; LLVM IR from atcoder/ac-library :: test/example/lazyseg_practice1.ll (Z11composition1FS_)

; 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.F = type { %"struct.atcoder::static_modint", %"struct.atcoder::static_modint" }
%"struct.atcoder::static_modint" = type { i32 }

; 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
declare dso_local i32 @_ZN7atcoderplERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress uwtable
declare dso_local i32 @_ZN7atcodermlERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress uwtable
define dso_local i64 @_Z11composition1FS_(i64 %0, i64 %1) #1 {
  %3 = alloca %struct.F, align 4
  %4 = alloca %struct.F, align 4
  %5 = alloca %struct.F, align 4
  %6 = alloca %"struct.atcoder::static_modint", align 4
  store i64 %0, ptr %4, align 4
  store i64 %1, ptr %5, align 4
  %7 = getelementptr inbounds %struct.F, ptr %3, i32 0, i32 0
  %8 = getelementptr inbounds %struct.F, ptr %5, i32 0, i32 0
  %9 = getelementptr inbounds %struct.F, ptr %4, i32 0, i32 0
  %10 = call i32 @_ZN7atcodermlERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %11 = getelementptr inbounds %"struct.atcoder::static_modint", ptr %7, i32 0, i32 0
  store i32 %10, ptr %11, align 4
  %12 = getelementptr inbounds %struct.F, ptr %3, i32 0, i32 1
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %13 = getelementptr inbounds %struct.F, ptr %5, i32 0, i32 1
  %14 = getelementptr inbounds %struct.F, ptr %4, i32 0, i32 0
  %15 = call i32 @_ZN7atcodermlERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %14)
  %16 = getelementptr inbounds %"struct.atcoder::static_modint", ptr %6, i32 0, i32 0
  store i32 %15, ptr %16, align 4
  %17 = getelementptr inbounds %struct.F, ptr %4, i32 0, i32 1
  %18 = call i32 @_ZN7atcoderplERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %17)
  %19 = getelementptr inbounds %"struct.atcoder::static_modint", ptr %12, i32 0, i32 0
  store i32 %18, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %20 = load i64, ptr %3, align 4
  ret i64 %20
}

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 = { 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)"}


; 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"

%struct.F = type { %"struct.atcoder::static_modint", %"struct.atcoder::static_modint" }
%"struct.atcoder::static_modint" = type { i32 }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local i32 @_ZN7atcoderplERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local i32 @_ZN7atcodermlERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local i64 @_Z11composition1FS_(i64 %0, i64 %1) local_unnamed_addr #1 {
  %3 = alloca %struct.F, align 8
  %4 = alloca %struct.F, align 8
  %5 = alloca %"struct.atcoder::static_modint", align 4
  store i64 %0, ptr %3, align 8
  store i64 %1, ptr %4, align 8
  %6 = call i32 @_ZN7atcodermlERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #2
  %7 = getelementptr inbounds i8, ptr %4, i64 4
  %8 = call i32 @_ZN7atcodermlERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %3)
  store i32 %8, ptr %5, align 4
  %9 = getelementptr inbounds i8, ptr %3, i64 4
  %10 = call i32 @_ZN7atcoderplERKNS_13static_modintILi998244353ELPv0EEES4_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #2
  %.sroa.2.0.insert.ext = zext i32 %10 to i64
  %.sroa.2.0.insert.shift = shl nuw i64 %.sroa.2.0.insert.ext, 32
  %.sroa.0.0.insert.ext = zext i32 %6 to i64
  %.sroa.0.0.insert.insert = or disjoint i64 %.sroa.2.0.insert.shift, %.sroa.0.0.insert.ext
  ret i64 %.sroa.0.0.insert.insert
}

attributes #0 = { mustprogress 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 = { 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass