[LLVMbugs] [Bug 18520] New: ReplaceInstWithInst should update phi nodes when the instruction being replaced is a BranchInst

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18520

            Bug ID: 18520
           Summary: ReplaceInstWithInst should update phi nodes when the
                    instruction being replaced is a BranchInst
           Product: libraries
           Version: 3.3
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Transformation Utilities
          Assignee: unassignedbugs at nondot.org
          Reporter: mm.bivol at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

When calling ReplaceInstWithInst on a br instruction the phi nodes in old
successor blocks still reference the current block, even if they aren't
successors anymore.

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