; LLVM IR from gem5/gem5 :: ext/mcpat/basic_components.ll (Z31longer_channel_device_reduction9Device_ty9Core_type)

; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.TechnologyParameter = type { double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, i64, %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::InterconnectType", %"class.TechnologyParameter::InterconnectType", %"class.TechnologyParameter::InterconnectType", %"class.TechnologyParameter::ScalingFactor", %"class.TechnologyParameter::MemoryType", %"class.TechnologyParameter::MemoryType", %"class.TechnologyParameter::MemoryType" }
%"class.TechnologyParameter::DeviceType" = type { double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double }
%"class.TechnologyParameter::InterconnectType" = type { double, double, double, double, double, double, double, double }
%"class.TechnologyParameter::ScalingFactor" = type { double, double, double }
%"class.TechnologyParameter::MemoryType" = type { double, double, double, double, double, double }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@g_tp = external global %class.TechnologyParameter, align 8
@.str.41 = external hidden unnamed_addr constant [33 x i8], align 1

; 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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #4

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_Z31longer_channel_device_reduction9Device_ty9Core_type(i32 noundef %0, i32 noundef %1) #3 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store double 1.000000e+00, ptr %7, align 8, !tbaa !11
  store double 8.200000e-01, ptr %6, align 8, !tbaa !11
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %11, label %12

11:                                               ; preds = %2
  store double 5.600000e-01, ptr %5, align 8, !tbaa !11
  br label %13

12:                                               ; preds = %2
  store double 8.000000e-01, ptr %5, align 8, !tbaa !11
  br label %13

13:                                               ; preds = %12, %11
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %16, label %22

16:                                               ; preds = %13
  %17 = load double, ptr %5, align 8, !tbaa !11
  %18 = fsub double 1.000000e+00, %17
  %19 = load double, ptr %5, align 8, !tbaa !11
  %20 = load double, ptr getelementptr inbounds (%"class.TechnologyParameter::DeviceType", ptr getelementptr inbounds (%class.TechnologyParameter, ptr @g_tp, i32 0, i32 48), i32 0, i32 20), align 8, !tbaa !13
  %21 = call double @llvm.fmuladd.f64(double %19, double %20, double %18)
  store double %21, ptr %8, align 8, !tbaa !11
  br label %47

22:                                               ; preds = %13
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = icmp eq i32 %23, 1
  br i1 %24, label %25, label %31

25:                                               ; preds = %22
  %26 = load double, ptr %6, align 8, !tbaa !11
  %27 = fsub double 1.000000e+00, %26
  %28 = load double, ptr %6, align 8, !tbaa !11
  %29 = load double, ptr getelementptr inbounds (%"class.TechnologyParameter::DeviceType", ptr getelementptr inbounds (%class.TechnologyParameter, ptr @g_tp, i32 0, i32 48), i32 0, i32 20), align 8, !tbaa !13
  %30 = call double @llvm.fmuladd.f64(double %28, double %29, double %27)
  store double %30, ptr %8, align 8, !tbaa !11
  br label %46

31:                                               ; preds = %22
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = icmp eq i32 %32, 2
  br i1 %33, label %34, label %40

34:                                               ; preds = %31
  %35 = load double, ptr %7, align 8, !tbaa !11
  %36 = fsub double 1.000000e+00, %35
  %37 = load double, ptr %7, align 8, !tbaa !11
  %38 = load double, ptr getelementptr inbounds (%"class.TechnologyParameter::DeviceType", ptr getelementptr inbounds (%class.TechnologyParameter, ptr @g_tp, i32 0, i32 48), i32 0, i32 20), align 8, !tbaa !13
  %39 = call double @llvm.fmuladd.f64(double %37, double %38, double %36)
  store double %39, ptr %8, align 8, !tbaa !11
  br label %45

40:                                               ; preds = %31
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.41)
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %41, i32 noundef %42)
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %43, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @exit(i32 noundef 0) #7
  unreachable

45:                                               ; preds = %34
  br label %46

46:                                               ; preds = %45, %25
  br label %47

47:                                               ; preds = %46, %16
  %48 = load double, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret double %48
}

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { inlinehint 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 #3 = { 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 #4 = { 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { 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, !6, i64 0}
!6 = !{!"_ZTS9Device_ty", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"_ZTS9Core_type", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!14, !12, i64 1024}
!14 = !{!"_ZTS19TechnologyParameter", !12, i64 0, !12, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !12, i64 56, !12, i64 64, !12, i64 72, !12, i64 80, !12, i64 88, !12, i64 96, !12, i64 104, !12, i64 112, !12, i64 120, !12, i64 128, !12, i64 136, !12, i64 144, !12, i64 152, !12, i64 160, !12, i64 168, !12, i64 176, !12, i64 184, !12, i64 192, !12, i64 200, !12, i64 208, !12, i64 216, !12, i64 224, !12, i64 232, !12, i64 240, !12, i64 248, !12, i64 256, !12, i64 264, !12, i64 272, !12, i64 280, !12, i64 288, !12, i64 296, !12, i64 304, !12, i64 312, !12, i64 320, !12, i64 328, !12, i64 336, !12, i64 344, !15, i64 352, !16, i64 360, !16, i64 528, !16, i64 696, !16, i64 864, !16, i64 1032, !17, i64 1200, !17, i64 1264, !17, i64 1328, !18, i64 1392, !19, i64 1416, !19, i64 1464, !19, i64 1512}
!15 = !{!"long", !7, i64 0}
!16 = !{!"_ZTSN19TechnologyParameter10DeviceTypeE", !12, i64 0, !12, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !12, i64 56, !12, i64 64, !12, i64 72, !12, i64 80, !12, i64 88, !12, i64 96, !12, i64 104, !12, i64 112, !12, i64 120, !12, i64 128, !12, i64 136, !12, i64 144, !12, i64 152, !12, i64 160}
!17 = !{!"_ZTSN19TechnologyParameter16InterconnectTypeE", !12, i64 0, !12, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !12, i64 56}
!18 = !{!"_ZTSN19TechnologyParameter13ScalingFactorE", !12, i64 0, !12, i64 8, !12, i64 16}
!19 = !{!"_ZTSN19TechnologyParameter10MemoryTypeE", !12, i64 0, !12, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40}


; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.TechnologyParameter = type { double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, i64, %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::DeviceType", %"class.TechnologyParameter::InterconnectType", %"class.TechnologyParameter::InterconnectType", %"class.TechnologyParameter::InterconnectType", %"class.TechnologyParameter::ScalingFactor", %"class.TechnologyParameter::MemoryType", %"class.TechnologyParameter::MemoryType", %"class.TechnologyParameter::MemoryType" }
%"class.TechnologyParameter::DeviceType" = type { double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double }
%"class.TechnologyParameter::InterconnectType" = type { double, double, double, double, double, double, double, double }
%"class.TechnologyParameter::ScalingFactor" = type { double, double, double }
%"class.TechnologyParameter::MemoryType" = type { double, double, double, double, double, double }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@g_tp = external local_unnamed_addr global %class.TechnologyParameter, align 8
@.str.41 = external hidden unnamed_addr constant [33 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_Z31longer_channel_device_reduction9Device_ty9Core_type(i32 noundef %0, i32 noundef %1) local_unnamed_addr #2 {
  switch i32 %0, label %14 [
    i32 0, label %3
    i32 1, label %8
    i32 2, label %11
  ]

3:                                                ; preds = %2
  %4 = icmp eq i32 %1, 0
  %. = select i1 %4, double 5.600000e-01, double 8.000000e-01
  %5 = fsub double 1.000000e+00, %.
  %6 = load double, ptr getelementptr inbounds (i8, ptr @g_tp, i64 1024), align 8, !tbaa !5
  %7 = tail call double @llvm.fmuladd.f64(double %., double %6, double %5)
  br label %18

8:                                                ; preds = %2
  %9 = load double, ptr getelementptr inbounds (i8, ptr @g_tp, i64 1024), align 8, !tbaa !5
  %10 = tail call double @llvm.fmuladd.f64(double %9, double 8.200000e-01, double 0x3FC70A3D70A3D70C)
  br label %18

11:                                               ; preds = %2
  %12 = load double, ptr getelementptr inbounds (i8, ptr @g_tp, i64 1024), align 8, !tbaa !5
  %13 = fadd double %12, 0.000000e+00
  br label %18

14:                                               ; preds = %2
  %15 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.41)
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %15, i32 noundef %0)
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  tail call void @exit(i32 noundef 0) #5
  unreachable

18:                                               ; preds = %8, %11, %3
  %.0 = phi double [ %7, %3 ], [ %10, %8 ], [ %13, %11 ]
  ret double %.0
}

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { inlinehint 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 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 = { 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 #4 = { "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 = { 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 1024}
!6 = !{!"_ZTS19TechnologyParameter", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !7, i64 104, !7, i64 112, !7, i64 120, !7, i64 128, !7, i64 136, !7, i64 144, !7, i64 152, !7, i64 160, !7, i64 168, !7, i64 176, !7, i64 184, !7, i64 192, !7, i64 200, !7, i64 208, !7, i64 216, !7, i64 224, !7, i64 232, !7, i64 240, !7, i64 248, !7, i64 256, !7, i64 264, !7, i64 272, !7, i64 280, !7, i64 288, !7, i64 296, !7, i64 304, !7, i64 312, !7, i64 320, !7, i64 328, !7, i64 336, !7, i64 344, !10, i64 352, !11, i64 360, !11, i64 528, !11, i64 696, !11, i64 864, !11, i64 1032, !12, i64 1200, !12, i64 1264, !12, i64 1328, !13, i64 1392, !14, i64 1416, !14, i64 1464, !14, i64 1512}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"_ZTSN19TechnologyParameter10DeviceTypeE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !7, i64 104, !7, i64 112, !7, i64 120, !7, i64 128, !7, i64 136, !7, i64 144, !7, i64 152, !7, i64 160}
!12 = !{!"_ZTSN19TechnologyParameter16InterconnectTypeE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56}
!13 = !{!"_ZTSN19TechnologyParameter13ScalingFactorE", !7, i64 0, !7, i64 8, !7, i64 16}
!14 = !{!"_ZTSN19TechnologyParameter10MemoryTypeE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}


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