; LLVM IR from ljm941004/HYPERCV_PUBLIC :: modules/process/src/c_src (matrixprocess)

; 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"

; Function Attrs: nounwind uwtable
define dso_local void @MulMatrix_char(ptr noundef %0, ptr noundef %1, ptr noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) #0 {
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  store i32 %3, ptr %10, align 4, !tbaa !9
  store i32 %4, ptr %11, align 4, !tbaa !9
  store i32 %5, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %76, %6
  %18 = load i32, ptr %13, align 4, !tbaa !9
  %19 = load i32, ptr %10, align 4, !tbaa !9
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  store i32 2, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  br label %79

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #2
  store i32 0, ptr %15, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %72, %22
  %24 = load i32, ptr %15, align 4, !tbaa !9
  %25 = load i32, ptr %12, align 4, !tbaa !9
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 5, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #2
  br label %75

28:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #2
  store i32 0, ptr %16, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %68, %28
  %30 = load i32, ptr %16, align 4, !tbaa !9
  %31 = load i32, ptr %11, align 4, !tbaa !9
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  store i32 8, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #2
  br label %71

34:                                               ; preds = %29
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  %36 = load i32, ptr %13, align 4, !tbaa !9
  %37 = load i32, ptr %11, align 4, !tbaa !9
  %38 = mul nsw i32 %36, %37
  %39 = load i32, ptr %16, align 4, !tbaa !9
  %40 = add nsw i32 %38, %39
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds i8, ptr %35, i64 %41
  %43 = load i8, ptr %42, align 1, !tbaa !11
  %44 = sext i8 %43 to i32
  %45 = load ptr, ptr %8, align 8, !tbaa !5
  %46 = load i32, ptr %16, align 4, !tbaa !9
  %47 = load i32, ptr %12, align 4, !tbaa !9
  %48 = mul nsw i32 %46, %47
  %49 = load i32, ptr %15, align 4, !tbaa !9
  %50 = add nsw i32 %48, %49
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds i8, ptr %45, i64 %51
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = sext i8 %53 to i32
  %55 = mul nsw i32 %44, %54
  %56 = load ptr, ptr %9, align 8, !tbaa !5
  %57 = load i32, ptr %13, align 4, !tbaa !9
  %58 = load i32, ptr %12, align 4, !tbaa !9
  %59 = mul nsw i32 %57, %58
  %60 = load i32, ptr %15, align 4, !tbaa !9
  %61 = add nsw i32 %59, %60
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds i8, ptr %56, i64 %62
  %64 = load i8, ptr %63, align 1, !tbaa !11
  %65 = sext i8 %64 to i32
  %66 = add nsw i32 %65, %55
  %67 = trunc i32 %66 to i8
  store i8 %67, ptr %63, align 1, !tbaa !11
  br label %68

68:                                               ; preds = %34
  %69 = load i32, ptr %16, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %16, align 4, !tbaa !9
  br label %29, !llvm.loop !12

71:                                               ; preds = %33
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %15, align 4, !tbaa !9
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %15, align 4, !tbaa !9
  br label %23, !llvm.loop !14

75:                                               ; preds = %27
  br label %76

76:                                               ; preds = %75
  %77 = load i32, ptr %13, align 4, !tbaa !9
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %13, align 4, !tbaa !9
  br label %17, !llvm.loop !15

79:                                               ; preds = %21
  ret void
}

; 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

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


; 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: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local void @MulMatrix_char(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) local_unnamed_addr #0 {
  %7 = icmp sgt i32 %3, 0
  %8 = icmp sgt i32 %5, 0
  %or.cond = and i1 %7, %8
  %9 = icmp sgt i32 %4, 0
  %or.cond49 = and i1 %or.cond, %9
  br i1 %or.cond49, label %.preheader24.us.us.preheader, label %._crit_edge

.preheader24.us.us.preheader:                     ; preds = %6
  %10 = zext nneg i32 %5 to i64
  %11 = zext nneg i32 %4 to i64
  %wide.trip.count43 = zext nneg i32 %3 to i64
  %12 = getelementptr i8, ptr %1, i64 %10
  %13 = getelementptr i8, ptr %12, i64 %11
  %scevgep53 = getelementptr i8, ptr %13, i64 -1
  %invariant.gep76 = getelementptr i8, ptr %2, i64 %10
  %invariant.gep78 = getelementptr i8, ptr %0, i64 %11
  %min.iters.check = icmp ugt i32 %4, 7
  %ident.check.not = icmp eq i32 %5, 1
  %or.cond71 = and i1 %min.iters.check, %ident.check.not
  %min.iters.check57 = icmp ult i32 %4, 32
  %n.vec = and i64 %11, 2147483616
  %cmp.n = icmp eq i64 %n.vec, %11
  %n.vec.remaining = and i64 %11, 24
  %min.epilog.iters.check = icmp eq i64 %n.vec.remaining, 0
  %n.vec63 = and i64 %11, 2147483640
  %cmp.n69 = icmp eq i64 %n.vec63, %11
  %xtraiter = and i64 %11, 1
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  %14 = add nsw i64 %11, -1
  br label %.preheader24.us.us

.preheader24.us.us:                               ; preds = %.preheader24.us.us.preheader, %._crit_edge27.split.us.us.us
  %indvars.iv40 = phi i64 [ 0, %.preheader24.us.us.preheader ], [ %indvars.iv.next41, %._crit_edge27.split.us.us.us ]
  %15 = mul i64 %indvars.iv40, %10
  %scevgep = getelementptr i8, ptr %2, i64 %15
  %gep77 = getelementptr i8, ptr %invariant.gep76, i64 %15
  %16 = mul i64 %indvars.iv40, %11
  %scevgep51 = getelementptr i8, ptr %0, i64 %16
  %gep79 = getelementptr i8, ptr %invariant.gep78, i64 %16
  %17 = mul nuw nsw i64 %indvars.iv40, %11
  %18 = mul nuw nsw i64 %indvars.iv40, %10
  %invariant.gep47 = getelementptr inbounds i8, ptr %2, i64 %18
  %invariant.gep = getelementptr inbounds i8, ptr %0, i64 %17
  %bound0 = icmp ult ptr %scevgep, %gep79
  %bound1 = icmp ult ptr %scevgep51, %gep77
  %found.conflict = and i1 %bound0, %bound1
  %bound054 = icmp ult ptr %scevgep, %scevgep53
  %bound155 = icmp ugt ptr %gep77, %1
  %found.conflict56 = and i1 %bound054, %bound155
  %conflict.rdx = or i1 %found.conflict, %found.conflict56
  br label %iter.check

iter.check:                                       ; preds = %._crit_edge.us.us.us, %.preheader24.us.us
  %indvars.iv35 = phi i64 [ %indvars.iv.next36, %._crit_edge.us.us.us ], [ 0, %.preheader24.us.us ]
  %gep48 = getelementptr inbounds i8, ptr %invariant.gep47, i64 %indvars.iv35
  %.promoted.us.us.us = load i8, ptr %gep48, align 1, !tbaa !5
  %invariant.gep45 = getelementptr inbounds i8, ptr %1, i64 %indvars.iv35
  %or.cond71.not = xor i1 %or.cond71, true
  %brmerge = select i1 %or.cond71.not, i1 true, i1 %conflict.rdx
  br i1 %brmerge, label %vec.epilog.scalar.ph.preheader, label %vector.main.loop.iter.check

vector.main.loop.iter.check:                      ; preds = %iter.check
  br i1 %min.iters.check57, label %vec.epilog.ph, label %vector.ph

vector.ph:                                        ; preds = %vector.main.loop.iter.check
  %19 = insertelement <16 x i8> <i8 poison, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, i8 %.promoted.us.us.us, i64 0
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <16 x i8> [ %19, %vector.ph ], [ %26, %vector.body ]
  %vec.phi58 = phi <16 x i8> [ zeroinitializer, %vector.ph ], [ %27, %vector.body ]
  %20 = getelementptr inbounds i8, ptr %invariant.gep, i64 %index
  %21 = getelementptr inbounds i8, ptr %20, i64 16
  %wide.load = load <16 x i8>, ptr %20, align 1, !tbaa !5, !alias.scope !8
  %wide.load59 = load <16 x i8>, ptr %21, align 1, !tbaa !5, !alias.scope !8
  %22 = getelementptr inbounds i8, ptr %invariant.gep45, i64 %index
  %23 = getelementptr inbounds i8, ptr %22, i64 16
  %wide.load60 = load <16 x i8>, ptr %22, align 1, !tbaa !5, !alias.scope !11
  %wide.load61 = load <16 x i8>, ptr %23, align 1, !tbaa !5, !alias.scope !11
  %24 = mul <16 x i8> %wide.load60, %wide.load
  %25 = mul <16 x i8> %wide.load61, %wide.load59
  %26 = add <16 x i8> %24, %vec.phi
  %27 = add <16 x i8> %25, %vec.phi58
  %index.next = add nuw i64 %index, 32
  %28 = icmp eq i64 %index.next, %n.vec
  br i1 %28, label %middle.block, label %vector.body, !llvm.loop !13

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <16 x i8> %27, %26
  %29 = tail call i8 @llvm.vector.reduce.add.v16i8(<16 x i8> %bin.rdx)
  store i8 %29, ptr %gep48, align 1, !tbaa !5
  br i1 %cmp.n, label %._crit_edge.us.us.us, label %vec.epilog.iter.check

vec.epilog.iter.check:                            ; preds = %middle.block
  br i1 %min.epilog.iters.check, label %vec.epilog.scalar.ph.preheader, label %vec.epilog.ph

vec.epilog.ph:                                    ; preds = %vector.main.loop.iter.check, %vec.epilog.iter.check
  %bc.merge.rdx = phi i8 [ %29, %vec.epilog.iter.check ], [ %.promoted.us.us.us, %vector.main.loop.iter.check ]
  %vec.epilog.resume.val = phi i64 [ %n.vec, %vec.epilog.iter.check ], [ 0, %vector.main.loop.iter.check ]
  %30 = insertelement <8 x i8> <i8 poison, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, i8 %bc.merge.rdx, i64 0
  br label %vec.epilog.vector.body

vec.epilog.vector.body:                           ; preds = %vec.epilog.vector.body, %vec.epilog.ph
  %index64 = phi i64 [ %vec.epilog.resume.val, %vec.epilog.ph ], [ %index.next68, %vec.epilog.vector.body ]
  %vec.phi65 = phi <8 x i8> [ %30, %vec.epilog.ph ], [ %34, %vec.epilog.vector.body ]
  %31 = getelementptr inbounds i8, ptr %invariant.gep, i64 %index64
  %wide.load66 = load <8 x i8>, ptr %31, align 1, !tbaa !5, !alias.scope !17
  %32 = getelementptr inbounds i8, ptr %invariant.gep45, i64 %index64
  %wide.load67 = load <8 x i8>, ptr %32, align 1, !tbaa !5, !alias.scope !20
  %33 = mul <8 x i8> %wide.load67, %wide.load66
  %34 = add <8 x i8> %33, %vec.phi65
  %index.next68 = add nuw i64 %index64, 8
  %35 = icmp eq i64 %index.next68, %n.vec63
  br i1 %35, label %vec.epilog.middle.block, label %vec.epilog.vector.body, !llvm.loop !22

vec.epilog.middle.block:                          ; preds = %vec.epilog.vector.body
  %36 = tail call i8 @llvm.vector.reduce.add.v8i8(<8 x i8> %34)
  store i8 %36, ptr %gep48, align 1, !tbaa !5
  br i1 %cmp.n69, label %._crit_edge.us.us.us, label %vec.epilog.scalar.ph.preheader

vec.epilog.scalar.ph.preheader:                   ; preds = %iter.check, %vec.epilog.middle.block, %vec.epilog.iter.check
  %indvars.iv.ph = phi i64 [ 0, %iter.check ], [ %n.vec, %vec.epilog.iter.check ], [ %n.vec63, %vec.epilog.middle.block ]
  %.ph = phi i8 [ %.promoted.us.us.us, %iter.check ], [ %29, %vec.epilog.iter.check ], [ %36, %vec.epilog.middle.block ]
  br i1 %lcmp.mod.not, label %vec.epilog.scalar.ph.prol.loopexit, label %vec.epilog.scalar.ph.prol

vec.epilog.scalar.ph.prol:                        ; preds = %vec.epilog.scalar.ph.preheader
  %gep.prol = getelementptr inbounds i8, ptr %invariant.gep, i64 %indvars.iv.ph
  %37 = load i8, ptr %gep.prol, align 1, !tbaa !5
  %38 = mul nuw nsw i64 %indvars.iv.ph, %10
  %gep46.prol = getelementptr inbounds i8, ptr %invariant.gep45, i64 %38
  %39 = load i8, ptr %gep46.prol, align 1, !tbaa !5
  %40 = mul i8 %39, %37
  %41 = add i8 %40, %.ph
  store i8 %41, ptr %gep48, align 1, !tbaa !5
  %indvars.iv.next.prol = or disjoint i64 %indvars.iv.ph, 1
  br label %vec.epilog.scalar.ph.prol.loopexit

vec.epilog.scalar.ph.prol.loopexit:               ; preds = %vec.epilog.scalar.ph.prol, %vec.epilog.scalar.ph.preheader
  %indvars.iv.unr = phi i64 [ %indvars.iv.ph, %vec.epilog.scalar.ph.preheader ], [ %indvars.iv.next.prol, %vec.epilog.scalar.ph.prol ]
  %.unr = phi i8 [ %.ph, %vec.epilog.scalar.ph.preheader ], [ %41, %vec.epilog.scalar.ph.prol ]
  %42 = icmp eq i64 %indvars.iv.ph, %14
  br i1 %42, label %._crit_edge.us.us.us, label %vec.epilog.scalar.ph

vec.epilog.scalar.ph:                             ; preds = %vec.epilog.scalar.ph.prol.loopexit, %vec.epilog.scalar.ph
  %indvars.iv = phi i64 [ %indvars.iv.next.1, %vec.epilog.scalar.ph ], [ %indvars.iv.unr, %vec.epilog.scalar.ph.prol.loopexit ]
  %43 = phi i8 [ %53, %vec.epilog.scalar.ph ], [ %.unr, %vec.epilog.scalar.ph.prol.loopexit ]
  %gep = getelementptr inbounds i8, ptr %invariant.gep, i64 %indvars.iv
  %44 = load i8, ptr %gep, align 1, !tbaa !5
  %45 = mul nuw nsw i64 %indvars.iv, %10
  %gep46 = getelementptr inbounds i8, ptr %invariant.gep45, i64 %45
  %46 = load i8, ptr %gep46, align 1, !tbaa !5
  %47 = mul i8 %46, %44
  %48 = add i8 %47, %43
  store i8 %48, ptr %gep48, align 1, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %gep.1 = getelementptr inbounds i8, ptr %invariant.gep, i64 %indvars.iv.next
  %49 = load i8, ptr %gep.1, align 1, !tbaa !5
  %50 = mul nuw nsw i64 %indvars.iv.next, %10
  %gep46.1 = getelementptr inbounds i8, ptr %invariant.gep45, i64 %50
  %51 = load i8, ptr %gep46.1, align 1, !tbaa !5
  %52 = mul i8 %51, %49
  %53 = add i8 %52, %48
  store i8 %53, ptr %gep48, align 1, !tbaa !5
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %exitcond.not.1 = icmp eq i64 %indvars.iv.next.1, %11
  br i1 %exitcond.not.1, label %._crit_edge.us.us.us, label %vec.epilog.scalar.ph, !llvm.loop !23

._crit_edge.us.us.us:                             ; preds = %vec.epilog.scalar.ph.prol.loopexit, %vec.epilog.scalar.ph, %vec.epilog.middle.block, %middle.block
  %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1
  %exitcond39.not = icmp eq i64 %indvars.iv.next36, %10
  br i1 %exitcond39.not, label %._crit_edge27.split.us.us.us, label %iter.check, !llvm.loop !24

._crit_edge27.split.us.us.us:                     ; preds = %._crit_edge.us.us.us
  %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1
  %exitcond44.not = icmp eq i64 %indvars.iv.next41, %wide.trip.count43
  br i1 %exitcond44.not, label %._crit_edge, label %.preheader24.us.us, !llvm.loop !25

._crit_edge:                                      ; preds = %._crit_edge27.split.us.us.us, %6
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.vector.reduce.add.v16i8(<16 x i8>) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.vector.reduce.add.v8i8(<8 x i8>) #1

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: readwrite) 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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}
!9 = distinct !{!9, !10}
!10 = distinct !{!10, !"LVerDomain"}
!11 = !{!12}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !14, !15, !16}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!"llvm.loop.isvectorized", i32 1}
!16 = !{!"llvm.loop.unroll.runtime.disable"}
!17 = !{!18}
!18 = distinct !{!18, !19}
!19 = distinct !{!19, !"LVerDomain"}
!20 = !{!21}
!21 = distinct !{!21, !19}
!22 = distinct !{!22, !14, !15, !16}
!23 = distinct !{!23, !14, !15}
!24 = distinct !{!24, !14}
!25 = distinct !{!25, !14}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass