; LLVM IR from marcobambini/gravity :: src/compiler (gravity_lexer)

; 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.gravity_lexer_t = type { ptr, i32, i32, i32, i32, i32, i32, %struct.gtoken_s, i8, i8, ptr, i32 }
%struct.gtoken_s = type { i32, i32, i32, i32, i32, i32, i32, i32, ptr }

; 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: nounwind uwtable
define dso_local i32 @gravity_lexer_peek(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %struct.gravity_lexer_t, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.gravity_lexer_t, ptr %6, i32 0, i32 11
  %8 = load i32, ptr %7, align 8, !tbaa !9
  %9 = icmp ne i32 %8, 91
  br i1 %9, label %10, label %14

10:                                               ; preds = %1
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.gravity_lexer_t, ptr %11, i32 0, i32 11
  %13 = load i32, ptr %12, align 8, !tbaa !9
  store i32 %13, ptr %2, align 4
  br label %27

14:                                               ; preds = %1
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.gravity_lexer_t, ptr %15, i32 0, i32 8
  store i8 1, ptr %16, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 96, ptr %4) #3
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %4, ptr align 8 %17, i64 96, i1 false), !tbaa.struct !15
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = call i32 @gravity_lexer_next(ptr noundef %18)
  store i32 %19, ptr %5, align 4, !tbaa !16
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %20, ptr align 8 %4, i64 96, i1 false), !tbaa.struct !15
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.gravity_lexer_t, ptr %21, i32 0, i32 8
  store i8 0, ptr %22, align 8, !tbaa !14
  %23 = load i32, ptr %5, align 4, !tbaa !16
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.gravity_lexer_t, ptr %24, i32 0, i32 11
  store i32 %23, ptr %25, align 8, !tbaa !9
  %26 = load i32, ptr %5, align 4, !tbaa !16
  store i32 %26, ptr %2, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 96, ptr %4) #3
  br label %27

27:                                               ; preds = %14, %10
  %28 = load i32, ptr %2, align 4
  ret i32 %28
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @gravity_lexer_next(ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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, !11, i64 88}
!10 = !{!"gravity_lexer_t", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !12, i64 32, !13, i64 72, !13, i64 73, !6, i64 80, !11, i64 88}
!11 = !{!"int", !7, i64 0}
!12 = !{!"gtoken_s", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !6, i64 32}
!13 = !{!"_Bool", !7, i64 0}
!14 = !{!10, !13, i64 72}
!15 = !{i64 0, i64 8, !5, i64 8, i64 4, !16, i64 12, i64 4, !16, i64 16, i64 4, !16, i64 20, i64 4, !16, i64 24, i64 4, !16, i64 28, i64 4, !16, i64 32, i64 4, !16, i64 36, i64 4, !16, i64 40, i64 4, !16, i64 44, i64 4, !16, i64 48, i64 4, !16, i64 52, i64 4, !16, i64 56, i64 4, !16, i64 60, i64 4, !16, i64 64, i64 8, !5, i64 72, i64 1, !17, i64 73, i64 1, !17, i64 80, i64 8, !5, i64 88, i64 4, !16}
!16 = !{!11, !11, i64 0}
!17 = !{!13, !13, 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"

%struct.gravity_lexer_t = type { ptr, i32, i32, i32, i32, i32, i32, %struct.gtoken_s, i8, i8, ptr, i32 }
%struct.gtoken_s = type { i32, i32, i32, i32, i32, i32, i32, i32, ptr }

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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @gravity_lexer_peek(ptr noundef %0) local_unnamed_addr #1 {
  %2 = alloca %struct.gravity_lexer_t, align 8
  %3 = getelementptr inbounds i8, ptr %0, i64 88
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %.not = icmp eq i32 %4, 91
  br i1 %.not, label %5, label %8

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 72
  store i8 1, ptr %6, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %2)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(96) %2, ptr noundef nonnull align 8 dereferenceable(96) %0, i64 96, i1 false), !tbaa.struct !14
  %7 = tail call i32 @gravity_lexer_next(ptr noundef nonnull %0)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef nonnull align 8 dereferenceable(96) %2, i64 96, i1 false), !tbaa.struct !14
  store i8 0, ptr %6, align 8, !tbaa !13
  store i32 %7, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %2)
  br label %8

8:                                                ; preds = %1, %5
  %.0 = phi i32 [ %7, %5 ], [ %4, %1 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @gravity_lexer_next(ptr noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }

!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 88}
!6 = !{!"gravity_lexer_t", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !11, i64 32, !12, i64 72, !12, i64 73, !7, i64 80, !10, i64 88}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"gtoken_s", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !7, i64 32}
!12 = !{!"_Bool", !8, i64 0}
!13 = !{!6, !12, i64 72}
!14 = !{i64 0, i64 8, !15, i64 8, i64 4, !16, i64 12, i64 4, !16, i64 16, i64 4, !16, i64 20, i64 4, !16, i64 24, i64 4, !16, i64 28, i64 4, !16, i64 32, i64 4, !16, i64 36, i64 4, !16, i64 40, i64 4, !16, i64 44, i64 4, !16, i64 48, i64 4, !16, i64 52, i64 4, !16, i64 56, i64 4, !16, i64 60, i64 4, !16, i64 64, i64 8, !15, i64 72, i64 1, !17, i64 73, i64 1, !17, i64 80, i64 8, !15, i64 88, i64 4, !16}
!15 = !{!7, !7, i64 0}
!16 = !{!10, !10, i64 0}
!17 = !{!12, !12, i64 0}


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