; LLVM IR from zhenrong-wang/co2 :: co2_property_calc (swap_line)

; 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
define dso_local void @swap_line(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca double, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds double, ptr %11, i64 %13
  %15 = load double, ptr %14, align 8, !tbaa !11
  store double %15, ptr %9, align 8, !tbaa !11
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = load i32, ptr %8, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds double, ptr %16, i64 %18
  %20 = load double, ptr %19, align 8, !tbaa !11
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds double, ptr %21, i64 %23
  store double %20, ptr %24, align 8, !tbaa !11
  %25 = load double, ptr %9, align 8, !tbaa !11
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds double, ptr %26, i64 %28
  store double %25, ptr %29, align 8, !tbaa !11
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %65, %4
  %31 = load i32, ptr %10, align 4, !tbaa !9
  %32 = icmp slt i32 %31, 3
  br i1 %32, label %33, label %68

33:                                               ; preds = %30
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = load i32, ptr %7, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [3 x double], ptr %34, i64 %36
  %38 = load i32, ptr %10, align 4, !tbaa !9
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [3 x double], ptr %37, i64 0, i64 %39
  %41 = load double, ptr %40, align 8, !tbaa !11
  store double %41, ptr %9, align 8, !tbaa !11
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  %43 = load i32, ptr %8, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [3 x double], ptr %42, i64 %44
  %46 = load i32, ptr %10, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [3 x double], ptr %45, i64 0, i64 %47
  %49 = load double, ptr %48, align 8, !tbaa !11
  %50 = load ptr, ptr %5, align 8, !tbaa !5
  %51 = load i32, ptr %7, align 4, !tbaa !9
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [3 x double], ptr %50, i64 %52
  %54 = load i32, ptr %10, align 4, !tbaa !9
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [3 x double], ptr %53, i64 0, i64 %55
  store double %49, ptr %56, align 8, !tbaa !11
  %57 = load double, ptr %9, align 8, !tbaa !11
  %58 = load ptr, ptr %5, align 8, !tbaa !5
  %59 = load i32, ptr %8, align 4, !tbaa !9
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [3 x double], ptr %58, i64 %60
  %62 = load i32, ptr %10, align 4, !tbaa !9
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [3 x double], ptr %61, i64 0, i64 %63
  store double %57, ptr %64, align 8, !tbaa !11
  br label %65

65:                                               ; preds = %33
  %66 = load i32, ptr %10, align 4, !tbaa !9
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %10, align 4, !tbaa !9
  br label %30, !llvm.loop !13

68:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  ret void
}

; 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

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 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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: readwrite) uwtable
define dso_local void @swap_line(ptr nocapture noundef %0, ptr nocapture noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = sext i32 %2 to i64
  %6 = getelementptr inbounds double, ptr %1, i64 %5
  %7 = load double, ptr %6, align 8, !tbaa !5
  %8 = sext i32 %3 to i64
  %9 = getelementptr inbounds double, ptr %1, i64 %8
  %10 = load double, ptr %9, align 8, !tbaa !5
  store double %10, ptr %6, align 8, !tbaa !5
  store double %7, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds [3 x double], ptr %0, i64 %5, i64 0
  %12 = getelementptr inbounds [3 x double], ptr %0, i64 %8, i64 0
  %13 = load <2 x double>, ptr %11, align 8, !tbaa !5
  %14 = load <2 x double>, ptr %12, align 8, !tbaa !5
  store <2 x double> %14, ptr %11, align 8, !tbaa !5
  store <2 x double> %13, ptr %12, align 8, !tbaa !5
  %15 = getelementptr inbounds [3 x double], ptr %0, i64 %5, i64 2
  %16 = load double, ptr %15, align 8, !tbaa !5
  %17 = getelementptr inbounds [3 x double], ptr %0, i64 %8, i64 2
  %18 = load double, ptr %17, align 8, !tbaa !5
  store double %18, ptr %15, align 8, !tbaa !5
  store double %16, ptr %17, align 8, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass