; LLVM IR from jgaeddert/liquid-dsp :: sandbox (iirdes_gradsearch_test)

; 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.gs_s = type { i32, i32, i32, i32, i32, ptr, ptr, float, float, float, ptr, ptr, i32, ptr, float, float, float }

@stderr = external global ptr, align 8
@.str.44 = external hidden unnamed_addr constant [31 x i8], align 1

; 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
declare dso_local void @gs_unpack(ptr noundef, ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @gs_expand(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local float @gs_evaluate(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
define dso_local float @gs_callback(ptr noundef %0, ptr noundef %1, i32 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %8, ptr %7, align 8, !tbaa !5
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.gs_s, ptr %10, i32 0, i32 4
  %12 = load i32, ptr %11, align 8, !tbaa !11
  %13 = icmp ne i32 %9, %12
  br i1 %13, label %14, label %17

14:                                               ; preds = %3
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, ptr noundef @.str.44) #5
  call void @exit(i32 noundef 1) #6
  unreachable

17:                                               ; preds = %3
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  call void @gs_unpack(ptr noundef %18, ptr noundef %19, i32 noundef 0)
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  call void @gs_expand(ptr noundef %20, i32 noundef 0)
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = call float @gs_evaluate(ptr noundef %21, i32 noundef 0)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret float %22
}

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind uwtable "min-legal-vector-width"="64" "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 "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 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 #4 = { noreturn nounwind "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 #5 = { nounwind }
attributes #6 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 16}
!12 = !{!"gs_s", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !6, i64 24, !6, i64 32, !13, i64 40, !13, i64 44, !13, i64 48, !6, i64 56, !6, i64 64, !10, i64 72, !6, i64 80, !13, i64 88, !13, i64 92, !13, i64 96}
!13 = !{!"float", !7, 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.44 = external hidden unnamed_addr constant [31 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @gs_unpack(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @gs_expand(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local float @gs_evaluate(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local float @gs_callback(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i32 %5, %2
  br i1 %.not, label %9, label %6

6:                                                ; preds = %3
  %7 = load ptr, ptr @stderr, align 8, !tbaa !12
  %8 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %7, ptr noundef nonnull @.str.44) #4
  tail call void @exit(i32 noundef 1) #5
  unreachable

9:                                                ; preds = %3
  tail call void @gs_unpack(ptr noundef nonnull %0, ptr noundef %1, i32 noundef 0)
  tail call void @gs_expand(ptr noundef nonnull %0, i32 noundef 0)
  %10 = tail call float @gs_evaluate(ptr noundef nonnull %0, i32 noundef 0)
  ret float %10
}

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #3

attributes #0 = { nounwind uwtable "min-legal-vector-width"="64" "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 = { nofree nounwind "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 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 = { noreturn nounwind "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 #4 = { cold nounwind }
attributes #5 = { 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, !7, i64 16}
!6 = !{!"gs_s", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !10, i64 24, !10, i64 32, !11, i64 40, !11, i64 44, !11, i64 48, !10, i64 56, !10, i64 64, !7, i64 72, !10, i64 80, !11, i64 88, !11, i64 92, !11, i64 96}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"float", !8, i64 0}
!12 = !{!10, !10, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass