http://llvm.org/bugs/show_bug.cgi?id=7840
Summary: Loops are not unrolled
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Loop Optimizer
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=5345)
--> (http://llvm.org/bugs/attachment.cgi?id=5345)
Test C source
Consider the attached ะก / .ll source. opt -O3 does not unroll the loops there.
For me it seems like a pass ordering issue - additional early run of GVN fixes
the problem. Should we consider adding second GVN pass?
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