Function rustc_llvm_proxy::proxy::LLVMDIBuilderInsertDbgValueBefore

#[no_mangle]
pub unsafe extern "C" fn LLVMDIBuilderInsertDbgValueBefore(
    Builder: LLVMDIBuilderRef, 
    Val: LLVMValueRef, 
    VarInfo: LLVMMetadataRef, 
    Expr: LLVMMetadataRef, 
    DebugLoc: LLVMMetadataRef, 
    Instr: LLVMValueRef
) -> LLVMValueRef