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Philip Reames a3f59e44cd [RewriteStatepointsForGC] Add tests for the base pointer identification algorithm 
These tests cover the 'base object' identification and rewritting portion of RewriteStatepointsForGC.  These aren't completely exhaustive, but they've proven to be reasonable effective over time at finding regressions.

In the process of porting these tests over, I found my first "cleanup per llvm code style standards" bug.  We were relying on the order of iteration when testing the base pointers found for a derived pointer.  When we switched from std::set to DenseSet, this stopped being a safe assumption.  I'm suspecting I'm going to find more of those.  In particular, I'm now really wondering about the main iteration loop for this algorithm.  I need to go take a closer look at the assumptions there.

I'm not really happy with the fact these are testing what is essentially debug output (i.e. enabled via command line flags).  Suggestions for how to structure this better are very welcome.  



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230818 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-28 00:20:48 +00:00
autoconf Discourage in-source autoconf builds (as we already do for the cmake build) 2015-02-27 23:35:47 +00:00
bindings [PM] Remove the old 'PassManager.h' header file at the top level of 2015-02-13 10:01:29 +00:00
cmake Minor follow-ups to r229720 suggested on llvmdev 2015-02-27 18:22:46 +00:00
docs [new docs] Performance Tips for Frontend Authors 2015-02-27 23:14:50 +00:00
examples [Orc][Kaleidoscope] More tutorial cleanup, a little extra debugging output. 2015-02-26 23:52:42 +00:00
include MachineDominators: Move applySplitCriticalEdges into the cpp file. 2015-02-27 23:13:13 +00:00
lib [RewriteStatepointsForGC] Add tests for the base pointer identification algorithm 2015-02-28 00:20:48 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test [RewriteStatepointsForGC] Add tests for the base pointer identification algorithm 2015-02-28 00:20:48 +00:00
tools llvm-vtabledump: Update field with a better name 2015-02-27 22:35:25 +00:00
unittests [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
utils Switch a std::map to a DenseMap in CodeGenRegisters. 2015-02-27 17:57:01 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Add one more vim swap file pattern 2015-01-30 21:59:28 +00:00
CMakeLists.txt Minor follow-ups to r229720 suggested on llvmdev 2015-02-27 18:22:46 +00:00
CODE_OWNERS.TXT Assume code ownership for the PS4 to ensure patches get reviewed, per the Developer Policy. 2015-01-28 18:33:39 +00:00
configure Discourage in-source autoconf builds (as we already do for the cmake build) 2015-02-27 23:35:47 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
Makefile.rules Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
README.txt Revert test commit 2015-02-04 18:46:00 +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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.