; LLVM IR from introlab/odas :: src/general (mic)

; 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.mics_obj = type { i32, i32, ptr, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local ptr @mics_construct_zero(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %4 = call noalias ptr @malloc(i64 noundef 48) #5
  store ptr %4, ptr %3, align 8, !tbaa !9
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = load ptr, ptr %3, align 8, !tbaa !9
  %7 = getelementptr inbounds %struct.mics_obj, ptr %6, i32 0, i32 0
  store i32 %5, ptr %7, align 8, !tbaa !11
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = sub i32 %9, 1
  %11 = mul i32 %8, %10
  %12 = udiv i32 %11, 2
  %13 = load ptr, ptr %3, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.mics_obj, ptr %13, i32 0, i32 1
  store i32 %12, ptr %14, align 4, !tbaa !13
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = zext i32 %15 to i64
  %17 = mul i64 4, %16
  %18 = mul i64 %17, 3
  %19 = call noalias ptr @malloc(i64 noundef %18) #5
  %20 = load ptr, ptr %3, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.mics_obj, ptr %20, i32 0, i32 2
  store ptr %19, ptr %21, align 8, !tbaa !14
  %22 = load ptr, ptr %3, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.mics_obj, ptr %22, i32 0, i32 2
  %24 = load ptr, ptr %23, align 8, !tbaa !14
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = zext i32 %25 to i64
  %27 = mul i64 4, %26
  %28 = mul i64 %27, 3
  call void @llvm.memset.p0.i64(ptr align 4 %24, i8 0, i64 %28, i1 false)
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = zext i32 %29 to i64
  %31 = mul i64 4, %30
  %32 = mul i64 %31, 9
  %33 = call noalias ptr @malloc(i64 noundef %32) #5
  %34 = load ptr, ptr %3, align 8, !tbaa !9
  %35 = getelementptr inbounds %struct.mics_obj, ptr %34, i32 0, i32 3
  store ptr %33, ptr %35, align 8, !tbaa !15
  %36 = load ptr, ptr %3, align 8, !tbaa !9
  %37 = getelementptr inbounds %struct.mics_obj, ptr %36, i32 0, i32 3
  %38 = load ptr, ptr %37, align 8, !tbaa !15
  %39 = load i32, ptr %2, align 4, !tbaa !5
  %40 = zext i32 %39 to i64
  %41 = mul i64 4, %40
  %42 = mul i64 %41, 9
  call void @llvm.memset.p0.i64(ptr align 4 %38, i8 0, i64 %42, i1 false)
  %43 = load i32, ptr %2, align 4, !tbaa !5
  %44 = zext i32 %43 to i64
  %45 = mul i64 4, %44
  %46 = mul i64 %45, 3
  %47 = call noalias ptr @malloc(i64 noundef %46) #5
  %48 = load ptr, ptr %3, align 8, !tbaa !9
  %49 = getelementptr inbounds %struct.mics_obj, ptr %48, i32 0, i32 4
  store ptr %47, ptr %49, align 8, !tbaa !16
  %50 = load ptr, ptr %3, align 8, !tbaa !9
  %51 = getelementptr inbounds %struct.mics_obj, ptr %50, i32 0, i32 4
  %52 = load ptr, ptr %51, align 8, !tbaa !16
  %53 = load i32, ptr %2, align 4, !tbaa !5
  %54 = zext i32 %53 to i64
  %55 = mul i64 4, %54
  %56 = mul i64 %55, 3
  call void @llvm.memset.p0.i64(ptr align 4 %52, i8 0, i64 %56, i1 false)
  %57 = load i32, ptr %2, align 4, !tbaa !5
  %58 = zext i32 %57 to i64
  %59 = mul i64 4, %58
  %60 = call noalias ptr @malloc(i64 noundef %59) #5
  %61 = load ptr, ptr %3, align 8, !tbaa !9
  %62 = getelementptr inbounds %struct.mics_obj, ptr %61, i32 0, i32 5
  store ptr %60, ptr %62, align 8, !tbaa !17
  %63 = load ptr, ptr %3, align 8, !tbaa !9
  %64 = getelementptr inbounds %struct.mics_obj, ptr %63, i32 0, i32 5
  %65 = load ptr, ptr %64, align 8, !tbaa !17
  %66 = load i32, ptr %2, align 4, !tbaa !5
  %67 = zext i32 %66 to i64
  %68 = mul i64 4, %67
  call void @llvm.memset.p0.i64(ptr align 4 %65, i8 0, i64 %68, i1 false)
  %69 = load i32, ptr %2, align 4, !tbaa !5
  %70 = zext i32 %69 to i64
  %71 = mul i64 4, %70
  %72 = call noalias ptr @malloc(i64 noundef %71) #5
  %73 = load ptr, ptr %3, align 8, !tbaa !9
  %74 = getelementptr inbounds %struct.mics_obj, ptr %73, i32 0, i32 6
  store ptr %72, ptr %74, align 8, !tbaa !18
  %75 = load ptr, ptr %3, align 8, !tbaa !9
  %76 = getelementptr inbounds %struct.mics_obj, ptr %75, i32 0, i32 6
  %77 = load ptr, ptr %76, align 8, !tbaa !18
  %78 = load i32, ptr %2, align 4, !tbaa !5
  %79 = zext i32 %78 to i64
  %80 = mul i64 4, %79
  call void @llvm.memset.p0.i64(ptr align 4 %77, i8 0, i64 %80, i1 false)
  %81 = load ptr, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret ptr %81
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; 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 allocsize(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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nounwind }
attributes #5 = { nounwind allocsize(0) }

