; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/modules/juce_graphics/image_formats/jpglib (jcparam)

; 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"

; Function Attrs: nounwind uwtable
define dso_local i32 @jpeg_quality_scaling(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = icmp sle i32 %3, 0
  br i1 %4, label %5, label %6

5:                                                ; preds = %1
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %5, %1
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 100
  br i1 %8, label %9, label %10

9:                                                ; preds = %6
  store i32 100, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %9, %6
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = icmp slt i32 %11, 50
  br i1 %12, label %13, label %16

13:                                               ; preds = %10
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = sdiv i32 5000, %14
  store i32 %15, ptr %2, align 4, !tbaa !5
  br label %20

16:                                               ; preds = %10
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = mul nsw i32 %17, 2
  %19 = sub nsw i32 200, %18
  store i32 %19, ptr %2, align 4, !tbaa !5
  br label %20

20:                                               ; preds = %16, %13
  %21 = load i32, ptr %2, align 4, !tbaa !5
  ret i32 %21
}

attributes #0 = { 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local range(i32 -2147483447, 5001) i32 @jpeg_quality_scaling(i32 noundef %0) local_unnamed_addr #0 {
  %spec.store.select = tail call i32 @llvm.smax.i32(i32 %0, i32 1)
  %spec.store.select1 = tail call i32 @llvm.umin.i32(i32 %spec.store.select, i32 100)
  %2 = icmp slt i32 %0, 50
  br i1 %2, label %3, label %5

3:                                                ; preds = %1
  %.rhs.trunc = trunc nuw nsw i32 %spec.store.select1 to i16
  %4 = udiv i16 5000, %.rhs.trunc
  %.zext = zext nneg i16 %4 to i32
  br label %8

5:                                                ; preds = %1
  %6 = shl nuw nsw i32 %spec.store.select1, 1
  %7 = sub nuw nsw i32 200, %6
  br label %8

8:                                                ; preds = %5, %3
  %.0 = phi i32 [ %.zext, %3 ], [ %7, %5 ]
  ret i32 %.0
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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 #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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)"}


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