; RUN: llc -mtriple=arm -O3 -debug-pass=Structure < %s -o /dev/null 2>&1 | grep -v "Verify generated machine code" | FileCheck %s ; REQUIRES: asserts ; CHECK: ModulePass Manager ; CHECK-NEXT: Pre-ISel Intrinsic Lowering ; CHECK-NEXT: FunctionPass Manager ; CHECK-NEXT: Expand Atomic instructions ; CHECK-NEXT: Simplify the CFG ; CHECK-NEXT: Dominator Tree Construction ; CHECK-NEXT: Natural Loop Information ; CHECK-NEXT: MVE gather/scatter lowering ; CHECK-NEXT: Module Verifier ; CHECK-NEXT: Basic Alias Analysis (stateless AA impl) ; CHECK-NEXT: Canonicalize natural loops ; CHECK-NEXT: Scalar Evolution Analysis ; CHECK-NEXT: Loop Pass Manager ; CHECK-NEXT: Canonicalize Freeze Instructions in Loops ; CHECK-NEXT: Induction Variable Users ; CHECK-NEXT: Loop Strength Reduction ; CHECK-NEXT: Basic Alias Analysis (stateless AA impl) ; CHECK-NEXT: Function Alias Analysis Results ; CHECK-NEXT: Merge contiguous icmps into a memcmp ; CHECK-NEXT: Natural Loop Information ; CHECK-NEXT: Lazy Branch Probability Analysis ; CHECK-NEXT: Lazy Block Frequency Analysis ; CHECK-NEXT: Expand memcmp() to load/stores ; CHECK-NEXT: Lower Garbage Collection Instructions ; CHECK-NEXT: Shadow Stack GC Lowering ; CHECK-NEXT: Lower constant intrinsics ; CHECK-NEXT: Remove unreachable blocks from the CFG ; CHECK-NEXT: Dominator Tree Construction ; CHECK-NEXT: Natural Loop Information ; CHECK-NEXT: Post-Dominator Tree Construction ; CHECK-NEXT: Branch Probability Analysis ; CHECK-NEXT: Block Frequency Analysis ; CHECK-NEXT: Constant Hoisting ; CHECK-NEXT: Partially inline calls to library functions ; CHECK-NEXT: Instrument function entry/exit with calls to e.g. mcount() (post inlining) ; CHECK-NEXT: Scalarize Masked Memory Intrinsics ; CHECK-NEXT: Expand reduction intrinsics ; CHECK-NEXT: Dominator Tree Construction ; CHECK-NEXT: Natural Loop Information ; CHECK-NEXT: Scalar Evolution Analysis ; CHECK-NEXT: Basic Alias Analysis (stateless AA impl) ; CHECK-NEXT: Function Alias Analysis Results ; CHECK-NEXT: Transform functions to use DSP intrinsics ; CHECK-NEXT: Interleaved Access Pass ; CHECK-NEXT: Type Promotion ; CHECK-NEXT: Dominator Tree Construction ; CHECK-NEXT: Natural Loop Information ; CHECK-NEXT: CodeGen Prepare ; CHECK-NEXT: Rewrite Symbols ; CHECK-NEXT: FunctionPass Manager ; CHECK-NEXT: Dominator Tree Construction ; CHECK-NEXT: Exception handling preparation ; CHECK-NEXT: Merge internal globals ; CHECK-NEXT: Dominator Tree Construction ; CHECK-NEXT: Natural Loop Information ; CHECK-NEXT: Scalar Evolution Analysis ; CHECK-NEXT: Lazy Branch Probability Analysis ; CHECK-NEXT: Lazy Block Frequency Analysis ; CHECK-NEXT: Optimization Remark Emitter ; CHECK-NEXT: Hardware Loop Insertion ; CHECK-NEXT: Scalar Evolution Analysis ; CHECK-NEXT: Loop Pass Manager ; CHECK-NEXT: Transform predicated vector loops to use MVE tail predication ; CHECK-NEXT: Safe Stack instrumentation pass ; CHECK-NEXT: Insert stack protectors ; CHECK-NEXT: Module Verifier ; CHECK-NEXT: Dominator Tree Construction ; CHECK-NEXT: Basic Alias Analysis (stateless AA impl) ; CHECK-NEXT: Function Alias Analysis Results ; CHECK-NEXT: Natural Loop Information ; CHECK-NEXT: Post-Dominator Tree Construction ; CHECK-NEXT: Branch Probability Analysis ; CHECK-NEXT: Lazy Branch Probability Analysis ; CHECK-NEXT: Lazy Block Frequency Analysis ; CHECK-NEXT: ARM Instruction Selection ; CHECK-NEXT: Finalize ISel and expand pseudo-instructions ; CHECK-NEXT: Lazy Machine Block Frequency Analysis ; CHECK-NEXT: Early Tail Duplication ; CHECK-NEXT: Optimize machine instruction PHIs ; CHECK-NEXT: Slot index numbering ; CHECK-NEXT: Merge disjoint stack slots ; CHECK-NEXT: Local Stack Slot Allocation ; CHECK-NEXT: Remove dead machine instructions ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Natural Loop Construction ; CHECK-NEXT: Machine Block Frequency Analysis ; CHECK-NEXT: Early Machine Loop Invariant Code Motion ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Block Frequency Analysis ; CHECK-NEXT: Machine Common Subexpression Elimination ; CHECK-NEXT: MachinePostDominator Tree Construction ; CHECK-NEXT: Machine code sinking ; CHECK-NEXT: Peephole Optimizations ; CHECK-NEXT: Remove dead machine instructions ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: MVE TailPred and VPT Optimisation Pass ; CHECK-NEXT: ARM MLA / MLS expansion pass ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: ARM pre- register allocation load / store optimization pass ; CHECK-NEXT: ARM A15 S->D optimizer ; CHECK-NEXT: Detect Dead Lanes ; CHECK-NEXT: Process Implicit Definitions ; CHECK-NEXT: Remove unreachable machine basic blocks ; CHECK-NEXT: Live Variable Analysis ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Natural Loop Construction ; CHECK-NEXT: Eliminate PHI nodes for register allocation ; CHECK-NEXT: Two-Address instruction pass ; CHECK-NEXT: Slot index numbering ; CHECK-NEXT: Live Interval Analysis ; CHECK-NEXT: Simple Register Coalescing ; CHECK-NEXT: Rename Disconnected Subregister Components ; CHECK-NEXT: Machine Instruction Scheduler ; CHECK-NEXT: Machine Block Frequency Analysis ; CHECK-NEXT: Debug Variable Analysis ; CHECK-NEXT: Live Stack Slot Analysis ; CHECK-NEXT: Virtual Register Map ; CHECK-NEXT: Live Register Matrix ; CHECK-NEXT: Bundle Machine CFG Edges ; CHECK-NEXT: Spill Code Placement Analysis ; CHECK-NEXT: Lazy Machine Block Frequency Analysis ; CHECK-NEXT: Machine Optimization Remark Emitter ; CHECK-NEXT: Greedy Register Allocator ; CHECK-NEXT: Virtual Register Rewriter ; CHECK-NEXT: Stack Slot Coloring ; CHECK-NEXT: Machine Copy Propagation Pass ; CHECK-NEXT: Machine Loop Invariant Code Motion ; CHECK-NEXT: Fixup Statepoint Caller Saved ; CHECK-NEXT: PostRA Machine Sink ; CHECK-NEXT: Machine Block Frequency Analysis ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: MachinePostDominator Tree Construction ; CHECK-NEXT: Lazy Machine Block Frequency Analysis ; CHECK-NEXT: Machine Optimization Remark Emitter ; CHECK-NEXT: Shrink Wrapping analysis ; CHECK-NEXT: Prologue/Epilogue Insertion & Frame Finalization ; CHECK-NEXT: Control Flow Optimizer ; CHECK-NEXT: Lazy Machine Block Frequency Analysis ; CHECK-NEXT: Tail Duplication ; CHECK-NEXT: Machine Copy Propagation Pass ; CHECK-NEXT: Post-RA pseudo instruction expansion pass ; CHECK-NEXT: ARM load / store optimization pass ; CHECK-NEXT: ReachingDefAnalysis ; CHECK-NEXT: ARM Execution Domain Fix ; CHECK-NEXT: BreakFalseDeps ; CHECK-NEXT: ARM pseudo instruction expansion pass ; CHECK-NEXT: Thumb2 instruction size reduce pass ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Natural Loop Construction ; CHECK-NEXT: Machine Block Frequency Analysis ; CHECK-NEXT: If Converter ; CHECK-NEXT: MVE VPT block insertion pass ; CHECK-NEXT: Thumb IT blocks insertion pass ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Natural Loop Construction ; CHECK-NEXT: PostRA Machine Instruction Scheduler ; CHECK-NEXT: Post RA top-down list latency scheduler ; CHECK-NEXT: ARM Indirect Thunks ; CHECK-NEXT: ARM sls hardening pass ; CHECK-NEXT: Analyze Machine Code For Garbage Collection ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Natural Loop Construction ; CHECK-NEXT: Machine Block Frequency Analysis ; CHECK-NEXT: MachinePostDominator Tree Construction ; CHECK-NEXT: Branch Probability Basic Block Placement ; CHECK-NEXT: Insert fentry calls ; CHECK-NEXT: Insert XRay ops ; CHECK-NEXT: Implement the 'patchable-function' attribute ; CHECK-NEXT: Thumb2 instruction size reduce pass ; CHECK-NEXT: Unpack machine instruction bundles ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Natural Loop Construction ; CHECK-NEXT: ARM block placement ; CHECK-NEXT: optimise barriers pass ; CHECK-NEXT: Contiguously Lay Out Funclets ; CHECK-NEXT: StackMap Liveness Analysis ; CHECK-NEXT: Live DEBUG_VALUE analysis ; CHECK-NEXT: Machine Outliner ; CHECK-NEXT: FunctionPass Manager ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: ARM constant island placement and branch shortening pass ; CHECK-NEXT: MachineDominator Tree Construction ; CHECK-NEXT: Machine Natural Loop Construction ; CHECK-NEXT: ReachingDefAnalysis ; CHECK-NEXT: ARM Low Overhead Loops pass ; CHECK-NEXT: Lazy Machine Block Frequency Analysis ; CHECK-NEXT: Machine Optimization Remark Emitter ; CHECK-NEXT: ARM Assembly Printer ; CHECK-NEXT: Free MachineFunction