; LLVM IR from jorgemf/c-evolutionary-library :: examples/tsp/TSPMutation.ll (ZN11TSPMutation6mutateEP10Individual)

; 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.MTRand_int32 = type { i8 }

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

declare i32 @__gxx_personality_v0(...)

; 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 @_ZN11TSPMutation6mutateEP10Individual(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %class.MTRand_int32, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #3
  call void @_ZN12MTRand_int32C2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %10, ptr %6, align 8, !tbaa !5
  %11 = invoke noundef i64 @_ZN12MTRand_int32clEv(ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %12 unwind label %14

12:                                               ; preds = %2
  %13 = urem i64 %11, 2
  switch i64 %13, label %24 [
    i64 0, label %18
    i64 1, label %21
  ]

14:                                               ; preds = %21, %18, %2
  %15 = landingpad { ptr, i32 }
          cleanup
  %16 = extractvalue { ptr, i32 } %15, 0
  store ptr %16, ptr %7, align 8
  %17 = extractvalue { ptr, i32 } %15, 1
  store i32 %17, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @_ZN12MTRand_int32D2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #3
  br label %25

18:                                               ; preds = %12
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  invoke void @_ZN11TSPMutation15exchangeRegionsEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef %19)
          to label %20 unwind label %14

20:                                               ; preds = %18
  br label %24

21:                                               ; preds = %12
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  invoke void @_ZN11TSPMutation13reverseRegionEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef %22)
          to label %23 unwind label %14

23:                                               ; preds = %21
  br label %24

24:                                               ; preds = %23, %20, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @_ZN12MTRand_int32D2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #3
  ret void

25:                                               ; preds = %14
  %26 = load ptr, ptr %7, align 8
  %27 = load i32, ptr %8, align 4
  %28 = insertvalue { ptr, i32 } poison, ptr %26, 0
  %29 = insertvalue { ptr, i32 } %28, i32 %27, 1
  resume { ptr, i32 } %29
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12MTRand_int32C2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN12MTRand_int32clEv(ptr noundef nonnull align 1 dereferenceable(1)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11TSPMutation15exchangeRegionsEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11TSPMutation13reverseRegionEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12MTRand_int32D2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 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"}


; 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.MTRand_int32 = type { i8 }

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

declare i32 @__gxx_personality_v0(...)

; 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
define dso_local void @_ZN11TSPMutation6mutateEP10Individual(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %class.MTRand_int32, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #3
  call void @_ZN12MTRand_int32C2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3)
  %4 = invoke noundef i64 @_ZN12MTRand_int32clEv(ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %5 unwind label %6

5:                                                ; preds = %2
  %trunc = trunc i64 %4 to i1
  br i1 %trunc, label %9, label %8

6:                                                ; preds = %9, %8, %2
  %7 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN12MTRand_int32D2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #3
  resume { ptr, i32 } %7

8:                                                ; preds = %5
  invoke void @_ZN11TSPMutation15exchangeRegionsEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1)
          to label %10 unwind label %6

9:                                                ; preds = %5
  invoke void @_ZN11TSPMutation13reverseRegionEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1)
          to label %10 unwind label %6

10:                                               ; preds = %9, %8
  call void @_ZN12MTRand_int32D2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12MTRand_int32C2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN12MTRand_int32clEv(ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11TSPMutation15exchangeRegionsEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11TSPMutation13reverseRegionEP13TSPIndividual(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12MTRand_int32D2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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 = { 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)"}


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