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Johannes Doerfert a768624f14 [FIX] Introduce different SAI objects for scalar and memory accesses 
Even if a scalar and memory access have the same base pointer, we cannot use
  one SAI object as the type but also the number of dimensions are wrong. For
  the attached test case this caused a crash in the invariant load hoisting,
  though it could cause various other problems too.

This fixes bug 25428 and a execution time bug in MallocBench/cfrac.

Reported-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
llvm-svn: 252422
 		2015-11-08 19:12:05 +00:00
..
autoconf Generate gitversion.h in autoconf builds 2015-09-09 13:15:11 +00:00
cmake Compile ISL into its own library 2015-09-24 11:30:22 +00:00
include/polly [FIX] Introduce different SAI objects for scalar and memory accesses 2015-11-08 19:12:05 +00:00
lib [FIX] Introduce different SAI objects for scalar and memory accesses 2015-11-08 19:12:05 +00:00
test [FIX] Introduce different SAI objects for scalar and memory accesses 2015-11-08 19:12:05 +00:00
tools Do not compile GPU library with sanitizers 2015-07-28 12:51:23 +00:00
utils Revise polly-{update|check}-format targets 2015-09-14 16:59:50 +00:00
www Mark a couple of issues as done 2015-09-24 14:30:14 +00:00
.arcconfig Adjusted arc linter config for modern version of arcanist 2015-08-12 09:01:16 +00:00
.arclint Adjusted arc linter config for modern version of arcanist 2015-08-12 09:01:16 +00:00
.gitattributes gitattributes: .png and .txt are no text files 2013-07-28 09:05:20 +00:00
.gitignore Add git patch files to .gitignore 2015-06-23 20:55:01 +00:00
CMakeLists.txt Add -sort-includes to our automatic source code formatting 2015-10-15 12:18:37 +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 Fix autotools build 2015-06-25 16:50:13 +00:00
README Trivial change to the README, mainly to test commit access. 2012-10-09 04:59:42 +00:00
configure Enable ISL's small integer optimization 2015-06-25 20:47:35 +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.