; LLVM IR from OpenMathLib/OpenBLAS :: cpuid_loongarch64 (get_coretype)

; 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"

; Function Attrs: nounwind uwtable
define dso_local i32 @get_coretype() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #2
  %4 = call i32 @get_prid()
  store i32 %4, ptr %2, align 4, !tbaa !5
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = and i32 %5, 61440
  switch i32 %6, label %21 [
    i32 49152, label %7
    i32 53248, label %7
    i32 40960, label %16
    i32 45056, label %16
  ]

7:                                                ; preds = %0, %0
  %8 = call i32 @os_support_lasx()
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %10, label %11

10:                                               ; preds = %7
  store i32 2, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %22

11:                                               ; preds = %7
  %12 = call i32 @os_support_lsx()
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  store i32 1, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %22

15:                                               ; preds = %11
  store i32 0, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %22

16:                                               ; preds = %0, %0
  %17 = call i32 @os_support_lsx()
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %16
  store i32 1, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %22

20:                                               ; preds = %16
  store i32 0, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %22

21:                                               ; preds = %0
  store i32 0, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %22

22:                                               ; preds = %21, %20, %19, %15, %14, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #2
  %23 = load i32, ptr %1, align 4
  ret i32 %23
}

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

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

; Function Attrs: nounwind uwtable
declare hidden i32 @get_prid() #0

; Function Attrs: nounwind uwtable
declare hidden i32 @os_support_lasx() #0

; Function Attrs: nounwind uwtable
declare hidden i32 @os_support_lsx() #0

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 }

!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"}


; 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: nounwind uwtable
define dso_local range(i32 0, 3) i32 @get_coretype() local_unnamed_addr #0 {
  %1 = tail call i32 @get_prid()
  %2 = and i32 %1, 61440
  %3 = add nsw i32 %2, -40960
  %4 = lshr exact i32 %3, 12
  switch i32 %4, label %8 [
    i32 2, label %5
    i32 3, label %5
    i32 0, label %.sink.split
    i32 1, label %.sink.split
  ]

5:                                                ; preds = %0, %0
  %6 = tail call i32 @os_support_lasx()
  %.not2 = icmp eq i32 %6, 0
  br i1 %.not2, label %.sink.split, label %8

.sink.split:                                      ; preds = %0, %0, %5
  %7 = tail call i32 @os_support_lsx()
  %.not = icmp ne i32 %7, 0
  %.4 = zext i1 %.not to i32
  br label %8

8:                                                ; preds = %.sink.split, %0, %5
  %.0 = phi i32 [ 2, %5 ], [ 0, %0 ], [ %.4, %.sink.split ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare hidden i32 @get_prid() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @os_support_lasx() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @os_support_lsx() local_unnamed_addr #0

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" }

!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)"}


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