; LLVM IR from Samson-Mano/EM_Propogation_simulation :: EM_Propogation_simulation/src/ImGui (imgui_draw)

; 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"

%struct.ImVec4 = type { float, float, float, float }
%struct.ImVec2 = type { float, float }
%struct.ImDrawList = type <{ %struct.ImVector.0, %struct.ImVector.1, %struct.ImVector.2, i32, i32, ptr, ptr, ptr, ptr, %struct.ImVector.3, %struct.ImVector.4, %struct.ImVector, %struct.ImDrawCmdHeader, %struct.ImDrawListSplitter, float, [4 x i8] }>
%struct.ImVector.0 = type { i32, i32, ptr }
%struct.ImVector.1 = type { i32, i32, ptr }
%struct.ImVector.2 = type { i32, i32, ptr }
%struct.ImVector.3 = type { i32, i32, ptr }
%struct.ImVector.4 = type { i32, i32, ptr }
%struct.ImVector = type { i32, i32, ptr }
%struct.ImDrawCmdHeader = type <{ %struct.ImVec4, ptr, i32, [4 x i8] }>
%struct.ImDrawListSplitter = type { i32, i32, %struct.ImVector.5 }
%struct.ImVector.5 = type { i32, i32, ptr }

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6ImVec4C2Effff(ptr noundef nonnull align 4 dereferenceable(16), float noundef, float noundef, float noundef, float noundef) unnamed_addr #1 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef, float noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10ImDrawList18_OnChangedClipRectEv(ptr noundef nonnull align 8 dereferenceable(196)) #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10ImDrawList12PushClipRectERK6ImVec2S2_b(ptr noundef nonnull align 8 dereferenceable(196) %0, ptr noundef nonnull align 4 dereferenceable(8) %1, ptr noundef nonnull align 4 dereferenceable(8) %2, i1 noundef zeroext %3) #4 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i8, align 1
  %9 = alloca %struct.ImVec4, align 4
  %10 = alloca %struct.ImVec4, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %11 = zext i1 %3 to i8
  store i8 %11, ptr %8, align 1, !tbaa !9
  %12 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #6
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.ImVec2, ptr %13, i32 0, i32 0
  %15 = load float, ptr %14, align 4, !tbaa !11
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.ImVec2, ptr %16, i32 0, i32 1
  %18 = load float, ptr %17, align 4, !tbaa !14
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.ImVec2, ptr %19, i32 0, i32 0
  %21 = load float, ptr %20, align 4, !tbaa !11
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.ImVec2, ptr %22, i32 0, i32 1
  %24 = load float, ptr %23, align 4, !tbaa !14
  call void @_ZN6ImVec4C2Effff(ptr noundef nonnull align 4 dereferenceable(16) %9, float noundef %15, float noundef %18, float noundef %21, float noundef %24)
  %25 = load i8, ptr %8, align 1, !tbaa !9, !range !15, !noundef !16
  %26 = trunc i8 %25 to i1
  br i1 %26, label %27, label %70

27:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #6
  %28 = getelementptr inbounds %struct.ImDrawList, ptr %12, i32 0, i32 12
  %29 = getelementptr inbounds %struct.ImDrawCmdHeader, ptr %28, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 8 %29, i64 16, i1 false), !tbaa.struct !17
  %30 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 0
  %31 = load float, ptr %30, align 4, !tbaa !19
  %32 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 0
  %33 = load float, ptr %32, align 4, !tbaa !19
  %34 = fcmp olt float %31, %33
  br i1 %34, label %35, label %39

35:                                               ; preds = %27
  %36 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 0
  %37 = load float, ptr %36, align 4, !tbaa !19
  %38 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 0
  store float %37, ptr %38, align 4, !tbaa !19
  br label %39

39:                                               ; preds = %35, %27
  %40 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 1
  %41 = load float, ptr %40, align 4, !tbaa !21
  %42 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 1
  %43 = load float, ptr %42, align 4, !tbaa !21
  %44 = fcmp olt float %41, %43
  br i1 %44, label %45, label %49

45:                                               ; preds = %39
  %46 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 1
  %47 = load float, ptr %46, align 4, !tbaa !21
  %48 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 1
  store float %47, ptr %48, align 4, !tbaa !21
  br label %49

49:                                               ; preds = %45, %39
  %50 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 2
  %51 = load float, ptr %50, align 4, !tbaa !22
  %52 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 2
  %53 = load float, ptr %52, align 4, !tbaa !22
  %54 = fcmp ogt float %51, %53
  br i1 %54, label %55, label %59

