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Chandler Carruth 263be0967a [x86] Make the retpoline thunk insertion a machine function pass. 
Summary:
This removes the need for a machine module pass using some deeply
questionable hacks. This should address PR36123 which is a case where in
full LTO the memory usage of a machine module pass actually ended up
being significant.

We should revert this on trunk as soon as we understand and fix the
memory usage issue, but we should include this in any backports of
retpolines themselves.

Reviewers: echristo, MatzeB

Subscribers: sanjoy, mcrosier, mehdi_amini, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D42726

llvm-svn: 323915
2018-01-31 20:56:37 +00:00
bindings [NFC] fix trivial typos in comments and documents 2018-01-26 08:15:29 +00:00
cmake [cmake] Don't build Native llvm-config when cross compiling if passed by user. 2018-01-21 00:29:00 +00:00
docs docs: wordsmith some of the linker option extension 2018-01-31 00:16:23 +00:00
examples PR35705: Fix Chapter 9 example code for API changes to DIBuilder 2017-12-20 19:36:54 +00:00
include AMDGPU: Add intrinsics llvm.amdgcn.cvt.{pknorm.i16, pknorm.u16, pk.i16, pk.u16} 2018-01-31 20:18:04 +00:00
lib [x86] Make the retpoline thunk insertion a machine function pass. 2018-01-31 20:56:37 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake] Support for cross-compilation when build runtimes 2018-01-08 23:50:59 +00:00
test [x86] Make the retpoline thunk insertion a machine function pass. 2018-01-31 20:56:37 +00:00
tools [WebAssembly] MC: Remove unused code for handling of wasm globals 2018-01-31 19:50:14 +00:00
unittests [globalisel][legalizer] Fix a fallthrough case in the unittests debug printing 2018-01-29 23:47:41 +00:00
utils [utils] De-duplicate utils/update_{llc_,}test_checks.py 2018-01-30 00:40:05 +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 .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitattributes [MC] Fix regression tests on Windows when git “core.autocrlf” is set to true. 2017-11-17 21:59:43 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [CMake] Fix Bug Report URL 2018-01-25 19:16:46 +00:00
CODE_OWNERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Add myself to CREDITS.txt 2018-01-29 17:02:34 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
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.