; LLVM IR from libxsmm/libxsmm :: src (libxsmm_matrixeqn)

; 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: 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: nounwind uwtable
define dso_local i32 @libxsmm_meqn_is_unary_opcode_transform_kernel(i32 noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !5
  %4 = load i32, ptr %2, align 4, !tbaa !5
  %5 = icmp eq i32 %4, 28
  br i1 %5, label %60, label %6

6:                                                ; preds = %1
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = icmp eq i32 %7, 29
  br i1 %8, label %60, label %9

9:                                                ; preds = %6
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = icmp eq i32 %10, 30
  br i1 %11, label %60, label %12

12:                                               ; preds = %9
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp eq i32 %13, 31
  br i1 %14, label %60, label %15

15:                                               ; preds = %12
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = icmp eq i32 %16, 32
  br i1 %17, label %60, label %18

18:                                               ; preds = %15
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = icmp eq i32 %19, 54
  br i1 %20, label %60, label %21

21:                                               ; preds = %18
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = icmp eq i32 %22, 56
  br i1 %23, label %60, label %24

24:                                               ; preds = %21
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = icmp eq i32 %25, 61
  br i1 %26, label %60, label %27

27:                                               ; preds = %24
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = icmp eq i32 %28, 62
  br i1 %29, label %60, label %30

30:                                               ; preds = %27
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = icmp eq i32 %31, 55
  br i1 %32, label %60, label %33

33:                                               ; preds = %30
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = icmp eq i32 %34, 66
  br i1 %35, label %60, label %36

36:                                               ; preds = %33
  %37 = load i32, ptr %2, align 4, !tbaa !5
  %38 = icmp eq i32 %37, 67
  br i1 %38, label %60, label %39

39:                                               ; preds = %36
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %41 = icmp eq i32 %40, 57
  br i1 %41, label %60, label %42

42:                                               ; preds = %39
  %43 = load i32, ptr %2, align 4, !tbaa !5
  %44 = icmp eq i32 %43, 39
  br i1 %44, label %60, label %45

45:                                               ; preds = %42
  %46 = load i32, ptr %2, align 4, !tbaa !5
  %47 = icmp eq i32 %46, 40
  br i1 %47, label %60, label %48

48:                                               ; preds = %45
  %49 = load i32, ptr %2, align 4, !tbaa !5
  %50 = icmp eq i32 %49, 41
  br i1 %50, label %60, label %51

51:                                               ; preds = %48
  %52 = load i32, ptr %2, align 4, !tbaa !5
  %53 = icmp eq i32 %52, 58
  br i1 %53, label %60, label %54

54:                                               ; preds = %51
  %55 = load i32, ptr %2, align 4, !tbaa !5
  %56 = icmp eq i32 %55, 59
  br i1 %56, label %60, label %57

57:                                               ; preds = %54
  %58 = load i32, ptr %2, align 4, !tbaa !5
  %59 = icmp eq i32 %58, 60
  br i1 %59, label %60, label %61

60:                                               ; preds = %57, %54, %51, %48, %45, %42, %39, %36, %33, %30, %27, %24, %21, %18, %15, %12, %9, %6, %1
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %60, %57
  %62 = load i32, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %62
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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"

@switch.table.libxsmm_meqn_is_unary_opcode_transform_kernel = private unnamed_addr constant [40 x i32] [i32 1, i32 1, i32 1, i32 1, i32 1, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 0, i32 0, i32 0, i32 1, i32 1], align 4

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local range(i32 0, 2) i32 @libxsmm_meqn_is_unary_opcode_transform_kernel(i32 noundef %0) local_unnamed_addr #0 {
  %switch.tableidx = add i32 %0, -28
  %2 = icmp ult i32 %switch.tableidx, 40
  br i1 %2, label %switch.lookup, label %4

switch.lookup:                                    ; preds = %1
  %3 = zext nneg i32 %switch.tableidx to i64
  %switch.gep = getelementptr inbounds [40 x i32], ptr @switch.table.libxsmm_meqn_is_unary_opcode_transform_kernel, i64 0, i64 %3
  %switch.load = load i32, ptr %switch.gep, align 4
  br label %4

4:                                                ; preds = %switch.lookup, %1
  %.0 = phi i32 [ 0, %1 ], [ %switch.load, %switch.lookup ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass