; LLVM IR from ESPboy-edu/ESPboy_tinyphysicsengine :: programs (hello)

; 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.TPE_Vec3 = type { i32, i32, i32 }
%struct.TPE_Body = type { ptr, i8, ptr, i8, i16, i16, i16, i8, i8 }
%struct.TPE_Joint = type { %struct.TPE_Vec3, [3 x i16], i8 }

; 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) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Minus(i64, i32, i64, i32) #2

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Plus(i64, i32, i64, i32) #2

; Function Attrs: nounwind uwtable
define dso_local void @TPE_bodySpinWithCenter(ptr noundef %0, i64 %1, i32 %2, i64 %3, i32 %4) #2 {
  %6 = alloca %struct.TPE_Vec3, align 4
  %7 = alloca { i64, i32 }, align 4
  %8 = alloca %struct.TPE_Vec3, align 4
  %9 = alloca { i64, i32 }, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i16, align 2
  %12 = alloca ptr, align 8
  %13 = alloca %struct.TPE_Vec3, align 4
  %14 = alloca { i64, i32 }, align 4
  %15 = alloca { i64, i32 }, align 4
  %16 = alloca { i64, i32 }, align 8
  %17 = alloca %struct.TPE_Vec3, align 4
  %18 = alloca { i64, i32 }, align 4
  %19 = alloca { i64, i32 }, align 4
  %20 = alloca { i64, i32 }, align 8
  %21 = alloca %struct.TPE_Vec3, align 4
  %22 = alloca { i64, i32 }, align 4
  %23 = alloca { i64, i32 }, align 4
  %24 = alloca { i64, i32 }, align 8
  %25 = alloca %struct.TPE_Vec3, align 4
  %26 = alloca { i64, i32 }, align 4
  %27 = alloca { i64, i32 }, align 4
  %28 = alloca { i64, i32 }, align 8
  %29 = alloca %struct.TPE_Vec3, align 4
  %30 = alloca { i64, i32 }, align 4
  %31 = alloca { i64, i32 }, align 4
  %32 = alloca { i64, i32 }, align 8
  %33 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 0
  store i64 %1, ptr %33, align 4
  %34 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 1
  store i32 %2, ptr %34, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %7, i64 12, i1 false)
  %35 = getelementptr inbounds { i64, i32 }, ptr %9, i32 0, i32 0
  store i64 %3, ptr %35, align 4
  %36 = getelementptr inbounds { i64, i32 }, ptr %9, i32 0, i32 1
  store i32 %4, ptr %36, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 %9, i64 12, i1 false)
  store ptr %0, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %11) #3
  store i16 0, ptr %11, align 2, !tbaa !9
  br label %37

37:                                               ; preds = %130, %5
  %38 = load i16, ptr %11, align 2, !tbaa !9
  %39 = zext i16 %38 to i32
  %40 = load ptr, ptr %10, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.TPE_Body, ptr %40, i32 0, i32 1
  %42 = load i8, ptr %41, align 8, !tbaa !11
  %43 = zext i8 %42 to i32
  %44 = icmp slt i32 %39, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 2, ptr %11) #3
  br label %133

46:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %47 = load ptr, ptr %10, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.TPE_Body, ptr %47, i32 0, i32 0
  %49 = load ptr, ptr %48, align 8, !tbaa !13
  %50 = load i16, ptr %11, align 2, !tbaa !9
  %51 = zext i16 %50 to i32
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds %struct.TPE_Joint, ptr %49, i64 %52
  store ptr %53, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr %13) #3
  %54 = load ptr, ptr %12, align 8, !tbaa !5
  %55 = getelementptr inbounds %struct.TPE_Joint, ptr %54, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %14, ptr align 4 %55, i64 12, i1 false)
  %56 = getelementptr inbounds { i64, i32 }, ptr %14, i32 0, i32 0
  %57 = load i64, ptr %56, align 4
  %58 = getelementptr inbounds { i64, i32 }, ptr %14, i32 0, i32 1
  %59 = load i32, ptr %58, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 4 %8, i64 12, i1 false)
  %60 = getelementptr inbounds { i64, i32 }, ptr %15, i32 0, i32 0
  %61 = load i64, ptr %60, align 4
  %62 = getelementptr inbounds { i64, i32 }, ptr %15, i32 0, i32 1
  %63 = load i32, ptr %62, align 4
  %64 = call { i64, i32 } @TPE_vec3Minus(i64 %57, i32 %59, i64 %61, i32 %63)
  store { i64, i32 } %64, ptr %16, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 8 %16, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 12, ptr %17) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %18, ptr align 4 %13, i64 12, i1 false)
  %65 = getelementptr inbounds { i64, i32 }, ptr %18, i32 0, i32 0
  %66 = load i64, ptr %65, align 4
  %67 = getelementptr inbounds { i64, i32 }, ptr %18, i32 0, i32 1
  %68 = load i32, ptr %67, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %19, ptr align 4 %6, i64 12, i1 false)
  %69 = getelementptr inbounds { i64, i32 }, ptr %19, i32 0, i32 0
  %70 = load i64, ptr %69, align 4
  %71 = getelementptr inbounds { i64, i32 }, ptr %19, i32 0, i32 1
  %72 = load i32, ptr %71, align 4
  %73 = call { i64, i32 } @TPE_vec3Project(i64 %66, i32 %68, i64 %70, i32 %72)
  store { i64, i32 } %73, ptr %20, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 8 %20, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %17, i64 12, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 12, ptr %17) #3
  call void @llvm.lifetime.start.p0(i64 12, ptr %21) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %22, ptr align 4 %8, i64 12, i1 false)
  %74 = getelementptr inbounds { i64, i32 }, ptr %22, i32 0, i32 0
  %75 = load i64, ptr %74, align 4
  %76 = getelementptr inbounds { i64, i32 }, ptr %22, i32 0, i32 1
  %77 = load i32, ptr %76, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %23, ptr align 4 %13, i64 12, i1 false)
  %78 = getelementptr inbounds { i64, i32 }, ptr %23, i32 0, i32 0
  %79 = load i64, ptr %78, align 4
  %80 = getelementptr inbounds { i64, i32 }, ptr %23, i32 0, i32 1
  %81 = load i32, ptr %80, align 4
  %82 = call { i64, i32 } @TPE_vec3Plus(i64 %75, i32 %77, i64 %79, i32 %81)
  store { i64, i32 } %82, ptr %24, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %21, ptr align 8 %24, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %21, i64 12, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 12, ptr %21) #3
  call void @llvm.lifetime.start.p0(i64 12, ptr %25) #3
  %83 = load ptr, ptr %12, align 8, !tbaa !5
  %84 = getelementptr inbounds %struct.TPE_Joint, ptr %83, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %26, ptr align 4 %84, i64 12, i1 false)
  %85 = getelementptr inbounds { i64, i32 }, ptr %26, i32 0, i32 0
  %86 = load i64, ptr %85, align 4
  %87 = getelementptr inbounds { i64, i32 }, ptr %26, i32 0, i32 1
  %88 = load i32, ptr %87, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %27, ptr align 4 %13, i64 12, i1 false)
  %89 = getelementptr inbounds { i64, i32 }, ptr %27, i32 0, i32 0
  %90 = load i64, ptr %89, align 4
  %91 = getelementptr inbounds { i64, i32 }, ptr %27, i32 0, i32 1
  %92 = load i32, ptr %91, align 4
  %93 = call { i64, i32 } @TPE_vec3Minus(i64 %86, i32 %88, i64 %90, i32 %92)
  store { i64, i32 } %93, ptr %28, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %25, ptr align 8 %28, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %25, i64 12, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 12, ptr %25) #3
  call void @llvm.lifetime.start.p0(i64 12, ptr %29) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %30, ptr align 4 %13, i64 12, i1 false)
  %94 = getelementptr inbounds { i64, i32 }, ptr %30, i32 0, i32 0
  %95 = load i64, ptr %94, align 4
  %96 = getelementptr inbounds { i64, i32 }, ptr %30, i32 0, i32 1
  %97 = load i32, ptr %96, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %31, ptr align 4 %6, i64 12, i1 false)
  %98 = getelementptr inbounds { i64, i32 }, ptr %31, i32 0, i32 0
  %99 = load i64, ptr %98, align 4
  %100 = getelementptr inbounds { i64, i32 }, ptr %31, i32 0, i32 1
  %101 = load i32, ptr %100, align 4
  %102 = call { i64, i32 } @TPE_vec3Cross(i64 %95, i32 %97, i64 %99, i32 %101)
  store { i64, i32 } %102, ptr %32, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %29, ptr align 8 %32, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %29, i64 12, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 12, ptr %29) #3
  %103 = getelementptr inbounds %struct.TPE_Vec3, ptr %13, i32 0, i32 0
  %104 = load i32, ptr %103, align 4, !tbaa !17
  %105 = load ptr, ptr %12, align 8, !tbaa !5
  %106 = getelementptr inbounds %struct.TPE_Joint, ptr %105, i32 0, i32 1
  %107 = getelementptr inbounds [3 x i16], ptr %106, i64 0, i64 0
  %108 = load i16, ptr %107, align 4, !tbaa !9
  %109 = sext i16 %108 to i32
  %110 = add nsw i32 %109, %104
  %111 = trunc i32 %110 to i16
  store i16 %111, ptr %107, align 4, !tbaa !9
  %112 = getelementptr inbounds %struct.TPE_Vec3, ptr %13, i32 0, i32 1
  %113 = load i32, ptr %112, align 4, !tbaa !19
  %114 = load ptr, ptr %12, align 8, !tbaa !5
  %115 = getelementptr inbounds %struct.TPE_Joint, ptr %114, i32 0, i32 1
  %116 = getelementptr inbounds [3 x i16], ptr %115, i64 0, i64 1
  %117 = load i16, ptr %116, align 2, !tbaa !9
  %118 = sext i16 %117 to i32
  %119 = add nsw i32 %118, %113
  %120 = trunc i32 %119 to i16
  store i16 %120, ptr %116, align 2, !tbaa !9
  %121 = getelementptr inbounds %struct.TPE_Vec3, ptr %13, i32 0, i32 2
  %122 = load i32, ptr %121, align 4, !tbaa !20
  %123 = load ptr, ptr %12, align 8, !tbaa !5
  %124 = getelementptr inbounds %struct.TPE_Joint, ptr %123, i32 0, i32 1
  %125 = getelementptr inbounds [3 x i16], ptr %124, i64 0, i64 2
  %126 = load i16, ptr %125, align 4, !tbaa !9
  %127 = sext i16 %126 to i32
  %128 = add nsw i32 %127, %122
  %129 = trunc i32 %128 to i16
  store i16 %129, ptr %125, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 12, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  br label %130

130:                                              ; preds = %46
  %131 = load i16, ptr %11, align 2, !tbaa !9
  %132 = add i16 %131, 1
  store i16 %132, ptr %11, align 2, !tbaa !9
  br label %37, !llvm.loop !21

133:                                              ; preds = %45
  ret void
}

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Project(i64, i32, i64, i32) #2

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Cross(i64, i32, i64, i32) #2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = !{!12, !7, i64 8}
!12 = !{!"", !6, i64 0, !7, i64 8, !6, i64 16, !7, i64 24, !10, i64 26, !10, i64 28, !10, i64 30, !7, i64 32, !7, i64 33}
!13 = !{!12, !6, i64 0}
!14 = !{i64 0, i64 4, !15, i64 4, i64 4, !15, i64 8, i64 4, !15}
!15 = !{!16, !16, i64 0}
!16 = !{!"int", !7, i64 0}
!17 = !{!18, !16, i64 0}
!18 = !{!"", !16, i64 0, !16, i64 4, !16, i64 8}
!19 = !{!18, !16, i64 4}
!20 = !{!18, !16, i64 8}
!21 = distinct !{!21, !22}
!22 = !{!"llvm.loop.mustprogress"}


; 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.TPE_Joint = type { %struct.TPE_Vec3, [3 x i16], i8 }
%struct.TPE_Vec3 = type { i32, i32, i32 }

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Minus(i64, i32, i64, i32) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Plus(i64, i32, i64, i32) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @TPE_bodySpinWithCenter(ptr nocapture noundef readonly %0, i64 %1, i32 %2, i64 %3, i32 %4) local_unnamed_addr #0 {
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load i8, ptr %6, align 8, !tbaa !5
  %.not = icmp eq i8 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %5
  ret void

.lr.ph:                                           ; preds = %5, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %5 ]
  %8 = load ptr, ptr %0, align 8, !tbaa !11
  %9 = getelementptr inbounds %struct.TPE_Joint, ptr %8, i64 %indvars.iv
  %.sroa.042.0.copyload = load i64, ptr %9, align 4
  %.sroa.243.0..sroa_idx = getelementptr inbounds i8, ptr %9, i64 8
  %.sroa.243.0.copyload = load i32, ptr %.sroa.243.0..sroa_idx, align 4
  %10 = tail call { i64, i32 } @TPE_vec3Minus(i64 %.sroa.042.0.copyload, i32 %.sroa.243.0.copyload, i64 %3, i32 %4)
  %.fca.0.extract36 = extractvalue { i64, i32 } %10, 0
  %.fca.1.extract37 = extractvalue { i64, i32 } %10, 1
  %11 = tail call { i64, i32 } @TPE_vec3Project(i64 %.fca.0.extract36, i32 %.fca.1.extract37, i64 %1, i32 %2)
  %.fca.0.extract26 = extractvalue { i64, i32 } %11, 0
  %.fca.1.extract27 = extractvalue { i64, i32 } %11, 1
  %12 = tail call { i64, i32 } @TPE_vec3Plus(i64 %3, i32 %4, i64 %.fca.0.extract26, i32 %.fca.1.extract27)
  %.fca.0.extract16 = extractvalue { i64, i32 } %12, 0
  %.fca.1.extract17 = extractvalue { i64, i32 } %12, 1
  %.sroa.012.0.copyload = load i64, ptr %9, align 4
  %.sroa.213.0.copyload = load i32, ptr %.sroa.243.0..sroa_idx, align 4
  %13 = tail call { i64, i32 } @TPE_vec3Minus(i64 %.sroa.012.0.copyload, i32 %.sroa.213.0.copyload, i64 %.fca.0.extract16, i32 %.fca.1.extract17)
  %.fca.0.extract6 = extractvalue { i64, i32 } %13, 0
  %.fca.1.extract7 = extractvalue { i64, i32 } %13, 1
  %14 = tail call { i64, i32 } @TPE_vec3Cross(i64 %.fca.0.extract6, i32 %.fca.1.extract7, i64 %1, i32 %2)
  %.fca.0.extract = extractvalue { i64, i32 } %14, 0
  %.fca.1.extract = extractvalue { i64, i32 } %14, 1
  %15 = getelementptr inbounds i8, ptr %9, i64 12
  %.sroa.044.4.extract.shift = lshr i64 %.fca.0.extract, 32
  %16 = trunc i64 %.fca.0.extract to i16
  %17 = insertelement <2 x i16> poison, i16 %16, i64 0
  %18 = trunc i64 %.sroa.044.4.extract.shift to i16
  %19 = insertelement <2 x i16> %17, i16 %18, i64 1
  %20 = load <2 x i16>, ptr %15, align 4, !tbaa !12
  %21 = add <2 x i16> %20, %19
  store <2 x i16> %21, ptr %15, align 4, !tbaa !12
  %22 = getelementptr inbounds i8, ptr %9, i64 16
  %23 = load i16, ptr %22, align 4, !tbaa !12
  %24 = trunc i32 %.fca.1.extract to i16
  %25 = add i16 %23, %24
  store i16 %25, ptr %22, align 4, !tbaa !12
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %26 = load i8, ptr %6, align 8, !tbaa !5
  %27 = zext i8 %26 to i64
  %28 = icmp ult i64 %indvars.iv.next, %27
  br i1 %28, label %.lr.ph, label %._crit_edge, !llvm.loop !13
}

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Project(i64, i32, i64, i32) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local { i64, i32 } @TPE_vec3Cross(i64, i32, i64, i32) local_unnamed_addr #0

attributes #0 = { 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, !8, i64 8}
!6 = !{!"", !7, i64 0, !8, i64 8, !7, i64 16, !8, i64 24, !10, i64 26, !10, i64 28, !10, i64 30, !8, i64 32, !8, i64 33}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!10, !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SCCPPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass