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

; 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"

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @smatrixb_create_array(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 ptr, align 8
  %8 = alloca i32, align 4
  %9 = 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
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = call ptr @smatrixb_create(i32 noundef %10, i32 noundef %11)
  store ptr %12, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %53, %3
  %14 = load i32, ptr %8, align 4, !tbaa !9
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = icmp ult i32 %14, %15
  br i1 %16, label %17, label %56

17:                                               ; preds = %13
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %49, %17
  %19 = load i32, ptr %9, align 4, !tbaa !9
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = icmp ult i32 %19, %20
  br i1 %21, label %22, label %52

22:                                               ; preds = %18
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load i32, ptr %8, align 4, !tbaa !9
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = mul i32 %24, %25
  %27 = load i32, ptr %9, align 4, !tbaa !9
  %28 = add i32 %26, %27
  %29 = zext i32 %28 to i64
  %30 = getelementptr inbounds i8, ptr %23, i64 %29
  %31 = load i8, ptr %30, align 1, !tbaa !11
  %32 = zext i8 %31 to i32
  %33 = icmp ne i32 %32, 0
  br i1 %33, label %34, label %48

34:                                               ; preds = %22
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  %36 = load i32, ptr %8, align 4, !tbaa !9
  %37 = load i32, ptr %9, align 4, !tbaa !9
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  %39 = load i32, ptr %8, align 4, !tbaa !9
  %40 = load i32, ptr %6, align 4, !tbaa !9
  %41 = mul i32 %39, %40
  %42 = load i32, ptr %9, align 4, !tbaa !9
  %43 = add i32 %41, %42
  %44 = zext i32 %43 to i64
  %45 = getelementptr inbounds i8, ptr %38, i64 %44
  %46 = load i8, ptr %45, align 1, !tbaa !11
  %47 = call i32 @smatrixb_set(ptr noundef %35, i32 noundef %36, i32 noundef %37, i8 noundef zeroext %46)
  br label %48

48:                                               ; preds = %34, %22
  br label %49

49:                                               ; preds = %48
  %50 = load i32, ptr %9, align 4, !tbaa !9
  %51 = add i32 %50, 1
  store i32 %51, ptr %9, align 4, !tbaa !9
  br label %18, !llvm.loop !12

52:                                               ; preds = %18
  br label %53

53:                                               ; preds = %52
  %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 %13, !llvm.loop !14

56:                                               ; preds = %13
  %57 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret ptr %57
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @smatrixb_set(ptr noundef, i32 noundef, i32 noundef, i8 noundef zeroext) #0

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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"

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

; Function Attrs: nounwind uwtable
define dso_local ptr @smatrixb_create_array(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = tail call ptr @smatrixb_create(i32 noundef %1, i32 noundef %2)
  %.not = icmp eq i32 %1, 0
  %.not24 = icmp eq i32 %2, 0
  %or.cond = or i1 %.not, %.not24
  br i1 %or.cond, label %._crit_edge23, label %.preheader.us.preheader

.preheader.us.preheader:                          ; preds = %3
  %wide.trip.count = zext i32 %2 to i64
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %._crit_edge.us
  %.01922.us = phi i32 [ %15, %._crit_edge.us ], [ 0, %.preheader.us.preheader ]
  %5 = mul i32 %.01922.us, %2
  br label %6

6:                                                ; preds = %.preheader.us, %14
  %indvars.iv = phi i64 [ 0, %.preheader.us ], [ %indvars.iv.next, %14 ]
  %7 = trunc nuw i64 %indvars.iv to i32
  %8 = add i32 %5, %7
  %9 = zext i32 %8 to i64
  %10 = getelementptr inbounds i8, ptr %0, i64 %9
  %11 = load i8, ptr %10, align 1, !tbaa !5
  %.not.us = icmp eq i8 %11, 0
  br i1 %.not.us, label %14, label %12

12:                                               ; preds = %6
  %13 = tail call i32 @smatrixb_set(ptr noundef %4, i32 noundef %.01922.us, i32 noundef %7, i8 noundef zeroext %11)
  br label %14

14:                                               ; preds = %12, %6
  %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 !8

._crit_edge.us:                                   ; preds = %14
  %15 = add nuw i32 %.01922.us, 1
  %exitcond27.not = icmp eq i32 %15, %1
  br i1 %exitcond27.not, label %._crit_edge23, label %.preheader.us, !llvm.loop !10

._crit_edge23:                                    ; preds = %._crit_edge.us, %3
  ret ptr %4
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @smatrixb_set(ptr noundef, i32 noundef, i32 noundef, i8 noundef zeroext) local_unnamed_addr #0

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" }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}


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