proc addArgumentPromotionPass(pm: PassManagerRef) {.
    importc: "LLVMAddArgumentPromotionPass", cdecl, dynlib: dllname.}

proc addConstantMergePass(pm: PassManagerRef) {.
    importc: "LLVMAddConstantMergePass", cdecl, dynlib: dllname.}

proc addDeadArgEliminationPass(pm: PassManagerRef) {.
    importc: "LLVMAddDeadArgEliminationPass", cdecl, dynlib: dllname.}

proc addFunctionAttrsPass(pm: PassManagerRef) {.
    importc: "LLVMAddFunctionAttrsPass", cdecl, dynlib: dllname.}

proc addFunctionInliningPass(pm: PassManagerRef) {.
    importc: "LLVMAddFunctionInliningPass", cdecl, dynlib: dllname.}

proc addAlwaysInlinerPass(pm: PassManagerRef) {.
    importc: "LLVMAddAlwaysInlinerPass", cdecl, dynlib: dllname.}

proc addGlobalDCEPass(pm: PassManagerRef) {.importc: "LLVMAddGlobalDCEPass", 
    cdecl, dynlib: dllname.}

proc addGlobalOptimizerPass(pm: PassManagerRef) {.
    importc: "LLVMAddGlobalOptimizerPass", cdecl, dynlib: dllname.}

proc addIPConstantPropagationPass(pm: PassManagerRef) {.
    importc: "LLVMAddIPConstantPropagationPass", cdecl, dynlib: dllname.}

proc addPruneEHPass(pm: PassManagerRef) {.importc: "LLVMAddPruneEHPass", 
    cdecl, dynlib: dllname.}

proc addIPSCCPPass(pm: PassManagerRef) {.importc: "LLVMAddIPSCCPPass", 
    cdecl, dynlib: dllname.}

proc addInternalizePass(pm: PassManagerRef; allButMain: cuint) {.
    importc: "LLVMAddInternalizePass", cdecl, dynlib: dllname.}

proc addStripDeadPrototypesPass(pm: PassManagerRef) {.
    importc: "LLVMAddStripDeadPrototypesPass", cdecl, dynlib: dllname.}

proc addStripSymbolsPass(pm: PassManagerRef) {.
    importc: "LLVMAddStripSymbolsPass", cdecl, dynlib: dllname.}