; LLVM IR from mbheinen/bpa-ipf-tsp :: cflow (post_pvcurve)

; 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.BS_DVDQ = type { ptr, double, double, double }

@bus_dvdq = external dso_local global [66 x %struct.BS_DVDQ], align 16

; 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 @compare_dvdq1(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %10, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %11, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [66 x %struct.BS_DVDQ], ptr @bus_dvdq, i64 0, i64 %14
  %16 = getelementptr inbounds %struct.BS_DVDQ, ptr %15, i32 0, i32 1
  %17 = load double, ptr %16, align 8, !tbaa !11
  store double %17, ptr %8, align 8, !tbaa !14
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [66 x %struct.BS_DVDQ], ptr @bus_dvdq, i64 0, i64 %20
  %22 = getelementptr inbounds %struct.BS_DVDQ, ptr %21, i32 0, i32 1
  %23 = load double, ptr %22, align 8, !tbaa !11
  store double %23, ptr %9, align 8, !tbaa !14
  %24 = load double, ptr %8, align 8, !tbaa !14
  %25 = load double, ptr %9, align 8, !tbaa !14
  %26 = fcmp olt double %24, %25
  br i1 %26, label %27, label %28

27:                                               ; preds = %2
  store i32 1, ptr %7, align 4, !tbaa !9
  br label %35

28:                                               ; preds = %2
  %29 = load double, ptr %8, align 8, !tbaa !14
  %30 = load double, ptr %9, align 8, !tbaa !14
  %31 = fcmp ogt double %29, %30
  br i1 %31, label %32, label %33

32:                                               ; preds = %28
  store i32 -1, ptr %7, align 4, !tbaa !9
  br label %34

33:                                               ; preds = %28
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %34

34:                                               ; preds = %33, %32
  br label %35

35:                                               ; preds = %34, %27
  %36 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret i32 %36
}

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, !13, i64 8}
!12 = !{!"", !6, i64 0, !13, i64 8, !13, i64 16, !13, i64 24}
!13 = !{!"double", !7, i64 0}
!14 = !{!13, !13, 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"

%struct.BS_DVDQ = type { ptr, double, double, double }

@bus_dvdq = external dso_local local_unnamed_addr global [66 x %struct.BS_DVDQ], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local range(i32 -1, 2) i32 @compare_dvdq1(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %4 = sext i32 %3 to i64
  %5 = getelementptr inbounds [66 x %struct.BS_DVDQ], ptr @bus_dvdq, i64 0, i64 %4, i32 1
  %6 = load double, ptr %5, align 8, !tbaa !9
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [66 x %struct.BS_DVDQ], ptr @bus_dvdq, i64 0, i64 %8, i32 1
  %10 = load double, ptr %9, align 8, !tbaa !9
  %11 = fcmp olt double %6, %10
  %12 = fcmp ogt double %6, %10
  %. = sext i1 %12 to i32
  %.0 = select i1 %11, i32 1, i32 %.
  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, !12, i64 8}
!10 = !{!"", !11, i64 0, !12, i64 8, !12, i64 16, !12, i64 24}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"double", !7, i64 0}


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