http://llvm.org/bugs/show_bug.cgi?id=9398
Summary: 10% of llc compile time is spent in Value::getNumUses
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
When running llc on 403.gcc, 10% of total code generation time is spent in
Value::getNumUses().
It is being called from CodeGenPrepare::OptimizeMemoryInst().
I think we need to tweak that algorithm.
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