; LLVM IR from taichi-dev/taichi :: taichi/runtime/llvm/runtime_module (runtime)

; 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: mustprogress uwtable
define dso_local void @runtime_get_memory_requirements(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !11
  %8 = load i32, ptr %6, align 4, !tbaa !9
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %10, label %14

10:                                               ; preds = %3
  %11 = call noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef 35256, i64 noundef 4096)
  %12 = load i64, ptr %7, align 8, !tbaa !11
  %13 = add nsw i64 %12, %11
  store i64 %13, ptr %7, align 8, !tbaa !11
  br label %14

14:                                               ; preds = %10, %3
  %15 = call noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef 1048576, i64 noundef 4096)
  %16 = load i64, ptr %7, align 8, !tbaa !11
  %17 = add nsw i64 %16, %15
  store i64 %17, ptr %7, align 8, !tbaa !11
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = mul nsw i64 20, %19
  %21 = call noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef %20, i64 noundef 4096)
  %22 = load i64, ptr %7, align 8, !tbaa !11
  %23 = add nsw i64 %22, %21
  store i64 %23, ptr %7, align 8, !tbaa !11
  %24 = load i64, ptr %7, align 8, !tbaa !11
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds i64, ptr %25, i64 0
  store i64 %24, ptr %26, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef, i64 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !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: mustprogress nounwind uwtable
define dso_local void @runtime_get_memory_requirements(ptr nocapture noundef writeonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %6, label %4

4:                                                ; preds = %3
  %5 = tail call noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef 35256, i64 noundef 4096)
  br label %6

6:                                                ; preds = %4, %3
  %.0 = phi i64 [ %5, %4 ], [ 0, %3 ]
  %7 = tail call noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef 1048576, i64 noundef 4096)
  %8 = add nsw i64 %7, %.0
  %9 = sext i32 %1 to i64
  %10 = mul nsw i64 %9, 20
  %11 = tail call noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef %10, i64 noundef 4096)
  %12 = add nsw i64 %8, %11
  store i64 %12, ptr %0, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN6taichi8iroundupIlmvEET_S1_T0_(i64 noundef, i64 noundef) local_unnamed_addr #0

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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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