55:                                               ; preds = %49
  %56 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 2
  %57 = load float, ptr %56, align 4, !tbaa !22
  %58 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 2
  store float %57, ptr %58, align 4, !tbaa !22
  br label %59

59:                                               ; preds = %55, %49
  %60 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 3
  %61 = load float, ptr %60, align 4, !tbaa !23
  %62 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 3
  %63 = load float, ptr %62, align 4, !tbaa !23
  %64 = fcmp ogt float %61, %63
  br i1 %64, label %65, label %69

65:                                               ; preds = %59
  %66 = getelementptr inbounds %struct.ImVec4, ptr %10, i32 0, i32 3
  %67 = load float, ptr %66, align 4, !tbaa !23
  %68 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 3
  store float %67, ptr %68, align 4, !tbaa !23
  br label %69

69:                                               ; preds = %65, %59
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  br label %70

70:                                               ; preds = %69, %4
  %71 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 0
  %72 = load float, ptr %71, align 4, !tbaa !19
  %73 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 2
  %74 = load float, ptr %73, align 4, !tbaa !22
  %75 = call noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef %72, float noundef %74)
  %76 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 2
  store float %75, ptr %76, align 4, !tbaa !22
  %77 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 1
  %78 = load float, ptr %77, align 4, !tbaa !21
  %79 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 3
  %80 = load float, ptr %79, align 4, !tbaa !23
  %81 = call noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef %78, float noundef %80)
  %82 = getelementptr inbounds %struct.ImVec4, ptr %9, i32 0, i32 3
  store float %81, ptr %82, align 4, !tbaa !23
  %83 = getelementptr inbounds %struct.ImDrawList, ptr %12, i32 0, i32 9
  call void @_ZN8ImVectorI6ImVec4E9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %83, ptr noundef nonnull align 4 dereferenceable(16) %9)
  %84 = getelementptr inbounds %struct.ImDrawList, ptr %12, i32 0, i32 12
  %85 = getelementptr inbounds %struct.ImDrawCmdHeader, ptr %84, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %85, ptr align 4 %9, i64 16, i1 false), !tbaa.struct !17
  call void @_ZN10ImDrawList18_OnChangedClipRectEv(ptr noundef nonnull align 8 dereferenceable(196) %12)
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorI6ImVec4E9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16)) #5 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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 #4 = { 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 #5 = { 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 #6 = { 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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS6ImVec2", !13, i64 0, !13, i64 4}
!13 = !{!"float", !7, i64 0}
!14 = !{!12, !13, i64 4}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = !{i64 0, i64 4, !18, i64 4, i64 4, !18, i64 8, i64 4, !18, i64 12, i64 4, !18}
!18 = !{!13, !13, i64 0}
!19 = !{!20, !13, i64 0}
!20 = !{!"_ZTS6ImVec4", !13, i64 0, !13, i64 4, !13, i64 8, !13, i64 12}
!21 = !{!20, !13, i64 4}
!22 = !{!20, !13, i64 8}
!23 = !{!20, !13, i64 12}


; 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"

%struct.ImVec4 = type { float, float, float, float }

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6ImVec4C2Effff(ptr noundef nonnull align 4 dereferenceable(16), float noundef, float noundef, float noundef, float noundef) unnamed_addr #1 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef, float noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10ImDrawList18_OnChangedClipRectEv(ptr noundef nonnull align 8 dereferenceable(196)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10ImDrawList12PushClipRectERK6ImVec2S2_b(ptr noundef nonnull align 8 dereferenceable(196) %0, ptr nocapture noundef nonnull readonly align 4 dereferenceable(8) %1, ptr nocapture noundef nonnull readonly align 4 dereferenceable(8) %2, i1 noundef zeroext %3) local_unnamed_addr #4 align 2 {
  %5 = alloca %struct.ImVec4, align 4
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #6
  %6 = load float, ptr %1, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %1, i64 4
  %8 = load float, ptr %7, align 4, !tbaa !10
  %9 = load float, ptr %2, align 4, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %2, i64 4
  %11 = load float, ptr %10, align 4, !tbaa !10
  call void @_ZN6ImVec4C2Effff(ptr noundef nonnull align 4 dereferenceable(16) %5, float noundef %6, float noundef %8, float noundef %9, float noundef %11)
  %.pre = load float, ptr %5, align 4, !tbaa !11
  br i1 %3, label %12, label %._crit_edge

._crit_edge:                                      ; preds = %4
  %.phi.trans.insert = getelementptr inbounds i8, ptr %5, i64 8
  %.pre9 = load float, ptr %.phi.trans.insert, align 4, !tbaa !13
  br label %33

12:                                               ; preds = %4
  %13 = getelementptr inbounds i8, ptr %0, i64 136
  %.sroa.0.0.copyload = load float, ptr %13, align 8, !tbaa !14
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 140
  %.sroa.5.0.copyload = load float, ptr %.sroa.5.0..sroa_idx, align 4, !tbaa !14
  %.sroa.7.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 144
  %.sroa.7.0.copyload = load float, ptr %.sroa.7.0..sroa_idx, align 8, !tbaa !14
  %.sroa.9.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 148
  %.sroa.9.0.copyload = load float, ptr %.sroa.9.0..sroa_idx, align 4, !tbaa !14
  %14 = fcmp olt float %.pre, %.sroa.0.0.copyload
  br i1 %14, label %15, label %16

15:                                               ; preds = %12
  store float %.sroa.0.0.copyload, ptr %5, align 4, !tbaa !11
  br label %16

16:                                               ; preds = %15, %12
  %17 = phi float [ %.sroa.0.0.copyload, %15 ], [ %.pre, %12 ]
  %18 = getelementptr inbounds i8, ptr %5, i64 4
  %19 = load float, ptr %18, align 4, !tbaa !15
  %20 = fcmp olt float %19, %.sroa.5.0.copyload
  br i1 %20, label %21, label %22

21:                                               ; preds = %16
  store float %.sroa.5.0.copyload, ptr %18, align 4, !tbaa !15
  br label %22

22:                                               ; preds = %21, %16
  %23 = getelementptr inbounds i8, ptr %5, i64 8
  %24 = load float, ptr %23, align 4, !tbaa !13
  %25 = fcmp ogt float %24, %.sroa.7.0.copyload
  br i1 %25, label %26, label %27

26:                                               ; preds = %22
  store float %.sroa.7.0.copyload, ptr %23, align 4, !tbaa !13
  br label %27

27:                                               ; preds = %26, %22
  %28 = phi float [ %.sroa.7.0.copyload, %26 ], [ %24, %22 ]
  %29 = getelementptr inbounds i8, ptr %5, i64 12
  %30 = load float, ptr %29, align 4, !tbaa !16
  %31 = fcmp ogt float %30, %.sroa.9.0.copyload
  br i1 %31, label %32, label %33

32:                                               ; preds = %27
  store float %.sroa.9.0.copyload, ptr %29, align 4, !tbaa !16
  br label %33

33:                                               ; preds = %._crit_edge, %27, %32
  %34 = phi float [ %28, %27 ], [ %28, %32 ], [ %.pre9, %._crit_edge ]
  %35 = phi float [ %17, %27 ], [ %17, %32 ], [ %.pre, %._crit_edge ]
  %36 = getelementptr inbounds i8, ptr %5, i64 8
  %37 = call noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef %35, float noundef %34)
  store float %37, ptr %36, align 4, !tbaa !13
  %38 = getelementptr inbounds i8, ptr %5, i64 4
  %39 = load float, ptr %38, align 4, !tbaa !15
  %40 = getelementptr inbounds i8, ptr %5, i64 12
  %41 = load float, ptr %40, align 4, !tbaa !16
  %42 = call noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef %39, float noundef %41)
  store float %42, ptr %40, align 4, !tbaa !16
  %43 = getelementptr inbounds i8, ptr %0, i64 88
  call void @_ZN8ImVectorI6ImVec4E9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %43, ptr noundef nonnull align 4 dereferenceable(16) %5)
  %44 = getelementptr inbounds i8, ptr %0, i64 136
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 4 dereferenceable(16) %5, i64 16, i1 false), !tbaa.struct !17
  call void @_ZN10ImDrawList18_OnChangedClipRectEv(ptr noundef nonnull align 8 dereferenceable(196) %0)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #6
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorI6ImVec4E9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #5 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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 #4 = { 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 #5 = { 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 #6 = { 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 0}
!6 = !{!"_ZTS6ImVec2", !7, i64 0, !7, i64 4}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 4}
!11 = !{!12, !7, i64 0}
!12 = !{!"_ZTS6ImVec4", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12}
!13 = !{!12, !7, i64 8}
!14 = !{!7, !7, i64 0}
!15 = !{!12, !7, i64 4}
!16 = !{!12, !7, i64 12}
!17 = !{i64 0, i64 4, !14, i64 4, i64 4, !14, i64 8, i64 4, !14, i64 12, i64 4, !14}


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