1 # Check that -print-machineinstrs doesn't assert when it's passed an unknown pass name.
2 # RUN: llc -mtriple=x86_64-- -start-before=greedy -print-machineinstrs=greedy %s -o /dev/null
3 # RUN: not llc -mtriple=x86_64-- -start-before=greedy -print-machineinstrs=unknown %s -o /dev/null 2>&1 | FileCheck %s
4 # CHECK: LLVM ERROR: "unknown" pass is not registered.
9 tracksRegLiveness: true