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* DebugInfo: Adapt to loss of DITypeRef in LLVM r267296Duncan P. N. Exon Smith2016-04-231-3/+2
| | | | | | | | | | | | | LLVM stopped using MDString-based type references, and DIBuilder no longer fills 'retainedTypes:' with every DICompositeType that has an 'identifier:' field. There are just minor changes to keep the same behaviour in CFE. Leaving 'retainedTypes:' unfilled has a dramatic impact on the output order of the IR though. There are a huge number of testcase changes, which were unfortunately not really scriptable. llvm-svn: 267297
* DebugInfo: Make DICompositeTypes distinct most of the timeDuncan P. N. Exon Smith2016-04-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Since elements of most kinds of DICompositeType have back references, most are involved in uniquing cycles. Except via the ODR 'identifier:' field, which doesn't care about the storage type (see r266549), they have no hope of being uniqued. Distinct nodes are far more efficient, so use them for most kinds of DICompositeType definitions (i.e., when DIType::isForwardDecl is false). The exceptions: - DW_TAG_array_type, since their elements never have back-references and they never have ODR 'identifier:' fields; - DW_TAG_enumeration_type when there is no ODR 'identifier:' field, since their elements usually don't have back-references. This breaks the last major uniquing cycle I'm aware of in the debug info graph. The impact won't be enormous for C++ because references to ODR-uniqued nodes still use string-based DITypeRefs; but this should prevent a regression in C++ when we drop the string-based references. This wouldn't have been reasonable until r266549, when composite types stopped relying on being uniqued by structural equivalence to prevent blow-ups at LTO time. llvm-svn: 266556
* Stop messing with the 'g' group of options in CompilerInvocation.Douglas Katzman2015-10-081-1/+1
| | | | | | | | | | | | | | | | With this change, most 'g' options are rejected by CompilerInvocation. They remain only as Driver options. The new way to request debug info from cc1 is with "-debug-info-kind={line-tables-only|limited|standalone}" and "-dwarf-version={2|3|4}". In the absence of a command-line option to specify Dwarf version, the Toolchain decides it, rather than placing Toolchain-specific logic in CompilerInvocation. Also fix a bug in the Windows compatibility argument parsing in which the "rightmost argument wins" principle failed. Differential Revision: http://reviews.llvm.org/D13221 llvm-svn: 249655
* DebugInfo: Metadata constructs now start with DI*Duncan P. N. Exon Smith2015-04-291-4/+4
| | | | | | | | | | LLVM r236120 renamed debug info IR constructs to use a `DI` prefix, now that the `DIDescriptor` hierarchy has been gone for about a week. This commit was generated using the rename-md-di-nodes.sh upgrade script attached to PR23080, followed by running clang-format-diff.py on the `lib/` portion of the patch. llvm-svn: 236121
* DebugInfo: Move new hierarchy into place (clang)Duncan P. N. Exon Smith2015-03-031-4/+8
| | | | | | | Update testcases for LLVM change in r231082 to use the new debug info hierarchy. llvm-svn: 231083
* IR: Make metadata typeless in assembly, clang sideDuncan P. N. Exon Smith2014-12-151-4/+4
| | | | | | Match LLVM changes from r224257. llvm-svn: 224259
* Revert "Revert "DI: LLVM schema change: fold constants into string""Duncan P. N. Exon Smith2014-10-031-1/+1
| | | | | | | | | | | | | | This reverts commit r218917, effectively reapplying r218913. Original commit message follows. -- Update debug info testcases for an LLVM metadata schema change to fold metadata constant operands into a single `MDString`. Part of PR17891. llvm-svn: 219011
* Revert "DI: LLVM schema change: fold constants into string"Duncan P. N. Exon Smith2014-10-021-1/+1
| | | | | | This reverts commit r218913 while I investigate some bots. llvm-svn: 218917
* DI: LLVM schema change: fold constants into stringDuncan P. N. Exon Smith2014-10-021-1/+1
| | | | | | | | | Update debug info testcases for an LLVM metadata schema change to fold metadata constant operands into a single `MDString`. Part of PR17891. llvm-svn: 218913
* Debug info: Only emit C++ accessibility specifiers when they are divergingAdrian Prantl2014-08-291-1/+1
| | | | | | | | from the default for the containing type. rdar://problem/18154959 llvm-svn: 216800
* Debug Info: update testing cases when the context field of subprogram is updatedManman Ren2013-10-101-2/+2
| | | | | | | | to use DIScopeRef. Paired commit with r192378. llvm-svn: 192379
* Debug Info: update testing cases when the derived-from field of aManman Ren2013-10-051-1/+1
| | | | | | | | DW_TAG_pointer_type is updated to use DITypeRef. Paired commit with r192018. llvm-svn: 192019
* Temporarily revert r191801 due to conflicts with the revert of r191792.Eric Christopher2013-10-041-1/+1
| | | | llvm-svn: 191968
* Debug Info: update testing cases when the derived-from field of aManman Ren2013-10-011-1/+1
| | | | | | | | DW_TAG_pointer_type is updated to use DITypeRef. Paired commit with r191800. llvm-svn: 191801
* Debug Info: generate a unique identifier for C++ struct, class, union, and enum.Manman Ren2013-08-291-1/+1
| | | | | | | | | | | | | | | | We use CXX mangler to generate unique identifier for external C++ struct, union, class and enum. Types with unique identifier are added to retained types by DIBuilder. Testing cases are updated to reflect the unique identifier generated for types. The order of MDNodes is changed because of retained types and testing cases are updated accordingly. Testing case debug-info-uuid.cpp now emits error with Itanium mangler, since uuid is not yet handled in Itanium mangler. And it will check for the error message. llvm-svn: 189622
* Debug Info: this reverts commit r189600.Manman Ren2013-08-291-1/+1
| | | | | | | | We had further discussions on how to retain types, whether to do it in front end or in DIBuilder. And we agree to do it in DIBuilder so front ends generating unique identifier do not need to worry about retaining them. llvm-svn: 189609
* Debug Info: generate a unique identifier for C++ struct, class, union, and enum.Manman Ren2013-08-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | We use CXX mangler to generate unique identifier for external C++ struct, union, class and enum. Types with unique identifier are added to RetainedTypes to make sure they are treated as used even when all uses are replaced with the identifiers. A single type can be added to RetainedTypes multiple times. For example, both createForwardDecl and createLimitedType can add the same type to RetainedTypes. A set is used to avoid duplication when updating AllRetainTypes in DIBuilder. Testing cases are updated to reflect the unique identifier generated for types. The order of MDNodes is changed because of retained types and testing cases are updated accordingly. Testing case debug-info-uuid.cpp now emits error with Itanium mangler, since uuid is not yet handled in Itanium mangler. We choose to update RetainedTypes in clang, then at finalize(), we update AllRetainTypes in DIBuilder. The other choice is to update AllRetainTypes in DIBuilder when creating a DICompositeType with unique identifier. This option requires using ValueHandle for AllRetainTypes in DIBuilder since the created DICompositeType can be modified later on by setContainingType etc. llvm-svn: 189600
* Debug Info: follow-up patch to r189283.Manman Ren2013-08-261-1/+1
| | | | | | | Thanks David for his suggestion. This commit updates testing cases to have more specific CHECKs. llvm-svn: 189286
* Debug Info: add an identifier field to DICompositeType.Manman Ren2013-08-261-1/+1
| | | | | | | Paired with llvm r189282. Update testing cases to handle an extra field for DICompositeType. llvm-svn: 189283
* Simplify/generalize some debug info test casesDavid Blaikie2013-03-191-6/+5
| | | | | | | | | Mostly, try to depend on the annotation comments more so these tests are more legible, brief, and agnostic to schema changes in the future (sure, they're not agnostic to changes to the comment annotations but since they're easier to read they should be easier to update if that happens). llvm-svn: 177457
* Generalize DebugInfo tests by avoiding explicit metadata numbersDavid Blaikie2013-02-021-5/+5
| | | | | | | | | | | | | | | This addresses several (not all) debug info tests that use explicit metadata numbers. Wherever the same number appeared more than once in a test I used a named match to ensure the same number appeared in all those cases (this may still be overly constraining test cases as they may not have actually cared about that relationship). For one-off numbers I just replaced them with an unnamed regex. This may underconstrain poorly written test cases that were interested in checking that certain metadata nodes were related but didn't actually match on all the related nodes numbers. llvm-svn: 174247
* Add [artificial] debug info annotation to test matching r171826David Blaikie2013-01-081-1/+1
| | | | llvm-svn: 171830
* Reapply:Eric Christopher2012-09-121-1/+1
| | | | | | | | | | | Make clang emit a flag for DW_AT_object_pointer for the artificial args where it should (implicit first arguments). FileCheck-ize a test as well and update tests to take into account the object pointer flag. rdar://9797999 llvm-svn: 163755
* Revert "Make clang emit a flag for DW_AT_object_pointer for the artificial"Eric Christopher2012-09-121-1/+1
| | | | | | this should be done on the subprogram, not the variable. llvm-svn: 163733
* Make clang emit a flag for DW_AT_object_pointer for the artificialEric Christopher2012-09-121-1/+1
| | | | | | | | | | args where it should (implicit first arguments). FileCheck-ize a test as well and update tests to take into account the object pointer flag. rdar://9797999 llvm-svn: 163668
* Forward declarations should take a context. This helps the debuggerEric Christopher2012-04-231-5/+5
| | | | | | | | | find forward declarations in the context that the actual definition will occur. rdar://11291658 llvm-svn: 155381
* Change location information for synthesized properties to be at theEric Christopher2012-04-031-1/+1
| | | | | | | | | | | | | | | | | | property file/line rather than the @synthesize file/line. Avoids some nasty confusing-ness with conflating the file from the scope and the line from the original declaration. Use the current scope location as a separate parameter so that we can match it up better in the line table with the beginning of the scope. Update a couple of testcases accordingly since I had to change that we actually use the passed in location in EmitFunctionStart and for the new metadata parameter and add a new testcase to make sure we've got the right line numbers for synthesized properties. Part of rdar://11026482 llvm-svn: 153917
* Make this test a bit more robust for debug info changes.Eric Christopher2012-02-271-2/+2
| | | | llvm-svn: 151518
* Remove the type retaining from the clang frontend. This is nowEric Christopher2012-02-201-4/+5
| | | | | | | | | | handled by the caching and rauw. Also fix one cache that wasn't being added to highlighted by this patch. Update all testcases accordingly. This should fix the deall failure. llvm-svn: 150977
* Don't cache the artificial type for the this pointer, there's noEric Christopher2012-02-091-0/+29
difference in the qual type. This is a workaround for the fact that the type isn't artificial but the this decl is, however, we don't have any way of representing it in the current metadata. For now, however, just don't cache the full type. Fixes rdar://10831526 and probably a couple of others. llvm-svn: 150159
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