; LLVM IR from zeux/meshoptimizer :: gltf/parsegltf.ll (Z14areExtrasEqualRK12cgltf_extrasS1_)

; 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.cgltf_extras = type { i64, i64, ptr }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z14areExtrasEqualRK12cgltf_extrasS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.cgltf_extras, ptr %6, i32 0, i32 2
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = icmp ne ptr %8, null
  br i1 %9, label %10, label %24

10:                                               ; preds = %2
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.cgltf_extras, ptr %11, i32 0, i32 2
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %24

15:                                               ; preds = %10
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.cgltf_extras, ptr %16, i32 0, i32 2
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.cgltf_extras, ptr %19, i32 0, i32 2
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = call i32 @strcmp(ptr noundef %18, ptr noundef %21) #2
  %23 = icmp eq i32 %22, 0
  store i1 %23, ptr %3, align 1
  br label %32

24:                                               ; preds = %10, %2
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.cgltf_extras, ptr %25, i32 0, i32 2
  %27 = load ptr, ptr %26, align 8, !tbaa !9
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.cgltf_extras, ptr %28, i32 0, i32 2
  %30 = load ptr, ptr %29, align 8, !tbaa !9
  %31 = icmp eq ptr %27, %30
  store i1 %31, ptr %3, align 1
  br label %32

32:                                               ; preds = %24, %15
  %33 = load i1, ptr %3, align 1
  ret i1 %33
}

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #1

attributes #0 = { 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 #1 = { 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 #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 = !{!10, !6, i64 16}
!10 = !{!"_ZTS12cgltf_extras", !11, i64 0, !11, i64 8, !6, i64 16}
!11 = !{!"long", !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: mustprogress nofree nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local noundef zeroext i1 @_Z14areExtrasEqualRK12cgltf_extrasS1_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(24) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(24) %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %4, null
  %.phi.trans.insert = getelementptr inbounds i8, ptr %1, i64 16
  %.pre = load ptr, ptr %.phi.trans.insert, align 8, !tbaa !5
  br i1 %.not, label %._crit_edge, label %5

5:                                                ; preds = %2
  %.not9 = icmp eq ptr %.pre, null
  br i1 %.not9, label %._crit_edge, label %6

6:                                                ; preds = %5
  %7 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %4, ptr noundef nonnull dereferenceable(1) %.pre) #2
  %8 = icmp eq i32 %7, 0
  br label %11

._crit_edge:                                      ; preds = %2, %5
  %9 = phi ptr [ null, %5 ], [ %.pre, %2 ]
  %10 = icmp eq ptr %4, %9
  br label %11

11:                                               ; preds = %._crit_edge, %6
  %.0 = phi i1 [ %8, %6 ], [ %10, %._crit_edge ]
  ret i1 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn memory(read, inaccessiblemem: none) 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 = { 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 #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, !10, i64 16}
!6 = !{!"_ZTS12cgltf_extras", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}


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