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Zachary Turner 1e52ce2b64 [CodeView] Emit the correct TypeIndex for std::nullptr_t. 
The TypeIndex used by cl.exe is 0x103, which indicates a SimpleTypeMode
of NearPointer (note the absence of the bitness, normally pointers use a
mode of NearPointer32 or NearPointer64) and a SimpleTypeKind of void.
So this is basically a void*, but without a specified size, which makes
sense given how std::nullptr_t is defined.

clang-cl was actually not emitting *anything* for this. Instead, when we
encountered std::nullptr_t in a DIType, we would actually just emit a
TypeIndex of 0, which is obviously wrong.

std::nullptr_t in DWARF is represented as a DW_TAG_unspecified_type with
a name of "decltype(nullptr)", so we add that logic along with a test,
as well as an update to the dumping code so that we no longer print
void* when dumping 0x103 (which would previously treat Void/NearPointer
no differently than Void/NearPointer64).

Differential Revision: https://reviews.llvm.org/D53957

llvm-svn: 345811
2018-11-01 04:02:41 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [TI removal] Remove TerminatorInst references from bindings. 2018-10-18 07:40:03 +00:00
cmake [MinGW] Enable large file for mingw-w64 2018-10-24 12:22:12 +00:00
docs [COFF, ARM64] Implement Intrinsic.sponentry for AArch64 2018-10-31 23:16:20 +00:00
examples [BuildingAJIT] Update the Ch1 KaleidoscopeJIT class to expose errors to clients. 2018-10-18 00:51:38 +00:00
include [CodeView] Emit the correct TypeIndex for std::nullptr_t. 2018-11-01 04:02:41 +00:00
lib [CodeView] Emit the correct TypeIndex for std::nullptr_t. 2018-11-01 04:02:41 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [CodeView] Emit the correct TypeIndex for std::nullptr_t. 2018-11-01 04:02:41 +00:00
tools [llvm-mca] Remove the verb 'assemble' from a few options in help. NFC. 2018-10-31 17:47:25 +00:00
unittests [XRay] Add CPU ID in Custom Event FDR Records 2018-11-01 00:18:52 +00:00
utils TableGen: Fix ASAN error 2018-10-31 17:46:21 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore [git/svn] Ignore Visual Studio's CMakeSettings.json. 2018-10-29 14:51:02 +00:00
CMakeLists.txt [CMake] Fix a missing LLVM_ENABLE_IDE from r344555 2018-10-15 22:36:59 +00:00
CODE_OWNERS.TXT Add owner for llvm-objcopy 2018-08-09 22:05:19 +00:00
configure
CREDITS.TXT [NFC] Add periods to CREDITS.txt (testing git-llvm) 2018-10-26 06:57:02 +00:00
LICENSE.TXT Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. 2018-09-22 01:01:03 +00:00
RELEASE_TESTERS.TXT Remove myself from the release testers list. (NFC) 2018-06-20 21:25:50 +00:00

README.txt 

The LLVM Compiler Infrastructure
================================

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

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.