; LLVM IR from gem5/gem5 :: src/systemc/tests/systemc/misc/user_guide/chpt4.4 (pipeline)

; 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.sc_core::sc_module_name" = type <{ ptr, ptr, ptr, ptr, i8, [7 x i8] }>

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10f_pipelinePKcRN7sc_core8sc_clockERKNS1_9sc_signalIdLNS1_16sc_writer_policyE0EEES8_RS6_(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(592) %1, ptr noundef nonnull align 8 dereferenceable(200) %2, ptr noundef nonnull align 8 dereferenceable(200) %3, ptr noundef nonnull align 8 dereferenceable(200) %4) #0 personality ptr @__gxx_personality_v0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca %"class.sc_core::sc_module_name", align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca i1, align 1
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  %15 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 1264) #5
  store i1 true, ptr %14, align 1
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  invoke void @_ZN7sc_core14sc_module_nameC1EPKc(ptr noundef nonnull align 8 dereferenceable(33) %11, ptr noundef %16)
          to label %17 unwind label %25

17:                                               ; preds = %5
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  %21 = load ptr, ptr %10, align 8, !tbaa !5
  invoke void @_ZN8pipelineC2EN7sc_core14sc_module_nameERNS0_8sc_clockERKNS0_9sc_signalIdLNS0_16sc_writer_policyE0EEES8_RS6_(ptr noundef nonnull align 8 dereferenceable(1264) %15, ptr noundef %11, ptr noundef nonnull align 8 dereferenceable(592) %18, ptr noundef nonnull align 8 dereferenceable(200) %19, ptr noundef nonnull align 8 dereferenceable(200) %20, ptr noundef nonnull align 8 dereferenceable(200) %21)
          to label %22 unwind label %29

22:                                               ; preds = %17
  store i1 false, ptr %14, align 1
  %23 = invoke noundef ptr @_ZN7sc_core18sc_module_dynallocEPNS_9sc_moduleE(ptr noundef %15)
          to label %24 unwind label %29

24:                                               ; preds = %22
  call void @_ZN7sc_core14sc_module_nameD1Ev(ptr noundef nonnull align 8 dereferenceable(33) %11) #6
  ret void

25:                                               ; preds = %5
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %12, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %13, align 4
  br label %33

29:                                               ; preds = %22, %17
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %12, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %13, align 4
  call void @_ZN7sc_core14sc_module_nameD1Ev(ptr noundef nonnull align 8 dereferenceable(33) %11) #6
  br label %33

33:                                               ; preds = %29, %25
  %34 = load i1, ptr %14, align 1
  br i1 %34, label %35, label %36

35:                                               ; preds = %33
  call void @_ZdlPvm(ptr noundef %15, i64 noundef 1264) #7
  br label %36

36:                                               ; preds = %35, %33
  br label %37

37:                                               ; preds = %36
  %38 = load ptr, ptr %12, align 8
  %39 = load i32, ptr %13, align 4
  %40 = insertvalue { ptr, i32 } poison, ptr %38, 0
  %41 = insertvalue { ptr, i32 } %40, i32 %39, 1
  resume { ptr, i32 } %41
}

declare noundef ptr @_ZN7sc_core18sc_module_dynallocEPNS_9sc_moduleE(ptr noundef) #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

declare void @_ZN7sc_core14sc_module_nameC1EPKc(ptr noundef nonnull align 8 dereferenceable(33), ptr noundef) unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8pipelineC2EN7sc_core14sc_module_nameERNS0_8sc_clockERKNS0_9sc_signalIdLNS0_16sc_writer_policyE0EEES8_RS6_(ptr noundef nonnull align 8 dereferenceable(1264), ptr noundef, ptr noundef nonnull align 8 dereferenceable(592), ptr noundef nonnull align 8 dereferenceable(200), ptr noundef nonnull align 8 dereferenceable(200), ptr noundef nonnull align 8 dereferenceable(200)) unnamed_addr #0 align 2

; Function Attrs: nounwind
declare void @_ZN7sc_core14sc_module_nameD1Ev(ptr noundef nonnull align 8 dereferenceable(33)) unnamed_addr #3

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #4

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" }
attributes #1 = { "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 = { nobuiltin allocsize(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 "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 #4 = { nobuiltin 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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { builtin 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.sc_core::sc_module_name" = type <{ ptr, ptr, ptr, ptr, i8, [7 x i8] }>

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10f_pipelinePKcRN7sc_core8sc_clockERKNS1_9sc_signalIdLNS1_16sc_writer_policyE0EEES8_RS6_(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(592) %1, ptr noundef nonnull align 8 dereferenceable(200) %2, ptr noundef nonnull align 8 dereferenceable(200) %3, ptr noundef nonnull align 8 dereferenceable(200) %4) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %6 = alloca %"class.sc_core::sc_module_name", align 8
  %7 = tail call noalias noundef nonnull dereferenceable(1264) ptr @_Znwm(i64 noundef 1264) #5
  invoke void @_ZN7sc_core14sc_module_nameC1EPKc(ptr noundef nonnull align 8 dereferenceable(33) %6, ptr noundef %0)
          to label %8 unwind label %.thread

8:                                                ; preds = %5
  invoke void @_ZN8pipelineC2EN7sc_core14sc_module_nameERNS0_8sc_clockERKNS0_9sc_signalIdLNS0_16sc_writer_policyE0EEES8_RS6_(ptr noundef nonnull align 8 dereferenceable(1264) %7, ptr noundef nonnull %6, ptr noundef nonnull align 8 dereferenceable(592) %1, ptr noundef nonnull align 8 dereferenceable(200) %2, ptr noundef nonnull align 8 dereferenceable(200) %3, ptr noundef nonnull align 8 dereferenceable(200) %4)
          to label %10 unwind label %.thread14

.thread14:                                        ; preds = %8
  %9 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN7sc_core14sc_module_nameD1Ev(ptr noundef nonnull align 8 dereferenceable(33) %6) #6
  br label %16

10:                                               ; preds = %8
  %11 = invoke noundef ptr @_ZN7sc_core18sc_module_dynallocEPNS_9sc_moduleE(ptr noundef nonnull %7)
          to label %12 unwind label %14

12:                                               ; preds = %10
  call void @_ZN7sc_core14sc_module_nameD1Ev(ptr noundef nonnull align 8 dereferenceable(33) %6) #6
  ret void

.thread:                                          ; preds = %5
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %16

14:                                               ; preds = %10
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN7sc_core14sc_module_nameD1Ev(ptr noundef nonnull align 8 dereferenceable(33) %6) #6
  br label %17

16:                                               ; preds = %.thread14, %.thread
  %.pn13 = phi { ptr, i32 } [ %13, %.thread ], [ %9, %.thread14 ]
  call void @_ZdlPvm(ptr noundef nonnull %7, i64 noundef 1264) #7
  br label %17

17:                                               ; preds = %14, %16
  %.pn12 = phi { ptr, i32 } [ %15, %14 ], [ %.pn13, %16 ]
  resume { ptr, i32 } %.pn12
}

declare noundef ptr @_ZN7sc_core18sc_module_dynallocEPNS_9sc_moduleE(ptr noundef) local_unnamed_addr #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #2

declare void @_ZN7sc_core14sc_module_nameC1EPKc(ptr noundef nonnull align 8 dereferenceable(33), ptr noundef) unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8pipelineC2EN7sc_core14sc_module_nameERNS0_8sc_clockERKNS0_9sc_signalIdLNS0_16sc_writer_policyE0EEES8_RS6_(ptr noundef nonnull align 8 dereferenceable(1264), ptr noundef, ptr noundef nonnull align 8 dereferenceable(592), ptr noundef nonnull align 8 dereferenceable(200), ptr noundef nonnull align 8 dereferenceable(200), ptr noundef nonnull align 8 dereferenceable(200)) unnamed_addr #0 align 2

; Function Attrs: nounwind
declare void @_ZN7sc_core14sc_module_nameD1Ev(ptr noundef nonnull align 8 dereferenceable(33)) unnamed_addr #3

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #4

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" }
attributes #1 = { "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 = { nobuiltin allocsize(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 "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 #4 = { nobuiltin 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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { builtin 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: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass,TailCallElimPass