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919a213064
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David Callahan 919a213064 [ADCE] Add control dependence computation 
Summary:
This is part of a serious of patches to evolve ADCE.cpp to support
removing of unnecessary control flow.

This patch adds the ability to compute control dependences using
the iterated dominance frontier. We extend the liveness propagation
to alternate between data and control dependences until convergences.

Modify the pass manager intergation to compute the post-dominator tree
needed for iterator dominance frontier.

We still force all terminators live for now until we add code to
handlinge removing control flow in a later patch.

No changes to effective behavior with this patch

Previous patches:

D23225 [ADCE] Modify data structures to support removing control flow
D23065 [ADCE] Refactor anticipating new functionality (NFC)
D23102 [ADCE] Refactoring for new functionality (NFC)

Reviewers: nadav, majnemer, mehdi_amini

Subscribers: twoh, freik, llvm-commits

Differential Revision: https://reviews.llvm.org/D23559

llvm-svn: 279594
2016-08-24 00:10:06 +00:00
bindings [OCaml] Add functions for accessing metadata nodes. 2016-06-22 03:30:24 +00:00
cmake [CMake/ASan] Skip using libedit if ASan is enabled -- it leaks memory. 2016-08-20 07:05:13 +00:00
docs [libFuzzer] fix link in docs 2016-08-23 23:43:08 +00:00
examples Replace a few more "fall through" comments with LLVM_FALLTHROUGH 2016-08-17 20:30:52 +00:00
include [stackmaps] Remove an unneeded member variable [NFC] 2016-08-23 23:58:08 +00:00
lib [ADCE] Add control dependence computation 2016-08-24 00:10:06 +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 variables for tracking which runtimes are included 2016-08-18 22:18:11 +00:00
test Revert r279564. It introduces undefined behavior (binding a reference to a 2016-08-23 22:08:27 +00:00
tools Revert r279564. It introduces undefined behavior (binding a reference to a 2016-08-23 22:08:27 +00:00
unittests Revert r279564. It introduces undefined behavior (binding a reference to a 2016-08-23 22:08:27 +00:00
utils [X86] Create a new instruction format to handle 4VOp3 encoding. This saves one bit in TSFlags and simplifies MRMSrcMem/MRMSrcReg format handling. 2016-08-22 07:38:50 +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] [OCaml] Add -DLLVM_ENABLE_OCAMLDOC switch 2016-08-23 18:07:16 +00:00
CODE_OWNERS.TXT test commit 2016-08-02 19:25:17 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Shamelessly add myself to CREDITS.TXT 2016-08-04 16:28:22 +00:00
LICENSE.TXT Remove autoconf references from LICENSE.TXT 2016-08-12 20:11:03 +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 Revert rL277454 2016-08-02 13:26:07 +00:00
RELEASE_TESTERS.TXT Adding RELEASE_TESTERS.TXT 2016-07-21 16:46:44 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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Please see the documentation provided in docs/ for further
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