; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/juce_audio_basics.ll (ZN4juce7MPEZone13truncateToFitES0_)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"struct.juce::MPEZone" = type { i32, i32, i32, i32 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN4juce4jminIiEET_S1_S1_(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN4juce7MPEZone13truncateToFitES0_(ptr noundef nonnull align 4 dereferenceable(16) %0, i64 %1, i64 %2) #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca i1, align 1
  %5 = alloca %"struct.juce::MPEZone", align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 0
  store i64 %1, ptr %9, align 4
  %10 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 1
  store i64 %2, ptr %10, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %12 = getelementptr inbounds %"struct.juce::MPEZone", ptr %5, i32 0, i32 0
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = getelementptr inbounds %"struct.juce::MPEZone", ptr %11, i32 0, i32 0
  %15 = load i32, ptr %14, align 4, !tbaa !9
  %16 = sub nsw i32 %13, %15
  store i32 %16, ptr %7, align 4, !tbaa !12
  %17 = load i32, ptr %7, align 4, !tbaa !12
  %18 = icmp slt i32 %17, 2
  br i1 %18, label %19, label %20

19:                                               ; preds = %3
  store i1 false, ptr %4, align 1
  store i32 1, ptr %8, align 4
  br label %28

20:                                               ; preds = %3
  %21 = getelementptr inbounds %"struct.juce::MPEZone", ptr %11, i32 0, i32 1
  %22 = load i32, ptr %21, align 4, !tbaa !13
  %23 = load i32, ptr %7, align 4, !tbaa !12
  %24 = sub nsw i32 %23, 1
  %25 = invoke noundef i32 @_ZN4juce4jminIiEET_S1_S1_(i32 noundef %22, i32 noundef %24)
          to label %26 unwind label %30

26:                                               ; preds = %20
  %27 = getelementptr inbounds %"struct.juce::MPEZone", ptr %11, i32 0, i32 1
  store i32 %25, ptr %27, align 4, !tbaa !13
  store i1 true, ptr %4, align 1
  store i32 1, ptr %8, align 4
  br label %28

28:                                               ; preds = %26, %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  %29 = load i1, ptr %4, align 1
  ret i1 %29

30:                                               ; preds = %20
  %31 = landingpad { ptr, i32 }
          catch ptr null
  %32 = extractvalue { ptr, i32 } %31, 0
  call void @__clang_call_terminate(ptr %32) #4
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noinline noreturn nounwind uwtable "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }
attributes #4 = { noreturn nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTSN4juce7MPEZoneE", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !11, i64 4}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN4juce4jminIiEET_S1_S1_(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN4juce7MPEZone13truncateToFitES0_(ptr nocapture noundef nonnull align 4 dereferenceable(16) %0, i64 %1, i64 %2) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %.sroa.0.0.extract.trunc = trunc i64 %1 to i32
  %4 = load i32, ptr %0, align 4, !tbaa !5
  %5 = sub nsw i32 %.sroa.0.0.extract.trunc, %4
  %6 = icmp sgt i32 %5, 1
  br i1 %6, label %7, label %12

7:                                                ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 4
  %9 = load i32, ptr %8, align 4, !tbaa !10
  %10 = add nsw i32 %5, -1
  %11 = tail call noundef i32 @_ZN4juce4jminIiEET_S1_S1_(i32 noundef %9, i32 noundef %10)
  store i32 %11, ptr %8, align 4, !tbaa !10
  br label %12

12:                                               ; preds = %3, %7
  ret i1 %6
}

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !7, i64 0}
!6 = !{!"_ZTSN4juce7MPEZoneE", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 4}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass