; LLVM IR from jgaeddert/liquid-dsp :: src/matrix/src (matrixc)

; 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"

@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @matrixc_print(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %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 i32 %2, ptr %6, align 4, !tbaa !9
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = load i32, ptr %6, align 4, !tbaa !9
  %11 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %9, i32 noundef %10)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %58, %3
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = icmp ult i32 %13, %14
  br i1 %15, label %16, label %61

16:                                               ; preds = %12
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %53, %16
  %18 = load i32, ptr %8, align 4, !tbaa !9
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = icmp ult i32 %18, %19
  br i1 %20, label %21, label %56

21:                                               ; preds = %17
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = mul i32 %23, %24
  %26 = load i32, ptr %8, align 4, !tbaa !9
  %27 = add i32 %25, %26
  %28 = zext i32 %27 to i64
  %29 = getelementptr inbounds { double, double }, ptr %22, i64 %28
  %30 = getelementptr inbounds { double, double }, ptr %29, i32 0, i32 0
  %31 = load double, ptr %30, align 8
  %32 = getelementptr inbounds { double, double }, ptr %29, i32 0, i32 1
  %33 = load double, ptr %32, align 8
  %34 = fptrunc double %31 to float
  %35 = fptrunc double %33 to float
  %36 = fpext float %34 to double
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = load i32, ptr %7, align 4, !tbaa !9
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = mul i32 %38, %39
  %41 = load i32, ptr %8, align 4, !tbaa !9
  %42 = add i32 %40, %41
  %43 = zext i32 %42 to i64
  %44 = getelementptr inbounds { double, double }, ptr %37, i64 %43
  %45 = getelementptr inbounds { double, double }, ptr %44, i32 0, i32 0
  %46 = load double, ptr %45, align 8
  %47 = getelementptr inbounds { double, double }, ptr %44, i32 0, i32 1
  %48 = load double, ptr %47, align 8
  %49 = fptrunc double %46 to float
  %50 = fptrunc double %48 to float
  %51 = fpext float %50 to double
  %52 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, double noundef %36, double noundef %51)
  br label %53

53:                                               ; preds = %21
  %54 = load i32, ptr %8, align 4, !tbaa !9
  %55 = add i32 %54, 1
  store i32 %55, ptr %8, align 4, !tbaa !9
  br label %17, !llvm.loop !11

56:                                               ; preds = %17
  %57 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %58

58:                                               ; preds = %56
  %59 = load i32, ptr %7, align 4, !tbaa !9
  %60 = add i32 %59, 1
  store i32 %60, ptr %7, align 4, !tbaa !9
  br label %12, !llvm.loop !13

61:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret i32 0
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local noundef i32 @matrixc_print(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %1, i32 noundef %2)
  %.not = icmp eq i32 %1, 0
  br i1 %.not, label %._crit_edge19, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %3
  %.not20 = icmp eq i32 %2, 0
  br i1 %.not20, label %.preheader, label %.preheader.us.preheader

.preheader.us.preheader:                          ; preds = %.preheader.lr.ph
  %wide.trip.count = zext i32 %2 to i64
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %._crit_edge.us
  %.01518.us = phi i32 [ %20, %._crit_edge.us ], [ 0, %.preheader.us.preheader ]
  %5 = mul i32 %.01518.us, %2
  br label %6

6:                                                ; preds = %.preheader.us, %6
  %indvars.iv = phi i64 [ 0, %.preheader.us ], [ %indvars.iv.next, %6 ]
  %7 = trunc nuw i64 %indvars.iv to i32
  %8 = add i32 %5, %7
  %9 = zext i32 %8 to i64
  %10 = getelementptr inbounds { double, double }, ptr %0, i64 %9
  %11 = load double, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr %10, i64 8
  %13 = load double, ptr %12, align 8
  %14 = fptrunc double %11 to float
  %15 = fpext float %14 to double
  %16 = fptrunc double %13 to float
  %17 = fpext float %16 to double
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, double noundef %15, double noundef %17)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge.us, label %6, !llvm.loop !5

._crit_edge.us:                                   ; preds = %6
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %20 = add nuw i32 %.01518.us, 1
  %exitcond23.not = icmp eq i32 %20, %1
  br i1 %exitcond23.not, label %._crit_edge19, label %.preheader.us, !llvm.loop !7

.preheader:                                       ; preds = %.preheader.lr.ph, %.preheader
  %.01518 = phi i32 [ %22, %.preheader ], [ 0, %.preheader.lr.ph ]
  %21 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %22 = add nuw i32 %.01518, 1
  %exitcond24.not = icmp eq i32 %22, %1
  br i1 %exitcond24.not, label %._crit_edge19, label %.preheader, !llvm.loop !7

._crit_edge19:                                    ; preds = %._crit_edge.us, %.preheader, %3
  ret i32 0
}

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

attributes #0 = { nofree 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 #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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass