http://bugs.llvm.org/show_bug.cgi?id=32039
Bug ID: 32039
Summary: Very slow compilation / high memory use with
LoopStrengthReduce and SCEV
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Loop Optimizer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 18017
--> http://bugs.llvm.org/attachment.cgi?id=18017&action=edit
Test case
The attached test case is from Scribus. Compiling with -O2 will eat > 1GB RAM
and take a long time to compile. The semantically equivalent version with many
of the while loops replaced by plain ifs is much faster.
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