; LLVM IR from jgaeddert/liquid-dsp :: src/framing/src (flexframegen)

; 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.flexframegen_s = type { i32, i32, float, ptr, [2 x { float, float }], %struct.flexframegenprops_s, %struct.flexframegenprops_s, ptr, ptr, i32, i32, ptr, i32, ptr, ptr, i32, ptr, i32, ptr, i32, ptr, i32, i32, i32, i32, i32 }
%struct.flexframegenprops_s = type { i32, i32, i32, i32 }

@.str.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [49 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

declare i32 @liquid_error_fl(i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @flexframegen_getframelen(ptr noundef %0) #2 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.flexframegen_s, ptr %5, i32 0, i32 23
  %7 = load i32, ptr %6, align 8, !tbaa !9
  %8 = icmp ne i32 %7, 0
  br i1 %8, label %11, label %9

9:                                                ; preds = %1
  %10 = call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 3, ptr noundef @.str.1, i32 noundef 327, ptr noundef @.str.10)
  store i32 0, ptr %2, align 4
  br label %30

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.flexframegen_s, ptr %12, i32 0, i32 15
  %14 = load i32, ptr %13, align 8, !tbaa !14
  %15 = add i32 64, %14
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.flexframegen_s, ptr %16, i32 0, i32 19
  %18 = load i32, ptr %17, align 8, !tbaa !15
  %19 = add i32 %15, %18
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.flexframegen_s, ptr %20, i32 0, i32 1
  %22 = load i32, ptr %21, align 4, !tbaa !16
  %23 = mul i32 2, %22
  %24 = add i32 %19, %23
  store i32 %24, ptr %4, align 4, !tbaa !17
  %25 = load i32, ptr %4, align 4, !tbaa !17
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.flexframegen_s, ptr %26, i32 0, i32 0
  %28 = load i32, ptr %27, align 8, !tbaa !18
  %29 = mul i32 %25, %28
  store i32 %29, ptr %2, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %30

30:                                               ; preds = %11, %9
  %31 = load i32, ptr %2, align 4
  ret i32 %31
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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, !11, i64 184}
!10 = !{!"flexframegen_s", !11, i64 0, !11, i64 4, !12, i64 8, !6, i64 16, !7, i64 24, !13, i64 40, !13, i64 56, !6, i64 72, !6, i64 80, !11, i64 88, !11, i64 92, !6, i64 96, !11, i64 104, !6, i64 112, !6, i64 120, !11, i64 128, !6, i64 136, !11, i64 144, !6, i64 152, !11, i64 160, !6, i64 168, !11, i64 176, !11, i64 180, !11, i64 184, !11, i64 188, !11, i64 192}
!11 = !{!"int", !7, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12}
!14 = !{!10, !11, i64 128}
!15 = !{!10, !11, i64 160}
!16 = !{!10, !11, i64 4}
!17 = !{!11, !11, i64 0}
!18 = !{!10, !11, 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"

@.str.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [49 x i8], align 1

declare i32 @liquid_error_fl(i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @flexframegen_getframelen(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = getelementptr inbounds i8, ptr %0, i64 184
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %4, label %6

4:                                                ; preds = %1
  %5 = tail call i32 (i32, ptr, i32, ptr, ...) @liquid_error_fl(i32 noundef 3, ptr noundef nonnull @.str.1, i32 noundef 327, ptr noundef nonnull @.str.10) #2
  br label %19

6:                                                ; preds = %1
  %7 = getelementptr inbounds i8, ptr %0, i64 128
  %8 = load i32, ptr %7, align 8, !tbaa !13
  %9 = add i32 %8, 64
  %10 = getelementptr inbounds i8, ptr %0, i64 160
  %11 = load i32, ptr %10, align 8, !tbaa !14
  %12 = add i32 %9, %11
  %13 = getelementptr inbounds i8, ptr %0, i64 4
  %14 = load i32, ptr %13, align 4, !tbaa !15
  %15 = shl i32 %14, 1
  %16 = add i32 %12, %15
  %17 = load i32, ptr %0, align 8, !tbaa !16
  %18 = mul i32 %16, %17
  br label %19

19:                                               ; preds = %6, %4
  %.0 = phi i32 [ %18, %6 ], [ 0, %4 ]
  ret i32 %.0
}

attributes #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 = { 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, !7, i64 184}
!6 = !{!"flexframegen_s", !7, i64 0, !7, i64 4, !10, i64 8, !11, i64 16, !8, i64 24, !12, i64 40, !12, i64 56, !11, i64 72, !11, i64 80, !7, i64 88, !7, i64 92, !11, i64 96, !7, i64 104, !11, i64 112, !11, i64 120, !7, i64 128, !11, i64 136, !7, i64 144, !11, i64 152, !7, i64 160, !11, i64 168, !7, i64 176, !7, i64 180, !7, i64 184, !7, i64 188, !7, i64 192}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"float", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12}
!13 = !{!6, !7, i64 128}
!14 = !{!6, !7, i64 160}
!15 = !{!6, !7, i64 4}
!16 = !{!6, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass