; 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
declare hidden zeroext i16 @be16(i16 noundef zeroext) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @cmp_write_array16(ptr noundef %0, i16 noundef zeroext %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i16, align 2
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i16 %1, ptr %5, align 2, !tbaa !9
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = call zeroext i1 @write_type_marker(ptr noundef %6, i8 noundef zeroext -36)
  br i1 %7, label %9, label %8

8:                                                ; preds = %2
  store i1 false, ptr %3, align 1
  br label %22

9:                                                ; preds = %2
  %10 = load i16, ptr %5, align 2, !tbaa !9
  %11 = call zeroext i16 @be16(i16 noundef zeroext %10)
  store i16 %11, ptr %5, align 2, !tbaa !9
  %12 = load ptr, ptr %4, 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 !11
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = call i64 %14(ptr noundef %15, ptr noundef %5, i64 noundef 2)
  %17 = icmp ne i64 %16, 0
  br i1 %17, label %18, label %19

18:                                               ; preds = %9
  store i1 true, ptr %3, align 1
  br label %22

19:                                               ; preds = %9
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.cmp_ctx_s, ptr %20, i32 0, i32 0
  store i8 15, ptr %21, align 8, !tbaa !13
  store i1 false, ptr %3, align 1
  br label %22

22:                                               ; preds = %19, %18, %8
  %23 = load i1, ptr %3, align 1
  ret i1 %23
}

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, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = !{!12, !6, i64 24}
!12 = !{!"cmp_ctx_s", !7, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!12, !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
declare hidden zeroext i16 @be16(i16 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @cmp_write_array16(ptr noundef %0, i16 noundef zeroext %1) local_unnamed_addr #0 {
  %3 = alloca i16, align 2
  %4 = tail call zeroext i1 @write_type_marker(ptr noundef %0, i8 noundef zeroext -36)
  br i1 %4, label %5, label %11

5:                                                ; preds = %2
  %6 = tail call zeroext i16 @be16(i16 noundef zeroext %1)
  store i16 %6, ptr %3, align 2, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = call i64 %8(ptr noundef %0, ptr noundef nonnull %3, i64 noundef 2) #1
  %.not = icmp eq i64 %9, 0
  br i1 %.not, label %10, label %11

10:                                               ; preds = %5
  store i8 15, ptr %0, align 8, !tbaa !12
  br label %11

11:                                               ; preds = %5, %2, %10
  %.0 = phi i1 [ false, %10 ], [ false, %2 ], [ true, %5 ]
  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 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 24}
!10 = !{!"cmp_ctx_s", !7, i64 0, !11, i64 8, !11, i64 16, !11, i64 24}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !7, i64 0}


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