http://llvm.org/bugs/show_bug.cgi?id=4200
Summary: Pass Manager Hangs
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
With this particular pattern of passes requiring one another and LoopSimplify
and CallGraph, pass manager never terminates.
I have confirmed this with gcc 4.1.2 and 4.2.4 against llvm svn revision 68820.
To recreate this bug,
Compile the attached C++ source code to a shared library
Run opt:
opt -load ./libBug.so -after input.bc -o output.bc
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