; LLVM IR from libtcod/libtcod :: src/libtcod (fov_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"

%struct.TCOD_Map = type { i32, i32, i32, ptr }

; Function Attrs: nounwind uwtable
define dso_local ptr @TCOD_map_new(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  %7 = load i32, ptr %4, align 4, !tbaa !5
  %8 = icmp sle i32 %7, 0
  br i1 %8, label %12, label %9

9:                                                ; preds = %2
  %10 = load i32, ptr %5, align 4, !tbaa !5
  %11 = icmp sle i32 %10, 0
  br i1 %11, label %12, label %13

12:                                               ; preds = %9, %2
  store ptr null, ptr %3, align 8
  br label %34

13:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %14 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 24) #4
  store ptr %14, ptr %6, align 8, !tbaa !9
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = load ptr, ptr %6, align 8, !tbaa !9
  %17 = getelementptr inbounds %struct.TCOD_Map, ptr %16, i32 0, i32 0
  store i32 %15, ptr %17, align 8, !tbaa !11
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = load ptr, ptr %6, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct.TCOD_Map, ptr %19, i32 0, i32 1
  store i32 %18, ptr %20, align 4, !tbaa !13
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = mul nsw i32 %21, %22
  %24 = load ptr, ptr %6, align 8, !tbaa !9
  %25 = getelementptr inbounds %struct.TCOD_Map, ptr %24, i32 0, i32 2
  store i32 %23, ptr %25, align 8, !tbaa !14
  %26 = load ptr, ptr %6, align 8, !tbaa !9
  %27 = getelementptr inbounds %struct.TCOD_Map, ptr %26, i32 0, i32 2
  %28 = load i32, ptr %27, align 8, !tbaa !14
  %29 = sext i32 %28 to i64
  %30 = call noalias ptr @calloc(i64 noundef %29, i64 noundef 3) #4
  %31 = load ptr, ptr %6, align 8, !tbaa !9
  %32 = getelementptr inbounds %struct.TCOD_Map, ptr %31, i32 0, i32 3
  store ptr %30, ptr %32, align 8, !tbaa !15
  %33 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %33, ptr %3, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %34

34:                                               ; preds = %13, %12
  %35 = load ptr, ptr %3, align 8
  ret ptr %35
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(0,1) "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 }
attributes #4 = { nounwind allocsize(0,1) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"TCOD_Map", !6, i64 0, !6, i64 4, !6, i64 8, !10, i64 16}
!13 = !{!12, !6, i64 4}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !10, i64 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: mustprogress nofree nounwind willreturn memory(write, argmem: none, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @TCOD_map_new(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp slt i32 %0, 1
  %4 = icmp slt i32 %1, 1
  %or.cond = or i1 %3, %4
  br i1 %or.cond, label %13, label %5

5:                                                ; preds = %2
  %6 = tail call noalias dereferenceable_or_null(24) ptr @calloc(i64 noundef 1, i64 noundef 24) #2
  store i32 %0, ptr %6, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 4
  store i32 %1, ptr %7, align 4, !tbaa !11
  %8 = mul nuw nsw i32 %1, %0
  %9 = getelementptr inbounds i8, ptr %6, i64 8
  store i32 %8, ptr %9, align 8, !tbaa !12
  %10 = zext nneg i32 %8 to i64
  %11 = tail call noalias ptr @calloc(i64 noundef %10, i64 noundef 3) #2
  %12 = getelementptr inbounds i8, ptr %6, i64 16
  store ptr %11, ptr %12, align 8, !tbaa !13
  br label %13

13:                                               ; preds = %2, %5
  %.0 = phi ptr [ %6, %5 ], [ null, %2 ]
  ret ptr %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn memory(write, argmem: none, inaccessiblemem: readwrite) 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 allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 allocsize(0,1) }

!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, !7, i64 0}
!6 = !{!"TCOD_Map", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!6, !7, i64 8}
!13 = !{!6, !10, i64 16}


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