; LLVM IR from facebook/hermes :: API/hermes_sandbox/external (hermes_sandbox_impl_compiled_2)

; 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.w2c_hermes = type { ptr, ptr, ptr, i32, i32, i32, %struct.wasm_rt_memory_t, %struct.wasm_rt_funcref_table_t }
%struct.wasm_rt_memory_t = type { ptr, i64, i64, i64, i8 }
%struct.wasm_rt_funcref_table_t = type { ptr, i32, i32 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @i32_load(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @w2c_hermes_hermes0x3A0x3Aregex0x3A0x3AMatchCharNode0x3A0x3AmatchConstraints0x280x290x20const(ptr noundef %0, i32 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %10 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %10, ptr %7, align 4, !tbaa !9
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.w2c_hermes, ptr %11, i32 0, i32 6
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = zext i32 %13 to i64
  %15 = add i64 %14, 8
  %16 = call i32 @i32_load(ptr noundef %12, i64 noundef %15)
  store i32 %16, ptr %7, align 4, !tbaa !9
  %17 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %17, ptr %5, align 4, !tbaa !9
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = icmp ne i32 %18, 0
  %20 = xor i1 %19, true
  %21 = zext i1 %20 to i32
  store i32 %21, ptr %7, align 4, !tbaa !9
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = icmp ne i32 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %2
  store i32 4, ptr %7, align 4, !tbaa !9
  br label %76

25:                                               ; preds = %2
  %26 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %26, ptr %7, align 4, !tbaa !9
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.w2c_hermes, ptr %27, i32 0, i32 6
  %29 = load i32, ptr %7, align 4, !tbaa !9
  %30 = zext i32 %29 to i64
  %31 = add i64 %30, 4
  %32 = call i32 @i32_load(ptr noundef %28, i64 noundef %31)
  store i32 %32, ptr %7, align 4, !tbaa !9
  %33 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %33, ptr %4, align 4, !tbaa !9
  %34 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %34, ptr %8, align 4, !tbaa !9
  store i32 2, ptr %9, align 4, !tbaa !9
  %35 = load i32, ptr %9, align 4, !tbaa !9
  %36 = and i32 %35, 31
  %37 = load i32, ptr %8, align 4, !tbaa !9
  %38 = shl i32 %37, %36
  store i32 %38, ptr %8, align 4, !tbaa !9
  %39 = load i32, ptr %8, align 4, !tbaa !9
  %40 = load i32, ptr %7, align 4, !tbaa !9
  %41 = add i32 %40, %39
  store i32 %41, ptr %7, align 4, !tbaa !9
  %42 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %42, ptr %6, align 4, !tbaa !9
  br label %43

43:                                               ; preds = %70, %25
  %44 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %44, ptr %7, align 4, !tbaa !9
  %45 = load ptr, ptr %3, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.w2c_hermes, ptr %45, i32 0, i32 6
  %47 = load i32, ptr %7, align 4, !tbaa !9
  %48 = zext i32 %47 to i64
  %49 = call i32 @i32_load(ptr noundef %46, i64 noundef %48)
  store i32 %49, ptr %7, align 4, !tbaa !9
  store i32 128, ptr %8, align 4, !tbaa !9
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = load i32, ptr %8, align 4, !tbaa !9
  %52 = icmp ult i32 %50, %51
  %53 = zext i1 %52 to i32
  store i32 %53, ptr %7, align 4, !tbaa !9
  %54 = load i32, ptr %7, align 4, !tbaa !9
  %55 = icmp ne i32 %54, 0
  br i1 %55, label %56, label %72

56:                                               ; preds = %43
  store i32 4, ptr %7, align 4, !tbaa !9
  %57 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %57, ptr %5, align 4, !tbaa !9
  %58 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %58, ptr %7, align 4, !tbaa !9
  %59 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %59, ptr %8, align 4, !tbaa !9
  store i32 4, ptr %9, align 4, !tbaa !9
  %60 = load i32, ptr %9, align 4, !tbaa !9
  %61 = load i32, ptr %8, align 4, !tbaa !9
  %62 = add i32 %61, %60
  store i32 %62, ptr %8, align 4, !tbaa !9
  %63 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %63, ptr %4, align 4, !tbaa !9
  %64 = load i32, ptr %7, align 4, !tbaa !9
  %65 = load i32, ptr %8, align 4, !tbaa !9
  %66 = icmp ne i32 %64, %65
  %67 = zext i1 %66 to i32
  store i32 %67, ptr %7, align 4, !tbaa !9
  %68 = load i32, ptr %7, align 4, !tbaa !9
  %69 = icmp ne i32 %68, 0
  br i1 %69, label %70, label %71

70:                                               ; preds = %56
  br label %43

71:                                               ; preds = %56
  br label %74

72:                                               ; preds = %43
  store i32 5, ptr %7, align 4, !tbaa !9
  %73 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %73, ptr %5, align 4, !tbaa !9
  br label %74

74:                                               ; preds = %72, %71
  %75 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %75, ptr %7, align 4, !tbaa !9
  br label %76

76:                                               ; preds = %74, %24
  %77 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 %77
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 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 #3 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !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: inlinehint nounwind uwtable
declare hidden i32 @i32_load(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 4, 6) i32 @w2c_hermes_hermes0x3A0x3Aregex0x3A0x3AMatchCharNode0x3A0x3AmatchConstraints0x280x290x20const(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 40
  %4 = zext i32 %1 to i64
  %5 = add nuw nsw i64 %4, 8
  %6 = tail call i32 @i32_load(ptr noundef nonnull %3, i64 noundef %5)
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %.loopexit, label %7

7:                                                ; preds = %2
  %8 = add nuw nsw i64 %4, 4
  %9 = tail call i32 @i32_load(ptr noundef nonnull %3, i64 noundef %8)
  %10 = shl i32 %6, 2
  %11 = add i32 %9, %10
  br label %12

12:                                               ; preds = %16, %7
  %.034 = phi i32 [ %9, %7 ], [ %17, %16 ]
  %13 = zext i32 %.034 to i64
  %14 = tail call i32 @i32_load(ptr noundef nonnull %3, i64 noundef %13)
  %15 = icmp ult i32 %14, 128
  br i1 %15, label %16, label %.loopexit

16:                                               ; preds = %12
  %17 = add i32 %.034, 4
  %.not36 = icmp eq i32 %11, %17
  br i1 %.not36, label %.loopexit, label %12

.loopexit:                                        ; preds = %16, %12, %2
  %.0 = phi i32 [ 4, %2 ], [ 5, %12 ], [ 4, %16 ]
  ret i32 %.0
}

attributes #0 = { inlinehint 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 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass