[DebugInfo] Use heterogenous lookups with std::map (NFC) (#113118)

[Analysis, CodeGen, DebugInfo] Use StringRef::operator== instead of StringRef::equals (NFC) (#91304)

I'm planning to remove StringRef::equals in favor of
StringRef::operator==.

- StringRef::oper

[Analysis, CodeGen, DebugInfo] Use StringRef::operator== instead of StringRef::equals (NFC) (#91304)

I'm planning to remove StringRef::equals in favor of
StringRef::operator==.

- StringRef::operator==/!= outnumber StringRef::equals by a factor of
53 under llvm/ in terms of their usage.

- The elimination of StringRef::equals brings StringRef closer to
std::string_view, which has operator== but not equals.

- S == "foo" is more readable than S.equals("foo"), especially for
!Long.Expression.equals("str") vs Long.Expression != "str".

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[llvm-debuginfo-analyzer] Add support for WebAssembly binary format. (#82588)

Add support for the WebAssembly binary format and be able to generate
logical views.

https://github.com/llvm/llvm-pr

[llvm-debuginfo-analyzer] Add support for WebAssembly binary format. (#82588)

Add support for the WebAssembly binary format and be able to generate
logical views.

https://github.com/llvm/llvm-project/issues/69181

The README.txt includes information about how to build the test cases.

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LLVM_FALLTHROUGH => [[fallthrough]]. NFC

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D150996

[llvm-debuginfo-analyzer] (09/09) - CodeView Reader

llvm-debuginfo-analyzer is a command line tool that processes debug
info contained in a binary file and produces a debug information
format agnost

[llvm-debuginfo-analyzer] (09/09) - CodeView Reader

llvm-debuginfo-analyzer is a command line tool that processes debug
info contained in a binary file and produces a debug information
format agnostic “Logical View”, which is a high-level semantic
representation of the debug info, independent of the low-level
format.

The code has been divided into the following patches:

1) Interval tree
2) Driver and documentation
3) Logical elements
4) Locations and ranges
5) Select elements
6) Warning and internal options
7) Compare elements
8) ELF Reader
9) CodeView Reader

Full details:
https://discourse.llvm.org/t/llvm-dev-rfc-llvm-dva-debug-information-visual-analyzer/62570

This patch:

This is a high level summary of the changes in this patch.

CodeView Reader
- Support for CodeView/PDB.
LVCodeViewReader, LVTypeVisitor, LVSymbolVisitor, LVLogicalVisitor

Reviewed By: psamolysov, probinson, djtodoro, zequanwu

Differential Revision: https://reviews.llvm.org/D125784

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[llvm-debuginfo-analyzer] (08a/09) - Memory Management

llvm-debuginfo-analyzer is a command line tool that processes debug
info contained in a binary file and produces a debug information
format agn

[llvm-debuginfo-analyzer] (08a/09) - Memory Management

llvm-debuginfo-analyzer is a command line tool that processes debug
info contained in a binary file and produces a debug information
format agnostic “Logical View”, which is a high-level semantic
representation of the debug info, independent of the low-level
format.

The code has been divided into the following patches:

1) Interval tree
2) Driver and documentation
3) Logical elements
4) Locations and ranges
5) Select elements
6) Warning and internal options
7) Compare elements
8) ELF Reader
8a) Memory Management
9) CodeView Reader

Full details:

https://discourse.llvm.org/t/llvm-dev-rfc-llvm-dva-debug-information-visual-analyzer/62570

This patch:

This is a high level summary of the changes in this patch.

Memory Management
- Use Bump allocators for memory management.

As the logical elements are only allocated in one pass (debuginfo
parsing) and they are never manipulated/created/destroyed later,
use the SpecificBumpPtrAllocator for the memory management.

Reviewed By: dblaikie, Orlando

Differential Revision: https://reviews.llvm.org/D137933

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Remove redundant .c_str() and .get() calls

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D139485

[DebugInfo] Use std::nullopt instead of None (NFC)

This patch mechanically replaces None with std::nullopt where the
compiler would warn if None were deprecated. The intent is to reduce
the amount

[DebugInfo] Use std::nullopt instead of None (NFC)

This patch mechanically replaces None with std::nullopt where the
compiler would warn if None were deprecated. The intent is to reduce
the amount of manual work required in migrating from Optional to
std::optional.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716

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[llvm-debuginfo-analyzer] Fix memory leak reported by sanitizers.

The sanitizer reported memory leak issues; the command line
used in the test case is:

llvm-debuginfo-analyzer --attribute=level

[llvm-debuginfo-analyzer] Fix memory leak reported by sanitizers.

The sanitizer reported memory leak issues; the command line
used in the test case is:

llvm-debuginfo-analyzer --attribute=level
--print=instructions
pr-incorrect-instructions-dwarf-clang.o

When dealing with logical instruction lines associated with
an artificial logical scope, skip the process of finding
their enclosing scope. Just add them to the scope.

Create logical debug lines only if the command line specifies:
--print=lines or --print=elements or --print=all

Reviewed By: jryans, vitalybuka

Differential Revision: https://reviews.llvm.org/D137156

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[llvm-debuginfo-analyzer] (08/09) - ELF Reader

llvm-debuginfo-analyzer is a command line tool that processes debug
info contained in a binary file and produces a debug information
format agnostic “L

[llvm-debuginfo-analyzer] (08/09) - ELF Reader

llvm-debuginfo-analyzer is a command line tool that processes debug
info contained in a binary file and produces a debug information
format agnostic “Logical View”, which is a high-level semantic
representation of the debug info, independent of the low-level
format.

The code has been divided into the following patches:

1) Interval tree
2) Driver and documentation
3) Logical elements
4) Locations and ranges
5) Select elements
6) Warning and internal options
7) Compare elements
8) ELF Reader
9) CodeView Reader

Full details:
https://discourse.llvm.org/t/llvm-dev-rfc-llvm-dva-debug-information-visual-analyzer/62570

This patch:

This is a high level summary of the changes in this patch.

ELF Reader
- Support for ELF/DWARF.
LVBinaryReader, LVELFReader

Reviewed By: psamolysov, probinson

Differential Revision: https://reviews.llvm.org/D125783

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