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ddb22b2673
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Teresa Johnson ddb22b2673 [ThinLTO] Perform profile-guided indirect call promotion 
Summary:
To enable profile-guided indirect call promotion in ThinLTO mode, we
simply add call graph edges for each profitable target from the profile
to the summaries, then the summary-guided importing will consider the
callee for importing as usual.

Also we need to enable the indirect call promotion pass creation in the
PassManagerBuilder when PerformThinLTO=true (we are in the ThinLTO
backend), so that the newly imported functions are considered for
promotion in the backends.

The IC promotion profiles refer to callees by GUID, which required
adding GUIDs to the per-module VST in bitcode (and assigning them
valueIds similar to how they are assigned valueIds in the combined
index).

Reviewers: mehdi_amini, xur

Subscribers: mehdi_amini, davidxl, llvm-commits

Differential Revision: http://reviews.llvm.org/D21932

llvm-svn: 275707
2016-07-17 14:47:01 +00:00
bindings [OCaml] Add functions for accessing metadata nodes. 2016-06-22 03:30:24 +00:00
cmake [cmake] Create the LLVM_BUILD_UTILS option. 2016-07-10 02:43:47 +00:00
docs bugpoint: add flag -verbose-errors 2016-07-15 23:15:06 +00:00
examples [Kaleidoscope][BuildingAJIT] Start filling in text for chapter 3. 2016-07-15 01:39:49 +00:00
include [ThinLTO] Perform profile-guided indirect call promotion 2016-07-17 14:47:01 +00:00
lib [ThinLTO] Perform profile-guided indirect call promotion 2016-07-17 14:47:01 +00:00
projects Remove autoconf support 2016-01-26 21:29:08 +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] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
test [ThinLTO] Perform profile-guided indirect call promotion 2016-07-17 14:47:01 +00:00
tools llc: Add support for -run-pass none 2016-07-16 02:24:59 +00:00
unittests Don't do uint64_t(1) << 64 in maxUIntN. 2016-07-16 00:59:41 +00:00
utils IR: Sort generic intrinsics before target specific ones 2016-07-15 16:31:37 +00:00
.arcconfig Upgrade all the .arcconfigs to https. 2016-07-14 13:15:37 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Don't use misc-unused-parameters check on LLVM. 2016-04-13 08:58:52 +00:00
.gitignore [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
CMakeLists.txt [cmake] Create the LLVM_BUILD_UTILS option. 2016-07-10 02:43:47 +00:00
CODE_OWNERS.TXT Transfer ownership of the gold plugin. 2016-07-05 20:49:50 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Update my email address. 2016-05-10 16:23:54 +00:00
LICENSE.TXT Update copyright year to 2016. 2016-03-30 22:41:06 +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 Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
README.txt Revert previous test commit. 2016-01-04 19:13:29 +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
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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.