1# Print the help output if no arguments are specified 2# 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-passes 6# RUN: llvm-reduce --print-delta-passes | grep "Delta passes" 7 8# Missing test input 9# RUN: not llvm-reduce --test FileCheck 2>&1 | grep "error: reduction testcase positional argument must be specified" 10 11# Missing test script 12# RUN: not llvm-reduce some-input 2>&1 | grep "error: --test option must be specified" 13