; LLVM IR from zhenrong-wang/co2 :: co2_property_calc (lmd0)

; 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"

@lk = external dso_local constant [4 x double], align 16

; 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: nounwind
declare double @pow(double noundef, double noundef) #1

; Function Attrs: nounwind
declare double @sqrt(double noundef) #1

; Function Attrs: nounwind uwtable
define dso_local double @lmd0(double noundef %0) #2 {
  %2 = alloca double, align 8
  %3 = alloca double, align 8
  %4 = alloca i32, align 4
  store double %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store double 0.000000e+00, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %21, %1
  %6 = load i32, ptr %4, align 4, !tbaa !9
  %7 = icmp slt i32 %6, 4
  br i1 %7, label %8, label %24

8:                                                ; preds = %5
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds [4 x double], ptr @lk, i64 0, i64 %10
  %12 = load double, ptr %11, align 8, !tbaa !5
  %13 = load double, ptr %2, align 8, !tbaa !5
  %14 = fdiv double %13, 0x4073020D1B71758E
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = sitofp i32 %15 to double
  %17 = call double @pow(double noundef %14, double noundef %16) #3
  %18 = fdiv double %12, %17
  %19 = load double, ptr %3, align 8, !tbaa !5
  %20 = fadd double %19, %18
  store double %20, ptr %3, align 8, !tbaa !5
  br label %21

21:                                               ; preds = %8
  %22 = load i32, ptr %4, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %4, align 4, !tbaa !9
  br label %5, !llvm.loop !11

24:                                               ; preds = %5
  %25 = load double, ptr %2, align 8, !tbaa !5
  %26 = fdiv double %25, 0x4073020D1B71758E
  %27 = call double @sqrt(double noundef %26) #3
  %28 = load double, ptr %3, align 8, !tbaa !5
  %29 = fdiv double %27, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret double %29
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }
attributes #2 = { 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 #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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@lk = external dso_local local_unnamed_addr constant [4 x double], align 16

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @pow(double noundef, double noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @sqrt(double noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write) uwtable
define dso_local double @lmd0(double noundef %0) local_unnamed_addr #1 {
  %2 = fdiv double %0, 0x4073020D1B71758E
  %3 = load double, ptr @lk, align 16, !tbaa !5
  %4 = fadd double %3, 0.000000e+00
  %5 = load double, ptr getelementptr inbounds (i8, ptr @lk, i64 8), align 8, !tbaa !5
  %6 = fdiv double %5, %2
  %7 = fadd double %4, %6
  %square = fmul double %2, %2
  %8 = tail call double @pow(double noundef %2, double noundef 3.000000e+00) #2
  %9 = load <2 x double>, ptr getelementptr inbounds (i8, ptr @lk, i64 16), align 16, !tbaa !5
  %10 = insertelement <2 x double> poison, double %square, i64 0
  %11 = insertelement <2 x double> %10, double %8, i64 1
  %12 = fdiv <2 x double> %9, %11
  %13 = extractelement <2 x double> %12, i64 0
  %14 = fadd double %7, %13
  %15 = extractelement <2 x double> %12, i64 1
  %16 = fadd double %14, %15
  %17 = tail call double @sqrt(double noundef %2) #2
  %18 = fdiv double %17, %16
  ret double %18
}

attributes #0 = { mustprogress nofree nounwind willreturn memory(write) "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 = { mustprogress nofree nounwind willreturn memory(write) 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 = { 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/C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass