; LLVM IR from shamadee/web-dsp :: cpp (webdsp)

; 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: mustprogress nounwind uwtable
define dso_local i32 @getPixel(i32 noundef %0, i32 noundef %1, ptr noundef %2, i32 noundef %3, i32 noundef %4) #0 {
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 %0, ptr %7, align 4, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !5
  store i32 %4, ptr %11, align 4, !tbaa !5
  %12 = load i32, ptr %7, align 4, !tbaa !5
  %13 = icmp slt i32 %12, 0
  br i1 %13, label %17, label %14

14:                                               ; preds = %5
  %15 = load i32, ptr %8, align 4, !tbaa !5
  %16 = icmp slt i32 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %14, %5
  store i32 0, ptr %6, align 4
  br label %37

18:                                               ; preds = %14
  %19 = load i32, ptr %7, align 4, !tbaa !5
  %20 = load i32, ptr %10, align 4, !tbaa !5
  %21 = icmp sge i32 %19, %20
  br i1 %21, label %26, label %22

22:                                               ; preds = %18
  %23 = load i32, ptr %8, align 4, !tbaa !5
  %24 = load i32, ptr %11, align 4, !tbaa !5
  %25 = icmp sge i32 %23, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %22, %18
  store i32 0, ptr %6, align 4
  br label %37

27:                                               ; preds = %22
  %28 = load ptr, ptr %9, align 8, !tbaa !9
  %29 = load i32, ptr %10, align 4, !tbaa !5
  %30 = load i32, ptr %8, align 4, !tbaa !5
  %31 = mul nsw i32 %29, %30
  %32 = load i32, ptr %7, align 4, !tbaa !5
  %33 = add nsw i32 %31, %32
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds i32, ptr %28, i64 %34
  %36 = load i32, ptr %35, align 4, !tbaa !5
  store i32 %36, ptr %6, align 4
  br label %37

37:                                               ; preds = %27, %26, %17
  %38 = load i32, ptr %6, align 4
  ret i32 %38
}

attributes #0 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local i32 @getPixel(i32 noundef %0, i32 noundef %1, ptr nocapture noundef readonly %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %6 = or i32 %1, %0
  %or.cond.not = icmp sgt i32 %6, -1
  br i1 %or.cond.not, label %7, label %14

7:                                                ; preds = %5
  %.not = icmp slt i32 %0, %3
  %.not14 = icmp slt i32 %1, %4
  %or.cond = and i1 %.not, %.not14
  br i1 %or.cond, label %8, label %14

8:                                                ; preds = %7
  %9 = mul nsw i32 %3, %1
  %10 = add nuw nsw i32 %9, %0
  %11 = zext nneg i32 %10 to i64
  %12 = getelementptr inbounds i32, ptr %2, i64 %11
  %13 = load i32, ptr %12, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %7, %5, %8
  %.0 = phi i32 [ %13, %8 ], [ 0, %5 ], [ 0, %7 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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++ TBAA"}


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