; LLVM IR from aap/pdp6 :: emu (dt)

; 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"

%struct.Dt551 = type { %struct.Device, ptr, ptr, [8 x ptr], ptr, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }
%struct.Device = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@.str.4 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 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 willreturn memory(read)
declare i32 @strcmp(ptr noundef, 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 i64 @dtex(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %8, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = call i32 @strcmp(ptr noundef %9, ptr noundef @.str.4) #4
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %12, label %17

12:                                               ; preds = %2
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.Dt551, ptr %13, i32 0, i32 5
  %15 = load i32, ptr %14, align 8, !tbaa !9
  %16 = sext i32 %15 to i64
  store i64 %16, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %28

17:                                               ; preds = %2
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = call i32 @strcmp(ptr noundef %18, ptr noundef @.str.5) #4
  %20 = icmp eq i32 %19, 0
  br i1 %20, label %21, label %26

21:                                               ; preds = %17
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.Dt551, ptr %22, i32 0, i32 12
  %24 = load i32, ptr %23, align 4, !tbaa !13
  %25 = sext i32 %24 to i64
  store i64 %25, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %28

26:                                               ; preds = %17
  br label %27

27:                                               ; preds = %26
  store i64 -1, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %28

28:                                               ; preds = %27, %21, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %29 = load i64, ptr %3, align 8
  ret i64 %29
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind willreturn memory(read) "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 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 #3 = { nounwind }
attributes #4 = { nounwind willreturn memory(read) }

!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 = !{!10, !12, i64 152}
!10 = !{!"Dt551", !11, i64 0, !6, i64 64, !6, i64 72, !7, i64 80, !6, i64 144, !12, i64 152, !12, i64 156, !12, i64 160, !12, i64 164, !12, i64 168, !12, i64 172, !12, i64 176, !12, i64 180, !12, i64 184, !12, i64 188, !12, i64 192, !12, i64 196, !12, i64 200, !12, i64 204, !12, i64 208, !12, i64 212, !12, i64 216, !12, i64 220, !12, i64 224, !12, i64 228, !12, i64 232, !12, i64 236, !12, i64 240, !12, i64 244, !12, i64 248, !12, i64 252, !12, i64 256, !12, i64 260, !12, i64 264, !12, i64 268}
!11 = !{!"Device", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !12, i64 180}


; 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.4 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read) uwtable
define dso_local range(i64 -2147483648, 2147483648) i64 @dtex(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %3 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %1, ptr noundef nonnull dereferenceable(1) @.str.4) #2
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %5, label %9

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 152
  %7 = load i32, ptr %6, align 8, !tbaa !5
  %8 = sext i32 %7 to i64
  br label %16

9:                                                ; preds = %2
  %10 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %1, ptr noundef nonnull dereferenceable(1) @.str.5) #2
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %12, label %16

12:                                               ; preds = %9
  %13 = getelementptr inbounds i8, ptr %0, i64 180
  %14 = load i32, ptr %13, align 4, !tbaa !12
  %15 = sext i32 %14 to i64
  br label %16

16:                                               ; preds = %9, %12, %5
  %.0 = phi i64 [ %8, %5 ], [ %15, %12 ], [ -1, %9 ]
  ret i64 %.0
}

attributes #0 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { mustprogress nofree nounwind willreturn memory(argmem: read) 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 willreturn memory(read) }

!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, !11, i64 152}
!6 = !{!"Dt551", !7, i64 0, !8, i64 64, !8, i64 72, !9, i64 80, !8, i64 144, !11, i64 152, !11, i64 156, !11, i64 160, !11, i64 164, !11, i64 168, !11, i64 172, !11, i64 176, !11, i64 180, !11, i64 184, !11, i64 188, !11, i64 192, !11, i64 196, !11, i64 200, !11, i64 204, !11, i64 208, !11, i64 212, !11, i64 216, !11, i64 220, !11, i64 224, !11, i64 228, !11, i64 232, !11, i64 236, !11, i64 240, !11, i64 244, !11, i64 248, !11, i64 252, !11, i64 256, !11, i64 260, !11, i64 264, !11, i64 268}
!7 = !{!"Device", !8, i64 0, !8, i64 8, !8, i64 16, !8, i64 24, !8, i64 32, !8, i64 40, !8, i64 48, !8, i64 56}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!6, !11, i64 180}


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