1; RUN: llc < %s -debug-pass=Structure -stop-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=STOP 2; RUN: llc < %s -debug-pass=Structure -start-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=START 3 4; STOP: -loop-reduce -print-module 5; STOP: Loop Strength Reduction 6; STOP-NEXT: Machine Function Analysis 7 8; START: -machine-branch-prob -gc-lowering 9; START: FunctionPass Manager 10; START-NEXT: Lower Garbage Collection Instructions 11