; LLVM IR from mackorone/mms :: old/v2/src/sim/Layout.ll (ZN3sim6Layout14getFullMapSizeEiiiiNS_10LayoutTypeE)

; 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.std::pair.23" = type { i32, i32 }

; 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: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZN3sim6Layout14getFullMapSizeEiiiiNS_10LayoutTypeE(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) #1 align 2 {
  %6 = alloca %"struct.std::pair.23", align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store i32 %0, ptr %7, align 4, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !5
  store i32 %3, ptr %10, align 4, !tbaa !5
  store i32 %4, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  %14 = load i32, ptr %7, align 4, !tbaa !5
  %15 = load i32, ptr %10, align 4, !tbaa !5
  %16 = mul nsw i32 2, %15
  %17 = sub nsw i32 %14, %16
  store i32 %17, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  %18 = load i32, ptr %8, align 4, !tbaa !5
  %19 = load i32, ptr %10, align 4, !tbaa !5
  %20 = mul nsw i32 2, %19
  %21 = sub nsw i32 %18, %20
  %22 = load i32, ptr %9, align 4, !tbaa !5
  %23 = sub nsw i32 %21, %22
  store i32 %23, ptr %13, align 4, !tbaa !5
  %24 = load i32, ptr %11, align 4, !tbaa !9
  %25 = icmp eq i32 %24, 1
  br i1 %25, label %26, label %27

26:                                               ; preds = %5
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %36

27:                                               ; preds = %5
  %28 = load i32, ptr %11, align 4, !tbaa !9
  %29 = icmp eq i32 %28, 2
  br i1 %29, label %30, label %35

30:                                               ; preds = %27
  %31 = load i32, ptr %12, align 4, !tbaa !5
  %32 = load i32, ptr %10, align 4, !tbaa !5
  %33 = sub nsw i32 %31, %32
  %34 = sdiv i32 %33, 2
  store i32 %34, ptr %12, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %30, %27
  br label %36

36:                                               ; preds = %35, %26
  %37 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
  store i64 %37, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  %38 = load i64, ptr %6, align 4
  ret i64 %38
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"_ZTSN3sim10LayoutTypeE", !7, i64 0}


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

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZN3sim6Layout14getFullMapSizeEiiiiNS_10LayoutTypeE(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #1 align 2 {
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #2
  %8 = shl nsw i32 %3, 1
  %9 = sub nsw i32 %0, %8
  store i32 %9, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #2
  %10 = add i32 %8, %2
  %11 = sub i32 %1, %10
  store i32 %11, ptr %7, align 4, !tbaa !5
  switch i32 %4, label %16 [
    i32 1, label %12
    i32 2, label %13
  ]

12:                                               ; preds = %5
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %16

13:                                               ; preds = %5
  %14 = sub nsw i32 %9, %3
  %15 = sdiv i32 %14, 2
  store i32 %15, ptr %6, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %5, %13, %12
  %17 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #2
  ret i64 %17
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass