; LLVM IR from fritzsedlazeck/SURVIVOR :: src/vcfs/Merge_VCF.ll (Z8genotypePc)

; 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"

@.str.30 = external hidden unnamed_addr constant [21 x i8], align 1

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strncmp(ptr noundef, ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z8genotypePc(ptr noundef %0) #1 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %4, i64 0
  %6 = load i8, ptr %5, align 1, !tbaa !9
  %7 = sext i8 %6 to i32
  %8 = icmp eq i32 %7, 48
  br i1 %8, label %9, label %15

9:                                                ; preds = %1
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %10, i64 2
  %12 = load i8, ptr %11, align 1, !tbaa !9
  %13 = sext i8 %12 to i32
  %14 = icmp eq i32 %13, 49
  br i1 %14, label %27, label %15

15:                                               ; preds = %9, %1
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %16, i64 0
  %18 = load i8, ptr %17, align 1, !tbaa !9
  %19 = sext i8 %18 to i32
  %20 = icmp eq i32 %19, 49
  br i1 %20, label %21, label %28

21:                                               ; preds = %15
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %22, i64 2
  %24 = load i8, ptr %23, align 1, !tbaa !9
  %25 = sext i8 %24 to i32
  %26 = icmp eq i32 %25, 49
  br i1 %26, label %27, label %28

27:                                               ; preds = %21, %9
  store i1 true, ptr %2, align 1
  br label %34

28:                                               ; preds = %21, %15
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = call i32 @strncmp(ptr noundef %29, ptr noundef @.str.30, i64 noundef 20) #2
  %31 = icmp ne i32 %30, 0
  br i1 %31, label %32, label %33

32:                                               ; preds = %28
  store i1 true, ptr %2, align 1
  br label %34

33:                                               ; preds = %28
  store i1 false, ptr %2, align 1
  br label %34

34:                                               ; preds = %33, %32, %27
  %35 = load i1, ptr %2, align 1
  ret i1 %35
}

attributes #0 = { 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 #1 = { mustprogress 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 #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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !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"

@.str.30 = external hidden unnamed_addr constant [21 x i8], align 1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strncmp(ptr nocapture noundef, ptr nocapture noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef zeroext i1 @_Z8genotypePc(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = load i8, ptr %0, align 1, !tbaa !5
  switch i8 %2, label %.thread [
    i8 48, label %3
    i8 49, label %7
  ]

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 2
  %5 = load i8, ptr %4, align 1, !tbaa !5
  %6 = icmp eq i8 %5, 49
  br i1 %6, label %12, label %.thread

7:                                                ; preds = %1
  %8 = getelementptr inbounds i8, ptr %0, i64 2
  %9 = load i8, ptr %8, align 1, !tbaa !5
  %10 = icmp eq i8 %9, 49
  br i1 %10, label %12, label %.thread

.thread:                                          ; preds = %1, %3, %7
  %11 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.30, i64 noundef 20) #2
  %.not = icmp ne i32 %11, 0
  br label %12

12:                                               ; preds = %.thread, %3, %7
  %.0 = phi i1 [ true, %7 ], [ true, %3 ], [ %.not, %.thread ]
  ret i1 %.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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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