; LLVM IR from ssloy/tinyraycaster :: map.ll (ZN3MapC2Ev)

; 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.Map = type { i64, i64 }

@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [61 x i8], align 1
@__PRETTY_FUNCTION__._ZN3MapC2Ev = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN3MapC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %struct.Map, ptr %3, i32 0, i32 0
  store i64 16, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %struct.Map, ptr %3, i32 0, i32 1
  store i64 16, ptr %5, align 8, !tbaa !12
  %6 = getelementptr inbounds %struct.Map, ptr %3, i32 0, i32 0
  %7 = load i64, ptr %6, align 8, !tbaa !9
  %8 = getelementptr inbounds %struct.Map, ptr %3, i32 0, i32 1
  %9 = load i64, ptr %8, align 8, !tbaa !12
  %10 = mul i64 %7, %9
  %11 = add i64 %10, 1
  %12 = icmp eq i64 257, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %1
  br label %16

14:                                               ; preds = %1
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 22, ptr noundef @__PRETTY_FUNCTION__._ZN3MapC2Ev) #2
  unreachable

15:                                               ; No predecessors!
  br label %16

16:                                               ; preds = %15, %13
  ret void
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 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 = { noreturn nounwind "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 = { noreturn 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++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS3Map", !11, i64 0, !11, i64 8}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 8}


; 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 norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN3MapC2Ev(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  store i64 16, ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  store i64 16, ptr %2, align 8, !tbaa !10
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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, !7, i64 0}
!6 = !{!"_ZTS3Map", !7, i64 0, !7, i64 8}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass