; LLVM IR from LeoVen/C-Macro-Collections :: tests (types)

; 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.deque0 = type { ptr, i64, i64, i64, i64, i32, ptr, ptr }

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @d0_empty(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @d0_pop_back(ptr noundef %0) #0 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = call zeroext i1 @d0_empty(ptr noundef %5)
  br i1 %6, label %7, label %10

7:                                                ; preds = %1
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.deque0, ptr %8, i32 0, i32 5
  store i32 2, ptr %9, align 8, !tbaa !9
  store i1 false, ptr %2, align 1
  br label %43

10:                                               ; preds = %1
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.deque0, ptr %11, i32 0, i32 4
  %13 = load i64, ptr %12, align 8, !tbaa !13
  %14 = icmp eq i64 %13, 0
  br i1 %14, label %15, label %20

15:                                               ; preds = %10
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.deque0, ptr %16, i32 0, i32 1
  %18 = load i64, ptr %17, align 8, !tbaa !14
  %19 = sub i64 %18, 1
  br label %25

20:                                               ; preds = %10
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.deque0, ptr %21, i32 0, i32 4
  %23 = load i64, ptr %22, align 8, !tbaa !13
  %24 = sub i64 %23, 1
  br label %25

25:                                               ; preds = %20, %15
  %26 = phi i64 [ %19, %15 ], [ %24, %20 ]
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.deque0, ptr %27, i32 0, i32 4
  store i64 %26, ptr %28, align 8, !tbaa !13
  store ptr null, ptr %4, align 8, !tbaa !5
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.deque0, ptr %30, i32 0, i32 0
  %32 = load ptr, ptr %31, align 8, !tbaa !15
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.deque0, ptr %33, i32 0, i32 4
  %35 = load i64, ptr %34, align 8, !tbaa !13
  %36 = getelementptr inbounds ptr, ptr %32, i64 %35
  store ptr %29, ptr %36, align 8, !tbaa !5
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.deque0, ptr %37, i32 0, i32 2
  %39 = load i64, ptr %38, align 8, !tbaa !16
  %40 = add i64 %39, -1
  store i64 %40, ptr %38, align 8, !tbaa !16
  %41 = load ptr, ptr %3, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.deque0, ptr %41, i32 0, i32 5
  store i32 0, ptr %42, align 8, !tbaa !9
  store i1 true, ptr %2, align 1
  br label %43

43:                                               ; preds = %25, %7
  %44 = load i1, ptr %2, align 1
  ret i1 %44
}

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)"}
!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 40}
!10 = !{!"deque0", !6, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !12, i64 40, !6, i64 48, !6, i64 56}
!11 = !{!"long", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !11, i64 32}
!14 = !{!10, !11, i64 8}
!15 = !{!10, !6, i64 0}
!16 = !{!10, !11, i64 16}


; 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
declare dso_local zeroext i1 @d0_empty(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @d0_pop_back(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call zeroext i1 @d0_empty(ptr noundef %0)
  br i1 %2, label %17, label %3

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 32
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %6 = icmp eq i64 %5, 0
  br i1 %6, label %7, label %10

7:                                                ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load i64, ptr %8, align 8, !tbaa !12
  br label %10

10:                                               ; preds = %3, %7
  %.in = phi i64 [ %9, %7 ], [ %5, %3 ]
  %11 = add i64 %.in, -1
  store i64 %11, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %0, align 8, !tbaa !13
  %13 = getelementptr inbounds ptr, ptr %12, i64 %11
  store ptr null, ptr %13, align 8, !tbaa !14
  %14 = getelementptr inbounds i8, ptr %0, i64 16
  %15 = load i64, ptr %14, align 8, !tbaa !15
  %16 = add i64 %15, -1
  store i64 %16, ptr %14, align 8, !tbaa !15
  br label %17

17:                                               ; preds = %1, %10
  %.sink = phi i32 [ 0, %10 ], [ 2, %1 ]
  %18 = getelementptr inbounds i8, ptr %0, i64 40
  store i32 %.sink, ptr %18, align 8, !tbaa !16
  %.0 = xor i1 %2, true
  ret i1 %.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)"}
!5 = !{!6, !10, i64 32}
!6 = !{!"deque0", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !11, i64 40, !7, i64 48, !7, i64 56}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !10, i64 8}
!13 = !{!6, !7, i64 0}
!14 = !{!7, !7, i64 0}
!15 = !{!6, !10, i64 16}
!16 = !{!6, !11, i64 40}


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