; LLVM IR from boschglobal/dse.network :: dse/network/examples/stub (stub)

; 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.stub_mux_message_t = type { i32, i8, double, float }

; 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 nounwind uwtable
declare hidden zeroext i8 @unpack_right_shift_u8(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @unpack_left_shift_u32(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @unpack_right_shift_u32(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @unpack_left_shift_u64(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @unpack_right_shift_u64(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) #1

; 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: nounwind uwtable
define dso_local i32 @stub_mux_message_unpack(ptr noundef %0, ptr noundef %1, i64 noundef %2) #3 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %11 = load i64, ptr %7, align 8, !tbaa !9
  %12 = icmp ult i64 %11, 12
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  store i32 -22, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %122

14:                                               ; preds = %3
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %15, i64 0
  %17 = load i8, ptr %16, align 1, !tbaa !11
  %18 = call i32 @unpack_right_shift_u32(i8 noundef zeroext %17, i8 noundef zeroext 0, i8 noundef zeroext -1)
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.stub_mux_message_t, ptr %19, i32 0, i32 0
  store i32 %18, ptr %20, align 8, !tbaa !12
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %21, i64 1
  %23 = load i8, ptr %22, align 1, !tbaa !11
  %24 = call i32 @unpack_left_shift_u32(i8 noundef zeroext %23, i8 noundef zeroext 8, i8 noundef zeroext -1)
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.stub_mux_message_t, ptr %25, i32 0, i32 0
  %27 = load i32, ptr %26, align 8, !tbaa !12
  %28 = or i32 %27, %24
  store i32 %28, ptr %26, align 8, !tbaa !12
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = getelementptr inbounds i8, ptr %29, i64 2
  %31 = load i8, ptr %30, align 1, !tbaa !11
  %32 = call i32 @unpack_left_shift_u32(i8 noundef zeroext %31, i8 noundef zeroext 16, i8 noundef zeroext -1)
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.stub_mux_message_t, ptr %33, i32 0, i32 0
  %35 = load i32, ptr %34, align 8, !tbaa !12
  %36 = or i32 %35, %32
  store i32 %36, ptr %34, align 8, !tbaa !12
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = getelementptr inbounds i8, ptr %37, i64 3
  %39 = load i8, ptr %38, align 1, !tbaa !11
  %40 = call zeroext i8 @unpack_right_shift_u8(i8 noundef zeroext %39, i8 noundef zeroext 0, i8 noundef zeroext -1)
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.stub_mux_message_t, ptr %41, i32 0, i32 1
  store i8 %40, ptr %42, align 4, !tbaa !17
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.stub_mux_message_t, ptr %43, i32 0, i32 0
  %45 = load i32, ptr %44, align 8, !tbaa !12
  switch i32 %45, label %120 [
    i32 601, label %46
    i32 602, label %95
  ]

46:                                               ; preds = %14
  %47 = load ptr, ptr %6, align 8, !tbaa !5
  %48 = getelementptr inbounds i8, ptr %47, i64 4
  %49 = load i8, ptr %48, align 1, !tbaa !11
  %50 = call i64 @unpack_right_shift_u64(i8 noundef zeroext %49, i8 noundef zeroext 0, i8 noundef zeroext -1)
  store i64 %50, ptr %9, align 8, !tbaa !9
  %51 = load ptr, ptr %6, align 8, !tbaa !5
  %52 = getelementptr inbounds i8, ptr %51, i64 5
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = call i64 @unpack_left_shift_u64(i8 noundef zeroext %53, i8 noundef zeroext 8, i8 noundef zeroext -1)
  %55 = load i64, ptr %9, align 8, !tbaa !9
  %56 = or i64 %55, %54
  store i64 %56, ptr %9, align 8, !tbaa !9
  %57 = load ptr, ptr %6, align 8, !tbaa !5
  %58 = getelementptr inbounds i8, ptr %57, i64 6
  %59 = load i8, ptr %58, align 1, !tbaa !11
  %60 = call i64 @unpack_left_shift_u64(i8 noundef zeroext %59, i8 noundef zeroext 16, i8 noundef zeroext -1)
  %61 = load i64, ptr %9, align 8, !tbaa !9
  %62 = or i64 %61, %60
  store i64 %62, ptr %9, align 8, !tbaa !9
  %63 = load ptr, ptr %6, align 8, !tbaa !5
  %64 = getelementptr inbounds i8, ptr %63, i64 7
  %65 = load i8, ptr %64, align 1, !tbaa !11
  %66 = call i64 @unpack_left_shift_u64(i8 noundef zeroext %65, i8 noundef zeroext 24, i8 noundef zeroext -1)
  %67 = load i64, ptr %9, align 8, !tbaa !9
  %68 = or i64 %67, %66
  store i64 %68, ptr %9, align 8, !tbaa !9
  %69 = load ptr, ptr %6, align 8, !tbaa !5
  %70 = getelementptr inbounds i8, ptr %69, i64 8
  %71 = load i8, ptr %70, align 1, !tbaa !11
  %72 = call i64 @unpack_left_shift_u64(i8 noundef zeroext %71, i8 noundef zeroext 32, i8 noundef zeroext -1)
  %73 = load i64, ptr %9, align 8, !tbaa !9
  %74 = or i64 %73, %72
  store i64 %74, ptr %9, align 8, !tbaa !9
  %75 = load ptr, ptr %6, align 8, !tbaa !5
  %76 = getelementptr inbounds i8, ptr %75, i64 9
  %77 = load i8, ptr %76, align 1, !tbaa !11
  %78 = call i64 @unpack_left_shift_u64(i8 noundef zeroext %77, i8 noundef zeroext 40, i8 noundef zeroext -1)
  %79 = load i64, ptr %9, align 8, !tbaa !9
  %80 = or i64 %79, %78
  store i64 %80, ptr %9, align 8, !tbaa !9
  %81 = load ptr, ptr %6, align 8, !tbaa !5
  %82 = getelementptr inbounds i8, ptr %81, i64 10
  %83 = load i8, ptr %82, align 1, !tbaa !11
  %84 = call i64 @unpack_left_shift_u64(i8 noundef zeroext %83, i8 noundef zeroext 48, i8 noundef zeroext -1)
  %85 = load i64, ptr %9, align 8, !tbaa !9
  %86 = or i64 %85, %84
  store i64 %86, ptr %9, align 8, !tbaa !9
  %87 = load ptr, ptr %6, align 8, !tbaa !5
  %88 = getelementptr inbounds i8, ptr %87, i64 11
  %89 = load i8, ptr %88, align 1, !tbaa !11
  %90 = call i64 @unpack_left_shift_u64(i8 noundef zeroext %89, i8 noundef zeroext 56, i8 noundef zeroext -1)
  %91 = load i64, ptr %9, align 8, !tbaa !9
  %92 = or i64 %91, %90
  store i64 %92, ptr %9, align 8, !tbaa !9
  %93 = load ptr, ptr %5, align 8, !tbaa !5
  %94 = getelementptr inbounds %struct.stub_mux_message_t, ptr %93, i32 0, i32 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %94, ptr align 8 %9, i64 8, i1 false)
  br label %121

95:                                               ; preds = %14
  %96 = load ptr, ptr %6, align 8, !tbaa !5
  %97 = getelementptr inbounds i8, ptr %96, i64 4
  %98 = load i8, ptr %97, align 1, !tbaa !11
  %99 = call i32 @unpack_right_shift_u32(i8 noundef zeroext %98, i8 noundef zeroext 0, i8 noundef zeroext -1)
  store i32 %99, ptr %8, align 4, !tbaa !18
  %100 = load ptr, ptr %6, align 8, !tbaa !5
  %101 = getelementptr inbounds i8, ptr %100, i64 5
  %102 = load i8, ptr %101, align 1, !tbaa !11
  %103 = call i32 @unpack_left_shift_u32(i8 noundef zeroext %102, i8 noundef zeroext 8, i8 noundef zeroext -1)
  %104 = load i32, ptr %8, align 4, !tbaa !18
  %105 = or i32 %104, %103
  store i32 %105, ptr %8, align 4, !tbaa !18
  %106 = load ptr, ptr %6, align 8, !tbaa !5
  %107 = getelementptr inbounds i8, ptr %106, i64 6
  %108 = load i8, ptr %107, align 1, !tbaa !11
  %109 = call i32 @unpack_left_shift_u32(i8 noundef zeroext %108, i8 noundef zeroext 16, i8 noundef zeroext -1)
  %110 = load i32, ptr %8, align 4, !tbaa !18
  %111 = or i32 %110, %109
  store i32 %111, ptr %8, align 4, !tbaa !18
  %112 = load ptr, ptr %6, align 8, !tbaa !5
  %113 = getelementptr inbounds i8, ptr %112, i64 7
  %114 = load i8, ptr %113, align 1, !tbaa !11
  %115 = call i32 @unpack_left_shift_u32(i8 noundef zeroext %114, i8 noundef zeroext 24, i8 noundef zeroext -1)
  %116 = load i32, ptr %8, align 4, !tbaa !18
  %117 = or i32 %116, %115
  store i32 %117, ptr %8, align 4, !tbaa !18
  %118 = load ptr, ptr %5, align 8, !tbaa !5
  %119 = getelementptr inbounds %struct.stub_mux_message_t, ptr %118, i32 0, i32 3
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %119, ptr align 4 %8, i64 4, i1 false)
  br label %121

120:                                              ; preds = %14
  br label %121

121:                                              ; preds = %120, %95, %46
  store i32 0, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %122

122:                                              ; preds = %121, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  %123 = load i32, ptr %4, align 4
  ret i32 %123
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { 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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !14, i64 0}
!13 = !{!"stub_mux_message_t", !14, i64 0, !7, i64 4, !15, i64 8, !16, i64 16}
!14 = !{!"int", !7, i64 0}
!15 = !{!"double", !7, i64 0}
!16 = !{!"float", !7, i64 0}
!17 = !{!13, !7, i64 4}
!18 = !{!14, !14, i64 0}


; 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 nounwind uwtable
declare hidden zeroext i8 @unpack_right_shift_u8(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @unpack_left_shift_u32(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @unpack_right_shift_u32(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @unpack_left_shift_u64(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @unpack_right_shift_u64(i8 noundef zeroext, i8 noundef zeroext, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -22, 1) i32 @stub_mux_message_unpack(ptr nocapture noundef %0, ptr nocapture noundef readonly %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = icmp ult i64 %2, 12
  br i1 %4, label %73, label %5

5:                                                ; preds = %3
  %6 = load i8, ptr %1, align 1, !tbaa !5
  %7 = tail call i32 @unpack_right_shift_u32(i8 noundef zeroext %6, i8 noundef zeroext 0, i8 noundef zeroext -1)
  store i32 %7, ptr %0, align 8, !tbaa !8
  %8 = getelementptr inbounds i8, ptr %1, i64 1
  %9 = load i8, ptr %8, align 1, !tbaa !5
  %10 = tail call i32 @unpack_left_shift_u32(i8 noundef zeroext %9, i8 noundef zeroext 8, i8 noundef zeroext -1)
  %11 = load i32, ptr %0, align 8, !tbaa !8
  %12 = or i32 %11, %10
  store i32 %12, ptr %0, align 8, !tbaa !8
  %13 = getelementptr inbounds i8, ptr %1, i64 2
  %14 = load i8, ptr %13, align 1, !tbaa !5
  %15 = tail call i32 @unpack_left_shift_u32(i8 noundef zeroext %14, i8 noundef zeroext 16, i8 noundef zeroext -1)
  %16 = load i32, ptr %0, align 8, !tbaa !8
  %17 = or i32 %16, %15
  store i32 %17, ptr %0, align 8, !tbaa !8
  %18 = getelementptr inbounds i8, ptr %1, i64 3
  %19 = load i8, ptr %18, align 1, !tbaa !5
  %20 = tail call zeroext i8 @unpack_right_shift_u8(i8 noundef zeroext %19, i8 noundef zeroext 0, i8 noundef zeroext -1)
  %21 = getelementptr inbounds i8, ptr %0, i64 4
  store i8 %20, ptr %21, align 4, !tbaa !13
  %22 = load i32, ptr %0, align 8, !tbaa !8
  switch i32 %22, label %73 [
    i32 601, label %23
    i32 602, label %56
  ]

23:                                               ; preds = %5
  %24 = getelementptr inbounds i8, ptr %1, i64 4
  %25 = load i8, ptr %24, align 1, !tbaa !5
  %26 = tail call i64 @unpack_right_shift_u64(i8 noundef zeroext %25, i8 noundef zeroext 0, i8 noundef zeroext -1)
  %27 = getelementptr inbounds i8, ptr %1, i64 5
  %28 = load i8, ptr %27, align 1, !tbaa !5
  %29 = tail call i64 @unpack_left_shift_u64(i8 noundef zeroext %28, i8 noundef zeroext 8, i8 noundef zeroext -1)
  %30 = or i64 %29, %26
  %31 = getelementptr inbounds i8, ptr %1, i64 6
  %32 = load i8, ptr %31, align 1, !tbaa !5
  %33 = tail call i64 @unpack_left_shift_u64(i8 noundef zeroext %32, i8 noundef zeroext 16, i8 noundef zeroext -1)
  %34 = or i64 %30, %33
  %35 = getelementptr inbounds i8, ptr %1, i64 7
  %36 = load i8, ptr %35, align 1, !tbaa !5
  %37 = tail call i64 @unpack_left_shift_u64(i8 noundef zeroext %36, i8 noundef zeroext 24, i8 noundef zeroext -1)
  %38 = or i64 %34, %37
  %39 = getelementptr inbounds i8, ptr %1, i64 8
  %40 = load i8, ptr %39, align 1, !tbaa !5
  %41 = tail call i64 @unpack_left_shift_u64(i8 noundef zeroext %40, i8 noundef zeroext 32, i8 noundef zeroext -1)
  %42 = or i64 %38, %41
  %43 = getelementptr inbounds i8, ptr %1, i64 9
  %44 = load i8, ptr %43, align 1, !tbaa !5
  %45 = tail call i64 @unpack_left_shift_u64(i8 noundef zeroext %44, i8 noundef zeroext 40, i8 noundef zeroext -1)
  %46 = or i64 %42, %45
  %47 = getelementptr inbounds i8, ptr %1, i64 10
  %48 = load i8, ptr %47, align 1, !tbaa !5
  %49 = tail call i64 @unpack_left_shift_u64(i8 noundef zeroext %48, i8 noundef zeroext 48, i8 noundef zeroext -1)
  %50 = or i64 %46, %49
  %51 = getelementptr inbounds i8, ptr %1, i64 11
  %52 = load i8, ptr %51, align 1, !tbaa !5
  %53 = tail call i64 @unpack_left_shift_u64(i8 noundef zeroext %52, i8 noundef zeroext 56, i8 noundef zeroext -1)
  %54 = or i64 %50, %53
  %55 = getelementptr inbounds i8, ptr %0, i64 8
  store i64 %54, ptr %55, align 8
  br label %73

56:                                               ; preds = %5
  %57 = getelementptr inbounds i8, ptr %1, i64 4
  %58 = load i8, ptr %57, align 1, !tbaa !5
  %59 = tail call i32 @unpack_right_shift_u32(i8 noundef zeroext %58, i8 noundef zeroext 0, i8 noundef zeroext -1)
  %60 = getelementptr inbounds i8, ptr %1, i64 5
  %61 = load i8, ptr %60, align 1, !tbaa !5
  %62 = tail call i32 @unpack_left_shift_u32(i8 noundef zeroext %61, i8 noundef zeroext 8, i8 noundef zeroext -1)
  %63 = or i32 %62, %59
  %64 = getelementptr inbounds i8, ptr %1, i64 6
  %65 = load i8, ptr %64, align 1, !tbaa !5
  %66 = tail call i32 @unpack_left_shift_u32(i8 noundef zeroext %65, i8 noundef zeroext 16, i8 noundef zeroext -1)
  %67 = or i32 %63, %66
  %68 = getelementptr inbounds i8, ptr %1, i64 7
  %69 = load i8, ptr %68, align 1, !tbaa !5
  %70 = tail call i32 @unpack_left_shift_u32(i8 noundef zeroext %69, i8 noundef zeroext 24, i8 noundef zeroext -1)
  %71 = or i32 %67, %70
  %72 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 %71, ptr %72, align 8
  br label %73

73:                                               ; preds = %23, %56, %5, %3
  %.0 = phi i32 [ -22, %3 ], [ 0, %5 ], [ 0, %56 ], [ 0, %23 ]
  ret i32 %.0
}

attributes #0 = { inlinehint 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 = { 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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 0}
!9 = !{!"stub_mux_message_t", !10, i64 0, !6, i64 4, !11, i64 8, !12, i64 16}
!10 = !{!"int", !6, i64 0}
!11 = !{!"double", !6, i64 0}
!12 = !{!"float", !6, i64 0}
!13 = !{!9, !6, i64 4}


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