; 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 dso_local zeroext i1 @cmp_write_pfix(ptr noundef, i8 noundef zeroext) #0

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @cmp_write_nfix(ptr noundef, i8 noundef signext) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @cmp_write_sfix(ptr noundef %0, i8 noundef signext %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i8 %1, ptr %5, align 1, !tbaa !9
  %6 = load i8, ptr %5, align 1, !tbaa !9
  %7 = sext i8 %6 to i32
  %8 = icmp sge i32 %7, 0
  br i1 %8, label %9, label %13

9:                                                ; preds = %2
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = load i8, ptr %5, align 1, !tbaa !9
  %12 = call zeroext i1 @cmp_write_pfix(ptr noundef %10, i8 noundef zeroext %11)
  store i1 %12, ptr %3, align 1
  br label %28

13:                                               ; preds = %2
  %14 = load i8, ptr %5, align 1, !tbaa !9
  %15 = sext i8 %14 to i32
  %16 = icmp sge i32 %15, -32
  br i1 %16, label %17, label %25

17:                                               ; preds = %13
  %18 = load i8, ptr %5, align 1, !tbaa !9
  %19 = sext i8 %18 to i32
  %20 = icmp sle i32 %19, -1
  br i1 %20, label %21, label %25

21:                                               ; preds = %17
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i8, ptr %5, align 1, !tbaa !9
  %24 = call zeroext i1 @cmp_write_nfix(ptr noundef %22, i8 noundef signext %23)
  store i1 %24, ptr %3, align 1
  br label %28

25:                                               ; preds = %17, %13
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.cmp_ctx_s, ptr %26, i32 0, i32 0
  store i8 5, ptr %27, align 8, !tbaa !10
  store i1 false, ptr %3, align 1
  br label %28

28:                                               ; preds = %25, %21, %9
  %29 = load i1, ptr %3, align 1
  ret i1 %29
}

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, !7, i64 0}
!11 = !{!"cmp_ctx_s", !7, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}


; 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 @cmp_write_pfix(ptr noundef, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @cmp_write_nfix(ptr noundef, i8 noundef signext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @cmp_write_sfix(ptr noundef %0, i8 noundef signext %1) local_unnamed_addr #0 {
  %3 = icmp sgt i8 %1, -1
  br i1 %3, label %4, label %6

4:                                                ; preds = %2
  %5 = tail call zeroext i1 @cmp_write_pfix(ptr noundef %0, i8 noundef zeroext %1)
  br label %11

6:                                                ; preds = %2
  %7 = icmp ugt i8 %1, -33
  br i1 %7, label %8, label %10

8:                                                ; preds = %6
  %9 = tail call zeroext i1 @cmp_write_nfix(ptr noundef %0, i8 noundef signext %1)
  br label %11

10:                                               ; preds = %6
  store i8 5, ptr %0, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %10, %8, %4
  %.0 = phi i1 [ %5, %4 ], [ %9, %8 ], [ false, %10 ]
  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, !7, i64 0}
!6 = !{!"cmp_ctx_s", !7, i64 0, !9, i64 8, !9, i64 16, !9, i64 24}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"any pointer", !7, i64 0}


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