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1# Print the help output if no arguments are specified2# RUN: llvm-reduce --help | grep "LLVM automatic testcase reducer"3# RUN: llvm-reduce | grep "LLVM automatic testcase reducer"4 5# Don't require any other arguments for --print-delta-passes6# RUN: llvm-reduce --print-delta-passes | grep "Delta passes"7 8# Missing test input9# RUN: not llvm-reduce --test FileCheck 2>&1 | grep "error: reduction testcase positional argument must be specified"10 11# Missing test script12# RUN: not llvm-reduce some-input 2>&1 | grep "error: --test option must be specified"13