; LLVM IR from indjev99/Evolving-Snakes :: sources/draw.ll (Z8drawGriddddd)

; 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: 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: mustprogress uwtable
declare dso_local void @_Z14drawGridSquareiidddd(i32 noundef, i32 noundef, double noundef, double noundef, double noundef, double noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8drawGriddddd(double noundef %0, double noundef %1, double noundef %2, double noundef %3) #1 {
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store double %0, ptr %5, align 8, !tbaa !5
  store double %1, ptr %6, align 8, !tbaa !5
  store double %2, ptr %7, align 8, !tbaa !5
  store double %3, ptr %8, align 8, !tbaa !5
  call void @glBegin(i32 noundef 7)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 -70, ptr %9, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %32, %4
  %13 = load i32, ptr %9, align 4, !tbaa !9
  %14 = icmp slt i32 %13, 70
  br i1 %14, label %16, label %15

15:                                               ; preds = %12
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %35

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 -70, ptr %11, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %28, %16
  %18 = load i32, ptr %11, align 4, !tbaa !9
  %19 = icmp slt i32 %18, 70
  br i1 %19, label %21, label %20

20:                                               ; preds = %17
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %31

21:                                               ; preds = %17
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = load i32, ptr %11, align 4, !tbaa !9
  %24 = load double, ptr %5, align 8, !tbaa !5
  %25 = load double, ptr %6, align 8, !tbaa !5
  %26 = load double, ptr %7, align 8, !tbaa !5
  %27 = load double, ptr %8, align 8, !tbaa !5
  call void @_Z14drawGridSquareiidddd(i32 noundef %22, i32 noundef %23, double noundef %24, double noundef %25, double noundef %26, double noundef %27)
  br label %28

28:                                               ; preds = %21
  %29 = load i32, ptr %11, align 4, !tbaa !9
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %11, align 4, !tbaa !9
  br label %17, !llvm.loop !11

31:                                               ; preds = %20
  br label %32

32:                                               ; preds = %31
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %9, align 4, !tbaa !9
  br label %12, !llvm.loop !13

35:                                               ; preds = %15
  call void @glEnd()
  ret void
}

declare void @glBegin(i32 noundef) #2

declare void @glEnd() #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { "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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple 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"

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z14drawGridSquareiidddd(i32 noundef, i32 noundef, double noundef, double noundef, double noundef, double noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8drawGriddddd(double noundef %0, double noundef %1, double noundef %2, double noundef %3) local_unnamed_addr #0 {
  tail call void @glBegin(i32 noundef 7)
  br label %.preheader

.preheader:                                       ; preds = %4, %6
  %.0911 = phi i32 [ -70, %4 ], [ %7, %6 ]
  br label %8

5:                                                ; preds = %6
  tail call void @glEnd()
  ret void

6:                                                ; preds = %8
  %7 = add nsw i32 %.0911, 1
  %exitcond12.not = icmp eq i32 %7, 70
  br i1 %exitcond12.not, label %5, label %.preheader, !llvm.loop !5

8:                                                ; preds = %.preheader, %8
  %.010 = phi i32 [ -70, %.preheader ], [ %9, %8 ]
  tail call void @_Z14drawGridSquareiidddd(i32 noundef %.0911, i32 noundef %.010, double noundef %0, double noundef %1, double noundef %2, double noundef %3)
  %9 = add nsw i32 %.010, 1
  %exitcond.not = icmp eq i32 %9, 70
  br i1 %exitcond.not, label %6, label %8, !llvm.loop !7
}

declare void @glBegin(i32 noundef) local_unnamed_addr #1

declare void @glEnd() local_unnamed_addr #1

attributes #0 = { mustprogress 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" }

!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: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass