; LLVM IR from theolundqvist/parallax-voxel-ray-marcher :: src/external/Dear ImGui/imgui.ll (ZN5ImGui13SetCursorPosXEf)

; 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.ImGuiWindow = type <{ ptr, i32, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, float, float, i32, i32, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i16, i16, i16, i16, [2 x i8], i32, i8, i8, i8, i8, i32, i8, i8, i8, i8, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVector.8, %struct.ImGuiWindowTempData, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImVec2ih, %struct.ImVec2ih, i32, float, float, [4 x i8], %struct.ImGuiStorage, %struct.ImVector.26, float, i32, ptr, %struct.ImDrawList, ptr, ptr, ptr, ptr, ptr, [2 x i32], [2 x %struct.ImRect], i32, i32, i8, [7 x i8] }>
%struct.ImVec2 = type { float, float }
%struct.ImVector.8 = type { i32, i32, ptr }
%struct.ImGuiWindowTempData = type <{ %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, float, float, %struct.ImVec1, %struct.ImVec1, %struct.ImVec1, i32, i16, i16, i32, i8, i8, i8, i8, %struct.ImVec2, %struct.ImGuiMenuColumns, i32, i32, %struct.ImVector.3, ptr, ptr, i32, i32, i32, i32, i32, float, float, [4 x i8], %struct.ImVector.16, %struct.ImVector.16, %struct.ImGuiStackSizes, [2 x i8] }>
%struct.ImVec1 = type { float }
%struct.ImGuiMenuColumns = type <{ i32, i32, i16, i16, i16, i16, i16, [4 x i16], [2 x i8] }>
%struct.ImVector.3 = type { i32, i32, ptr }
%struct.ImVector.16 = type { i32, i32, ptr }
%struct.ImGuiStackSizes = type { i16, i16, i16, i16, i16, i16, i16 }
%struct.ImRect = type { %struct.ImVec2, %struct.ImVec2 }
%struct.ImVec2ih = type { i16, i16 }
%struct.ImGuiStorage = type { %struct.ImVector.0 }
%struct.ImVector.0 = type { i32, i32, ptr }
%struct.ImVector.26 = type { i32, i32, ptr }
%struct.ImDrawList = type <{ %struct.ImVector.27, %struct.ImVector, %struct.ImVector.28, i32, i32, ptr, ptr, ptr, ptr, %struct.ImVector.29, %struct.ImVector.30, %struct.ImVector.31, %struct.ImDrawCmdHeader, %struct.ImDrawListSplitter, float, [4 x i8] }>
%struct.ImVector.27 = type { i32, i32, ptr }
%struct.ImVector = type { i32, i32, ptr }
%struct.ImVector.28 = type { i32, i32, ptr }
%struct.ImVector.29 = type { i32, i32, ptr }
%struct.ImVector.30 = type { i32, i32, ptr }
%struct.ImVector.31 = type { i32, i32, ptr }
%struct.ImDrawCmdHeader = type <{ %struct.ImVec4, ptr, i32, [4 x i8] }>
%struct.ImVec4 = type { float, float, float, float }
%struct.ImDrawListSplitter = type { i32, i32, %struct.ImVector.17 }
%struct.ImVector.17 = 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: 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) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN5ImGui16GetCurrentWindowEv() #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5ImGui13SetCursorPosXEf(float noundef %0) #2 {
  %2 = alloca float, align 4
  %3 = alloca ptr, align 8
  store float %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %4 = call noundef ptr @_ZN5ImGui16GetCurrentWindowEv()
  store ptr %4, ptr %3, align 8, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !9
  %6 = getelementptr inbounds %struct.ImGuiWindow, ptr %5, i32 0, i32 3
  %7 = getelementptr inbounds %struct.ImVec2, ptr %6, i32 0, i32 0
  %8 = load float, ptr %7, align 8, !tbaa !11
  %9 = load ptr, ptr %3, align 8, !tbaa !9
  %10 = getelementptr inbounds %struct.ImGuiWindow, ptr %9, i32 0, i32 15
  %11 = getelementptr inbounds %struct.ImVec2, ptr %10, i32 0, i32 0
  %12 = load float, ptr %11, align 4, !tbaa !41
  %13 = fsub float %8, %12
  %14 = load float, ptr %2, align 4, !tbaa !5
  %15 = fadd float %13, %14
  %16 = load ptr, ptr %3, align 8, !tbaa !9
  %17 = getelementptr inbounds %struct.ImGuiWindow, ptr %16, i32 0, i32 54
  %18 = getelementptr inbounds %struct.ImGuiWindowTempData, ptr %17, i32 0, i32 0
  %19 = getelementptr inbounds %struct.ImVec2, ptr %18, i32 0, i32 0
  store float %15, ptr %19, align 8, !tbaa !42
  %20 = load ptr, ptr %3, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.ImGuiWindow, ptr %20, i32 0, i32 54
  %22 = getelementptr inbounds %struct.ImGuiWindowTempData, ptr %21, i32 0, i32 3
  %23 = getelementptr inbounds %struct.ImVec2, ptr %22, i32 0, i32 0
  %24 = load float, ptr %23, align 8, !tbaa !43
  %25 = load ptr, ptr %3, align 8, !tbaa !9
  %26 = getelementptr inbounds %struct.ImGuiWindow, ptr %25, i32 0, i32 54
  %27 = getelementptr inbounds %struct.ImGuiWindowTempData, ptr %26, i32 0, i32 0
  %28 = getelementptr inbounds %struct.ImVec2, ptr %27, i32 0, i32 0
  %29 = load float, ptr %28, align 8, !tbaa !42
  %30 = call noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef %24, float noundef %29)
  %31 = load ptr, ptr %3, align 8, !tbaa !9
  %32 = getelementptr inbounds %struct.ImGuiWindow, ptr %31, i32 0, i32 54
  %33 = getelementptr inbounds %struct.ImGuiWindowTempData, ptr %32, i32 0, i32 3
  %34 = getelementptr inbounds %struct.ImVec2, ptr %33, i32 0, i32 0
  store float %30, ptr %34, align 8, !tbaa !43
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"_ZTS11ImGuiWindow", !10, i64 0, !13, i64 8, !13, i64 12, !14, i64 16, !14, i64 24, !14, i64 32, !14, i64 40, !14, i64 48, !14, i64 56, !14, i64 64, !6, i64 72, !6, i64 76, !13, i64 80, !13, i64 84, !13, i64 88, !14, i64 92, !14, i64 100, !14, i64 108, !14, i64 116, !14, i64 124, !14, i64 132, !15, i64 140, !15, i64 141, !15, i64 142, !15, i64 143, !15, i64 144, !15, i64 145, !15, i64 146, !15, i64 147, !15, i64 148, !15, i64 149, !15, i64 150, !15, i64 151, !7, i64 152, !16, i64 154, !16, i64 156, !16, i64 158, !16, i64 160, !13, i64 164, !7, i64 168, !7, i64 169, !7, i64 170, !15, i64 171, !13, i64 172, !7, i64 176, !7, i64 177, !7, i64 178, !7, i64 179, !13, i64 180, !13, i64 181, !13, i64 182, !14, i64 184, !14, i64 192, !17, i64 200, !18, i64 216, !25, i64 464, !25, i64 480, !25, i64 496, !25, i64 512, !25, i64 528, !25, i64 544, !25, i64 560, !26, i64 576, !26, i64 580, !13, i64 584, !6, i64 588, !6, i64 592, !27, i64 600, !29, i64 616, !6, i64 632, !13, i64 636, !10, i64 640, !30, i64 648, !10, i64 848, !10, i64 856, !10, i64 864, !10, i64 872, !10, i64 880, !7, i64 888, !7, i64 896, !13, i64 928, !13, i64 932, !15, i64 936}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTS6ImVec2", !6, i64 0, !6, i64 4}
!15 = !{!"bool", !7, i64 0}
!16 = !{!"short", !7, i64 0}
!17 = !{!"_ZTS8ImVectorIjE", !13, i64 0, !13, i64 4, !10, i64 8}
!18 = !{!"_ZTS19ImGuiWindowTempData", !14, i64 0, !14, i64 8, !14, i64 16, !14, i64 24, !14, i64 32, !14, i64 40, !14, i64 48, !6, i64 56, !6, i64 60, !19, i64 64, !19, i64 68, !19, i64 72, !20, i64 76, !16, i64 80, !16, i64 82, !13, i64 84, !15, i64 88, !15, i64 89, !15, i64 90, !14, i64 92, !21, i64 100, !13, i64 128, !13, i64 132, !22, i64 136, !10, i64 152, !10, i64 160, !13, i64 168, !13, i64 172, !13, i64 176, !13, i64 180, !13, i64 184, !6, i64 188, !6, i64 192, !23, i64 200, !23, i64 216, !24, i64 232}
!19 = !{!"_ZTS6ImVec1", !6, i64 0}
!20 = !{!"_ZTS13ImGuiNavLayer", !7, i64 0}
!21 = !{!"_ZTS16ImGuiMenuColumns", !13, i64 0, !13, i64 4, !16, i64 8, !16, i64 10, !16, i64 12, !16, i64 14, !16, i64 16, !7, i64 18}
!22 = !{!"_ZTS8ImVectorIP11ImGuiWindowE", !13, i64 0, !13, i64 4, !10, i64 8}
!23 = !{!"_ZTS8ImVectorIfE", !13, i64 0, !13, i64 4, !10, i64 8}
!24 = !{!"_ZTS15ImGuiStackSizes", !16, i64 0, !16, i64 2, !16, i64 4, !16, i64 6, !16, i64 8, !16, i64 10, !16, i64 12}
!25 = !{!"_ZTS6ImRect", !14, i64 0, !14, i64 8}
!26 = !{!"_ZTS8ImVec2ih", !16, i64 0, !16, i64 2}
!27 = !{!"_ZTS12ImGuiStorage", !28, i64 0}
!28 = !{!"_ZTS8ImVectorIN12ImGuiStorage16ImGuiStoragePairEE", !13, i64 0, !13, i64 4, !10, i64 8}
!29 = !{!"_ZTS8ImVectorI15ImGuiOldColumnsE", !13, i64 0, !13, i64 4, !10, i64 8}
!30 = !{!"_ZTS10ImDrawList", !31, i64 0, !32, i64 16, !33, i64 32, !13, i64 48, !13, i64 52, !10, i64 56, !10, i64 64, !10, i64 72, !10, i64 80, !34, i64 88, !35, i64 104, !36, i64 120, !37, i64 136, !39, i64 168, !6, i64 192}
!31 = !{!"_ZTS8ImVectorI9ImDrawCmdE", !13, i64 0, !13, i64 4, !10, i64 8}
!32 = !{!"_ZTS8ImVectorItE", !13, i64 0, !13, i64 4, !10, i64 8}
!33 = !{!"_ZTS8ImVectorI10ImDrawVertE", !13, i64 0, !13, i64 4, !10, i64 8}
!34 = !{!"_ZTS8ImVectorI6ImVec4E", !13, i64 0, !13, i64 4, !10, i64 8}
!35 = !{!"_ZTS8ImVectorIPvE", !13, i64 0, !13, i64 4, !10, i64 8}
!36 = !{!"_ZTS8ImVectorI6ImVec2E", !13, i64 0, !13, i64 4, !10, i64 8}
!37 = !{!"_ZTS15ImDrawCmdHeader", !38, i64 0, !10, i64 16, !13, i64 24}
!38 = !{!"_ZTS6ImVec4", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12}
!39 = !{!"_ZTS18ImDrawListSplitter", !13, i64 0, !13, i64 4, !40, i64 8}
!40 = !{!"_ZTS8ImVectorI13ImDrawChannelE", !13, i64 0, !13, i64 4, !10, i64 8}
!41 = !{!12, !6, i64 92}
!42 = !{!12, !6, i64 216}
!43 = !{!12, !6, i64 240}


; 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"

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef, float noundef) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN5ImGui16GetCurrentWindowEv() local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5ImGui13SetCursorPosXEf(float noundef %0) local_unnamed_addr #1 {
  %2 = tail call noundef ptr @_ZN5ImGui16GetCurrentWindowEv()
  %3 = getelementptr inbounds i8, ptr %2, i64 16
  %4 = load float, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %2, i64 92
  %6 = load float, ptr %5, align 4, !tbaa !39
  %7 = fsub float %4, %6
  %8 = fadd float %7, %0
  %9 = getelementptr inbounds i8, ptr %2, i64 216
  store float %8, ptr %9, align 8, !tbaa !40
  %10 = getelementptr inbounds i8, ptr %2, i64 240
  %11 = load float, ptr %10, align 8, !tbaa !41
  %12 = tail call noundef float @_ZL5ImMaxIfET_S0_S0_(float noundef %11, float noundef %8)
  store float %12, ptr %10, align 8, !tbaa !41
  ret void
}

attributes #0 = { 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 #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" }

!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, !12, i64 16}
!6 = !{!"_ZTS11ImGuiWindow", !7, i64 0, !10, i64 8, !10, i64 12, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !11, i64 48, !11, i64 56, !11, i64 64, !12, i64 72, !12, i64 76, !10, i64 80, !10, i64 84, !10, i64 88, !11, i64 92, !11, i64 100, !11, i64 108, !11, i64 116, !11, i64 124, !11, i64 132, !13, i64 140, !13, i64 141, !13, i64 142, !13, i64 143, !13, i64 144, !13, i64 145, !13, i64 146, !13, i64 147, !13, i64 148, !13, i64 149, !13, i64 150, !13, i64 151, !8, i64 152, !14, i64 154, !14, i64 156, !14, i64 158, !14, i64 160, !10, i64 164, !8, i64 168, !8, i64 169, !8, i64 170, !13, i64 171, !10, i64 172, !8, i64 176, !8, i64 177, !8, i64 178, !8, i64 179, !10, i64 180, !10, i64 181, !10, i64 182, !11, i64 184, !11, i64 192, !15, i64 200, !16, i64 216, !23, i64 464, !23, i64 480, !23, i64 496, !23, i64 512, !23, i64 528, !23, i64 544, !23, i64 560, !24, i64 576, !24, i64 580, !10, i64 584, !12, i64 588, !12, i64 592, !25, i64 600, !27, i64 616, !12, i64 632, !10, i64 636, !7, i64 640, !28, i64 648, !7, i64 848, !7, i64 856, !7, i64 864, !7, i64 872, !7, i64 880, !8, i64 888, !8, i64 896, !10, i64 928, !10, i64 932, !13, i64 936}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_ZTS6ImVec2", !12, i64 0, !12, i64 4}
!12 = !{!"float", !8, i64 0}
!13 = !{!"bool", !8, i64 0}
!14 = !{!"short", !8, i64 0}
!15 = !{!"_ZTS8ImVectorIjE", !10, i64 0, !10, i64 4, !7, i64 8}
!16 = !{!"_ZTS19ImGuiWindowTempData", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !11, i64 48, !12, i64 56, !12, i64 60, !17, i64 64, !17, i64 68, !17, i64 72, !18, i64 76, !14, i64 80, !14, i64 82, !10, i64 84, !13, i64 88, !13, i64 89, !13, i64 90, !11, i64 92, !19, i64 100, !10, i64 128, !10, i64 132, !20, i64 136, !7, i64 152, !7, i64 160, !10, i64 168, !10, i64 172, !10, i64 176, !10, i64 180, !10, i64 184, !12, i64 188, !12, i64 192, !21, i64 200, !21, i64 216, !22, i64 232}
!17 = !{!"_ZTS6ImVec1", !12, i64 0}
!18 = !{!"_ZTS13ImGuiNavLayer", !8, i64 0}
!19 = !{!"_ZTS16ImGuiMenuColumns", !10, i64 0, !10, i64 4, !14, i64 8, !14, i64 10, !14, i64 12, !14, i64 14, !14, i64 16, !8, i64 18}
!20 = !{!"_ZTS8ImVectorIP11ImGuiWindowE", !10, i64 0, !10, i64 4, !7, i64 8}
!21 = !{!"_ZTS8ImVectorIfE", !10, i64 0, !10, i64 4, !7, i64 8}
!22 = !{!"_ZTS15ImGuiStackSizes", !14, i64 0, !14, i64 2, !14, i64 4, !14, i64 6, !14, i64 8, !14, i64 10, !14, i64 12}
!23 = !{!"_ZTS6ImRect", !11, i64 0, !11, i64 8}
!24 = !{!"_ZTS8ImVec2ih", !14, i64 0, !14, i64 2}
!25 = !{!"_ZTS12ImGuiStorage", !26, i64 0}
!26 = !{!"_ZTS8ImVectorIN12ImGuiStorage16ImGuiStoragePairEE", !10, i64 0, !10, i64 4, !7, i64 8}
!27 = !{!"_ZTS8ImVectorI15ImGuiOldColumnsE", !10, i64 0, !10, i64 4, !7, i64 8}
!28 = !{!"_ZTS10ImDrawList", !29, i64 0, !30, i64 16, !31, i64 32, !10, i64 48, !10, i64 52, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !32, i64 88, !33, i64 104, !34, i64 120, !35, i64 136, !37, i64 168, !12, i64 192}
!29 = !{!"_ZTS8ImVectorI9ImDrawCmdE", !10, i64 0, !10, i64 4, !7, i64 8}
!30 = !{!"_ZTS8ImVectorItE", !10, i64 0, !10, i64 4, !7, i64 8}
!31 = !{!"_ZTS8ImVectorI10ImDrawVertE", !10, i64 0, !10, i64 4, !7, i64 8}
!32 = !{!"_ZTS8ImVectorI6ImVec4E", !10, i64 0, !10, i64 4, !7, i64 8}
!33 = !{!"_ZTS8ImVectorIPvE", !10, i64 0, !10, i64 4, !7, i64 8}
!34 = !{!"_ZTS8ImVectorI6ImVec2E", !10, i64 0, !10, i64 4, !7, i64 8}
!35 = !{!"_ZTS15ImDrawCmdHeader", !36, i64 0, !7, i64 16, !10, i64 24}
!36 = !{!"_ZTS6ImVec4", !12, i64 0, !12, i64 4, !12, i64 8, !12, i64 12}
!37 = !{!"_ZTS18ImDrawListSplitter", !10, i64 0, !10, i64 4, !38, i64 8}
!38 = !{!"_ZTS8ImVectorI13ImDrawChannelE", !10, i64 0, !10, i64 4, !7, i64 8}
!39 = !{!6, !12, i64 92}
!40 = !{!6, !12, i64 216}
!41 = !{!6, !12, i64 240}


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