northover
26886c81b9 AArch64: convert MC-layer test to .s file
The CodeGen aspects of this test are already covered by cfi-frame.ll;
making it an assembly file reduces the risk of incidental changes
affecting the test.

llvm-svn: 180671
2013-04-27 11:56:14 +00:00
Eric Christopher
6edd6be6af Use the target triple from the target machine rather than the module
to determine whether or not we're on a darwin platform for debug code
emitting.

Solves the problem of a module with no triple on the command line
and no triple in the module using non-gdb ok features on darwin. Fix
up the member-pointers test to check the correct things for cross
platform (DW_FORM_flag is a good prefix).

Unfortunately no testcase because I have no ideas how to test something
without a triple and without a triple in the module yet check
precisely on two platforms. Ideas welcome.

llvm-svn: 180660
2013-04-27 01:07:52 +00:00
Eric Christopher
60d871c1e9 Move the XFAIL out of the middle of a comment.
llvm-svn: 180659
2013-04-27 01:07:22 +00:00
Adrian Prantl
b8f53580c7 cleanup testcase some more
rdar://problem/13056109

llvm-svn: 180619
2013-04-26 18:10:54 +00:00
Adrian Prantl
1a2b6a92ae Bugfix for the debug intrinsic handling in InstCombiner:
Since we can't guarantee that the original dbg.declare instrinsic
is removed by LowerDbgDeclare(), we need to make sure that we are
not inserting the same dbg.value intrinsic over and over.
This removes tons of redundant DIEs when compiling optimized code.

rdar://problem/13056109

llvm-svn: 180615
2013-04-26 17:48:33 +00:00
Adrian Prantl
924bf458fb Cleanup testcase and ensure we actually exercise the inliner.
rdar://problem/12415623

llvm-svn: 180168
2013-04-24 01:44:15 +00:00
Adrian Prantl
f7c84e0f56 Make sure the instruction right after an inlined function has a
debug location. This solves a problem where range of an inlined
subroutine is emitted wrongly.
Patch by Manman Ren.

Fixes rdar://problem/12415623

llvm-svn: 180140
2013-04-23 19:56:03 +00:00
Alexey Samsonov
cb820bd0a4 Use zlib to uncompress debug sections in DWARF parser.
This makes llvm-dwarfdump and llvm-symbolizer understand
debug info sections compressed by ld.gold linker.

llvm-svn: 180088
2013-04-23 10:17:34 +00:00
David Blaikie
9bfe15c313 Revert "Revert "PR14606: debug info imported_module support""
This reverts commit r179840 with a fix to test/DebugInfo/two-cus-from-same-file.ll

I'm not sure why that test only failed on ARM & MIPS and not X86 Linux, even
though the debug info was clearly invalid on all of them, but this ought to fix
it.

llvm-svn: 179996
2013-04-22 06:12:31 +00:00
Eric Christopher
88bdd26cc9 Revert "PR14606: debug info imported_module support"
This reverts commit r179836 as it seems to have caused test failures.

llvm-svn: 179840
2013-04-19 07:47:16 +00:00
David Blaikie
46f35f8e56 PR14606: debug info imported_module support
Adding another CU-wide list, in this case of imported_modules (since they
should be relatively rare, it seemed better to add a list where each element
had a "context" value, rather than add a (usually empty) list to every scope).
This takes care of DW_TAG_imported_module, but to fully address PR14606 we'll
need to expand this to cover DW_TAG_imported_declaration too.

llvm-svn: 179836
2013-04-19 06:57:04 +00:00
David Blaikie
53eed4fdaa PR15149/r174304 improvement - print hex for unknown dwarf language codes & add a test case
CR feedback from Rafael Espindola and Paul Robinson.

llvm-svn: 179664
2013-04-17 03:41:36 +00:00
Eric Christopher
d419b3e326 Revert "Update the version of dwarf we say we're emitting to at least 3."
temporarily while we work on plumbing through some changes to continue
supporting gdb on darwin.

This reverts commit r179122.

llvm-svn: 179222
2013-04-10 21:45:07 +00:00
Jyotsna Verma
b244dff2f1 Add object-emission flag for lit tests. This flag is used
to disable following tests for Hexagon that require direct object
generation support.

DebugInfo/dwarf-public-names.ll
DebugInfo/dwarf-version.ll
DebugInfo/member-pointers.ll
DebugInfo/namespace.ll
DebugInfo/two-cus-from-same-file.ll

Fixes bug 15616 - http://llvm.org/bugs/show_bug.cgi?id=15616

llvm-svn: 179209
2013-04-10 19:53:26 +00:00
Eric Christopher
8a0c2a7dbd Update the version of dwarf we say we're emitting to at least 3.
Deals with a dwarf2 -> dwarf3 DW_FORM_ref_addr change.

llvm-svn: 179122
2013-04-09 20:22:47 +00:00
Eric Christopher
48e215c890 The .dwo section shouldn't contain the unrelocated values (and
therefore not at all) of the pc or statement list. We also don't
need to emit the compilation dir so save so space and time
and don't bother.

Fix up the testcase accordingly and verify that we don't emit
the attributes or the items that they use.

llvm-svn: 179114
2013-04-09 19:23:15 +00:00
Chandler Carruth
c0d878f95e Simplify the quoting here. Our lit emulator doesn't deal well with the
nested quoting schemes, and they're not important here...

llvm-svn: 179014
2013-04-08 10:07:50 +00:00
Eric Christopher
546e1942f2 DW_FORM_sec_offset should be a relocation on platforms that use
a relocation across sections. Do this for DW_AT_stmt list in the
skeleton CU and check the relocations in the debug_info section.

Add a FIXME for multiple CUs.

llvm-svn: 178969
2013-04-07 03:43:09 +00:00
Alexey Samsonov
5cf62b262f llvm-symbolizer: correctly parse filenames given in quotes
llvm-svn: 178859
2013-04-05 09:22:24 +00:00
Alexey Samsonov
c2465d2e7e Add a basic test for llvm-symbolizer tool
llvm-svn: 178858
2013-04-05 08:30:13 +00:00
Jyotsna Verma
8017d2c8b6 Disable 2010-10-01-crash.ll for Hexagon as the Hexagon frontend will
never produce a byval parameter with size < 8 bytes.

llvm-svn: 178792
2013-04-04 21:05:46 +00:00
Eric Christopher
c6f97cf1a0 Support and test template arguments for unions.
llvm-svn: 178586
2013-04-02 22:55:56 +00:00
Adrian Prantl
dd8a6dc41a move testcase into appropriate X86 subdirectory.
llvm-svn: 178364
2013-03-29 20:14:08 +00:00
Adrian Prantl
324e4868cb Split the llvm/tools/clang/test/CodeGenObjC/debug-info-blocks.m testcase into a CFE and LLVM part.
rdar://problem/12767564

llvm-svn: 178353
2013-03-29 18:08:14 +00:00
David Blaikie
377434ec76 Revert "Adding DIImportedModules to DIScopes."
This reverts commit 342d92c7a0adeabc9ab00f3f0d88d739fe7da4c7.

Turns out we're going with a different schema design to represent
DW_TAG_imported_modules so we won't need this extra field.

llvm-svn: 178215
2013-03-28 02:44:59 +00:00
David Blaikie
75da1f2b54 Adding DIImportedModules to DIScopes.
This is just the basic groundwork for supporting DW_TAG_imported_module but I
wanted to commit this before pushing support further into Clang or LLVM so that
this rather churny change is isolated from the rest of the work. The major
churn here is obviously adding another field (within the common DIScope prefix)
to all DIScopes (files, classes, namespaces, lexical scopes, etc). This should
be the last big churny change needed for DW_TAG_imported_module/using directive
support/PR14606.

llvm-svn: 178099
2013-03-27 00:07:26 +00:00
Jyotsna Verma
55bb6cadfc XFAIL DebugInfo tests for Hexagon.
Hexagon does not support -filetype=obj(direct object generation) flag. Therefore,
the following tests are being XFAILed:

test/DebugInfo/dwarf-public-names.ll
test/DebugInfo/member-pointers.ll
test/DebugInfo/two-cus-from-same-file.ll

llvm-svn: 177901
2013-03-25 20:20:34 +00:00
Benjamin Kramer
06ead4a9fa Move X86-dependent test into the right subdirectory.
llvm-svn: 177821
2013-03-23 09:35:44 +00:00
David Blaikie
43ccb69f6a reorder the fields in DILexicalBlockFile to match the common prefix for DIScopes
llvm-svn: 177754
2013-03-22 19:13:22 +00:00
David Blaikie
c2fe0cb2ae Refactor out the DIFile parameter to DILexicalBlock to refer to the raw file/directory pair
llvm-svn: 177742
2013-03-22 17:33:20 +00:00
David Blaikie
620d0ae359 Reorder the DIFile field in DILexicalBlock to become a prefix common with other DIScopes
llvm-svn: 177703
2013-03-22 05:47:44 +00:00
Chandler Carruth
cdea7a21e5 Remove the ARM-specific variant of this test. It's already covered by
the ARM build bots, and it adds a weird case to the test suite where
a test uses as inputs files in the parent directory.

Talked about this with Dave on IRC and he's fine with this approach even
though it isn't optimal.

llvm-svn: 177700
2013-03-22 05:16:46 +00:00
David Blaikie
c9d598113b Refactor the filename/directory information in DISubprogram to refer directly to the pair rather than the DIFile.
llvm-svn: 177677
2013-03-21 23:08:34 +00:00
David Blaikie
648a81f32c Move the DIFile in DISubprogram to the beginning to be a common prefix along with other DIScopes
llvm-svn: 177674
2013-03-21 22:29:36 +00:00
David Blaikie
67c9dc82dc Remove unused field in DISubprogram
llvm-svn: 177661
2013-03-21 20:28:52 +00:00
David Blaikie
b2d35852ea Debug info: refactor the first field of DICompileUnit to be a raw file/directory pair
This removes the DICompileUnit special case from DIScope.

llvm-svn: 177610
2013-03-20 23:58:12 +00:00
David Blaikie
78d3bdea74 Debug Info: Swap the 2nd and 3rd parameters to DICompileUnit to match the common DIScope prefix
llvm-svn: 177595
2013-03-20 22:52:54 +00:00
David Blaikie
30abbc718f Remove unused field in DICompileUnit
llvm-svn: 177590
2013-03-20 22:34:33 +00:00
David Blaikie
6ddc4bafc5 Refactor file/directory path in namespace debug info to refer directly to the pair rather than the DIFile
(paired to a Clang test - excuse the buildbot skew/fallout)

llvm-svn: 177566
2013-03-20 19:39:15 +00:00
David Blaikie
46c7a618eb Enhance debug info namespace test to check for context/scope reference
The differing file (due to the #line directive in the original source) is for
future testing improvements coming soon.

llvm-svn: 177560
2013-03-20 19:14:16 +00:00
David Blaikie
831562829d Make target-specific test case in r177474 only run when that target is built
llvm-svn: 177545
2013-03-20 17:39:02 +00:00
David Blaikie
2a48d29317 Reorder the DIFile parameter in DINameSpace
Moving the DIFile parameter to immediately proceed the tag so that it will be a
common prefix with other DIScopes (once the DIFile is replaced with the raw
file/directory pair).

llvm-svn: 177492
2013-03-20 06:27:06 +00:00
David Blaikie
1fd12ea0e9 Test DW_TAG_namespace support in the backend
This is the backend portion of a Clang test case
(clang/test/CodeGenCXX/debug-info-namespace.cpp) that was roughly/coarsely
testing LLVM.

llvm-svn: 177487
2013-03-20 05:15:37 +00:00
David Blaikie
86e6b201fd Fix test case regression on ARM & PPC introduced r177239
llvm-svn: 177474
2013-03-20 01:55:11 +00:00
David Blaikie
b9f490e28c Refactor the DIFile (2nd) parameter to DITypes to be an MDNode reference to a raw directory/file pair
This makes DIType's first non-tag parameter the same as DIFile's, allowing them
to both share the common implementation of getFilename/getDirectory in DIScope.

llvm-svn: 177467
2013-03-20 00:26:26 +00:00
David Blaikie
dd2f7e5b88 Move the DIFile operand to DITypes from the 4th operand to the 2nd.
This is another step along the way to making all DIScopes have a common prefix
which can be added to in a general manner to support using directives
(DW_TAG_imported_module).

llvm-svn: 177462
2013-03-19 23:25:22 +00:00
David Blaikie
3193e0599a Split out filename & directory from DIFile to start generalizing over DIScopes
This is the first step to making all DIScopes have a common metadata prefix (so
that things (using directives, for example) that can appear in any scope can be
added to that common prefix). DIFile is itself a DIScope so the common prefix
of all DIScopes cannot be a DIFile - instead it's the raw filename/directory
name pair.

llvm-svn: 177239
2013-03-17 21:13:55 +00:00
Adrian Prantl
e3d19c207e Test that we emit a DW_AT_location for self captured by a block.
This is the backend part of a CFE test with the same name.

llvm-svn: 177087
2013-03-14 17:54:13 +00:00
David Blaikie
d2ec7b04e9 Remove an extra operand to a DIFile metadata entry
(extra cleanup/fallout from r176983 - not sure why I didn't catch this locally)

llvm-svn: 176988
2013-03-13 22:33:09 +00:00
David Blaikie
127d79d573 Remove the unused 4th operand for DIFile debug info metadata
llvm-svn: 176983
2013-03-13 22:05:21 +00:00
David Blaikie
3c701e7671 Refactor filename/directory in DICompileUnit into a DIFile
This is the next step towards making the metadata for DIScopes have a common
prefix rather than having to delegate based on their tag type.

llvm-svn: 176913
2013-03-13 00:01:35 +00:00
David Blaikie
98d9ccffb8 Remove unused "isMain" field from DICompileUnit
llvm-svn: 176910
2013-03-12 22:43:04 +00:00
David Blaikie
c37a0a822a Update debug info test cases with empty SplitDebugFilename field.
This could be 'null' or the empty string, DIDescriptor::getStringField
coalesces the two cases anyway so it's just a matter of legible/efficient
representation.

The change in behavior of the DICompileUnit::get* functions could be
subsumed by the full verification check - but ideally that should just be an
assertion if we could front-load the actual debug info metadata failure paths.

llvm-svn: 176907
2013-03-12 22:25:36 +00:00
David Blaikie
00170a5a62 Upgrading debug info test cases to be (more) compatible with the current debug info format.
These cases were found by further work to remove support for debug info
versioning. Common cleanups (other than changing the version info in the tag
field) included adding the last parameter to compile_units (recently added for
fission support) and other cases of trailing fields in lexical blocks, compile
units, and subprograms.

llvm-svn: 176834
2013-03-11 22:37:40 +00:00
David Blaikie
2d9edabe41 Remove -print-dbginfo as it is unused & bitrotten.
This pass hasn't been touched in two years & would fail with assertions against
the current debug info metadata format (the only test case for it still uses a
many-versions old debug info metadata format)

llvm-svn: 176707
2013-03-08 18:17:46 +00:00
David Blaikie
41f29ff448 Upgrade tests to the latest debug info format.
Mostly this is just changing the named metadata (llvm.dbg.sp, llvm.dbg.gv,
llvm.dbg.<func>.lv, etc -> llvm.dbg.cu), adding a few fields to older records
(DIVariable: flags/inlined-at, DICompileUnit: sp/gv/types,
DISubprogram: local variables list)

The tests to update were discovered by a change I'm working on to remove debug
info version support - so any tests using old debug info versions I haven't
updated probably are bad tests or just not actually designed to test debug
info.

llvm-svn: 176671
2013-03-08 00:23:31 +00:00
Manman Ren
4287c8ee15 Debug Info: store the files and directories for each compile unit.
We now emit a line table for each compile unit. To reduce the prologue size
of each line table, the files and directories used by each compile unit are
stored in std::map<unsigned, std::vector< > > instead of std::vector< >.

The prologue for a lto'ed image can be as big as 93K. Duplicating 93K for each
compile unit causes a huge increase of debug info. With this patch, each
prologue will only emit the files required by the compile unit.

rdar://problem/13342023

llvm-svn: 176605
2013-03-07 01:42:00 +00:00
Manman Ren
000b54a794 Debug Info: for static member variables, always put AT_MIPS_linkage_name to the
definition DIE (TAG_variable), and put AT_MIPS_linkage_name to TAG_member when
DarwinGDBCompat is true.

Darwin GDB needs AT_MIPS_linkage_name at both places to work.

Follow-up patch to r176143.
rdar://problem/13291234

llvm-svn: 176220
2013-02-27 23:21:02 +00:00
Manman Ren
1d8fd8cd0b Debug Info: for static member variables, add AT_MIPS_linkage_name to the
definition DIE, to make old GDB happy.

We have a regression for old GDB when Clang uses DW_TAG_member to declare
static members inside a class, instead of DW_TAG_variable. This patch will fix
this regression.

rdar://problem/13291234

llvm-svn: 176143
2013-02-27 00:02:32 +00:00
Manman Ren
42d2b4e31b Revert r176120 as it caused a failure at static-member.cpp
llvm-svn: 176129
2013-02-26 22:35:53 +00:00
Manman Ren
40ce47fba3 Debug Info: for static member variables, move AT_MIPS_linkage_name from
TAG_member inside a class to the specification DIE.

Having AT_MIPS_linkage_name on TAG_member caused old gdb (GNU 6.3.50) to
error out. Also gcc 4.7 has AT_MIPS_linkage_name on the specification DIE.

rdar://problem/13291234

llvm-svn: 176120
2013-02-26 20:48:29 +00:00
Eric Christopher
62acc0ab2d Use getSplitDebugFilename when constructing the skeleton cu and
update testcase accordingly to give the correct name to the cu.

llvm-svn: 175934
2013-02-22 23:50:08 +00:00
Eli Bendersky
1185958e53 Previously, parsing capability of the .debug_frame section was added
to lib/DebugInfo, with dumping in llvm-dwarfdump. This patch adds
initial ability to parse and dump CFA instructions contained in
entries.

To keep it manageable, the patch omits some more advanced capabilities
(accounted in TODOs):

* Parsing of instructions with BLOCK arguments (expression lists)
* Dumping of actual instruction arguments (currently only names are
dumped). This is quite tricky since the dumper has to effectively
"interpret" the instructions.

llvm-svn: 175820
2013-02-21 22:53:19 +00:00
Krzysztof Parzyszek
e5b4384acf Add testcase for llvm-dwarfdump to test parsing of the pubnames data.
llvm-svn: 175168
2013-02-14 16:10:58 +00:00
Elena Demikhovsky
aa5d21bae6 Moved line-info.ll to DebugInfo\X86 directory
llvm-svn: 175150
2013-02-14 09:07:34 +00:00
Elena Demikhovsky
acbb705ee4 The test failed on Windows. I've changed the platform to run to "x86_64-apple-darwin".
llvm-svn: 175146
2013-02-14 08:23:08 +00:00
Manman Ren
b5e3203959 Clean up LDV, no functionality change.
Remove dead functions: renameRegister
Move private member variables from LDV to Impl
Remove ssp/uwtable from testing case

llvm-svn: 175072
2013-02-13 20:23:48 +00:00
Manman Ren
7c3626e9c0 Debug Info: LiveDebugVarible can remove DBG_VALUEs, make sure we emit them back.
RegisterCoalescer used to depend on LiveDebugVariable. LDV removes DBG_VALUEs
without emitting them at the end.

We fix this by removing LDV from RegisterCoalescer. Also add an assertion to
make sure we call emitDebugValues if DBG_VALUEs are removed at
runOnMachineFunction.

rdar://problem/13183203
Reviewed by Andy & Jakob

llvm-svn: 175023
2013-02-13 01:14:49 +00:00
Krzysztof Parzyszek
9d40323823 Remove target-specific info from the testcase for DWARF/pubnames.
llvm-svn: 174992
2013-02-12 18:53:21 +00:00
Krzysztof Parzyszek
bb3116f965 Allow optionally generating pubnames section in DWARF info. Introduce
option "generate-dwarf-pubnames" to control it, set to "false" by default.

llvm-svn: 174981
2013-02-12 18:00:14 +00:00
Tim Northover
763e9e99e3 AArch64: generate dwarfdump test rather than include .o in subversion
llvm-svn: 174891
2013-02-11 16:28:12 +00:00
Tim Northover
e77be415c6 AArch64: Add basic relocation processing for llvm-dwarfdump.
This allows llvm-dwarfdump to handle the relocations needed, at least
for LLVM-produced code.

llvm-svn: 174874
2013-02-11 11:16:02 +00:00
Manman Ren
84cef7386f Dwarf: do not use line_table_start in at_stmt_list since we do not always emit
line table entries in assembly.

llvm-svn: 174785
2013-02-09 00:41:44 +00:00
Alexey Samsonov
560a144924 Update tests for DWARF parser: store sources next to pre-built object files and provide build instructions
llvm-svn: 174711
2013-02-08 14:34:33 +00:00
Eli Bendersky
5d729faceb Fix typo
llvm-svn: 174553
2013-02-06 22:34:46 +00:00
Eli Bendersky
f78757381b Add a comment to the test that points to the source from which the input object
file was generated.

llvm-svn: 174551
2013-02-06 22:17:40 +00:00
Eli Bendersky
294e89257b Add a test for checking the current .debug_frame dumping capability.
The test is a binary placed in test/DebugInfo/Inputs, with a source C
file used for reference/reproducing. The source's first line is a clang
build command for reproducing the binary.

llvm-svn: 174543
2013-02-06 20:55:06 +00:00
Manman Ren
6edff4edb0 Attempt to recover gdb bot after r174445.
Failure: undefined symbol 'Lline_table_start0'.
Root-cause: we use a symbol subtraction to calculate at_stmt_list, but
the line table entries are not dumped in the assembly.
Fix: use zero instead of a symbol subtraction for Compile Unit 0.

llvm-svn: 174479
2013-02-06 00:59:41 +00:00
Manman Ren
b9bd895a06 Dwarf: support for LTO where a single object file can have multiple line tables
We generate one line table for each compilation unit in the object file.
Reviewed by Eric and Kevin.

rdar://problem/13067005

llvm-svn: 174445
2013-02-05 21:52:47 +00:00
Eric Christopher
05703549cf Add support for testing the output of the abbrev table for the
skeleton CU as part of the DWARF5 split dwarf proposal.

llvm-svn: 174351
2013-02-05 07:32:00 +00:00
Eric Christopher
a075509e5d Add support for emitting a stub DW_AT_GNU_dwo_id as part of the
DWARF5 split dwarf proposal.

llvm-svn: 174350
2013-02-05 07:31:55 +00:00
Tim Northover
2b8c1ed13e Update debugging test for change in expected metadata.
llvm-svn: 174321
2013-02-04 12:15:00 +00:00
David Blaikie
3f58472b83 [DebugInfo] remove more node indirection (this time from the subprogram's variable lists)
llvm-svn: 174305
2013-02-04 05:56:36 +00:00
David Blaikie
7c3ec60da7 Remove the (apparently) unnecessary debug info metadata indirection.
The main lists of debug info metadata attached to the compile_unit had an extra
layer of metadata nodes they went through for no apparent reason. This patch
removes that (& still passes just as much of the GDB 7.5 test suite). If anyone
can show evidence as to why these extra metadata nodes are there I'm open to
reverting this patch & documenting why they're there.

llvm-svn: 174266
2013-02-02 05:56:24 +00:00
Manman Ren
61d8eb9337 Removing ssp and uwtable from the testcase
llvm-svn: 174259
2013-02-02 01:34:38 +00:00
Manman Ren
783b7811da [Dwarf] avoid emitting multiple AT_const_value for static memebers.
Testing case is reduced from MultiSource/BenchMarks/Prolangs-C++/deriv1.

rdar://problem/13071590

llvm-svn: 174235
2013-02-01 23:54:37 +00:00
Tim Northover
62526ce9c9 Add explicit triples to AArch64 tests
Only Linux is supported at the moment, and other platforms quickly fault. As a
result these tests would fail on non-Linux hosts. It may be worth making the
tests more generic again as more platforms are supported.

llvm-svn: 174170
2013-02-01 11:40:47 +00:00
Tim Northover
e2b0519ed8 Add AArch64 as an experimental target.
This patch adds support for AArch64 (ARM's 64-bit architecture) to
LLVM in the "experimental" category. Currently, it won't be built
unless requested explicitly.

This initial commit should have support for:
    + Assembly of all scalar (i.e. non-NEON, non-Crypto) instructions
      (except the late addition CRC instructions).
    + CodeGen features required for C++03 and C99.
    + Compilation for the "small" memory model: code+static data <
      4GB.
    + Absolute and position-independent code.
    + GNU-style (i.e. "__thread") TLS.
    + Debugging information.

The principal omission, currently, is performance tuning.

This patch excludes the NEON support also reviewed due to an outbreak of
batshit insanity in our legal department. That will be committed soon bringing
the changes to precisely what has been approved.

Further reviews would be gratefully received.

llvm-svn: 174054
2013-01-31 12:12:40 +00:00
David Blaikie
168e35edd8 Support artificial parameters in function types.
Provides the functionality for Clang change r172911 - I just had this still
lying around.

llvm-svn: 173820
2013-01-29 19:35:24 +00:00
David Blaikie
cb286de665 PR14566: Debug Info: Removing top level lexical blocks
This adds support for LLVM to accept metadata that doesn't include a top level
lexical block in a function. Specifically LLVM couldn't handle this when there
were file changes relating to these blocks. I've updated a few test cases to
ensure other functionality (such as inlining) isn't affected by this change, but
haven't pervasively updated all the test cases.

llvm-svn: 173592
2013-01-26 21:55:23 +00:00
Andrew Kaylor
2677c75e5d Add DIContext::getLineInfoForAddressRange() function and test. This function allows a caller to obtain a table of line information for a function using the function's address and size.
llvm-svn: 173537
2013-01-26 00:28:05 +00:00
Andrew Kaylor
c9fa0590eb Add support for applying in-memory relocations to the .debug_line section and, in the case of ELF files, using symbol addresses when available for relocations to the .debug_info section. Also extending the llvm-rtdyld tool to add the ability to dump line number information for testing purposes.
llvm-svn: 173517
2013-01-25 22:50:58 +00:00
Eli Bendersky
9ea07b5a8e Add back a RUN line removed by mistake by a previous commit
llvm-svn: 173502
2013-01-25 21:58:09 +00:00
Eli Bendersky
027ead6802 Now that llvm-dwarfdump supports flags to specify which DWARF section to dump,
use them in tests that run llvm-dwarfdump. This is in order to make tests as
specific as possible.

llvm-svn: 173498
2013-01-25 21:44:53 +00:00
Eli Bendersky
1b58747212 Add command-line flags for DWARF dumping.
Flags for dumping specific DWARF sections added in lib/DebugInfo and
llvm-dwarfdump.

llvm-svn: 173480
2013-01-25 20:26:43 +00:00
David Blaikie
7af654510b The last of PR14471 - emission of constant floats
llvm-svn: 172941
2013-01-20 01:18:01 +00:00
David Blaikie
3498a9c833 Fix a latent bug exposed by recent static member debug info changes.
We weren't encoding boolean constants correctly due to modeling boolean as a
signed type & then sign extending an i1 up to a byte & getting 255.

llvm-svn: 172926
2013-01-19 23:00:25 +00:00
Eric Christopher
0a652f09e1 Split out DW_OP_addr for the split debug info DWARF5 proposal.
llvm-svn: 172857
2013-01-18 22:11:33 +00:00
Eric Christopher
bd3c66b31a Fix the assembly and dissassembly of DW_FORM_sec_offset. Found this by
changing both the string of the dwo_name to be correct and the type of
the statement list.

Testcases all around.

llvm-svn: 172699
2013-01-17 03:00:04 +00:00
Eric Christopher
7c06c5fb2b Add the DW_AT_GNU_addr_base for the skeleton cu. Add support for
emitting the dwarf32 version of DW_FORM_sec_offset and correct
disassembler support.

llvm-svn: 172698
2013-01-17 02:59:59 +00:00
Eric Christopher
961c3d7f24 Make this test X86 only.
llvm-svn: 172652
2013-01-16 20:31:35 +00:00
Eric Christopher
07e3b98cb9 Move this to X86.
llvm-svn: 172651
2013-01-16 20:31:32 +00:00
Eric Christopher
1a2014e917 Add testcase missed yesterday from Paul Robinson.
llvm-svn: 172646
2013-01-16 19:53:47 +00:00
Eric Christopher
a159b6c731 Split address information for DWARF5 split dwarf proposal. This involves
using the DW_FORM_GNU_addr_index and a separate .debug_addr section which
stays in the executable and is fully linked.

Sneak in two other small changes:

a) Print out the debug_str_offsets.dwo section.
b) Change form we're expecting the entries in the debug_str_offsets.dwo
   section to take from ULEB128 to U32.

Add tests for all of this in the fission-cu.ll test.

llvm-svn: 172578
2013-01-15 23:56:56 +00:00
Eric Christopher
10732946b5 Add the C testcase to this file.
Suggested by Dave Blaikie.

llvm-svn: 171839
2013-01-08 03:03:14 +00:00
Eric Christopher
eedffc4f2b Remove the llvm-local DW_TAG_vector_type tag and add a test to
make sure that vector types do work.

llvm-svn: 171833
2013-01-08 01:53:52 +00:00
David Blaikie
b1e37c8c96 Mark artificial types as such in the annotated debug output.
llvm-svn: 171826
2013-01-08 00:31:02 +00:00
Eric Christopher
ba738518f0 Add support for separating strings for the split debug info DWARF5
proposal. This leaves the strings in the skeleton die as strp,
but in all dwo files they're accessed now via DW_FORM_GNU_str_index.

Add support for dumping these sections and modify the fission-cu.ll
testcase to have the correct strings and form. Fix a small bug
in the fixed form sizes routine that involved out of array accesses
for the table and add a FIXME in the extractFast routine to fix
this up.

llvm-svn: 171779
2013-01-07 19:32:41 +00:00
David Blaikie
1cad7a906f Make test/DebugInfo/member-pointers.ll portable by removing the TargetData
llvm-svn: 171759
2013-01-07 17:52:49 +00:00
David Blaikie
dee7d1599f PR14759: Debug info support for C++ member pointers.
This works fine with GDB for member variable pointers, but GDB's support for
member function pointers seems to be quite unrelated to
DW_TAG_ptr_to_member_type. (see GDB bug 14998 for details)

llvm-svn: 171698
2013-01-07 05:51:15 +00:00
David Blaikie
b0628c5e77 Include access modifiers in subprogram metadata IR comment.
Based on code review feedback in r171604 from Chandler Carruth &
Eric Christopher.

llvm-svn: 171636
2013-01-05 21:39:33 +00:00
David Blaikie
4f1d3763ec Emit DW_TAG_formal_parameter for unnamed parameters.
This change essentially reverts r87069 which came without a test case. It
causes no regressions in the GDB 7.5 test suite & fixes 25 xfails (commit
to the test suite to follow). If anyone can present a test case that
demonstrates why this check is necessary I'd be happy to account for it in one
way or another.

llvm-svn: 171609
2013-01-05 07:43:02 +00:00
Eric Christopher
3f90fbe286 Add a name for the anonymous type we're creating for subrange
types and a FIXME for what we should be doing. Should solve the
immediacy of PR12069 where our debug info is crashing another
tool.

llvm-svn: 171536
2013-01-04 21:51:53 +00:00
Eric Christopher
03fdb543d9 Extend the dumping infrastructure to deal with additional
sections for debug info. These are some of the dwo sections from the
DWARF5 split debug info proposal. Update the fission-cu.ll testcase
to show what we should be able to dump more of now.

Work in progress: Ultimately the relocations will be gone for the
dwo section and the strings will be a different form (as well as
the rest of the sections will be included).

llvm-svn: 171428
2013-01-02 23:52:13 +00:00
Eric Christopher
7096eb5a5c For the dwarf5 split debug info code split out the string section
per compile unit/skeleton compile unit. Update tests accordingly.

llvm-svn: 171133
2012-12-27 02:14:01 +00:00
Eric Christopher
eb6482f385 FileCheck-ize.
llvm-svn: 171132
2012-12-27 02:13:58 +00:00
Eric Christopher
4786ae2a5f FileCheck-ize.
llvm-svn: 171131
2012-12-27 02:13:55 +00:00
Eric Christopher
c6fa1e95a2 Right now all of the relocations are 32-bit dwarf, and the relocation
information doesn't return an addend for Rel relocations. Go ahead
and use this information to fix relocation handling inside dwarfdump
for 32-bit ELF REL.

llvm-svn: 171126
2012-12-27 01:07:07 +00:00
Eric Christopher
834b831d7d Move these files over to the debug info directory.
llvm-svn: 170810
2012-12-21 00:03:42 +00:00
Eric Christopher
0f1dd74523 Split out abbreviations for the skeleton info from the rest of
the abbreviations. Part of implementing split dwarf.

llvm-svn: 170589
2012-12-19 22:02:53 +00:00
Eric Christopher
ed859a3fb8 Add support for passing -main-file-name all the way through to
the assembler.

Part of PR14624

llvm-svn: 170390
2012-12-18 00:31:01 +00:00
David Blaikie
71f5587b66 Debug Info: add support to mark member variables as artificial
This is the LLVM portion of r170154.

llvm-svn: 170156
2012-12-13 22:43:07 +00:00
Eric Christopher
2d11b002bc Refactor out the abbreviation handling into a separate class that
controls each of the abbreviation sets (only a single one at the
moment) and computes offsets separately as well for each set
of DIEs.

No real function change, ordering of abbreviations for the skeleton
CU changed but only because we're computing in a separate order. Fix
the testcase not to care.

llvm-svn: 169793
2012-12-10 23:34:43 +00:00
Eric Christopher
c67794597d Use the somewhat semantic term "split dwarf" it more matches what's
going on and makes a lot of the terminology in comments make more sense.

llvm-svn: 169758
2012-12-10 19:51:21 +00:00
Bill Wendling
979b24c6ec Handle non-default array bounds.
Some languages, e.g. Ada and Pascal, allow you to specify that the array bounds
are different from the default (1 in these cases). If we have a lower bound
that's non-default, then we emit the lower bound. We also calculate the correct
upper bound in those cases.

llvm-svn: 169484
2012-12-06 07:38:10 +00:00
Bill Wendling
32e4544198 Use the 'count' attribute to calculate the upper bound of an array.
The count attribute is more accurate with regards to the size of an array. It
also obviates the upper bound attribute in the subrange. We can also better
handle an unbound array by setting the count to -1 instead of the lower bound to
1 and upper bound to 0.

llvm-svn: 169312
2012-12-04 21:34:03 +00:00
David Blaikie
567718b686 Reapply r160148 (reverted in r163570) fixing spurious breakpoints in modern GDB
This reapplies the fix for PR13303 now with more justification. Based on my
execution of the GDB 7.5 test suite this results in:

expected passes: 16101 -> 20890 (+30%)
unexpected failures: 4826 -> 637 (-77%)

There are 23 checks that used to pass and now fail. They are all in
gdb.reverse. Investigating a few looks like they were accidentally passing
due to extra breakpoints being set by this bug. They're generally due to the
difference in end location between gcc and clang, the test suite is trying to
set breakpoints on the closing '}' that clang doesn't associate with any
instructions.

llvm-svn: 169304
2012-12-04 21:05:36 +00:00
Bill Wendling
8ade948576 Add a 'count' field to the DWARF subrange.
The count field is necessary because there isn't a difference between the 'lo'
and 'hi' attributes for a one-element array and a zero-element array. When the
count is '0', we know that this is a zero-element array. When it's >=1, then
it's a normal constant sized array. When it's -1, then the array is unbounded.

llvm-svn: 169218
2012-12-04 06:20:49 +00:00
Eli Bendersky
8655d79bf4 Simplify this test a bit because DWARF emission/dumping on some platforms
is not yet good enough for more sophistication. The important goal of this
test is to make sure llc doesn't crash on this IR like it used to.

llvm-svn: 169146
2012-12-03 19:58:12 +00:00
Eli Bendersky
4b06c42c76 Fix PR12942: Allow two CUs to be generated from the same source file.
Thanks Eric for the review.

llvm-svn: 169142
2012-12-03 18:45:45 +00:00
Eric Christopher
17e71f21a8 Add some first skeleton work for the DWARF5 Fission proposal. Emit
part of the compile unit CU and start separating out information into
the various sections that will be pulled out later.

WIP.

llvm-svn: 169061
2012-11-30 23:59:06 +00:00
Eric Christopher
b34bece6a8 Add a relocation visitor to lib object. This works via caching relocated
values in a map that can be passed to consumers. Add a testcase that
ensures this works for llvm-dwarfdump.

llvm-svn: 167558
2012-11-07 23:22:07 +00:00
Eli Friedman
cf7d009911 Make sure to generate the right kind of MDNode for enum forward declarations.
PR14029, LLVM part.

llvm-svn: 165288
2012-10-05 01:49:14 +00:00
Eric Christopher
1441bd0866 Update this a bit more to represent how the prologue should work:
a) frame setup instructions define the prologue
b) we shouldn't change our location mid-stream

Add a test to make sure that the stack adjustment stays within
the prologue.

llvm-svn: 165250
2012-10-04 20:46:14 +00:00
Eric Christopher
fcbfbbf732 Revert 165051-165049 while looking into the foreach.m failure in
more detail.

llvm-svn: 165099
2012-10-03 08:10:01 +00:00
Eric Christopher
84a8807daa Revert "Don't use a debug location for frame setup instructions in the"
This reverts 165055 and 165052 temporarily while I look at debugger
failures.

llvm-svn: 165071
2012-10-02 23:43:11 +00:00
Eric Christopher
ec50ba329e Allow alternate instructions to silence bot.
llvm-svn: 165055
2012-10-02 21:44:16 +00:00
Eric Christopher
8b1e5d62d8 Don't use a debug location for frame setup instructions in the
prologue. Also skip frame setup instructions when looking for the
first location.

llvm-svn: 165052
2012-10-02 21:17:00 +00:00
Eric Christopher
e8c7bf06b6 Remove the SavePoint infrastructure from fast isel, replace
with just an insert point from the MachineBasicBlock and let
the location be updated as we access it.

llvm-svn: 165049
2012-10-02 21:16:50 +00:00
Benjamin Kramer
aa07e96212 Fix broken tests.
llvm-svn: 165019
2012-10-02 15:49:34 +00:00
Benjamin Kramer
50774721dc Fix tests that didn't test anything.
llvm-svn: 164686
2012-09-26 09:51:39 +00:00
Eric Christopher
eb7dd83969 Only emit DW_AT_object_pointer if this is a definition.
llvm-svn: 164326
2012-09-20 22:51:57 +00:00
NAKAMURA Takumi
ac2900c5f9 llvm/test/DebugInfo: Move two tests, 2010-04-13-PubType.ll and linkage-name.ll to X86.
llvm-svn: 164129
2012-09-18 14:57:11 +00:00
Eric Christopher
853a000638 Recommit, with fixes:
Add some support for dealing with an object pointer on arguments.

    Part of rdar://9797999

which now supports adding the object pointer attribute to the
subprogram as it should.

llvm-svn: 163754
2012-09-12 23:36:19 +00:00
Eric Christopher
e2dae503e6 Revert "Add some support for dealing with an object pointer on arguments."
This should be done on the subprogram, not the variable itself.

llvm-svn: 163734
2012-09-12 18:42:31 +00:00
Eric Christopher
9a8f37667b Add some support for dealing with an object pointer on arguments.
Part of rdar://9797999

llvm-svn: 163667
2012-09-12 00:26:55 +00:00