; 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 }

@initializationCount_ = external hidden global i32, align 4
@hostApisCount_ = external hidden global i32, align 4
@hostApis_ = external hidden global ptr, align 8

; 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 @Pa_HostApiDeviceIndexToDeviceIndex(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  %6 = load i32, ptr @initializationCount_, align 4, !tbaa !5
  %7 = icmp ne i32 %6, 0
  br i1 %7, label %9, label %8

8:                                                ; preds = %2
  store i32 -10000, ptr %5, align 4, !tbaa !5
  br label %47

9:                                                ; preds = %2
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = icmp slt i32 %10, 0
  br i1 %11, label %16, label %12

12:                                               ; preds = %9
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = load i32, ptr @hostApisCount_, align 4, !tbaa !5
  %15 = icmp sge i32 %13, %14
  br i1 %15, label %16, label %17

16:                                               ; preds = %12, %9
  store i32 -9978, ptr %5, align 4, !tbaa !5
  br label %46

17:                                               ; preds = %12
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = icmp slt i32 %18, 0
  br i1 %19, label %31, label %20

20:                                               ; preds = %17
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = load ptr, ptr @hostApis_, align 8, !tbaa !9
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds ptr, ptr %22, i64 %24
  %26 = load ptr, ptr %25, align 8, !tbaa !9
  %27 = getelementptr inbounds %struct.PaUtilHostApiRepresentation, ptr %26, i32 0, i32 1
  %28 = getelementptr inbounds %struct.PaHostApiInfo, ptr %27, i32 0, i32 3
  %29 = load i32, ptr %28, align 8, !tbaa !11
  %30 = icmp sge i32 %21, %29
  br i1 %30, label %31, label %32

31:                                               ; preds = %20, %17
  store i32 -9996, ptr %5, align 4, !tbaa !5
  br label %45

32:                                               ; preds = %20
  %33 = load ptr, ptr @hostApis_, align 8, !tbaa !9
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds ptr, ptr %33, i64 %35
  %37 = load ptr, ptr %36, align 8, !tbaa !9
  %38 = getelementptr inbounds %struct.PaUtilHostApiRepresentation, ptr %37, i32 0, i32 0
  %39 = getelementptr inbounds %struct.PaUtilPrivatePaFrontHostApiInfo, ptr %38, i32 0, i32 0
  %40 = load i64, ptr %39, align 8, !tbaa !16
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = add i64 %40, %42
  %44 = trunc i64 %43 to i32
  store i32 %44, ptr %5, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %32, %31
  br label %46

46:                                               ; preds = %45, %16
  br label %47

47:                                               ; preds = %46, %8
  %48 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %48
}

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 24}
!12 = !{!"PaUtilHostApiRepresentation", !13, i64 0, !15, i64 8, !10, i64 40, !10, i64 48, !10, i64 56, !10, i64 64}
!13 = !{!"PaUtilPrivatePaFrontHostApiInfo", !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!"PaHostApiInfo", !6, i64 0, !6, i64 4, !10, i64 8, !6, i64 16, !6, i64 20, !6, i64 24}
!16 = !{!12, !14, i64 0}


; 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"

@initializationCount_ = external hidden local_unnamed_addr global i32, align 4
@hostApisCount_ = external hidden local_unnamed_addr global i32, align 4
@hostApis_ = external hidden local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local i32 @Pa_HostApiDeviceIndexToDeviceIndex(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = load i32, ptr @initializationCount_, align 4, !tbaa !5
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %20, label %4

4:                                                ; preds = %2
  %5 = icmp sgt i32 %0, -1
  %6 = load i32, ptr @hostApisCount_, align 4
  %.not10 = icmp sgt i32 %6, %0
  %or.cond = select i1 %5, i1 %.not10, i1 false
  br i1 %or.cond, label %7, label %20

7:                                                ; preds = %4
  %8 = icmp slt i32 %1, 0
  br i1 %8, label %20, label %9

9:                                                ; preds = %7
  %10 = load ptr, ptr @hostApis_, align 8, !tbaa !9
  %11 = zext nneg i32 %0 to i64
  %12 = getelementptr inbounds ptr, ptr %10, i64 %11
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  %14 = getelementptr inbounds i8, ptr %13, i64 24
  %15 = load i32, ptr %14, align 8, !tbaa !11
  %.not11 = icmp sgt i32 %15, %1
  br i1 %.not11, label %16, label %20

16:                                               ; preds = %9
  %17 = load i64, ptr %13, align 8, !tbaa !16
  %18 = trunc i64 %17 to i32
  %19 = add i32 %18, %1
  br label %20

20:                                               ; preds = %7, %9, %4, %2, %16
  %.0 = phi i32 [ %19, %16 ], [ -10000, %2 ], [ -9978, %4 ], [ -9996, %9 ], [ -9996, %7 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: 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" }

!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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 24}
!12 = !{!"PaUtilHostApiRepresentation", !13, i64 0, !15, i64 8, !10, i64 40, !10, i64 48, !10, i64 56, !10, i64 64}
!13 = !{!"PaUtilPrivatePaFrontHostApiInfo", !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!"PaHostApiInfo", !6, i64 0, !6, i64 4, !10, i64 8, !6, i64 16, !6, i64 20, !6, i64 24}
!16 = !{!12, !14, i64 0}


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