; 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_get_bcast_type_unary(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 = and i32 %4, 2
  %6 = icmp ugt i32 %5, 0
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %20

8:                                                ; preds = %1
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = and i32 %9, 4
  %11 = icmp ugt i32 %10, 0
  br i1 %11, label %12, label %13

12:                                               ; preds = %8
  store i32 2, ptr %3, align 4, !tbaa !5
  br label %19

13:                                               ; preds = %8
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = and i32 %14, 8
  %16 = icmp ugt i32 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %13
  store i32 4, ptr %3, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %17, %13
  br label %19

19:                                               ; preds = %18, %12
  br label %20

20:                                               ; preds = %19, %7
  %21 = load i32, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %21
}

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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local range(i32 0, 5) i32 @libxsmm_meqn_get_bcast_type_unary(i32 noundef %0) local_unnamed_addr #0 {
  %2 = and i32 %0, 2
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %3, label %7

3:                                                ; preds = %1
  %4 = and i32 %0, 4
  %.not4 = icmp eq i32 %4, 0
  br i1 %.not4, label %5, label %7

5:                                                ; preds = %3
  %6 = lshr i32 %0, 1
  %spec.select = and i32 %6, 4
  br label %7

7:                                                ; preds = %5, %3, %1
  %.0 = phi i32 [ 1, %1 ], [ 2, %3 ], [ %spec.select, %5 ]
  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