!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, !6, i64 0}
!12 = !{!"mics_obj", !6, i64 0, !6, i64 4, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40}
!13 = !{!12, !6, i64 4}
!14 = !{!12, !10, i64 8}
!15 = !{!12, !10, i64 16}
!16 = !{!12, !10, i64 24}
!17 = !{!12, !10, i64 32}
!18 = !{!12, !10, i64 40}


; 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 nounwind willreturn memory(write, argmem: none, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @mics_construct_zero(i32 noundef %0) local_unnamed_addr #0 {
  %2 = tail call noalias dereferenceable_or_null(48) ptr @malloc(i64 noundef 48) #3
  store i32 %0, ptr %2, align 8, !tbaa !5
  %3 = add i32 %0, -1
  %4 = mul i32 %3, %0
  %5 = lshr i32 %4, 1
  %6 = getelementptr inbounds i8, ptr %2, i64 4
  store i32 %5, ptr %6, align 4, !tbaa !11
  %7 = zext i32 %0 to i64
  %8 = shl nuw nsw i64 %7, 2
  %9 = mul nuw nsw i64 %7, 12
  %calloc = tail call ptr @calloc(i64 1, i64 %9)
  %10 = getelementptr inbounds i8, ptr %2, i64 8
  store ptr %calloc, ptr %10, align 8, !tbaa !12
  %11 = mul nuw nsw i64 %7, 36
  %calloc25 = tail call ptr @calloc(i64 1, i64 %11)
  %12 = getelementptr inbounds i8, ptr %2, i64 16
  store ptr %calloc25, ptr %12, align 8, !tbaa !13
  %calloc26 = tail call ptr @calloc(i64 1, i64 %9)
  %13 = getelementptr inbounds i8, ptr %2, i64 24
  store ptr %calloc26, ptr %13, align 8, !tbaa !14
  %calloc27 = tail call ptr @calloc(i64 1, i64 %8)
  %14 = getelementptr inbounds i8, ptr %2, i64 32
  store ptr %calloc27, ptr %14, align 8, !tbaa !15
  %calloc28 = tail call ptr @calloc(i64 1, i64 %8)
  %15 = getelementptr inbounds i8, ptr %2, i64 40
  store ptr %calloc28, ptr %15, align 8, !tbaa !16
  ret ptr %2
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nofree nounwind willreturn memory(write, argmem: none, inaccessiblemem: 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 allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" }
attributes #3 = { nounwind allocsize(0) }

!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 = !{!"mics_obj", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!6, !10, i64 8}
!13 = !{!6, !10, i64 16}
!14 = !{!6, !10, i64 24}
!15 = !{!6, !10, i64 32}
!16 = !{!6, !10, i64 40}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass