; LLVM IR from ouuan/CPTH :: tests/ModInt/ModInt.ll (ZN4CPTHmiENS_6ModIntEx)

; 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"

%"class.CPTH::ModInt" = type { i32, i32 }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN4CPTHmiENS_6ModIntES0_(i64, i64) #1

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZN4CPTHmiENS_6ModIntEx(i64 %0, i64 noundef %1) #1 {
  %3 = alloca %"class.CPTH::ModInt", align 4
  %4 = alloca %"class.CPTH::ModInt", align 4
  %5 = alloca i64, align 8
  %6 = alloca %"class.CPTH::ModInt", align 4
  %7 = alloca %"class.CPTH::ModInt", align 4
  store i64 %0, ptr %4, align 4
  store i64 %1, ptr %5, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %4, i64 8, i1 false), !tbaa.struct !9
  %8 = getelementptr inbounds %"class.CPTH::ModInt", ptr %4, i32 0, i32 1
  %9 = load i32, ptr %8, align 4, !tbaa !12
  %10 = load i64, ptr %5, align 8, !tbaa !5
  call void @_ZN4CPTH6ModIntC1Eix(ptr noundef nonnull align 4 dereferenceable(8) %7, i32 noundef %9, i64 noundef %10)
  %11 = load i64, ptr %6, align 4
  %12 = load i64, ptr %7, align 4
  %13 = call i64 @_ZN4CPTHmiENS_6ModIntES0_(i64 %11, i64 %12)
  store i64 %13, ptr %3, align 4
  %14 = load i64, ptr %3, align 4
  ret i64 %14
}

declare void @_ZN4CPTH6ModIntC1Eix(ptr, i32, i64)

attributes #0 = { nocallback nofree 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" }

!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 long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 4, !10, i64 4, i64 4, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !11, i64 4}
!13 = !{!"_ZTSN4CPTH6ModIntE", !11, i64 0, !11, i64 4}


; 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"

%"class.CPTH::ModInt" = type { i32, i32 }

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN4CPTHmiENS_6ModIntES0_(i64, i64) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZN4CPTHmiENS_6ModIntEx(i64 %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = alloca %"class.CPTH::ModInt", align 8
  %.sroa.2.0.extract.shift = lshr i64 %0, 32
  %.sroa.2.0.extract.trunc = trunc nuw i64 %.sroa.2.0.extract.shift to i32
  call void @_ZN4CPTH6ModIntC1Eix(ptr noundef nonnull align 4 dereferenceable(8) %3, i32 noundef %.sroa.2.0.extract.trunc, i64 noundef %1)
  %4 = load i64, ptr %3, align 8
  %5 = call i64 @_ZN4CPTHmiENS_6ModIntES0_(i64 %0, i64 %4)
  ret i64 %5
}

declare void @_ZN4CPTH6ModIntC1Eix(ptr, i32, i64) local_unnamed_addr

attributes #0 = { 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" }

!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,SROAPass