https://llvm.org/bugs/show_bug.cgi?id=26681
Bug ID: 26681
Summary: Complicated acccess description for multiple div & mod
operations. SPEC2006 h264 bug
Product: Polly
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Other
Assignee: polly-...@googlegroups.com
Reporter: doerf...@cs.uni-saarland.de
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 15926
--> https://llvm.org/bugs/attachment.cgi?id=15926&action=edit
Test case
The access description of the %tmp3 access is very complicated because of the
divisions and modulo operations. During the hoisting this will cause isl to
take "forever" to create an affine functio from the access set
(isl_pw_multi_aff_from_set). We are therefore stuck in
IslNodeBuilder::preloadUnconditionally.
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