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Dimitry Andric 4340c88305 Clear converters map after X86 Domain Reassignment to avoid crashes 
Summary:
As reported in PR37264, in some cases the X86 Domain Reassignment
`runOnMachineFunction()` is called twice.  Because it only deletes the
`.second` members of its `InstrConverterBaseMap`, and does not clean up
the map itself, this can lead to double frees and crashes.

Use `DeleteContainerSeconds()` instead, so the `Converters` map can
safely be reinitialized and its members re-deleted for each X86 Domain
Reassignment pass.

Reviewers: guyblank, craig.topper

Reviewed By: craig.topper

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D46425

llvm-svn: 332176
2018-05-12 19:59:54 +00:00
bindings [LLVM-C] Consolidate llgo's DIBuilder Bindings 2018-05-10 21:10:06 +00:00
cmake [CMake] Use CMAKE_OBJCOPY and CMAKE_STRIP to externalize debug info 2018-05-09 00:07:42 +00:00
docs fix path to llvm-cfi-verify unittests in docs 2018-05-09 01:15:06 +00:00
examples s/LLVM_ON_WIN32/_WIN32/, llvm 2018-04-29 00:45:03 +00:00
include [X86] Remove some unused masked conversion intrinsics that can be replaced with an older intrinsic and a select. 2018-05-12 02:34:28 +00:00
lib Clear converters map after X86 Domain Reassignment to avoid crashes 2018-05-12 19:59:54 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [CMake] Enable warnings for runtimes 2018-04-27 15:10:50 +00:00
test [X86] Remove some unused masked conversion intrinsics that can be replaced with an older intrinsic and a select. 2018-05-12 02:34:28 +00:00
tools llc: don't call llvm_shutdown twice 2018-05-12 19:38:44 +00:00
unittests [IDF] Enforce the returned blocks to be sorted. 2018-05-12 01:44:32 +00:00
utils Requirements can have & in them! 2018-05-12 00:13:54 +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
CMakeLists.txt Remove LLVM_INSTALL_CCTOOLS_SYMLINKS 2018-04-24 15:41:02 +00:00
CODE_OWNERS.TXT [CODE_OWNERS] Update my email address. 2018-04-23 19:09:49 +00:00
configure
CREDITS.TXT Update my email address and description. 2018-04-29 01:13:57 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit access 2017-08-18 02:39:28 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00

README.txt 

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.

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.