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Commit cb9046cf authored by Arnold Schwaighofer's avatar Arnold Schwaighofer
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CheckTailCallReturnConstraints is missing a check on the 

incomming chain of the RETURN node. The incomming chain must
be the outgoing chain of the CALL node. This causes the
backend to identify tail calls that are not tail calls. This
patch fixes this.

llvm-svn: 73387
parent a2937bc3
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