| ; RUN: opt -disable-verify -enable-new-pm=0 -pgo-kind=pgo-instr-gen-pipeline -mtriple=x86_64-- -Os -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-Osz | 
 | ; RUN: opt -disable-verify -enable-new-pm=0 -pgo-kind=pgo-instr-gen-pipeline -mtriple=x86_64-- -Oz -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-Osz | 
 |  | 
 |  | 
 | ; CHECK-Osz: CallGraph Construction | 
 | ; CHECK-Osz-NEXT: Call Graph SCC Pass Manager | 
 | ; CHECK-Osz-NEXT: Function Integration/Inlining | 
 | ; CHECK-Osz-NEXT: FunctionPass Manager | 
 | ; CHECK-Osz-NEXT: Dominator Tree Construction | 
 | ; CHECK-Osz-NEXT: SROA | 
 | ; CHECK-Osz-NEXT: Early CSE | 
 | ; CHECK-Osz-NEXT: Simplify the CFG | 
 | ; CHECK-Osz-NEXT: Dominator Tree Construction | 
 | ; CHECK-Osz-NEXT: Basic Alias Analysis (stateless AA impl) | 
 | ; CHECK-Osz-NEXT: Function Alias Analysis Results | 
 | ; CHECK-Osz-NEXT: Natural Loop Information | 
 | ; CHECK-Osz-NEXT: Lazy Branch Probability Analysis | 
 | ; CHECK-Osz-NEXT: Lazy Block Frequency Analysis | 
 | ; CHECK-Osz-NEXT: Optimization Remark Emitter | 
 | ; CHECK-Osz-NEXT: Combine redundant instructions | 
 |  | 
 | define void @foo() { | 
 |   ret void | 
 | } |