[LLVMdev] "Not all catch info was assigned to a landing pad!"' failed

[Kostya Serebryany]

Hi,

My transformation phase inserts an if-the-else construct into a BB.
If that BB contains llvm.eh.exception, I get an Assertion at some later
point:

lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp:212:
void llvm::FunctionLoweringInfo::clear(): Assertion `CatchInfoFound.size()
== CatchInfoLost.size() && "Not all catch info was assigned to a  landing
pad!"' failed.

Is there some rule that forbids splitting BBs with EH?
Or maybe something special needs to be done when splitting such BB?

The code is here:
http://code.google.com/p/address-sanitizer/source/browse/trunk/llvm/AddressSanitizer.cpp
,
see splitBlockAndInsertIfThen

Thanks,

--kcc
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