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

; 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.__SMlap_info = type { double, ptr, double, i32, i32 }

@.str.1 = external hidden unnamed_addr constant [106 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @SMerror(i32 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef, i32 noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @SMinitLap(i32 noundef %0, ptr noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %9 = load ptr, ptr %5, align 8, !tbaa !9
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %13

11:                                               ; preds = %2
  %12 = call i32 @SMerror(i32 noundef 303, ptr noundef @.str.22, ptr noundef @.str.1, ptr noundef @.str.2, i32 noundef 56, i32 noundef 0, ptr noundef null)
  store i32 %12, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %37

13:                                               ; preds = %2
  %14 = load ptr, ptr %5, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.__SMlap_info, ptr %14, i32 0, i32 0
  store double 0.000000e+00, ptr %15, align 8, !tbaa !11
  %16 = load ptr, ptr %5, align 8, !tbaa !9
  %17 = getelementptr inbounds %struct.__SMlap_info, ptr %16, i32 0, i32 2
  store double 0.000000e+00, ptr %17, align 8, !tbaa !14
  %18 = load ptr, ptr %5, align 8, !tbaa !9
  %19 = getelementptr inbounds %struct.__SMlap_info, ptr %18, i32 0, i32 3
  store i32 0, ptr %19, align 8, !tbaa !15
  %20 = load ptr, ptr %5, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.__SMlap_info, ptr %20, i32 0, i32 4
  store i32 0, ptr %21, align 4, !tbaa !16
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %33, %13
  %23 = load i32, ptr %6, align 4, !tbaa !5
  %24 = load i32, ptr %4, align 4, !tbaa !5
  %25 = icmp slt i32 %23, %24
  br i1 %25, label %26, label %36

26:                                               ; preds = %22
  %27 = load ptr, ptr %5, align 8, !tbaa !9
  %28 = getelementptr inbounds %struct.__SMlap_info, ptr %27, i32 0, i32 1
  %29 = load ptr, ptr %28, align 8, !tbaa !17
  %30 = load i32, ptr %6, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds double, ptr %29, i64 %31
  store double 0.000000e+00, ptr %32, align 8, !tbaa !18
  br label %33

33:                                               ; preds = %26
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %6, align 4, !tbaa !5
  br label %22, !llvm.loop !19

36:                                               ; preds = %22
  store i32 0, ptr %7, align 4, !tbaa !5
  store i32 0, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %37

37:                                               ; preds = %36, %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %38 = load i32, ptr %3, align 4
  ret i32 %38
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"__SMlap_info", !13, i64 0, !10, i64 8, !13, i64 16, !6, i64 24, !6, i64 28}
!13 = !{!"double", !7, i64 0}
!14 = !{!12, !13, i64 16}
!15 = !{!12, !6, i64 24}
!16 = !{!12, !6, i64 28}
!17 = !{!12, !10, i64 8}
!18 = !{!13, !13, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"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"

@.str.1 = external hidden unnamed_addr constant [106 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [10 x i8], align 1

declare i32 @SMerror(i32 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @SMinitLap(i32 noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = icmp eq ptr %1, null
  br i1 %3, label %4, label %6

4:                                                ; preds = %2
  %5 = tail call i32 @SMerror(i32 noundef 303, ptr noundef nonnull @.str.22, ptr noundef nonnull @.str.1, ptr noundef nonnull @.str.2, i32 noundef 56, i32 noundef 0, ptr noundef null) #3
  br label %.loopexit

6:                                                ; preds = %2
  store double 0.000000e+00, ptr %1, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %1, i64 16
  %8 = icmp sgt i32 %0, 0
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %7, i8 0, i64 16, i1 false)
  br i1 %8, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %6
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  %11 = zext nneg i32 %0 to i64
  %12 = shl nuw nsw i64 %11, 3
  tail call void @llvm.memset.p0.i64(ptr align 8 %10, i8 0, i64 %12, i1 false), !tbaa !13
  br label %.loopexit

.loopexit:                                        ; preds = %.lr.ph, %6, %4
  %.0 = phi i32 [ %5, %4 ], [ 0, %6 ], [ 0, %.lr.ph ]
  ret i32 %.0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !7, i64 0}
!6 = !{!"__SMlap_info", !7, i64 0, !10, i64 8, !7, i64 16, !11, i64 24, !11, i64 28}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !10, i64 8}
!13 = !{!7, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,LoopSimplifyPass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass