[llvm-bugs] [Bug 35194] New: CodeGenPrepare::placeDbgValues appears to be redundant

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35194

            Bug ID: 35194
           Summary: CodeGenPrepare::placeDbgValues appears to be redundant
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: DebugInfo
          Assignee: unassignedbugs at nondot.org
          Reporter: aprantl at apple.com
                CC: llvm-bugs at lists.llvm.org

// llvm.dbg.value is far away from the value then iSel may not be able
// handle it properly. iSel will drop llvm.dbg.value if it can not
// find a node corresponding to the value.
bool CodeGenPrepare::placeDbgValues(Function &F) {

We have llvm::findDbgValues(). I find it hard to believe that this pass that
moves dbg.values closer to the SSA values they describe is still necessary.

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