; LLVM IR from IOsonata/IOsonata :: ARM/Nordic/nRF52/nRF52840/exemples/BoschAppBoard/src (bmi3)

; 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: nounwind uwtable
declare dso_local signext i8 @bmi3_get_regs(i8 noundef zeroext, ptr noundef, i16 noundef zeroext, ptr noundef) #1

; 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 signext i8 @bmi3_get_feature_engine_error_status(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  %8 = alloca [2 x i8], align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %8) #2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %29

11:                                               ; preds = %3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %29

14:                                               ; preds = %11
  %15 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 0
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = call signext i8 @bmi3_get_regs(i8 noundef zeroext 17, ptr noundef %15, i16 noundef zeroext 2, ptr noundef %16)
  store i8 %17, ptr %7, align 1, !tbaa !9
  %18 = load i8, ptr %7, align 1, !tbaa !9
  %19 = sext i8 %18 to i32
  %20 = icmp eq i32 %19, 0
  br i1 %20, label %21, label %28

21:                                               ; preds = %14
  %22 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 0
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  store i8 %23, ptr %24, align 1, !tbaa !9
  %25 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 1
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  store i8 %26, ptr %27, align 1, !tbaa !9
  br label %28

28:                                               ; preds = %21, %14
  br label %30

29:                                               ; preds = %11, %3
  store i8 -1, ptr %7, align 1, !tbaa !9
  br label %30

30:                                               ; preds = %29, %28
  %31 = load i8, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  ret i8 %31
}

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !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: nounwind uwtable
declare dso_local signext i8 @bmi3_get_regs(i8 noundef zeroext, ptr noundef, i16 noundef zeroext, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress 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 signext i8 @bmi3_get_feature_engine_error_status(ptr noundef writeonly %0, ptr noundef writeonly %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = alloca [2 x i8], align 1
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %4) #2
  %5 = icmp ne ptr %0, null
  %6 = icmp ne ptr %1, null
  %or.cond = and i1 %5, %6
  br i1 %or.cond, label %7, label %14

7:                                                ; preds = %3
  %8 = call signext i8 @bmi3_get_regs(i8 noundef zeroext 17, ptr noundef nonnull %4, i16 noundef zeroext 2, ptr noundef %2)
  %9 = icmp eq i8 %8, 0
  br i1 %9, label %10, label %14

10:                                               ; preds = %7
  %11 = load i8, ptr %4, align 1, !tbaa !5
  store i8 %11, ptr %0, align 1, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %4, i64 1
  %13 = load i8, ptr %12, align 1, !tbaa !5
  store i8 %13, ptr %1, align 1, !tbaa !5
  br label %14

14:                                               ; preds = %3, %7, %10
  %.0 = phi i8 [ 0, %10 ], [ %8, %7 ], [ -1, %3 ]
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %4) #2
  ret i8 %.0
}

attributes #0 = { mustprogress 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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