; LLVM IR from sourceryinstitute/MORFEUS-Source :: src/FV/src/mesh_optimize/OptMS (SMintrinsic)

; 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"

%struct.DERIV_TYPE = type { double, [3 x double] }

; 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 uwtable
define dso_local void @g_ad_exp(ptr noundef %0, ptr noundef byval(%struct.DERIV_TYPE) align 8 %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %9 = getelementptr inbounds %struct.DERIV_TYPE, ptr %1, i32 0, i32 0
  %10 = load double, ptr %9, align 8, !tbaa !9
  store double %10, ptr %4, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %11 = load double, ptr %4, align 8, !tbaa !12
  %12 = call double @exp(double noundef %11) #3
  store double %12, ptr %5, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %13 = load double, ptr %5, align 8, !tbaa !12
  store double %13, ptr %6, align 8, !tbaa !12
  %14 = load double, ptr %5, align 8, !tbaa !12
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.DERIV_TYPE, ptr %15, i32 0, i32 0
  store double %14, ptr %16, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %17 = load double, ptr %6, align 8, !tbaa !12
  store double %17, ptr %7, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !13
  br label %18

18:                                               ; preds = %34, %2
  %19 = load i32, ptr %8, align 4, !tbaa !13
  %20 = icmp slt i32 %19, 3
  br i1 %20, label %21, label %37

21:                                               ; preds = %18
  %22 = load double, ptr %7, align 8, !tbaa !12
  %23 = getelementptr inbounds %struct.DERIV_TYPE, ptr %1, i32 0, i32 1
  %24 = load i32, ptr %8, align 4, !tbaa !13
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [3 x double], ptr %23, i64 0, i64 %25
  %27 = load double, ptr %26, align 8, !tbaa !12
  %28 = fmul double %22, %27
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.DERIV_TYPE, ptr %29, i32 0, i32 1
  %31 = load i32, ptr %8, align 4, !tbaa !13
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [3 x double], ptr %30, i64 0, i64 %32
  store double %28, ptr %33, align 8, !tbaa !12
  br label %34

34:                                               ; preds = %21
  %35 = load i32, ptr %8, align 4, !tbaa !13
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %8, align 4, !tbaa !13
  br label %18, !llvm.loop !15

37:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  ret void
}

; Function Attrs: nounwind
declare double @exp(double noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"DERIV_TYPE", !11, i64 0, !7, i64 8}
!11 = !{!"double", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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"

%struct.DERIV_TYPE = type { double, [3 x double] }

; Function Attrs: mustprogress nofree nounwind willreturn memory(write, argmem: readwrite) uwtable
define dso_local void @g_ad_exp(ptr nocapture noundef writeonly %0, ptr nocapture noundef readonly byval(%struct.DERIV_TYPE) align 8 %1) local_unnamed_addr #0 {
  %3 = load double, ptr %1, align 8, !tbaa !5
  %4 = tail call double @exp(double noundef %3) #2
  store double %4, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load <2 x double>, ptr %5, align 8, !tbaa !10
  %8 = insertelement <2 x double> poison, double %4, i64 0
  %9 = shufflevector <2 x double> %8, <2 x double> poison, <2 x i32> zeroinitializer
  %10 = fmul <2 x double> %9, %7
  store <2 x double> %10, ptr %6, align 8, !tbaa !10
  %11 = getelementptr inbounds i8, ptr %1, i64 24
  %12 = load double, ptr %11, align 8, !tbaa !10
  %13 = fmul double %4, %12
  %14 = getelementptr inbounds i8, ptr %0, i64 24
  store double %13, ptr %14, align 8, !tbaa !10
  ret void
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @exp(double noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn memory(write, 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" }
attributes #1 = { 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 #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, !7, i64 0}
!6 = !{!"DERIV_TYPE", !7, i64 0, !8, i64 8}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!7, !7, i64 0}


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