; LLVM IR from libtcod/libtcod :: src/libtcod (parser_c)

; 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"

; 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
declare dso_local void @TCOD_struct_add_value_list_sized(ptr noundef, ptr noundef, ptr noundef, i32 noundef, i1 noundef zeroext) #1

; Function Attrs: nounwind uwtable
define dso_local void @TCOD_struct_add_value_list(ptr noundef %0, ptr noundef %1, ptr noundef %2, i1 noundef zeroext %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %10 = zext i1 %3 to i8
  store i8 %10, ptr %8, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  store i32 0, ptr %9, align 4, !tbaa !11
  %11 = load ptr, ptr %7, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %25

13:                                               ; preds = %4
  br label %14

14:                                               ; preds = %21, %13
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = load i32, ptr %9, align 4, !tbaa !11
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds ptr, ptr %15, i64 %17
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %21, label %24

21:                                               ; preds = %14
  %22 = load i32, ptr %9, align 4, !tbaa !11
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %9, align 4, !tbaa !11
  br label %14, !llvm.loop !13

24:                                               ; preds = %14
  br label %25

25:                                               ; preds = %24, %4
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = load i32, ptr %9, align 4, !tbaa !11
  %30 = load i8, ptr %8, align 1, !tbaa !9, !range !15, !noundef !16
  %31 = trunc i8 %30 to i1
  call void @TCOD_struct_add_value_list_sized(ptr noundef %26, ptr noundef %27, ptr noundef %28, i32 noundef %29, i1 noundef zeroext %31)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  ret void
}

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 = { 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 = !{!"_Bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{i8 0, i8 2}
!16 = !{}


; 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 void @TCOD_struct_add_value_list_sized(ptr noundef, ptr noundef, ptr noundef, i32 noundef, i1 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @TCOD_struct_add_value_list(ptr noundef %0, ptr noundef %1, ptr noundef %2, i1 noundef zeroext %3) local_unnamed_addr #0 {
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %4, %.preheader
  %indvars.iv = phi i64 [ %indvars.iv.next, %.preheader ], [ 0, %4 ]
  %5 = getelementptr inbounds ptr, ptr %2, i64 %indvars.iv
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %.not8 = icmp eq ptr %6, null
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  br i1 %.not8, label %.loopexit.loopexit, label %.preheader, !llvm.loop !9

.loopexit.loopexit:                               ; preds = %.preheader
  %7 = trunc nuw nsw i64 %indvars.iv to i32
  br label %.loopexit

.loopexit:                                        ; preds = %.loopexit.loopexit, %4
  %.1 = phi i32 [ 0, %4 ], [ %7, %.loopexit.loopexit ]
  tail call void @TCOD_struct_add_value_list_sized(ptr noundef %0, ptr noundef %1, ptr noundef %2, i32 noundef %.1, i1 noundef zeroext %3)
  ret void
}

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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass