Function rustc_codegen_llvm::llvm::LLVMRustConfigurePassManagerBuilder

pub unsafe extern "C" fn LLVMRustConfigurePassManagerBuilder(
    PMB: &PassManagerBuilder, 
    OptLevel: CodeGenOptLevel, 
    MergeFunctions: bool, 
    SLPVectorize: bool, 
    LoopVectorize: bool, 
    PrepareForThinLTO: bool, 
    PGOGenPath: *const c_char, 
    PGOUsePath: *const c_char, 
    PGOSampleUsePath: *const c_char
)