[LLVMbugs] [Bug 4710] simplifycfg horks phi node

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4710


Nick Lewycky <nlewycky at google.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |DUPLICATE
            Summary|Assert fires in the Verifier|simplifycfg horks phi node
                   |when called from the        |
                   |PassManager in 'opt'        |




--- Comment #1 from Nick Lewycky <nlewycky at google.com>  2009-08-13 13:53:51 ---
Asserting is exactly what the verifier is designed to do: check whether the IR
is valid, and if it's not, assert. What you're seeing here is the -simplifycfg
pass producing illegal IR.

This is exactly what test/Transforms/SimplifyCFG/2009-01-18-PHIPropCrash.ll is
testing for. This test is known failing, which is why it's XFAILed (see the
"XFAIL: *" at the top) and contains a reference to the real problem, bug 3016.


*** This bug has been marked as a duplicate of bug 3016 ***


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