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* [DebugInfo] Introduce DW_OP_LLVM_convertMarkus Lavin2019-03-191-5/+10
| | | | | | | | | | | | | | | | | | | | | Introduce a DW_OP_LLVM_convert Dwarf expression pseudo op that allows for a convenient way to perform type conversions on the Dwarf expression stack. As an additional bonus it paves the way for using other Dwarf v5 ops that need to reference a base_type. The new DW_OP_LLVM_convert is used from lib/Transforms/Utils/Local.cpp to perform sext/zext on debug values but mainly the patch is about preparing terrain for adding other Dwarf v5 ops that need to reference a base_type. For Dwarf v5 the op maps to DW_OP_convert and for earlier versions a complex shift & mask pattern is generated to emulate sext/zext. This is a recommit of r356442 with trivial fixes for the failing tests. Differential Revision: https://reviews.llvm.org/D56587 llvm-svn: 356451
* Revert "[DebugInfo] Introduce DW_OP_LLVM_convert"Markus Lavin2019-03-191-10/+5
| | | | | | | | | | | | | This reverts commit 1cf4b593a7ebd666fc6775f3bd38196e8e65fafe. Build bots found failing tests not detected locally. Failing Tests (3): LLVM :: DebugInfo/Generic/convert-debugloc.ll LLVM :: DebugInfo/Generic/convert-inlined.ll LLVM :: DebugInfo/Generic/convert-linked.ll llvm-svn: 356444
* [DebugInfo] Introduce DW_OP_LLVM_convertMarkus Lavin2019-03-191-5/+10
| | | | | | | | | | | | | | | | | | | Introduce a DW_OP_LLVM_convert Dwarf expression pseudo op that allows for a convenient way to perform type conversions on the Dwarf expression stack. As an additional bonus it paves the way for using other Dwarf v5 ops that need to reference a base_type. The new DW_OP_LLVM_convert is used from lib/Transforms/Utils/Local.cpp to perform sext/zext on debug values but mainly the patch is about preparing terrain for adding other Dwarf v5 ops that need to reference a base_type. For Dwarf v5 the op maps to DW_OP_convert and for earlier versions a complex shift & mask pattern is generated to emulate sext/zext. Differential Revision: https://reviews.llvm.org/D56587 llvm-svn: 356442
* Add IR debug info support for Elemental, Pure, and Recursive Procedures.Adrian Prantl2019-03-141-0/+6
| | | | | | | | Patch by Eric Schweitz! Differential Revision: https://reviews.llvm.org/D54043 llvm-svn: 356163
* [DebugInfo] Construct nested types on behalf of owner CUEugene Leviant2019-03-041-22/+28
| | | | | | Differential revision: https://reviews.llvm.org/D58786 llvm-svn: 355303
* [DebugInfo] Apply subprogram attributes on behalf of owner CUEugene Leviant2019-02-271-1/+2
| | | | | | | | | | | | When using full LTO it is possible that template function definition DIE is bound to one compilation unit and it's declaration to another. We should add function declaration attributes on behalf of its owner CU otherwise we may end up with malformed file identifier in function declaration DW_AT_decl_file attribute. Differential revision: https://reviews.llvm.org/D58538 llvm-svn: 354978
* Update the file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-191-4/+3
| | | | | | | | | | | | | | | | | to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
* Rename DIFlagFixedEnum to DIFlagEnumClass. NFCPaul Robinson2019-01-081-1/+1
| | | | llvm-svn: 350641
* Recommit r348806: DebugInfo: Use symbol difference for CU length to simplify ↵David Blaikie2018-12-181-1/+8
| | | | | | | | | | | | | | assembly reading/editing Mucking about simplifying a test case ( https://reviews.llvm.org/D55261 ) I stumbled across something I've hit before - that LLVM's (GCC's does too, FWIW) assembly output includes a hardcode length for a DWARF unit in its header. Instead we could emit a label difference - making the assembly easier to read/edit (though potentially at a slight (I haven't tried to observe it) performance cost of delaying/sinking the length computation into the MC layer). Fix: Predicated all the changes (including creating the labels, even if they aren't used/needed) behind the NVPTX useSectionsAsReferences, avoiding emitting labels in NVPTX where ptxas can't parse them. Reviewers: JDevlieghere, probinson, ABataev Differential Revision: https://reviews.llvm.org/D55281 llvm-svn: 349430
* DebugInfo: Move addAddrBase from DwarfUnit to DwarfCompileUnitDavid Blaikie2018-12-141-9/+0
| | | | | | Only CUs need an address table reference. llvm-svn: 349203
* Revert "debuginfo: Use symbol difference for CU length to simplify assembly ↵Jordan Rupprecht2018-12-111-12/+1
| | | | | | | | reading/editing" Temporarily reverts commit r348806 due to strange asm compilation issues in certain modes (combination of asan+cuda+other things). Will provide repro soon. llvm-svn: 348898
* debuginfo: Use symbol difference for CU length to simplify assembly ↵David Blaikie2018-12-101-1/+12
| | | | | | | | | | | | reading/editing Mucking about simplifying a test case ( https://reviews.llvm.org/D55261 ) I stumbled across something I've hit before - that LLVM's (GCC's does too, FWIW) assembly output includes a hardcode length for a DWARF unit in its header. Instead we could emit a label difference - making the assembly easier to read/edit (though potentially at a slight (I haven't tried to observe it) performance cost of delaying/sinking the length computation into the MC layer). Reviewers: JDevlieghere, probinson, ABataev Differential Revision: https://reviews.llvm.org/D55281 llvm-svn: 348806
* [Codegen] - Implement basic .debug_loclists section emission (DWARF5).George Rimar2018-10-261-0/+9
| | | | | | | | | .debug_loclists is the DWARF 5 version of the .debug_loc. With that patch, it will be emitted when DWARF 5 is used. Differential revision: https://reviews.llvm.org/D53365 llvm-svn: 345377
* DebugInfo: Use DW_OP_addrx in DWARFv5David Blaikie2018-10-201-4/+11
| | | | | | Reuse addresses in the address pool, even in non-split cases. llvm-svn: 344838
* DebugInfo: Use debug_addr for non-dwo addresses in DWARF 5David Blaikie2018-10-201-2/+4
| | | | | | | | Putting addresses in the address pool, even with non-fission, can reduce relocations - reusing the addresses from debug_info and debug_rnglists (the latter coming soon) llvm-svn: 344834
* [DWARF] - Emit the correct value for DW_AT_addr_base.George Rimar2018-09-201-0/+7
| | | | | | | | | | | | | | Currently, we emit DW_AT_addr_base that points to the beginning of the .debug_addr section. That is not correct for the DWARF5 case because address table contains the header and the attribute should point to the first entry following the header. This is currently the reason why LLDB does not work with such executables correctly. Patch fixes the issue. Differential revision: https://reviews.llvm.org/D52168 llvm-svn: 342635
* Remove addBlockByrefAddress(), it is dead code as far as clang is concerned.Adrian Prantl2018-09-081-132/+0
| | | | | | | | | | | | This patch removes addBlockByrefAddress(), it is dead code as far as clang is concerned: Every byref block capture is emitted with a complex expression that is equivalent to what this function does. rdar://problem/31629055 Differential Revision: https://reviews.llvm.org/D51763 llvm-svn: 341737
* [DebugInfo] Generate DWARF debug information for labels. (Fix leak problems)Hsiangkai Wang2018-08-171-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. It also generates label debug information under global isel. Differential Revision: https://reviews.llvm.org/D45556 llvm-svn: 340039
* DebugInfo: Add metadata support for disabling DWARF pub sectionsDavid Blaikie2018-08-161-3/+3
| | | | | | | | | | | | | | | | | | | | | | | In cases where the debugger load time is a worthwhile tradeoff (or less costly - such as loading from a DWP instead of a variety of DWOs (possibly over a high-latency/distributed filesystem)) against object file size, it can be reasonable to disable pubnames and corresponding gdb-index creation in the linker. A backend-flag version of this was implemented for NVPTX in D44385/r327994 - which was fine for NVPTX which wouldn't mix-and-match CUs. Now that it's going to be a user-facing option (likely powered by "-gno-pubnames", the same as GCC) it should be encoded in the DICompileUnit so it can vary per-CU. After this, likely the NVPTX support should be migrated to the metadata & the previous flag implementation should be removed. Reviewers: aprantl Differential Revision: https://reviews.llvm.org/D50213 llvm-svn: 339939
* [DebugInfoMetadata] Added DIFlags interface in DIBasicType.Adrian Prantl2018-08-141-0/+5
| | | | | | | | | | | Flags in DIBasicType will be used to pass attributes used in DW_TAG_base_type, such as DW_AT_endianity. Patch by Chirag Patel! Differential Revision: https://reviews.llvm.org/D49610 llvm-svn: 339714
* Revert "[DebugInfo] Generate DWARF debug information for labels. (Fix leak ↵Bruno Cardoso Lopes2018-08-141-6/+0
| | | | | | | | | | | | problems)" This reverts commit cb8c5e417d55141f3f079a8a876e786f44308336 / r339676. This causing a test to fail in http://green.lab.llvm.org/green/job/clang-stage1-configure-RA/48406/ LLVM :: DebugInfo/Generic/debug-label.ll llvm-svn: 339700
* [DebugInfo] Generate DWARF debug information for labels. (Fix leak problems)Hsiangkai Wang2018-08-141-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. It also generates label debug information under global isel. Differential Revision: https://reviews.llvm.org/D45556 llvm-svn: 339676
