[LLVMbugs] [Bug 615] NEW: TailCalElim pass breaks 'tail' marker semantics

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Sat Aug 6 01:07:43 PDT 2005


           Summary: TailCalElim pass breaks 'tail' marker semantics
           Product: libraries
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Scalar Optimizations
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: alex at inga.mit.edu

fastcc foo () {
tail call fastcc %foo


fastcc foo () {
 br %tailrecurse

Stack allocated by alloca is not poped at the branch since there is no call,
so it grows with recursion. 

(nitpick) Also, I think that "recurse" = to curse again.

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