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Raphael Isemann ccfab8e459 [ObjC][DWARF] Emit DW_AT_APPLE_objc_direct for methods marked as __attribute__((objc_direct)) 
Summary:
With DWARF5 it is no longer possible to distinguish normal methods and methods with `__attribute__((objc_direct))` by just looking at the debug information
as they are both now children of the of the DW_TAG_structure_type that defines them (before only the `__attribute__((objc_direct))` methods were children).

This means that in LLDB we are no longer able to create a correct Clang AST of a module by just looking at the debug information. Instead we would
need to call the Objective-C runtime to see which of the methods have a `__attribute__((objc_direct))` and then add the attribute to our own Clang AST
depending on what the runtime returns. This would mean that we either let the module AST be dependent on the Objective-C runtime (which doesn't
seem right) or we retroactively add the missing attribute to the imported AST in our expressions.

A third option is to annotate methods with `__attribute__((objc_direct))` as `DW_AT_APPLE_objc_direct` which is what this patch implements. This way
LLDB doesn't have to call the runtime for any `__attribute__((objc_direct))` method and the AST in our module will already be correct when we create it.

Reviewers: aprantl, SouraVX

Reviewed By: aprantl

Subscribers: hiraditya, cfe-commits, llvm-commits

Tags: #clang, #llvm, #debug-info

Differential Revision: https://reviews.llvm.org/D71201
 		2019-12-17 09:40:36 +01:00
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AArch64 [AArch64] Save FP for leaf functions when disabling frame pointer elimination 2019-12-13 18:48:58 -08:00
AMDGPU
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ARM [DebugInfo] Remove the DIFlagArgumentNotModified debug info flag 2019-11-20 13:18:40 +01:00
COFF [DebugInfo] Nerf placeDbgValues, with prejudice 2019-12-09 12:52:10 +00:00
Generic Attempt to fix a debuginfo test that wasn't as generic as I thought 2019-12-06 12:51:58 +00:00
Inputs [llvm-symbolizer] Support debug file lookup using build ID 2019-12-04 15:07:56 -08:00
Lanai
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MIR [LiveDebugValues] Omit entry values for DBG_VALUEs with pre-existing expressions 2019-12-13 10:49:46 +01:00
MSP430 MachineOperand/MIParser: Do not print debug-use flag, infer it 2018-10-30 23:28:27 +00:00
Mips Re-commit "DWARF location lists: Add section index dumping" 2019-11-18 15:30:10 +01:00
NVPTX [BasicBlockUtils] Fix dbg.value elimination problem in MergeBlockIntoPredecessor 2019-12-16 11:41:21 +01:00
PDB Make pdbdump-objfilename test work again 2019-07-09 17:02:51 +00:00
PowerPC
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RISCV [Object][RISCV][test] Improve DebugInfo/RISCV/relax-debug-frame.ll 2019-11-26 09:16:55 -08:00
Sparc [DebugInfo] Remove the DIFlagArgumentNotModified debug info flag 2019-11-20 13:18:40 +01:00
SystemZ [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
WebAssembly LiveIntervals: Split live intervals on multiple dead defs 2019-10-30 08:50:46 -05:00
X86 [ObjC][DWARF] Emit DW_AT_APPLE_objc_direct for methods marked as __attribute__((objc_direct)) 2019-12-17 09:40:36 +01:00
arange-overlap.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#1) 2019-01-31 14:11:17 +00:00
arm-relocs.test
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check-debugify-preserves-analyses.ll
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cross-cu-inlining.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#1) 2019-01-31 14:11:17 +00:00
cross-cu-scope.ll Specify REQUIRES: default_triple in two debuginfo tests 2018-11-06 00:16:32 +00:00
debugify-bogus-dbg-value.ll
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debugify-each.ll
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debugify-export.ll
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debugify-report-missing-locs-only.ll
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debugify.ll [DebugInfo] IR/Bitcode changes for DISubprogram flags. 2018-11-28 21:14:32 +00:00
debuglineinfo-macho.test
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debuglineinfo-path.ll [llvm-nm][llvm-readelf] Avoid single-dash -long-option in tests 2019-04-27 16:12:14 +00:00
debuglineinfo.test Reapply: DebugInfo: Assume an absence of ranges or high_pc on a CU means the CU is empty (devoid of code addresses) 2018-12-21 22:25:01 +00:00
debugmacinfo-dwo.test [DebugInfo] Support for debug_macinfo.dwo section in llvm and llvm-dwarfdump. 2019-12-03 08:54:12 +05:30
debugmacinfo.test
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dwarfdump-64-bit-dwarf.test [CommandLine] Don't allow unlimitted dashes for options. Part 1 or 5 2019-04-29 18:34:18 +00:00
dwarfdump-accel.test
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dwarfdump-bad-lookup-address.test [DWARF] check whether the DIE is valid before querying for information 2019-04-03 17:13:45 +00:00
dwarfdump-debug-frame-simple.test
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dwarfdump-decompression-corrupt.test
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dwarfdump-decompression-error.test
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dwarfdump-dump-flags.test
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dwarfdump-dump-gdbindex.test [llvm-dwarfdump] --gdb-index: fix uninitialized TuListOffset 2019-06-19 13:51:29 +00:00
dwarfdump-dwp.test
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dwarfdump-implicit-const.test
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dwarfdump-invalid-line-table.test
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dwarfdump-invalid.test
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dwarfdump-macho-relocs.test
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dwarfdump-macho-universal.test
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dwarfdump-objc.test
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dwarfdump-pubnames.test
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dwarfdump-ranges.test
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dwarfdump-type-units.test
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dwarfdump-zlib.test
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dwo.ll
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gcc-local-mem-func.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#1) 2019-01-31 14:11:17 +00:00
high-pc-constant.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#1) 2019-01-31 14:11:17 +00:00
invalid-relocations.test [yaml2obj][obj2yaml] - Change how symbol's binding is descibed when parsing/dumping. 2019-04-03 14:53:42 +00:00
macro_link.ll
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member-pointers.o
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missing-abstract-variable.o
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omit-empty.ll
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pr34186.ll
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pr34672.ll
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precomp.test [llvm-readobj] Change -long-option to --long-option in tests. NFC 2019-05-01 05:27:20 +00:00
skeletoncu.ll
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strip-DIGlobalVariable.ll
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strip-loop-metadata.ll
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strip-module-flags.ll
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symbolize-64bit-address.test [DebugInfo][llvm-symbolizer]Add some tests for edge cases when symbolizing 2019-02-06 10:13:14 +00:00
symbolize-absolute-path-in-debug-line.s [DebugInfo][llvm-symbolizer]Add some tests for edge cases when symbolizing 2019-02-06 10:13:14 +00:00
symbolize-build-id.test [llvm-symbolizer] Support debug file lookup using build ID 2019-12-04 15:07:56 -08:00
symbolize-demangling.s [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#2) 2019-01-31 14:17:33 +00:00
symbolize-directory.s Fix more Windows bots after r360015. 2019-05-06 19:12:25 +00:00
symbolize-gnu-debuglink-fallback.test [DebugInfo] Fix /usr/lib/debug llvm-symbolizer lookup with relative paths 2019-02-11 18:05:48 +00:00
symbolize-gnu-debuglink-no-realpath.test [DebugInfo] Fix mkdir use in test 2019-02-01 21:14:21 +00:00
symbolize-gnu-debuglink.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#3) 2019-01-31 14:22:50 +00:00
symbolize-inlined.test [test][tools] Add missing and improve testing 2019-12-09 12:24:23 +00:00
symbolize-macho-universal-unknown-arch.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#2) 2019-01-31 14:17:33 +00:00
symbolize-macho-universal.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#2) 2019-01-31 14:17:33 +00:00
symbolize-missing-file.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#3) 2019-01-31 14:22:50 +00:00
symbolize-no-debug-str.test [DebugInfo][llvm-symbolizer]Add some tests for edge cases when symbolizing 2019-02-06 10:13:14 +00:00
symbolize-shared-abbrev.s [DebugInfo][llvm-symbolizer]Add some tests for edge cases when symbolizing 2019-02-06 10:13:14 +00:00
symbolize-split-dwarf-empty.test [llvm-symbolizer][test] Rename and tweak tests using llvm-symbolizer 2019-02-01 10:24:55 +00:00
symbolize-split-dwarf-no-skel-address.test [llvm-symbolizer][test] Rename and tweak tests using llvm-symbolizer 2019-02-01 10:24:55 +00:00
symbolize-stripped-sections.test [DebugInfo][llvm-symbolizer]Add some tests for edge cases when symbolizing 2019-02-06 10:13:14 +00:00
symbolize-stripped.test [llvm-symbolizer][test] Extract tests from llvm-symbolizer.test and simplify (#1) 2019-01-31 14:11:17 +00:00
symbolize-tu.test [llvm-symbolizer][test] Rename and tweak tests using llvm-symbolizer 2019-02-01 10:24:55 +00:00
symbolize-zlib.test [llvm-symbolizer][test] Rename and tweak tests using llvm-symbolizer 2019-02-01 10:24:55 +00:00
symbolize.test [llvm-symbolizer][test] Rename and tweak tests using llvm-symbolizer 2019-02-01 10:24:55 +00:00
typeunit-header.test
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unrolled-loop-remainder.ll Remove irrelevant references to legacy git repositories from 2019-01-15 16:18:52 +00:00