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Pavel Labath 1237095b3c [DWARF] Extract indexing code into a separate class hierarchy 
Summary:
This places the `if(m_using_apple_tables)` branches inside the
SymbolFileDWARF class behind an abstract DWARFIndex class. The class
currently has two implementations:
- AppleIndex, which searches using .apple_names and friends
- ManualIndex, which searches using a manually built index

Most of the methods of the class are very simple, and simply extract the
list of DIEs for the given name from the appropriate sub-table. The main
exception are the two GetFunctions overloads, which take a couple of
extra paramenters, including some callbacks. It was not possible to
split these up the same way as other methods, as here we were doing a
lot of post-processing on the results. The post-processing is similar
for the two cases, but not identical. I hope to factor these further in
separate patches.

Other interesting methods are:
- Preload(): do any preprocessing to make lookups faster (noop for
  AppleIndex, forces a build of the lookup tables for ManualIndex).
- ReportInvalidDIEOffset(): Used to notify the users of an invalid index
  (prints a message for AppleIndex, noop for ManualIndex).
- Dump(): dumps the index state (noop for AppleIndex, prints the lookup
  tables for ManualIndex).

Reviewers: clayborg, JDevlieghere

Subscribers: mgorny, aprantl, lldb-commits

Differential Revision: https://reviews.llvm.org/D46889

llvm-svn: 332719
 		2018-05-18 14:15:46 +00:00
clang [VFS] Implement getRealPath for OverlayFileSystem. 2018-05-18 13:22:49 +00:00
clang-tools-extra Silence a truncation warning; NFC. 2018-05-18 13:18:41 +00:00
compiler-rt [asan] Add target-specific files for Myriad RTEMS port 2018-05-18 04:10:12 +00:00
debuginfo-tests [Darwin] Specify DWARF 2/4 when running apple accelerator tests. 2018-02-26 20:56:45 +00:00
libclc Add initial support for half precision builtins 2018-05-17 22:55:30 +00:00
libcxx [libcxx] [test] Remove unused local typedef in test/std/numerics/rand/rand.eng/rand.eng.lcong/default.pass.cpp 2018-05-17 04:59:34 +00:00
libcxxabi Fix test failure for missing _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS 2018-05-03 12:44:27 +00:00
libunwind [OR1K] Add the EPCR special-purpose register to register state. 2018-05-16 19:09:48 +00:00
lld Mitigate relocation overflow [part 2 of 2] 2018-05-18 03:01:06 +00:00
lldb [DWARF] Extract indexing code into a separate class hierarchy 2018-05-18 14:15:46 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm [X86][SSE] Ensure vector partial load/stores use the WriteVecLoad/WriteVecStore scheduler classes 2018-05-18 14:08:01 +00:00
openmp [libomptarget-nvptx-bc] Pass found CUDA installations 2018-05-16 17:20:27 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly [DeLICM] Avoid assertion on out-of-quota. 2018-05-16 16:39:51 +00:00
README.md Add an svn project to contain the files that appear at the root of the 2017-10-19 21:09:49 +00:00

README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.