[llvm-bugs] [Bug 33901] New: Study impact of SCEV thresholds on compilation time and performance
llvm-bugs at lists.llvm.org
Sun Jul 23 08:34:50 PDT 2017
Bug ID: 33901
Summary: Study impact of SCEV thresholds on compilation time
OS: Windows NT
Component: Scalar Optimizations
Assignee: unassignedbugs at nondot.org
Reporter: max.kazantsev at azul.com
CC: llvm-bugs at lists.llvm.org
Currently, some thresholds set in SCEV (such as depth limits and AddRec max
size limit) are chosen arbitrarily. We should investigate the impact of these
thresholds on performance and compilation time of some set of real-life
workloads and adjust them into some reasonable values that can be justified.
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