; LLVM IR from cvra/robot-software :: lib/cmp (cmp)

; 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.cmp_ctx_s = type { i8, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare hidden zeroext i1 @write_type_marker(ptr noundef, i8 noundef zeroext) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @cmp_write_ext8_marker(ptr noundef %0, i8 noundef signext %1, i8 noundef zeroext %2) #0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i8, align 1
  %7 = alloca i8, align 1
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i8 %1, ptr %6, align 1, !tbaa !9
  store i8 %2, ptr %7, align 1, !tbaa !9
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = call zeroext i1 @write_type_marker(ptr noundef %8, i8 noundef zeroext -57)
  br i1 %9, label %11, label %10

10:                                               ; preds = %3
  store i1 false, ptr %4, align 1
  br label %32

11:                                               ; preds = %3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.cmp_ctx_s, ptr %12, i32 0, i32 3
  %14 = load ptr, ptr %13, align 8, !tbaa !10
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = call i64 %14(ptr noundef %15, ptr noundef %7, i64 noundef 1)
  %17 = icmp ne i64 %16, 0
  br i1 %17, label %21, label %18

18:                                               ; preds = %11
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.cmp_ctx_s, ptr %19, i32 0, i32 0
  store i8 15, ptr %20, align 8, !tbaa !12
  store i1 false, ptr %4, align 1
  br label %32

21:                                               ; preds = %11
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.cmp_ctx_s, ptr %22, i32 0, i32 3
  %24 = load ptr, ptr %23, align 8, !tbaa !10
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = call i64 %24(ptr noundef %25, ptr noundef %6, i64 noundef 1)
  %27 = icmp ne i64 %26, 0
  br i1 %27, label %28, label %29

28:                                               ; preds = %21
  store i1 true, ptr %4, align 1
  br label %32

29:                                               ; preds = %21
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.cmp_ctx_s, ptr %30, i32 0, i32 0
  store i8 12, ptr %31, align 8, !tbaa !12
  store i1 false, ptr %4, align 1
  br label %32

32:                                               ; preds = %29, %28, %18, %10
  %33 = load i1, ptr %4, align 1
  ret i1 %33
}

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 = !{!7, !7, i64 0}
!10 = !{!11, !6, i64 24}
!11 = !{!"cmp_ctx_s", !7, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!12 = !{!11, !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: nounwind uwtable
declare hidden zeroext i1 @write_type_marker(ptr noundef, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @cmp_write_ext8_marker(ptr noundef %0, i8 noundef signext %1, i8 noundef zeroext %2) local_unnamed_addr #0 {
  %4 = alloca i8, align 1
  %5 = alloca i8, align 1
  store i8 %1, ptr %4, align 1, !tbaa !5
  store i8 %2, ptr %5, align 1, !tbaa !5
  %6 = tail call zeroext i1 @write_type_marker(ptr noundef %0, i8 noundef zeroext -57)
  br i1 %6, label %7, label %14

7:                                                ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load ptr, ptr %8, align 8, !tbaa !8
  %10 = call i64 %9(ptr noundef %0, ptr noundef nonnull %5, i64 noundef 1) #1
  %.not = icmp eq i64 %10, 0
  br i1 %.not, label %.sink.split, label %11

11:                                               ; preds = %7
  %12 = load ptr, ptr %8, align 8, !tbaa !8
  %13 = call i64 %12(ptr noundef nonnull %0, ptr noundef nonnull %4, i64 noundef 1) #1
  %.not8 = icmp eq i64 %13, 0
  br i1 %.not8, label %.sink.split, label %14

.sink.split:                                      ; preds = %11, %7
  %.sink = phi i8 [ 15, %7 ], [ 12, %11 ]
  store i8 %.sink, ptr %0, align 8, !tbaa !11
  br label %14

14:                                               ; preds = %.sink.split, %11, %3
  %.0 = phi i1 [ false, %3 ], [ true, %11 ], [ false, %.sink.split ]
  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" }
attributes #1 = { 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"}
!8 = !{!9, !10, i64 24}
!9 = !{!"cmp_ctx_s", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!10 = !{!"any pointer", !6, i64 0}
!11 = !{!9, !6, i64 0}


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