; LLVM IR from huawei-noah/bolt :: inference/engine/src/bolt_dllite.ll (Z20LayoutMapBolt2DLLite10DataFormat)

; 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"

@.str = external hidden unnamed_addr constant [20 x i8], align 1
@stdout = external global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [44 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

; Function Attrs: nounwind
declare i64 @syscall(i64 noundef, ...) #1

declare i32 @printf(ptr noundef, ...) #2

declare i32 @fflush(ptr noundef) #2

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #3

; 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
define dso_local noundef i32 @_Z20LayoutMapBolt2DLLite10DataFormat(i32 noundef %0) #4 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !9
  %5 = load i32, ptr %2, align 4, !tbaa !5
  switch i32 %5, label %11 [
    i32 0, label %6
    i32 24, label %7
    i32 2, label %8
    i32 15, label %9
    i32 14, label %10
  ]

6:                                                ; preds = %1
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %21

7:                                                ; preds = %1
  store i32 1, ptr %3, align 4, !tbaa !9
  br label %21

8:                                                ; preds = %1
  store i32 2, ptr %3, align 4, !tbaa !9
  br label %21

9:                                                ; preds = %1
  store i32 4, ptr %3, align 4, !tbaa !9
  br label %21

10:                                               ; preds = %1
  store i32 3, ptr %3, align 4, !tbaa !9
  br label %21

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %12 = call i64 (i64, ...) @syscall(i64 noundef 186) #5
  %13 = trunc i64 %12 to i32
  store i32 %13, ptr %4, align 4, !tbaa !11
  %14 = load i32, ptr %4, align 4, !tbaa !11
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %14)
  %16 = load ptr, ptr @stdout, align 8, !tbaa !13
  %17 = call i32 @fflush(ptr noundef %16)
  %18 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  %19 = load ptr, ptr @stdout, align 8, !tbaa !13
  %20 = call i32 @fflush(ptr noundef %19)
  call void @exit(i32 noundef 1) #6
  unreachable

21:                                               ; preds = %10, %9, %8, %7, %6
  %22 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  ret i32 %22
}

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 = { "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 = { noreturn 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { noreturn 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 = !{!"_ZTS10DataFormat", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"_ZTSN4bolt12TensorLayoutE", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !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"

@.str = external hidden unnamed_addr constant [20 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [44 x i8], align 1

; Function Attrs: nounwind
declare i64 @syscall(i64 noundef, ...) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fflush(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 0, 5) i32 @_Z20LayoutMapBolt2DLLite10DataFormat(i32 noundef %0) local_unnamed_addr #3 {
  switch i32 %0, label %5 [
    i32 0, label %14
    i32 24, label %2
    i32 2, label %14
    i32 15, label %3
    i32 14, label %4
  ]

2:                                                ; preds = %1
  br label %14

3:                                                ; preds = %1
  br label %14

4:                                                ; preds = %1
  br label %14

5:                                                ; preds = %1
  %6 = tail call i64 (i64, ...) @syscall(i64 noundef 186) #4
  %7 = trunc i64 %6 to i32
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %7)
  %9 = load ptr, ptr @stdout, align 8, !tbaa !5
  %10 = tail call i32 @fflush(ptr noundef %9)
  %11 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  %12 = load ptr, ptr @stdout, align 8, !tbaa !5
  %13 = tail call i32 @fflush(ptr noundef %12)
  tail call void @exit(i32 noundef 1) #5
  unreachable

14:                                               ; preds = %1, %1, %4, %3, %2
  %.0 = phi i32 [ 3, %4 ], [ 4, %3 ], [ 1, %2 ], [ %0, %1 ], [ %0, %1 ]
  ret i32 %.0
}

attributes #0 = { 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 #1 = { nofree 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 = { noreturn 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 = { mustprogress 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 #4 = { nounwind }
attributes #5 = { noreturn 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++ TBAA"}


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