; LLVM IR from evanxg852000/rockstartdev :: mastering-ds-in-c/c-src/examples/encrypt (ex-2)

; 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"

@stdout = external global ptr, align 8
@.str = external hidden unnamed_addr constant [34 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [49 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [62 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [65 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca [1000 x i8], align 16
  %7 = alloca [1000 x i8], align 16
  %8 = alloca [1000 x i8], align 16
  %9 = alloca [8 x i8], align 1
  %10 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1000, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 1000, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 1000, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %11 = load ptr, ptr @stdout, align 8, !tbaa !9
  %12 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %11, ptr noundef @.str) #4
  %13 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 0
  store i8 1, ptr %13, align 1, !tbaa !11
  %14 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 1
  store i8 -15, ptr %14, align 1, !tbaa !11
  %15 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 2
  store i8 35, ptr %15, align 1, !tbaa !11
  %16 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 3
  store i8 74, ptr %16, align 1, !tbaa !11
  %17 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 4
  store i8 31, ptr %17, align 1, !tbaa !11
  %18 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 5
  store i8 34, ptr %18, align 1, !tbaa !11
  %19 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 6
  store i8 0, ptr %19, align 1, !tbaa !11
  %20 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 7
  store i8 -18, ptr %20, align 1, !tbaa !11
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %32, %2
  %22 = load i32, ptr %10, align 4, !tbaa !5
  %23 = icmp slt i32 %22, 1000
  br i1 %23, label %24, label %35

24:                                               ; preds = %21
  %25 = load i32, ptr %10, align 4, !tbaa !5
  %26 = mul nsw i32 %25, 23
  %27 = srem i32 %26, 256
  %28 = trunc i32 %27 to i8
  %29 = load i32, ptr %10, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [1000 x i8], ptr %6, i64 0, i64 %30
  store i8 %28, ptr %31, align 1, !tbaa !11
  br label %32

32:                                               ; preds = %24
  %33 = load i32, ptr %10, align 4, !tbaa !5
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %10, align 4, !tbaa !5
  br label %21, !llvm.loop !12

35:                                               ; preds = %21
  %36 = getelementptr inbounds [1000 x i8], ptr %6, i64 0, i64 0
  %37 = getelementptr inbounds [1000 x i8], ptr %8, i64 0, i64 0
  %38 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 0
  call void @cbc_encipher(ptr noundef %36, ptr noundef %37, ptr noundef %38, i32 noundef 1000)
  %39 = getelementptr inbounds [1000 x i8], ptr %8, i64 0, i64 0
  %40 = getelementptr inbounds [1000 x i8], ptr %7, i64 0, i64 0
  %41 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 0
  call void @cbc_decipher(ptr noundef %39, ptr noundef %40, ptr noundef %41, i32 noundef 1000)
  %42 = load ptr, ptr @stdout, align 8, !tbaa !9
  %43 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 0
  %44 = load i8, ptr %43, align 1, !tbaa !11
  %45 = zext i8 %44 to i32
  %46 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 1
  %47 = load i8, ptr %46, align 1, !tbaa !11
  %48 = zext i8 %47 to i32
  %49 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 2
  %50 = load i8, ptr %49, align 1, !tbaa !11
  %51 = zext i8 %50 to i32
  %52 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 3
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = zext i8 %53 to i32
  %55 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 4
  %56 = load i8, ptr %55, align 1, !tbaa !11
  %57 = zext i8 %56 to i32
  %58 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 5
  %59 = load i8, ptr %58, align 1, !tbaa !11
  %60 = zext i8 %59 to i32
  %61 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 6
  %62 = load i8, ptr %61, align 1, !tbaa !11
  %63 = zext i8 %62 to i32
  %64 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 7
  %65 = load i8, ptr %64, align 1, !tbaa !11
  %66 = zext i8 %65 to i32
  %67 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %42, ptr noundef @.str.1, i32 noundef %45, i32 noundef %48, i32 noundef %51, i32 noundef %54, i32 noundef %57, i32 noundef %60, i32 noundef %63, i32 noundef %66) #4
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %68

68:                                               ; preds = %126, %35
  %69 = load i32, ptr %10, align 4, !tbaa !5
  %70 = icmp slt i32 %69, 1000
  br i1 %70, label %71, label %129

71:                                               ; preds = %68
  %72 = load i32, ptr %10, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [1000 x i8], ptr %6, i64 0, i64 %73
  %75 = load i8, ptr %74, align 1, !tbaa !11
  %76 = zext i8 %75 to i32
  %77 = load i32, ptr %10, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [1000 x i8], ptr %7, i64 0, i64 %78
  %80 = load i8, ptr %79, align 1, !tbaa !11
  %81 = zext i8 %80 to i32
  %82 = icmp eq i32 %76, %81
  br i1 %82, label %83, label %104

83:                                               ; preds = %71
  %84 = load ptr, ptr @stdout, align 8, !tbaa !9
  %85 = load i32, ptr %10, align 4, !tbaa !5
  %86 = load i32, ptr %10, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = getelementptr inbounds [1000 x i8], ptr %6, i64 0, i64 %87
  %89 = load i8, ptr %88, align 1, !tbaa !11
  %90 = zext i8 %89 to i32
  %91 = load i32, ptr %10, align 4, !tbaa !5
  %92 = load i32, ptr %10, align 4, !tbaa !5
  %93 = sext i32 %92 to i64
  %94 = getelementptr inbounds [1000 x i8], ptr %8, i64 0, i64 %93
  %95 = load i8, ptr %94, align 1, !tbaa !11
  %96 = zext i8 %95 to i32
  %97 = load i32, ptr %10, align 4, !tbaa !5
  %98 = load i32, ptr %10, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [1000 x i8], ptr %7, i64 0, i64 %99
  %101 = load i8, ptr %100, align 1, !tbaa !11
  %102 = zext i8 %101 to i32
  %103 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %84, ptr noundef @.str.2, i32 noundef %85, i32 noundef %90, i32 noundef %91, i32 noundef %96, i32 noundef %97, i32 noundef %102) #4
  br label %125

104:                                              ; preds = %71
  %105 = load ptr, ptr @stdout, align 8, !tbaa !9
  %106 = load i32, ptr %10, align 4, !tbaa !5
  %107 = load i32, ptr %10, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = getelementptr inbounds [1000 x i8], ptr %6, i64 0, i64 %108
  %110 = load i8, ptr %109, align 1, !tbaa !11
  %111 = zext i8 %110 to i32
  %112 = load i32, ptr %10, align 4, !tbaa !5
  %113 = load i32, ptr %10, align 4, !tbaa !5
  %114 = sext i32 %113 to i64
  %115 = getelementptr inbounds [1000 x i8], ptr %8, i64 0, i64 %114
  %116 = load i8, ptr %115, align 1, !tbaa !11
  %117 = zext i8 %116 to i32
  %118 = load i32, ptr %10, align 4, !tbaa !5
  %119 = load i32, ptr %10, align 4, !tbaa !5
  %120 = sext i32 %119 to i64
  %121 = getelementptr inbounds [1000 x i8], ptr %7, i64 0, i64 %120
  %122 = load i8, ptr %121, align 1, !tbaa !11
  %123 = zext i8 %122 to i32
  %124 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %105, ptr noundef @.str.3, i32 noundef %106, i32 noundef %111, i32 noundef %112, i32 noundef %117, i32 noundef %118, i32 noundef %123) #4
  br label %125

125:                                              ; preds = %104, %83
  br label %126

126:                                              ; preds = %125
  %127 = load i32, ptr %10, align 4, !tbaa !5
  %128 = add nsw i32 %127, 1
  store i32 %128, ptr %10, align 4, !tbaa !5
  br label %68, !llvm.loop !14

129:                                              ; preds = %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 1000, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 1000, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 1000, ptr %6) #4
  ret i32 0
}

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

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

declare void @cbc_encipher(ptr noundef, ptr noundef, ptr noundef, i32 noundef) #3

declare void @cbc_decipher(ptr noundef, ptr noundef, ptr noundef, i32 noundef) #3

; 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 "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 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !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"

@stdout = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [34 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [49 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [62 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [65 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
iter.check:
  %2 = alloca [1000 x i8], align 16
  %3 = alloca [1000 x i8], align 16
  %4 = alloca [1000 x i8], align 16
  %5 = alloca [8 x i8], align 8
  call void @llvm.lifetime.start.p0(i64 1000, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 1000, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 1000, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %6 = load ptr, ptr @stdout, align 8, !tbaa !5
  %7 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %6, ptr noundef nonnull @.str) #4
  %8 = getelementptr inbounds i8, ptr %5, i64 1
  %9 = getelementptr inbounds i8, ptr %5, i64 2
  %10 = getelementptr inbounds i8, ptr %5, i64 3
  %11 = getelementptr inbounds i8, ptr %5, i64 4
  %12 = getelementptr inbounds i8, ptr %5, i64 5
  %13 = getelementptr inbounds i8, ptr %5, i64 6
  %14 = getelementptr inbounds i8, ptr %5, i64 7
  store <8 x i8> <i8 1, i8 -15, i8 35, i8 74, i8 31, i8 34, i8 0, i8 -18>, ptr %5, align 8, !tbaa !9
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %iter.check
  %index = phi i64 [ 0, %iter.check ], [ %index.next, %vector.body ]
  %vec.ind = phi <16 x i8> [ <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, %iter.check ], [ %vec.ind.next, %vector.body ]
  %15 = mul <16 x i8> %vec.ind, <i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23, i8 23>
  %16 = getelementptr inbounds [1000 x i8], ptr %2, i64 0, i64 %index
  store <16 x i8> %15, ptr %16, align 16, !tbaa !9
  %index.next = add nuw i64 %index, 16
  %vec.ind.next = add <16 x i8> %vec.ind, <i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16, i8 16>
  %17 = icmp eq i64 %index.next, 992
  br i1 %17, label %vec.epilog.vector.body, label %vector.body, !llvm.loop !10

vec.epilog.vector.body:                           ; preds = %vector.body
  %18 = getelementptr inbounds i8, ptr %2, i64 992
  store <8 x i8> <i8 32, i8 55, i8 78, i8 101, i8 124, i8 -109, i8 -86, i8 -63>, ptr %18, align 16, !tbaa !9
  call void @cbc_encipher(ptr noundef nonnull %2, ptr noundef nonnull %4, ptr noundef nonnull %5, i32 noundef 1000) #4
  call void @cbc_decipher(ptr noundef nonnull %4, ptr noundef nonnull %3, ptr noundef nonnull %5, i32 noundef 1000) #4
  %19 = load ptr, ptr @stdout, align 8, !tbaa !5
  %20 = load i8, ptr %5, align 8, !tbaa !9
  %21 = zext i8 %20 to i32
  %22 = load i8, ptr %8, align 1, !tbaa !9
  %23 = zext i8 %22 to i32
  %24 = load i8, ptr %9, align 2, !tbaa !9
  %25 = zext i8 %24 to i32
  %26 = load i8, ptr %10, align 1, !tbaa !9
  %27 = zext i8 %26 to i32
  %28 = load i8, ptr %11, align 4, !tbaa !9
  %29 = zext i8 %28 to i32
  %30 = load i8, ptr %12, align 1, !tbaa !9
  %31 = zext i8 %30 to i32
  %32 = load i8, ptr %13, align 2, !tbaa !9
  %33 = zext i8 %32 to i32
  %34 = load i8, ptr %14, align 1, !tbaa !9
  %35 = zext i8 %34 to i32
  %36 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %19, ptr noundef nonnull @.str.1, i32 noundef %21, i32 noundef %23, i32 noundef %25, i32 noundef %27, i32 noundef %29, i32 noundef %31, i32 noundef %33, i32 noundef %35) #4
  br label %37

37:                                               ; preds = %vec.epilog.vector.body, %37
  %indvars.iv27 = phi i64 [ 0, %vec.epilog.vector.body ], [ %indvars.iv.next28, %37 ]
  %38 = getelementptr inbounds [1000 x i8], ptr %2, i64 0, i64 %indvars.iv27
  %39 = load i8, ptr %38, align 1, !tbaa !9
  %40 = zext i8 %39 to i32
  %41 = getelementptr inbounds [1000 x i8], ptr %3, i64 0, i64 %indvars.iv27
  %42 = load i8, ptr %41, align 1, !tbaa !9
  %43 = zext i8 %42 to i32
  %44 = icmp eq i8 %39, %42
  %45 = load ptr, ptr @stdout, align 8, !tbaa !5
  %46 = getelementptr inbounds [1000 x i8], ptr %4, i64 0, i64 %indvars.iv27
  %47 = load i8, ptr %46, align 1, !tbaa !9
  %48 = zext i8 %47 to i32
  %49 = trunc nuw nsw i64 %indvars.iv27 to i32
  %.str.2..str.3 = select i1 %44, ptr @.str.2, ptr @.str.3
  %50 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %45, ptr noundef nonnull %.str.2..str.3, i32 noundef %49, i32 noundef %40, i32 noundef %49, i32 noundef %48, i32 noundef %49, i32 noundef %43) #4
  %indvars.iv.next28 = add nuw nsw i64 %indvars.iv27, 1
  %exitcond30.not = icmp eq i64 %indvars.iv.next28, 1000
  br i1 %exitcond30.not, label %51, label %37, !llvm.loop !14

51:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 1000, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 1000, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 1000, ptr nonnull %2) #4
  ret i32 0
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

declare void @cbc_encipher(ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

declare void @cbc_decipher(ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "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 = { "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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11, !12, !13}
!11 = !{!"llvm.loop.mustprogress"}
!12 = !{!"llvm.loop.isvectorized", i32 1}
!13 = !{!"llvm.loop.unroll.runtime.disable"}
!14 = distinct !{!14, !11}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopLoadEliminationPass,LoopRotatePass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass