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Commit Graph

182 Commits

Author SHA1 Message Date
Manman Ren
7a31996783 Debug Info: update testing cases to pass verifier.
llvm-svn: 187362
2013-07-29 18:12:58 +00:00
Benjamin Kramer
2b93c9d1a8 DwarfDebug: MD5 is always little endian, bswap on big endian platforms.
This makes LLVM emit the same signature regardless of host and target endianess.

llvm-svn: 187304
2013-07-27 14:14:43 +00:00
Manman Ren
d32ce58b2f Debug Info Verifier: verify SPs in llvm.dbg.sp.
Also always add DIType, DISubprogram and DIGlobalVariable to the list
in DebugInfoFinder without checking them, so we can verify them later
on.

llvm-svn: 187285
2013-07-27 01:26:08 +00:00
Manman Ren
2bd542e9c6 Debug Info Verifier: enable verification of DICompileUnit.
We used to call Verify before adding DICompileUnit to the list, and now we
remove the check and always add DICompileUnit to the list in DebugInfoFinder,
so we can verify them later on.

llvm-svn: 187237
2013-07-26 20:04:30 +00:00
Eric Christopher
a69ab4618f Move this to the X86 directory, unfortunately the hashes are not
endian independent.

llvm-svn: 187222
2013-07-26 17:35:47 +00:00
Manman Ren
c20620404a Debug Info: improve the verifier to check field types.
Make sure the context field of DIType is MDNode.
Fix testing cases to make them pass the verifier.

llvm-svn: 187150
2013-07-25 19:33:30 +00:00
Rafael Espindola
837f0a4606 Current batch of -disable-debug-info-verifier.
llvm-svn: 187130
2013-07-25 17:16:05 +00:00
Manman Ren
c48140740e Debug Info: improve the verifier to check field types.
Make sure the context and type fields are MDNodes. We will generate
verification errors if those fields are non-empty strings.
Fix testing cases to make them pass the verifier.

llvm-svn: 187106
2013-07-25 06:43:01 +00:00
Manman Ren
425f3c838c Update testing cases to pass debug info verifier.
llvm-svn: 187083
2013-07-24 22:23:00 +00:00
Manman Ren
bf520fe923 Update testing cases to pass debug info verifier.
llvm-svn: 187066
2013-07-24 18:56:43 +00:00
Manman Ren
2abe20d1ee Debug Info: improve the Finder.
Improve the Finder to handle context of a DIVariable used by DbgValueInst.
Fix testing cases to make them pass the verifier.

llvm-svn: 187052
2013-07-24 17:10:09 +00:00
NAKAMURA Takumi
8a95447142 llvm/test/DebugInfo/X86/dbg-value-range.ll: Add -disable-debug-info-verifier, too, since r186902.
llvm-svn: 186930
2013-07-23 06:41:51 +00:00
Manman Ren
3a6f508b6b Debug Info Finder: use processDeclare and processValue to list debug info
MDNodes used by DbgDeclareInst and DbgValueInst.

Another 16 testing cases failed and they are disabled with
-disable-debug-info-verifier.
A total of 34 cases are disabled with -disable-debug-info-verifier and will be
corrected.

llvm-svn: 186902
2013-07-23 00:22:51 +00:00
Bill Wendling
63482ebdd5 Recommit r186217 with testcase fix:
Use the function attributes to pass along the stack protector buffer size.

 Now that we have robust function attributes, don't use a command line option to
 specify the stack protecto buffer size.

llvm-svn: 186863
2013-07-22 20:15:21 +00:00
Manman Ren
d66f7fe8a2 Debug Info: enable verifying by default and disable testing cases that fail.
1> Use DebugInfoFinder to find debug info MDNodes.
2> Add disable-debug-info-verifier to disable verifying debug info.
3> Disable verifying for testing cases that fail (will update the testing cases
   later on).
4> MDNodes generated by clang can have empty filename for TAG_inheritance and
   TAG_friend, so DIType::Verify is modified accordingly.

Note that DebugInfoFinder does not list all debug info MDNode.
For example, clang can generate:
metadata !{i32 786468}, which will fail to verify.
This MDNode is used by debug info but not included in DebugInfoFinder.
This MDNode is generated as a temporary node in DIBuilder::createFunction
  Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
  MDNode::getTemporary(VMContext, TElts)

llvm-svn: 186634
2013-07-19 00:31:03 +00:00
David Blaikie
2ca306c303 Further simplify test case from r186119/r186035.
llvm-svn: 186356
2013-07-15 22:28:45 +00:00
Adrian Prantl
a8066312f8 In response to dblaikie's comment on r186035, replacing the
(reduced LLVM IR) + (full source in comment)
with the
(full LLVM IR) + (reduced src in comment)

llvm-svn: 186119
2013-07-11 21:16:14 +00:00
Adrian Prantl
4150690228 Add a comment.
llvm-svn: 186035
2013-07-10 21:08:02 +00:00
Adrian Prantl
19b226f303 Add a testcase for r186014.
llvm-svn: 186031
2013-07-10 20:43:29 +00:00
Adrian Prantl
99aa5bc65a Un-break the buildbot by tweaking the indirection flag.
Pulled in a testcase from the debuginfo-test suite.

llvm-svn: 185993
2013-07-10 01:53:37 +00:00
Adrian Prantl
52d9227e1d move test into the appropriate subdir.
llvm-svn: 185972
2013-07-09 21:44:11 +00:00
Adrian Prantl
a295f68201 Reapply an improved version of r180816/180817.
Change the informal convention of DBG_VALUE machine instructions so that
we can express a register-indirect address with an offset of 0.
The old convention was 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 register values the combination reg,
reg is used. MachineInstrBuilder::BuildMI knows how to build the new
DBG_VALUES.

rdar://problem/13658587

llvm-svn: 185966
2013-07-09 20:28:37 +00:00
David Blaikie
742cfe7ffb PR14728: DebugInfo: TLS variables with -gsplit-dwarf
llvm-svn: 185398
2013-07-01 23:55:52 +00:00
David Blaikie
b019759ec4 PR16493: DebugInfo with TLS on PPC crashing due to invalid relocation
Restrict the current TLS support to X86 ELF for now. Test that we don't
produce it on PPC & we can flesh that test case out with the right thing
once someone implements it.

llvm-svn: 185389
2013-07-01 21:45:25 +00:00
David Blaikie
5109456c75 DebugInfo: PR14728: TLS support
Based on GCC's output for TLS variables (OP_constNu, x@dtpoff,
OP_lo_user), this implements debug info support for TLS in ELF. Verified
that this output is correct/sufficient on Linux (using gold - if you're
using binutils-ld, you'll need something with the fix for
http://sourceware.org/bugzilla/show_bug.cgi?id=15685 in it).

Support on non-ELF is sort of "arbitrary" at the moment - if Apple folks
want to discuss (or just go ahead & implement) how this should work in
MachO, etc, I'm open.

llvm-svn: 185203
2013-06-28 20:05:11 +00:00
Manman Ren
5bedd08922 Debug Info: clean up usage of Verify.
No functionality change.
It should suffice to check the type of a debug info metadata, instead of
calling Verify. For cases where we know the type of a DI metadata, use
assert.

Also update testing cases to make them conform to the format of DI classes.

llvm-svn: 185135
2013-06-28 05:43:10 +00:00
NAKAMURA Takumi
ae38c4984a Move llvm/test/DebugInfo/arguments.ll to X86, for now. It is still Windows' PECOFF incompatible.
llvm-svn: 184750
2013-06-24 16:05:21 +00:00
David Blaikie
88d5262317 DebugInfo: Support (using GNU extensions) for template template parameters and parameter packs
llvm-svn: 184643
2013-06-22 18:59:11 +00:00
David Blaikie
766a1b151d Give this X86-specific test a triple so it's actually X86-specific.
llvm-svn: 184443
2013-06-20 17:31:32 +00:00
David Blaikie
e21853eb2f DebugInfo: don't use location lists when the location covers the whole function anyway
Fix up three tests - one that was relying on abbreviation number,
another relying on a location list in this case (& testing raw asm,
changed that to use dwarfdump on the debug_info now that that's where
the location is), and another which was added in r184368 - exposing a
bug in that fix that is exposed when we emit the location inline rather
than through a location list. Fix that bug while I'm here.

llvm-svn: 184387
2013-06-20 00:25:24 +00:00
David Blaikie
abcbbb38cb Spelling correction
llvm-svn: 184370
2013-06-19 22:00:13 +00:00
David Blaikie
c3cec14be6 DebugInfo: PR14763/r183329 correct the location of indirect parameters
We had been papering over a problem with location info for non-trivial
types passed by value by emitting their type as references (this caused
the debugger to interpret the location information correctly, but broke
the type of the function). r183329 corrected the type information but
lead to the debugger interpreting the pointer parameter as the value -
the debug info describing the location needed an extra dereference.

Use a new flag in DIVariable to add the extra indirection (either by
promoting an existing DW_OP_reg (parameter passed in a register) to
DW_OP_breg + 0 or by adding DW_OP_deref to an existing DW_OP_breg + n
(parameter passed on the stack).

llvm-svn: 184368
2013-06-19 21:55:13 +00:00
Manman Ren
7ef1e78101 LTO+Debug Info: revert r182791.
Since the testing case uses ref_addr, which requires version 3+ to work,
we will solve the dwarf version issue first.

This patch also causes failures in one of the bots. I will update the patch
accordingly in my next attempt.

rdar://13926659

llvm-svn: 182867
2013-05-29 17:16:59 +00:00
Benjamin Kramer
c544c1401e Move test that depends on the X86 backend into the right subdirectory.
llvm-svn: 182834
2013-05-29 08:40:49 +00:00
David Blaikie
d6f48e3a73 Solidify the assumption that a DW_TAG_subprogram's type is a DW_TAG_subroutine_type
There were bits & pieces of code lying around that may've given the
impression that debug info metadata supported the possibility that a
subprogram's type could be specified by a non-subroutine type describing
the return type of a void function. This support was incomplete &
unnecessary. Asserts & API have been changed to make the desired usage
more clear.

llvm-svn: 182532
2013-05-22 23:22:18 +00:00
Manman Ren
d272ba0f1a Dwarf: use a single line table to generate assembly when .loc is used.
This is to fix PR15408 where an undefined symbol Lline_table_start1 is used.
Since we do not generate the debug_line section when .loc is used,
Lline_table_start1 is not emitted and we can't refer to it when calculating
at_stmt_list for a compile unit.

llvm-svn: 182344
2013-05-21 00:57:22 +00:00
Adrian Prantl
b4cf77f945 Generate debug info for by-value struct args even if they are not used.
radar://problem/13865940

llvm-svn: 182062
2013-05-16 23:44:12 +00:00
David Blaikie
cda1715add Give the test from r181632 a target triple.
llvm-svn: 181637
2013-05-10 22:14:39 +00:00
Eric Christopher
b48ba83359 Revert "Make sure debug info contains linkage names (DW_AT_MIPS_linkage_name)"
temporarily while investigating gdb.cp/templates.exp.

This reverts commit r181471.

llvm-svn: 181496
2013-05-09 00:42:33 +00:00
Eric Christopher
dfe2e69b49 Make sure debug info contains linkage names (DW_AT_MIPS_linkage_name)
for constructors and destructors since the original declaration given
by the AT_specification both won't and can't.

Patch by Yacine Belkadi, I've cleaned up the testcases.

llvm-svn: 181471
2013-05-08 21:23:22 +00:00
Manman Ren
0e2c14381d 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: 180935
2013-05-02 18:11:35 +00:00
Adrian Prantl
7482401c1d Temporarily revert "Change the informal convention of DBG_VALUE so that we can express a"
because it breaks some buildbots.

This reverts commit 180816.

llvm-svn: 180819
2013-04-30 22:35:14 +00:00
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
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
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
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