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* [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.Shiva Chen2018-05-095-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to set breakpoints on labels and list source code around labels, we need collect debug information for labels, i.e., label name, the function label belong, line number in the file, and the address label located. In order to keep these information in LLVM IR and to allow backend to generate debug information correctly. We create a new kind of metadata for labels, DILabel. The format of DILabel is !DILabel(scope: !1, name: "foo", file: !2, line: 3) We hope to keep debug information as much as possible even the code is optimized. So, we create a new kind of intrinsic for label metadata to avoid the metadata is eliminated with basic block. The intrinsic will keep existing if we keep it from optimized out. The format of the intrinsic is llvm.dbg.label(metadata !1) It has only one argument, that is the DILabel metadata. The intrinsic will follow the label immediately. Backend could get the label metadata through the intrinsic's parameter. We also create DIBuilder API for labels to be used by Frontend. Frontend could use createLabel() to allocate DILabel objects, and use insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR. Differential Revision: https://reviews.llvm.org/D45024 Patch by Hsiangkai Wang. llvm-svn: 331841
* AMDGPU: Really implement getFrameRegisterMatt Arsenault2018-03-271-0/+3
| | | | | | | Currently this seems to only really be used for debug info. llvm-svn: 328677
* [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
* [DWARF] Regularize dumping strings from line tables.Paul Robinson2018-02-051-1/+1
| | | | | | | | | | | | | | | | | The major visible difference here is that in line-table dumps, directory and file names are wrapped in double-quotes; previously, directory names got single quotes and file names were not quoted at all. The improvement in this patch is that when a DWARF v5 line table header has indirect strings, in a verbose dump these will all have their section[offset] printed as well as the name itself. This matches the format used for dumping strings in the .debug_info section. Differential Revision: https://reviews.llvm.org/D42802 llvm-svn: 324270
* [AMDGPU] Switch to the new addr space mapping by defaultYaxun Liu2018-02-024-57/+57
| | | | | | | | This requires corresponding clang change. Differential Revision: https://reviews.llvm.org/D40955 llvm-svn: 324101
* Re-land "[llvm-dwarfdump] Print type names in DW_AT_type DIEs"Jonas Devlieghere2017-10-101-5/+5
| | | | | | | | | | | | This patch adds printing for DW_AT_type DIEs like it is already the case for DW_AT_specification DIEs. This is a rather naive approach and only a start. We should have pretty printers for different languages. Recommit after being reverted in r315299. Differential revision: https://reviews.llvm.org/D36993 llvm-svn: 315316
* Revert "[llvm-dwarfdump] Print type names in DW_AT_type DIEs"Jonas Devlieghere2017-10-101-5/+5
| | | | | | This reverts commit r315297. llvm-svn: 315299
* [llvm-dwarfdump] Print type names in DW_AT_type DIEsJonas Devlieghere2017-10-101-5/+5
| | | | | | | | | | This patch adds printing for DW_AT_type DIEs like it is already the case for DW_AT_specification DIEs. This is a rather naive approach and only a start. We should have pretty printers for different languages. Differential revision: https://reviews.llvm.org/D36993 llvm-svn: 315297
* llvm-dwarfdump: Make -brief the default and add a -verbose option instead.Adrian Prantl2017-09-113-3/+3
| | | | | | Differential Revision: https://reviews.llvm.org/D37717 llvm-svn: 312972
* llvm-dwarfdump: Replace -debug-dump=sect option with individual options.Adrian Prantl2017-09-113-3/+3
| | | | | | | | | | | | | | | | | | | | | | As discussed on llvm-dev in http://lists.llvm.org/pipermail/llvm-dev/2017-September/117301.html this changes the command line interface of llvm-dwarfdump to match the one used by the dwarfdump utility shipping on macOS. In addition to being shorter to type this format also has the advantage of allowing more than one section to be specified at the same time. In a nutshell, with this change $ llvm-dwarfdump --debug-dump=info $ llvm-dwarfdump --debug-dump=apple-objc becomes $ dwarfdump --debug-info --apple-objc Differential Revision: https://reviews.llvm.org/D37714 llvm-svn: 312970
* Canonicalize the representation of empty an expression in ↵Adrian Prantl2017-08-301-2/+2
| | | | | | | | | | | | | | | | DIGlobalVariableExpression This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. llvm-svn: 312144
* [dwarfdump] Pretty print location expressions and location listsReid Kleckner2017-08-291-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Based on Fred's patch here: https://reviews.llvm.org/D6771 I can't seem to commandeer the old review, so I'm creating a new one. With that change the locations exrpessions are pretty printed inline in the DIE tree. The output looks like this for debug_loc entries: DW_AT_location [DW_FORM_data4] (0x00000000 0x0000000000000001 - 0x000000000000000b: DW_OP_consts +3 0x000000000000000b - 0x0000000000000012: DW_OP_consts +7 0x0000000000000012 - 0x000000000000001b: DW_OP_reg0 RAX, DW_OP_piece 0x4 0x000000000000001b - 0x0000000000000024: DW_OP_breg5 RDI+0) And like this for debug_loc.dwo entries: DW_AT_location [DW_FORM_sec_offset] (0x00000000 Addr idx 2 (w/ length 190): DW_OP_consts +0, DW_OP_stack_value Addr idx 3 (w/ length 23): DW_OP_reg0 RAX, DW_OP_piece 0x4) Simple locations without ranges are printed inline: DW_AT_location [DW_FORM_block1] (DW_OP_reg4 RSI, DW_OP_piece 0x4, DW_OP_bit_piece 0x20 0x0) The debug_loc(.dwo) dumping in changed accordingly to factor the code. Reviewers: dblaikie, aprantl, friss Subscribers: mgorny, javed.absar, hiraditya, llvm-commits, JDevlieghere Differential Revision: https://reviews.llvm.org/D37123 llvm-svn: 312042
* Remove the obsolete offset parameter from @llvm.dbg.valueAdrian Prantl2017-07-281-3/+3
| | | | | | | | | | | | There is no situation where this rarely-used argument cannot be substituted with a DIExpression and removing it allows us to simplify the DWARF backend. Note that this patch does not yet remove any of the newly dead code. rdar://problem/33580047 Differential Revision: https://reviews.llvm.org/D35951 llvm-svn: 309426
* AMDGPU: Fix assert in schedulerKonstantin Zhuravlyov2017-04-271-0/+95
| | | | | | | | Assert is triggered if DBG_VALUE is first instruction in BB Differential Revision: https://reviews.llvm.org/D32572 llvm-svn: 301511
* [DWARF] Versioning for DWARF constants; verify FORMsPaul Robinson2017-04-202-162/+0
| | | | | | | | | | | | | Associate the version-when-defined with definitions of standard DWARF constants. Identify the "vendor" for DWARF extensions. Use this information to verify FORMs in .debug_abbrev are defined as of the DWARF version specified in the associated unit. Removed two tests that had specified DWARF v1 (which essentially does not exist). Differential Revision: http://reviews.llvm.org/D30785 llvm-svn: 300875
* AMDGPU: Test handling of R_AMDGPU_ABS64 in RelocVisitorKonstantin Zhuravlyov2017-04-171-0/+72
| | | | llvm-svn: 300472
* AMDGPU: Set CodePointerSize to 8 for amdgcnKonstantin Zhuravlyov2017-04-172-2/+75
| | | | llvm-svn: 300470
* [AMDGPU] Split R600/SI getFrameIndexReference and emit stack object offsets ↵Konstantin Zhuravlyov2017-03-102-0/+203
| | | | | | | | for SI Differential Revision: https://reviews.llvm.org/D29674 llvm-svn: 297499
* AMDGPU: add missing lit.local.cfg to test/DebugInfo/AMDGPUKonstantin Zhuravlyov2017-03-091-0/+2
| | | | llvm-svn: 297334
* [DebugInfo] Emit address space with DW_AT_address_class attribute for ↵Konstantin Zhuravlyov2017-03-082-0/+174
pointer and reference types Differential Revision: https://reviews.llvm.org/D29670 llvm-svn: 297320
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