* [DebugInfo] Reduce debug_str_offsets section sizePavel Labath2018-08-071-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: The accelerator tables use the debug_str section to store their strings. However, they do not support the indirect method of access that is available for the debug_info section (DW_FORM_strx et al.). Currently our code is assuming that all strings can/will be referenced indirectly, and puts all of them into the debug_str_offsets section. This is generally true for regular (unsplit) dwarf, but in the DWO case, most of the strings in the debug_str section will only be used from the accelerator tables. Therefore the contents of the debug_str_offsets section will be largely unused and bloating the main executable. This patch rectifies this by teaching the DwarfStringPool to differentiate between strings accessed directly and indirectly. When a user inserts a string into the pool it has to declare whether that string will be referenced directly or not. If at least one user requsts indirect access, that string will be assigned an index ID and put into debug_str_offsets table. Otherwise, the offset table is skipped. This approach reduces the overall binary size (when compiled with -gdwarf-5 -gsplit-dwarf) in my tests by about 2% (debug_str_offsets is shrunk by 99%). Reviewers: probinson, dblaikie, JDevlieghere Subscribers: aprantl, mgrang, llvm-commits Differential Revision: https://reviews.llvm.org/D49493 llvm-svn: 339122
* [DEBUGINFO] Disable emission of the dwarf sections, but allow directives.Alexey Bataev2018-08-011-0/+3
| | | | | | | | | | | | | | | | Summary: Added an option that allows to emit only '.loc' and '.file' kind debug directives, but disables emission of the DWARF sections. Required for NVPTX target to support profiling. It requires '.loc' and '.file' directives, but does not require any DWARF sections for the profiler. Reviewers: probinson, echristo, dblaikie Subscribers: aprantl, JDevlieghere, llvm-commits Differential Revision: https://reviews.llvm.org/D46021 llvm-svn: 338616
* Revert "[DebugInfo] Generate DWARF debug information for labels."Vlad Tsyrklevich2018-07-311-6/+0
| | | | | | | This reverts commits r338390 and r338398, they were causing LSan failures on the ASan bot. llvm-svn: 338408
* [DebugInfo] Generate DWARF debug information for labels.Hsiangkai Wang2018-07-311-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. It also generates label debug information under global isel. Differential Revision: https://reviews.llvm.org/D45556 llvm-svn: 338390
* Remove trailing spaceFangrui Song2018-07-301-2/+2
| | | | | | sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h} llvm-svn: 338293
* Revert "[DebugInfo] Generate DWARF debug information for labels."Shiva Chen2018-07-241-6/+0
| | | | | | This reverts commit b454fa1b4079b6c0a5b1565982d16516385838d7. llvm-svn: 337812
* [DebugInfo] Generate DWARF debug information for labels.Shiva Chen2018-07-241-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two forms for label debug information in DWARF format. 1. Labels in a non-inlined function: DW_TAG_label DW_AT_name DW_AT_decl_file DW_AT_decl_line DW_AT_low_pc 2. Labels in an inlined function: DW_TAG_label DW_AT_abstract_origin DW_AT_low_pc We will collect label information from DBG_LABEL. Before every DBG_LABEL, we will generate a temporary symbol to denote the location of the label. The symbol could be used to get DW_AT_low_pc afterwards. So, we create a mapping between 'inlined label' and DBG_LABEL MachineInstr in DebugHandlerBase. The DBG_LABEL in the mapping is used to query the symbol before it. The AbstractLabels in DwarfCompileUnit is used to process labels in inlined functions. We also keep a mapping between scope and labels in DwarfFile to help to generate correct tree structure of DIEs. Differential Revision: https://reviews.llvm.org/D45556 Patch by Hsiangkai Wang. llvm-svn: 337799
* [DebugInfo] Generate .debug_names section when it makes sensePavel Labath2018-07-201-7/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This patch makes us generate the debug_names section in response to some user-facing commands (previously it was only generated if explicitly selected via the -accel-tables option). My goal was to make this work for DWARF>=5 (as it's an official part of that standard), and also, as an extension, for DWARF<5 if one is explicitly tuning for lldb as a debugger (because it brings a large performance improvement there). This is slightly complicated by the fact that the debug_names tables are incompatible with the DWARF v4 type units (they assume that the type units are in the debug_info section), and unfortunately, right now we generate DWARF v4-style type units even for -gdwarf-5. For this reason, I disable all accelerator tables if the user requested type unit generation. I do this even for apple tables, as they have the same problem (in fact generating type units for apple targets makes us crash even before we get around to emitting the accelerator tables). Reviewers: JDevlieghere, aprantl, dblaikie, echristo, probinson Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D49420 llvm-svn: 337544
* [DWARF v5] Generate range list tables into the .debug_rnglists section. No ↵Wolfgang Pieb2018-07-121-0/+9
| | | | | | | | | | | | support for split DWARF and no use of DW_FORM_rnglistx with the DW_AT_ranges attribute. Reviewer: aprantl Differential Revision: https://reviews.llvm.org/D49214 llvm-svn: 336927
* [CodeGen/Dwarf] Rename the "sizetype" synthetic type and add it to the ↵Pavel Labath2018-04-101-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | accelerator table Summary: This type is created on-demand and used as the base type for array ranges. Since it is "special", its construction did not go through the createTypeDIE function and so it was never inserted into the accelerator table, although it clearly belongs there. I add an explicit addAccelType call to insert it into the table. During review, we also decided to rename the type to something more unique to avoid confusion in case the user has own "sizetype" type. The new name for the type size __ARRAY_SIZE_TYPE__. Reviewers: JDevlieghere, aprantl, dblaikie Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D45445 llvm-svn: 329705
* Style update. NFC.Rafael Espindola2018-03-291-6/+6
| | | | | | | Rename 3 functions to start with lowercase letters. Don't repeat the name in the comments. llvm-svn: 328848
* Reapply "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-291-1/+3
| | | | | | | | | | | | | | | | | DWARF v5 specifies that the root file (also given in the DW_AT_name attribute of the compilation unit DIE) should be emitted explicitly to the line table's list of files. This makes the line table more independent of the .debug_info section. We emit the new syntax only for DWARF v5 and later. Fixes the bug found by asan. Also XFAIL the new test for Darwin, which is stuck on DWARF v2, and fix up other tests so they stop failing on Windows. Last but not least, don't break "clang -g" of an assembler file that has .file directives in it. Differential Revision: https://reviews.llvm.org/D44054 llvm-svn: 328805
* Revert "Reapply "[DWARFv5] Emit file 0 to the line table.""Alexander Potapenko2018-03-281-1/+1
| | | | | | | | | | | | | | | This reverts commit r328676. Commit r328676 broke the -no-integrated-as flag necessary to build Linux kernel with Clang: $ cat t.c void foo() {} $ clang -no-integrated-as -c t.c -g /tmp/t-dcdec5.s: Assembler messages: /tmp/t-dcdec5.s:8: Error: file number less than one clang-7.0: error: assembler command failed with exit code 1 (use -v to see invocation) llvm-svn: 328699
* Reapply "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-271-1/+1
| | | | | | | | | | | | | | | | DWARF v5 specifies that the root file (also given in the DW_AT_name attribute of the compilation unit DIE) should be emitted explicitly to the line table's list of files. This makes the line table more independent of the .debug_info section. Fixes the bug found by asan. Also XFAIL the new test for Darwin, which is stuck on DWARF v2, and fix up other tests so they stop failing on Windows. Last but not least, don't break "clang -g" of an assembler file that has .file directives in it. Differential Revision: https://reviews.llvm.org/D44054 llvm-svn: 328676
* [DWARF] Suppress split line tables more carefully.Paul Robinson2018-03-271-8/+9
| | | | | | | | | | | | | | | | If a given split type unit does not have source locations, don't have it refer to the split line table. If no split type unit refers to the split line table, don't emit the line table at all. This will save a little space on rare occasions, but also refactors things a bit to improve which class is responsible for what. Responding to review comments on r326395. Differential Revision: https://reviews.llvm.org/D44220 llvm-svn: 328670
* Move TargetLoweringObjectFile from CodeGen to Target to fix layeringDavid Blaikie2018-03-231-1/+1
| | | | | | | It's implemented in Target & include from other Target headers, so the header should be in Target. llvm-svn: 328392
* [DebugInfo] Add DW_AT_byte_size to vectorsMatt Davis2018-03-081-1/+32
| | | | | | | | | | | | | | | | | | | | | | Summary: This patch adds the DW_AT_byte_size dwarf attribute to vectors. This fixes PR21924 LLVM will round a vector up to the next alignable address, which can result in the vector's representation in the object file being larger than what the debugger will calculate via NumberOfElements * ElementSize. In such a case calling sizeof(MyVec) in the source will result in a different value than what a debugger might present. This situation can occur because LLVM permits non-power of two 'vector_size' attributes. Reviewers: echristo, dexonsmith, aprantl Reviewed By: aprantl Subscribers: probinson, aprantl, llvm-commits, JDevlieghere Tags: #debug-info Differential Revision: https://reviews.llvm.org/D44048 llvm-svn: 327072
* Revert "Reapply "[DWARFv5] Emit file 0 to the line table.""Alexander Kornienko2018-03-071-1/+1
| | | | | | | | | | | | | | | | This reverts commit r326839. r326839 breaks assembly file parsing: $ cat q.c void g() {} $ clang -S q.c -g $ clang -g -c q.s q.s:9:2: error: file number already allocated .file 1 "/tmp/test" "q.c" ^ llvm-svn: 326902
* Reapply "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-061-1/+1
| | | | | | | | Fixes the bug found by asan. Also XFAIL the new test for Darwin, which is stuck on DWARF v2, and fix up other tests so they stop failing on Windows. llvm-svn: 326839
* Revert "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-061-1/+1
| | | | | | | | | Caused an asan failure. This reverts commit d54883f081186cdcce74e6f98cfc0438579ec019. aka r326758 llvm-svn: 326762
* [DWARFv5] Emit file 0 to the line table.Paul Robinson2018-03-061-1/+1
| | | | | | | | | | | DWARF v5 specifies that the root file (also given in the DW_AT_name attribute of the compilation unit DIE) should be emitted explicitly to the line table's list of files. This makes the line table more independent of the .debug_info section. Differential Revision: https://reviews.llvm.org/D44054 llvm-svn: 326758
* [DebugInfo] Support DWARF v5 source code embedding extensionScott Linder2018-02-231-1/+3
| | | | | | | | | | | | | | | | | | | In DWARF v5 the Line Number Program Header is extensible, allowing values with new content types. In this extension a content type is added, DW_LNCT_LLVM_source, which contains the embedded source code of the file. Add new optional attribute for !DIFile IR metadata called source which contains source text. Use this to output the source to the DWARF line table of code objects. Analogously extend METADATA_FILE in Bitcode and .file directive in ASM to support optional source. Teach llvm-dwarfdump and llvm-objdump about the new values. Update the output format of llvm-dwarfdump to make room for the new attribute on file_names entries, and support embedded sources for the -source option in llvm-objdump. Differential Revision: https://reviews.llvm.org/D42765 llvm-svn: 325970
* [DEBUGINFO] Add support for emission of the inlined strings.Alexey Bataev2018-02-201-0/+6
| | | | | | | | | | | | | | Summary: Patch adds an option for emission of inlined strings rather than .debug_str section. Reviewers: echristo, jlebar Subscribers: eraman, llvm-commits, JDevlieghere Differential Revision: https://reviews.llvm.org/D43390 llvm-svn: 325583
* [DebugInfo] Removed assert on missing CountVarDIESander de Smalen2018-02-171-7/+2
| | | | | | | | | | | | | | | | | | | | Summary: The assert for a DISubrange's CountVarDIE to be available fails when the dbg.value() has been optimized away for any reason. Having the assert for that is a little heavy, so instead removing it now in favor of not generating the 'count' expression. Addresses http://llvm.org/PR36263 . Reviewers: aprantl, dblaikie, probinson Reviewed By: aprantl Subscribers: JDevlieghere, llvm-commits, dstenb Differential Revision: https://reviews.llvm.org/D43387 llvm-svn: 325427
* [DebugInfo] Accept enumeration types without underlying integer type present inMomchil Velikov2018-02-151-5/+5
| | | | | | | | | | debug info metadata ... when generating DWARF. Differential Revision: https://reviews.llvm.org/D43304 llvm-svn: 325234
* [DebugInfo] Unify ChecksumKind and Checksum value in DIFileScott Linder2018-02-121-3/+4
| | | | | | | | | Rather than encode the absence of a checksum with a Kind variant, instead put both the kind and value in a struct and wrap it in an Optional. Differential Revision: http://reviews.llvm.org/D43043 llvm-svn: 324928
* Re-commit r324489: [DebugInfo] Improvements to representation of enumeration ↵Momchil Velikov2018-02-121-8/+11
| | | | | | | | types (PR36168) Differential Revision: https://reviews.llvm.org/D42734 llvm-svn: 324899
* Revert "[DebugInfo] Improvements to representation of enumeration types ↵Momchil Velikov2018-02-071-11/+8
| | | | | | | | (PR36168)" Revert commit r324489, it broke LLDB tests. llvm-svn: 324511
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