Duncan P. N. Exon Smith 846a14340c blockfreq: Skip irreducible backedges inside functions
The branch that skips irreducible backedges was only active when
propagating mass at the top-level.  In particular, when propagating mass
through a loop recognized by `LoopInfo` with irreducible control flow
inside, irreducible backedges would not be skipped.

Not sure where that idea came from, but the result was that mass was
lost until after loop exit.  Added a testcase that covers this case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206860 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-22 03:31:53 +00:00
2014-03-29 10:18:08 +00:00
2014-03-12 22:40:22 +00:00
2014-04-07 03:57:04 +00:00
2014-03-12 22:40:22 +00:00
2014-04-02 23:03:28 +00:00
2014-03-29 10:18:08 +00:00
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2014-03-12 22:40:22 +00:00

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.

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LLVM backend for 6502
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