; LLVM IR from kazunetakahashi/atcoder :: 2017/0325_yahoo-procon2017-final/C2.ll (Z3addii)

; 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"

@M = external dso_local global i32, align 4
@sq = external dso_local global [317 x [317 x i32]], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3addii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = sdiv i32 %6, 317
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [317 x [317 x i32]], ptr @sq, i64 0, i64 %8
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = srem i32 %10, 317
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [317 x i32], ptr %9, i64 0, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = add nsw i32 %14, %5
  store i32 %15, ptr %13, align 4, !tbaa !5
  %16 = load i32, ptr @M, align 4, !tbaa !5
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = sdiv i32 %17, 317
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [317 x [317 x i32]], ptr @sq, i64 0, i64 %19
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = srem i32 %21, 317
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [317 x i32], ptr %20, i64 0, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = srem i32 %25, %16
  store i32 %26, ptr %24, align 4, !tbaa !5
  ret void
}

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


; 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"

@M = external dso_local local_unnamed_addr global i32, align 4
@sq = external dso_local local_unnamed_addr global [317 x [317 x i32]], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @_Z3addii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = sdiv i32 %0, 317
  %4 = sext i32 %3 to i64
  %5 = srem i32 %0, 317
  %6 = sext i32 %5 to i64
  %7 = getelementptr inbounds [317 x [317 x i32]], ptr @sq, i64 0, i64 %4, i64 %6
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = add nsw i32 %8, %1
  %10 = load i32, ptr @M, align 4, !tbaa !5
  %11 = srem i32 %9, %10
  store i32 %11, ptr %7, align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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