[LLVMbugs] [Bug 19627] New: Every use of AliasedSymbol is likely bug

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu May 1 12:07:57 PDT 2014


            Bug ID: 19627
           Summary: Every use of AliasedSymbol is likely bug
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: MC
          Assignee: unassignedbugs at nondot.org
          Reporter: rafael.espindola at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

AliasedSymbol is an approximation on what should actually happen in all uses I
have seen so far. Examples of cases it misses:

* Handling "a = b" but not "a = b + 1"
* Propagating information when it should not.
* Missing data about 'b' in:
  b = a
  c = b

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