; LLVM IR from TobiasKozel/VAE :: external/portaudio/src/common (pa_front)

; 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.PaUtilHostApiRepresentation = type { %struct.PaUtilPrivatePaFrontHostApiInfo, %struct.PaHostApiInfo, ptr, ptr, ptr, ptr }
%struct.PaUtilPrivatePaFrontHostApiInfo = type { i64 }
%struct.PaHostApiInfo = type { i32, i32, ptr, i32, i32, i32 }

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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @PaUtil_DeviceIndexToHostApiDeviceIndex(ptr noundef %0, i32 noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = sext i32 %9 to i64
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.PaUtilHostApiRepresentation, ptr %11, i32 0, i32 0
  %13 = getelementptr inbounds %struct.PaUtilPrivatePaFrontHostApiInfo, ptr %12, i32 0, i32 0
  %14 = load i64, ptr %13, align 8, !tbaa !11
  %15 = sub i64 %10, %14
  %16 = trunc i64 %15 to i32
  store i32 %16, ptr %8, align 4, !tbaa !9
  %17 = load i32, ptr %8, align 4, !tbaa !9
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %26, label %19

19:                                               ; preds = %3
  %20 = load i32, ptr %8, align 4, !tbaa !9
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.PaUtilHostApiRepresentation, ptr %21, i32 0, i32 1
  %23 = getelementptr inbounds %struct.PaHostApiInfo, ptr %22, i32 0, i32 3
  %24 = load i32, ptr %23, align 8, !tbaa !16
  %25 = icmp sge i32 %20, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %19, %3
  store i32 -9996, ptr %7, align 4, !tbaa !9
  br label %30

27:                                               ; preds = %19
  %28 = load i32, ptr %8, align 4, !tbaa !9
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 %28, ptr %29, align 4, !tbaa !9
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %27, %26
  %31 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret i32 %31
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !14, i64 0}
!12 = !{!"PaUtilHostApiRepresentation", !13, i64 0, !15, i64 8, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64}
!13 = !{!"PaUtilPrivatePaFrontHostApiInfo", !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!"PaHostApiInfo", !10, i64 0, !10, i64 4, !6, i64 8, !10, i64 16, !10, i64 20, !10, i64 24}
!16 = !{!12, !10, i64 24}


; 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(argmem: readwrite) uwtable
define dso_local range(i32 -9996, 1) i32 @PaUtil_DeviceIndexToHostApiDeviceIndex(ptr nocapture noundef writeonly %0, i32 noundef %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = load i64, ptr %2, align 8, !tbaa !5
  %5 = trunc i64 %4 to i32
  %6 = sub i32 %1, %5
  %7 = icmp slt i32 %6, 0
  br i1 %7, label %12, label %8

8:                                                ; preds = %3
  %9 = getelementptr inbounds i8, ptr %2, i64 24
  %10 = load i32, ptr %9, align 8, !tbaa !14
  %.not = icmp slt i32 %6, %10
  br i1 %.not, label %11, label %12

11:                                               ; preds = %8
  store i32 %6, ptr %0, align 4, !tbaa !15
  br label %12

12:                                               ; preds = %3, %8, %11
  %.0 = phi i32 [ 0, %11 ], [ -9996, %8 ], [ -9996, %3 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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, !8, i64 0}
!6 = !{!"PaUtilHostApiRepresentation", !7, i64 0, !11, i64 8, !13, i64 40, !13, i64 48, !13, i64 56, !13, i64 64}
!7 = !{!"PaUtilPrivatePaFrontHostApiInfo", !8, i64 0}
!8 = !{!"long", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"PaHostApiInfo", !12, i64 0, !12, i64 4, !13, i64 8, !12, i64 16, !12, i64 20, !12, i64 24}
!12 = !{!"int", !9, i64 0}
!13 = !{!"any pointer", !9, i64 0}
!14 = !{!6, !12, i64 24}
!15 = !{!12, !12, i64 0}


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