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llvm-project/polly
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Tobias Grosser 11e3873516 Dead code elimination: Update dependences after eliminating code 
Without updating dependences we may lose implicit transitive dependences for
which all explicit dependences have gone through the statement iterations we
have just eliminated.

No test case. We should probably implement a -verify-dependences option.

This fixes llvm.org/PR21227

llvm-svn: 224459
 		2014-12-17 21:13:55 +00:00
..
autoconf Drop Cloog support 2014-12-02 19:26:58 +00:00
cmake Drop Cloog support 2014-12-02 19:26:58 +00:00
include Dead code elimination: Update dependences after eliminating code 2014-12-17 21:13:55 +00:00
lib Dead code elimination: Update dependences after eliminating code 2014-12-17 21:13:55 +00:00
test Hand-modify a testcase (still PR21532) 2014-12-15 21:43:20 +00:00
tools Update the copyright credits -- Happy new year 2014! 2014-01-01 08:27:31 +00:00
utils Update to the latest version of isl 2014-12-07 16:04:29 +00:00
www www-todo: No need to directly integrate with the basic block vectorizer 2014-12-07 15:57:29 +00:00
.arcconfig Added arcanist (arc) unit test support 2014-09-08 19:30:09 +00:00
.arclint Added arcanist linters and cleaned errors and warnings 2014-08-18 00:40:13 +00:00
.gitattributes gitattributes: .png and .txt are no text files 2013-07-28 09:05:20 +00:00
.gitignore Add test/lit.site.cfg to .gitignore 2014-09-07 15:03:30 +00:00
CMakeLists.txt Drop Cloog support 2014-12-02 19:26:58 +00:00
CREDITS.txt Add myself to the credits 2014-08-10 03:37:29 +00:00
LICENSE.txt Update the copyright credits -- Happy new year 2014! 2014-01-01 08:27:31 +00:00
Makefile Revert "Fix a bug introduced by r153739: We are not able to provide the correct" 2012-04-11 07:43:13 +00:00
Makefile.common.in 'chmod -x' on files that do not need the executable bits 2012-12-29 15:09:03 +00:00
Makefile.config.in Drop Cloog support 2014-12-02 19:26:58 +00:00
README Trivial change to the README, mainly to test commit access. 2012-10-09 04:59:42 +00:00
configure Drop Cloog support 2014-12-02 19:26:58 +00:00

README 

Polly - Polyhedral optimizations for LLVM
-----------------------------------------
http://polly.llvm.org/

Polly uses a mathematical representation, the polyhedral model, to represent and
transform loops and other control flow structures. Using an abstract
representation it is possible to reason about transformations in a more general
way and to use highly optimized linear programming libraries to figure out the
optimal loop structure. These transformations can be used to do constant
propagation through arrays, remove dead loop iterations, optimize loops for
cache locality, optimize arrays, apply advanced automatic parallelization, drive
vectorization, or they can be used to do software pipelining.