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Chandler Carruth 5394e11a55 Switch the empty and tombstone key enumerators to not have explicit 
values -- that's not required to fix the bug that was cropping up, and
the values selected made the enumeration's underlying type signed and
introduced some warnings. This fixes the -Werror build.

The underlying issue here was that the DenseMapInfo was casting values
completely outside the range of the underlying storage of the
enumeration to the enumeration's type. GCC went and "optimized" that
into infloops and other misbehavior. By providing designated special
values for these keys in the dense map, we ensure they are indeed
representable and that they won't be used for anything else.

It might be better to reuse None for the empty key and have the
tombstone share the value of the sentinel enumerator, but honestly
having 2 extra enumerators seemed not to matter and this seems a bit
simpler. I'll let Bill shuffle this around (or ask me to shuffle it
around) if he prefers it to look a different way.

I also made the switch a bit more clear (and produce a better assert)
that the enumerators are *never* going to show up and are errors if they
do.

llvm-svn: 171614
 		2013-01-05 08:47:26 +00:00
..
autoconf Fix a stray 'dnl' that my editor line-wrapped into this comment. Thanks 2013-01-05 00:34:40 +00:00
bindings [python] Add markup option to disassembler 2012-12-01 21:57:30 +00:00
cmake Add time getters to the process interface for requesting the elapsed 2013-01-04 23:19:55 +00:00
docs Update the gcc-loops benchmarks results with the new automatic unrolling feature. 2013-01-04 19:10:34 +00:00
examples Update the examples for the new header file locations. 2013-01-02 11:56:33 +00:00
include Switch the empty and tombstone key enumerators to not have explicit 2013-01-05 08:47:26 +00:00
lib Switch the empty and tombstone key enumerators to not have explicit 2013-01-05 08:47:26 +00:00
projects Clean up the sample include orderings, not that it really matters... 2012-12-04 10:46:21 +00:00
runtime libprofile/CommonProfiling.c: Fix according to C89. 2012-11-02 01:32:02 +00:00
test Emit DW_TAG_formal_parameter for unnamed parameters. 2013-01-05 07:43:02 +00:00
tools Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
unittests Rename the unittest from ArrayRecylerTest.cpp to ArrayRecyclerTest.cpp. 2013-01-05 02:08:43 +00:00
utils Add Textmate bundle for Tablegen syntax-highlighting 2013-01-04 18:55:24 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:07:58 +00:00
.gitignore Add extra vim swap file pattern 2012-10-09 23:48:34 +00:00
CMakeLists.txt Fix spelling 2012-12-13 15:25:07 +00:00
CODE_OWNERS.TXT R600: Add entry in CODE_OWNERS.TXT 2012-12-19 22:10:35 +00:00
CREDITS.TXT Update my email address. 2012-11-29 21:17:26 +00:00
LICENSE.TXT Update the copyright coredits -- Happy new year 2013! 2013-01-01 10:00:19 +00:00
LLVMBuild.txt
…
Makefile Update the root Makefile for VMCore -> IR. Missed by my original search 2013-01-02 09:27:25 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add options to disable building of ARCMT, Rewriter and Static Analyzer 2012-12-13 16:07:19 +00:00
Makefile.rules Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
README.txt Test commit. 2012-11-29 16:19:11 +00:00
configure Finally, fix the autoconf setup to allow for a missing clock_gettime; 2013-01-05 00:29:06 +00:00
llvm.spec.in
…

README.txt 

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 HTML documentation provided in docs/index.html for further
assistance with LLVM.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.