; LLVM IR from ouuan/CPTH :: tests/ModInt/ModInt.ll (ZN4CPTHmiENS_6ModIntES0_)

; 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 }

@.str.1 = external hidden unnamed_addr constant [80 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [15 x i8], align 1
@__PRETTY_FUNCTION__._ZN4CPTHmiENS_6ModIntES0_ = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4CPTH6ModIntngEv(ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN4CPTHplENS_6ModIntES0_(i64, i64) #1

; 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) #2

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZN4CPTHmiENS_6ModIntES0_(i64 %0, i64 %1) #1 {
  %3 = alloca %"class.CPTH::ModInt", align 4
  %4 = alloca %"class.CPTH::ModInt", align 4
  %5 = alloca %"class.CPTH::ModInt", align 4
  %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 4
  %8 = getelementptr inbounds %"class.CPTH::ModInt", ptr %4, i32 0, i32 1
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = getelementptr inbounds %"class.CPTH::ModInt", ptr %5, i32 0, i32 1
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = icmp eq i32 %9, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  br label %16

14:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str.5, ptr noundef @.str.1, i32 noundef 119, ptr noundef @__PRETTY_FUNCTION__._ZN4CPTHmiENS_6ModIntES0_) #3
  unreachable

15:                                               ; No predecessors!
  br label %16

16:                                               ; preds = %15, %13
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %4, i64 8, i1 false), !tbaa.struct !10
  %17 = call i64 @_ZNK4CPTH6ModIntngEv(ptr noundef nonnull align 4 dereferenceable(8) %5)
  store i64 %17, ptr %7, align 4
  %18 = load i64, ptr %6, align 4
  %19 = load i64, ptr %7, align 4
  %20 = call i64 @_ZN4CPTHplENS_6ModIntES0_(i64 %18, i64 %19)
  store i64 %20, ptr %3, align 4
  %21 = load i64, ptr %3, align 4
  ret i64 %21
}

attributes #0 = { 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 #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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, !7, i64 4}
!6 = !{!"_ZTSN4CPTH6ModIntE", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{i64 0, i64 4, !11, i64 4, i64 4, !11}
!11 = !{!7, !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"

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

@.str.1 = external hidden unnamed_addr constant [80 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [15 x i8], align 1
@__PRETTY_FUNCTION__._ZN4CPTHmiENS_6ModIntES0_ = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4CPTH6ModIntngEv(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN4CPTHplENS_6ModIntES0_(i64, i64) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZN4CPTHmiENS_6ModIntES0_(i64 %0, i64 %1) local_unnamed_addr #1 {
  %3 = alloca %"class.CPTH::ModInt", align 8
  store i64 %1, ptr %3, align 8
  %.unshifted = xor i64 %1, %0
  %4 = icmp ult i64 %.unshifted, 4294967296
  br i1 %4, label %6, label %5

5:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.5, ptr noundef nonnull @.str.1, i32 noundef 119, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN4CPTHmiENS_6ModIntES0_) #2
  unreachable

6:                                                ; preds = %2
  %7 = call i64 @_ZNK4CPTH6ModIntngEv(ptr noundef nonnull align 4 dereferenceable(8) %3)
  %8 = call i64 @_ZN4CPTHplENS_6ModIntES0_(i64 %0, i64 %7)
  ret i64 %8
}

attributes #0 = { 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 #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 = { 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)"}


; Effective O3 passes: BDCEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass