1; REQUIRES: x86-registered-target 2 3; RUN: opt /dev/null -disable-output 2>&1 | FileCheck %s --check-prefix=OK --allow-empty 4; RUN: opt /dev/null -disable-output -passes=instcombine 2>&1 | FileCheck %s --check-prefix=OK --allow-empty 5; RUN: not opt /dev/null -disable-output -instcombine 2>&1 | FileCheck %s --check-prefix=WARN 6; RUN: not opt /dev/null -disable-output -instcombine -always-inline 2>&1 | FileCheck %s --check-prefix=WARN 7; RUN: opt /dev/null -disable-output -codegenprepare -mtriple=x86_64-unknown-linux-gnu 2>&1 | FileCheck %s --check-prefix=OK --allow-empty 8 9; OK-NOT: deprecated 10 11; WARN: The `opt -passname` syntax for the new pass manager is not supported, please use `opt -passes=<pipeline>` (or the `-p` alias for a more concise version). 12