[LLVMbugs] [Bug 4396] Assertion `(PhysReg == 0 || !isChain) && " Chain dependence via physreg data?"' failed.

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Mon Jun 15 07:46:29 PDT 2009


Arnold Schwaighofer <arnold.schwaighofer at gmail.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #1 from Arnold Schwaighofer <arnold.schwaighofer at gmail.com>  2009-06-15 09:46:29 ---
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.

Fixed in <http://llvm.org/viewvc/llvm-project?view=rev&revision=73387>.

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