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James Molloy 3daf6c830e [SimplifyCFG] Harden up the profitability heuristic for block splitting during sinking

Exposed by PR30244, we will split a block currently if we think we can sink at least one instruction. However this isn't right - the reason we split predecessors is so that we can sink instructions that otherwise couldn't be sunk because it isn't safe to do so - stores, for example.

So, change the heuristic to only split if it thinks it can sink at least one non-speculatable instruction.

Should fix PR30244.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281160 91177308-0d34-0410-b5e6-96231b3b80d8

2016-09-11 08:07:30 +00:00

bindings

Formatting with clang-format patch r280700

2016-09-06 17:03:02 +00:00

cmake

[cmake] Fix a stale comment from an earlier version of r281085. NFC.

2016-09-09 19:48:22 +00:00

docs

It should also be legal to pass a swifterror parameter to a call as a swifterror

2016-09-10 19:42:53 +00:00

examples

Fix singlton -> singleton typo.

2016-08-26 02:00:21 +00:00

include

[CodeGen] Split out the notions of MI invariance and MI dereferenceability.

2016-09-11 01:38:58 +00:00

lib

[SimplifyCFG] Harden up the profitability heuristic for block splitting during sinking

2016-09-11 08:07:30 +00:00

projects

Enable in-tree builds of parallel-libs.

2016-09-09 21:34:12 +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] Connecting check-all and test-depends targets correctly

2016-09-01 18:26:01 +00:00

test

[SimplifyCFG] Harden up the profitability heuristic for block splitting during sinking

2016-09-11 08:07:30 +00:00

tools

[llvm-cov] Move the 'jump to first unexecuted line' link

2016-09-10 19:37:26 +00:00

unittests

ADT: Move ilist_node_access to ilist_detail::NodeAccess...

2016-09-10 16:55:06 +00:00

utils

[cmake] Export gtest/gtest_main and its dependencies via a special build tree only cmake exports file.

2016-09-09 19:45:34 +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

.clang-tidy: parameters and members should be CamelCased.

2016-09-08 23:29:37 +00:00

.gitignore

gitignore: ignore VS Code editor files

2016-09-02 22:54:26 +00:00

CMakeLists.txt

Try to fix a circular dependency in the modules build.

2016-09-06 20:16:19 +00:00

CODE_OWNERS.TXT

CODE_OWNERS: bring my entry up to date

2016-09-05 17:42:46 +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

Remove the very substantial, largely unmaintained legacy PGO

2013-10-02 15:42:23 +00:00

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)
================================

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.

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