http://llvm.org/bugs/show_bug.cgi?id=8174
Summary: Unreachable Block Elim sometimes changes code, but
returns "false" in runOnMachineFunction
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Even if there are no dead blocks, it is possible for UnreachableBlockElim to
remove some Phi nodes. It ought to set a flag and return "true" if it removes
any phi nodes.
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