; LLVM IR from kala13x/libxutils :: src/sys (xfs)

; 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.stat = type { i64, i64, i64, i32, i32, i32, i32, i64, i64, i64, i64, %struct.timespec, %struct.timespec, %struct.timespec, [3 x i64] }
%struct.timespec = type { i64, i64 }
%struct.XPath = type { [2048 x i8], [256 x i8] }

@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @xstat(ptr noundef, ptr noundef) #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

declare zeroext i8 @xstrused(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @XPath_Parse(ptr noundef %0, ptr noundef %1, i8 noundef zeroext %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  %8 = alloca i64, align 8
  %9 = alloca i8, align 1
  %10 = alloca %struct.stat, align 8
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i8 %2, ptr %7, align 1, !tbaa !9
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %20, label %19

19:                                               ; preds = %3
  store i32 -2, ptr %4, align 4
  br label %134

20:                                               ; preds = %3
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.XPath, ptr %21, i32 0, i32 0
  %23 = getelementptr inbounds [2048 x i8], ptr %22, i64 0, i64 0
  store i8 0, ptr %23, align 1, !tbaa !9
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.XPath, ptr %24, i32 0, i32 1
  %26 = getelementptr inbounds [256 x i8], ptr %25, i64 0, i64 0
  store i8 0, ptr %26, align 1, !tbaa !9
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = call zeroext i8 @xstrused(ptr noundef %27)
  %29 = icmp ne i8 %28, 0
  br i1 %29, label %31, label %30

30:                                               ; preds = %20
  store i32 -1, ptr %4, align 4
  br label %134

31:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = call i64 @strlen(ptr noundef %32) #5
  store i64 %33, ptr %8, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #4
  store i8 0, ptr %9, align 1, !tbaa !9
  %34 = load i8, ptr %7, align 1, !tbaa !9
  %35 = icmp ne i8 %34, 0
  br i1 %35, label %36, label %48

36:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 144, ptr %10) #4
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = call i32 @xstat(ptr noundef %37, ptr noundef %10)
  %39 = icmp sge i32 %38, 0
  br i1 %39, label %40, label %47

40:                                               ; preds = %36
  %41 = getelementptr inbounds %struct.stat, ptr %10, i32 0, i32 3
  %42 = load i32, ptr %41, align 8, !tbaa !12
  %43 = and i32 %42, 61440
  %44 = icmp eq i32 %43, 16384
  %45 = zext i1 %44 to i32
  %46 = trunc i32 %45 to i8
  store i8 %46, ptr %9, align 1, !tbaa !9
  br label %47

47:                                               ; preds = %40, %36
  call void @llvm.lifetime.end.p0(i64 144, ptr %10) #4
  br label %48

48:                                               ; preds = %47, %31
  %49 = load i8, ptr %9, align 1, !tbaa !9
  %50 = zext i8 %49 to i32
  %51 = icmp ne i32 %50, 0
  br i1 %51, label %60, label %52

52:                                               ; preds = %48
  %53 = load ptr, ptr %6, align 8, !tbaa !5
  %54 = load i64, ptr %8, align 8, !tbaa !10
  %55 = sub i64 %54, 1
  %56 = getelementptr inbounds i8, ptr %53, i64 %55
  %57 = load i8, ptr %56, align 1, !tbaa !9
  %58 = sext i8 %57 to i32
  %59 = icmp eq i32 %58, 47
  br i1 %59, label %60, label %67

60:                                               ; preds = %52, %48
  %61 = load ptr, ptr %5, align 8, !tbaa !5
  %62 = getelementptr inbounds %struct.XPath, ptr %61, i32 0, i32 0
  %63 = getelementptr inbounds [2048 x i8], ptr %62, i64 0, i64 0
  %64 = load ptr, ptr %6, align 8, !tbaa !5
  %65 = call i64 @xstrncpy(ptr noundef %63, i64 noundef 2048, ptr noundef %64)
  %66 = trunc i64 %65 to i32
  store i32 %66, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %133

67:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %68 = load ptr, ptr %6, align 8, !tbaa !5
  %69 = call ptr @xstrsplit(ptr noundef %68, ptr noundef @.str.1)
  store ptr %69, ptr %12, align 8, !tbaa !5
  %70 = load ptr, ptr %12, align 8, !tbaa !5
  %71 = icmp eq ptr %70, null
  br i1 %71, label %72, label %79

72:                                               ; preds = %67
  %73 = load ptr, ptr %5, align 8, !tbaa !5
  %74 = getelementptr inbounds %struct.XPath, ptr %73, i32 0, i32 1
  %75 = getelementptr inbounds [256 x i8], ptr %74, i64 0, i64 0
  %76 = load ptr, ptr %6, align 8, !tbaa !5
  %77 = call i64 @xstrncpy(ptr noundef %75, i64 noundef 256, ptr noundef %76)
  %78 = trunc i64 %77 to i32
  store i32 %78, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %132

79:                                               ; preds = %67
  %80 = load ptr, ptr %6, align 8, !tbaa !5
  %81 = getelementptr inbounds i8, ptr %80, i64 0
  %82 = load i8, ptr %81, align 1, !tbaa !9
  %83 = sext i8 %82 to i32
  %84 = icmp eq i32 %83, 47
  br i1 %84, label %85, label %92

85:                                               ; preds = %79
  %86 = load ptr, ptr %5, align 8, !tbaa !5
  %87 = getelementptr inbounds %struct.XPath, ptr %86, i32 0, i32 0
  %88 = getelementptr inbounds [2048 x i8], ptr %87, i64 0, i64 0
  store i8 47, ptr %88, align 1, !tbaa !9
  %89 = load ptr, ptr %5, align 8, !tbaa !5
  %90 = getelementptr inbounds %struct.XPath, ptr %89, i32 0, i32 0
  %91 = getelementptr inbounds [2048 x i8], ptr %90, i64 0, i64 1
  store i8 0, ptr %91, align 1, !tbaa !9
  br label %92

92:                                               ; preds = %85, %79
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %93 = load ptr, ptr %12, align 8, !tbaa !5
  %94 = call i64 @XArray_Used(ptr noundef %93)
  store i64 %94, ptr %14, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  store i64 2048, ptr %15, align 8, !tbaa !10
  store i64 0, ptr %13, align 8, !tbaa !10
  br label %95

95:                                               ; preds = %127, %92
  %96 = load i64, ptr %13, align 8, !tbaa !10
  %97 = load i64, ptr %14, align 8, !tbaa !10
  %98 = icmp ult i64 %96, %97
  br i1 %98, label %99, label %130

99:                                               ; preds = %95
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %100 = load ptr, ptr %12, align 8, !tbaa !5
  %101 = load i64, ptr %13, align 8, !tbaa !10
  %102 = call ptr @XArray_GetData(ptr noundef %100, i64 noundef %101)
  store ptr %102, ptr %16, align 8, !tbaa !5
  %103 = load ptr, ptr %16, align 8, !tbaa !5
  %104 = icmp eq ptr %103, null
  br i1 %104, label %105, label %106

105:                                              ; preds = %99
  store i32 4, ptr %11, align 4
  br label %125

106:                                              ; preds = %99
  %107 = load i64, ptr %13, align 8, !tbaa !10
  %108 = add i64 %107, 1
  %109 = load i64, ptr %14, align 8, !tbaa !10
  %110 = icmp ult i64 %108, %109
  br i1 %110, label %111, label %118

111:                                              ; preds = %106
  %112 = load ptr, ptr %5, align 8, !tbaa !5
  %113 = getelementptr inbounds %struct.XPath, ptr %112, i32 0, i32 0
  %114 = getelementptr inbounds [2048 x i8], ptr %113, i64 0, i64 0
  %115 = load i64, ptr %15, align 8, !tbaa !10
  %116 = load ptr, ptr %16, align 8, !tbaa !5
  %117 = call i64 (ptr, i64, ptr, ...) @xstrncatf(ptr noundef %114, i64 noundef %115, ptr noundef @.str.2, ptr noundef %116)
  store i64 %117, ptr %15, align 8, !tbaa !10
  store i32 4, ptr %11, align 4
  br label %125

118:                                              ; preds = %106
  %119 = load ptr, ptr %5, align 8, !tbaa !5
  %120 = getelementptr inbounds %struct.XPath, ptr %119, i32 0, i32 1
  %121 = getelementptr inbounds [256 x i8], ptr %120, i64 0, i64 0
  %122 = load ptr, ptr %16, align 8, !tbaa !5
  %123 = call i64 @xstrncpy(ptr noundef %121, i64 noundef 256, ptr noundef %122)
  %124 = trunc i64 %123 to i32
  store i32 %124, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %125

125:                                              ; preds = %118, %111, %105
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  %126 = load i32, ptr %11, align 4
  switch i32 %126, label %131 [
    i32 4, label %127
  ]

127:                                              ; preds = %125
  %128 = load i64, ptr %13, align 8, !tbaa !10
  %129 = add i64 %128, 1
  store i64 %129, ptr %13, align 8, !tbaa !10
  br label %95, !llvm.loop !16

130:                                              ; preds = %95
  store i32 0, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %131

131:                                              ; preds = %130, %125
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %132

132:                                              ; preds = %131, %72
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  br label %133

133:                                              ; preds = %132, %60
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %134

134:                                              ; preds = %133, %30, %19
  %135 = load i32, ptr %4, align 4
  ret i32 %135
}

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #3

declare i64 @xstrncpy(ptr noundef, i64 noundef, ptr noundef) #2

declare ptr @xstrsplit(ptr noundef, ptr noundef) #2

declare i64 @XArray_Used(ptr noundef) #2

declare ptr @XArray_GetData(ptr noundef, i64 noundef) #2

declare i64 @xstrncatf(ptr noundef, i64 noundef, ptr noundef, ...) #2

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 = { "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 willreturn memory(read) "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 }
attributes #5 = { nounwind willreturn memory(read) }

!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 = !{!11, !11, i64 0}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !14, i64 24}
!13 = !{!"stat", !11, i64 0, !11, i64 8, !11, i64 16, !14, i64 24, !14, i64 28, !14, i64 32, !14, i64 36, !11, i64 40, !11, i64 48, !11, i64 56, !11, i64 64, !15, i64 72, !15, i64 88, !15, i64 104, !7, i64 120}
!14 = !{!"int", !7, i64 0}
!15 = !{!"timespec", !11, i64 0, !11, i64 8}
!16 = distinct !{!16, !17}
!17 = !{!"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.stat = type { i64, i64, i64, i32, i32, i32, i32, i64, i64, i64, i64, %struct.timespec, %struct.timespec, %struct.timespec, [3 x i64] }
%struct.timespec = type { i64, i64 }

@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @xstat(ptr noundef, ptr noundef) local_unnamed_addr #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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare zeroext i8 @xstrused(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local i32 @XPath_Parse(ptr noundef %0, ptr noundef %1, i8 noundef zeroext %2) local_unnamed_addr #0 {
  %4 = alloca %struct.stat, align 8
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %.loopexit, label %5

5:                                                ; preds = %3
  store i8 0, ptr %0, align 1, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 2048
  store i8 0, ptr %6, align 1, !tbaa !5
  %7 = tail call zeroext i8 @xstrused(ptr noundef %1) #4
  %.not44 = icmp eq i8 %7, 0
  br i1 %.not44, label %.loopexit, label %8

8:                                                ; preds = %5
  %9 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %1) #5
  %.not45 = icmp eq i8 %2, 0
  br i1 %.not45, label %.critedge, label %10

10:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 144, ptr nonnull %4) #4
  %11 = call i32 @xstat(ptr noundef %1, ptr noundef nonnull %4)
  %12 = icmp slt i32 %11, 0
  %13 = getelementptr inbounds i8, ptr %4, i64 24
  %14 = load i32, ptr %13, align 8
  %15 = and i32 %14, 61440
  %16 = icmp ne i32 %15, 16384
  %.036 = select i1 %12, i1 true, i1 %16
  call void @llvm.lifetime.end.p0(i64 144, ptr nonnull %4) #4
  br i1 %.036, label %.critedge, label %21

.critedge:                                        ; preds = %8, %10
  %17 = getelementptr i8, ptr %1, i64 %9
  %18 = getelementptr i8, ptr %17, i64 -1
  %19 = load i8, ptr %18, align 1, !tbaa !5
  %20 = icmp eq i8 %19, 47
  br i1 %20, label %21, label %24

21:                                               ; preds = %.critedge, %10
  %22 = call i64 @xstrncpy(ptr noundef nonnull %0, i64 noundef 2048, ptr noundef %1) #4
  %23 = trunc i64 %22 to i32
  br label %.loopexit

24:                                               ; preds = %.critedge
  %25 = call ptr @xstrsplit(ptr noundef nonnull %1, ptr noundef nonnull @.str.1) #4
  %26 = icmp eq ptr %25, null
  br i1 %26, label %27, label %30

27:                                               ; preds = %24
  %28 = call i64 @xstrncpy(ptr noundef nonnull %6, i64 noundef 256, ptr noundef nonnull %1) #4
  %29 = trunc i64 %28 to i32
  br label %.loopexit

30:                                               ; preds = %24
  %31 = load i8, ptr %1, align 1, !tbaa !5
  %32 = icmp eq i8 %31, 47
  br i1 %32, label %33, label %35

33:                                               ; preds = %30
  store i8 47, ptr %0, align 1, !tbaa !5
  %34 = getelementptr inbounds i8, ptr %0, i64 1
  store i8 0, ptr %34, align 1, !tbaa !5
  br label %35

35:                                               ; preds = %33, %30
  %36 = call i64 @XArray_Used(ptr noundef nonnull %25) #4
  %.not54 = icmp eq i64 %36, 0
  br i1 %.not54, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %35, %.lr.ph._crit_edge
  %.03453 = phi i64 [ %.135.ph, %.lr.ph._crit_edge ], [ 2048, %35 ]
  %.03852 = phi i64 [ %.pre, %.lr.ph._crit_edge ], [ 0, %35 ]
  %37 = call ptr @XArray_GetData(ptr noundef nonnull %25, i64 noundef %.03852) #4
  %38 = icmp eq ptr %37, null
  %.pre = add nuw i64 %.03852, 1
  br i1 %38, label %.lr.ph._crit_edge, label %39

39:                                               ; preds = %.lr.ph
  %40 = icmp ult i64 %.pre, %36
  br i1 %40, label %41, label %43

41:                                               ; preds = %39
  %42 = call i64 (ptr, i64, ptr, ...) @xstrncatf(ptr noundef nonnull %0, i64 noundef %.03453, ptr noundef nonnull @.str.2, ptr noundef nonnull %37) #4
  br label %.lr.ph._crit_edge

43:                                               ; preds = %39
  %44 = call i64 @xstrncpy(ptr noundef nonnull %6, i64 noundef 256, ptr noundef nonnull %37) #4
  %45 = trunc i64 %44 to i32
  br label %.loopexit

.lr.ph._crit_edge:                                ; preds = %.lr.ph, %41
  %.135.ph = phi i64 [ %42, %41 ], [ %.03453, %.lr.ph ]
  %exitcond.not = icmp eq i64 %.pre, %36
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph, !llvm.loop !8

.loopexit:                                        ; preds = %.lr.ph._crit_edge, %35, %43, %21, %27, %5, %3
  %.5 = phi i32 [ -2, %3 ], [ -1, %5 ], [ %23, %21 ], [ %29, %27 ], [ %45, %43 ], [ 0, %35 ], [ 0, %.lr.ph._crit_edge ]
  ret i32 %.5
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #3

declare i64 @xstrncpy(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

declare ptr @xstrsplit(ptr noundef, ptr noundef) local_unnamed_addr #2

declare i64 @XArray_Used(ptr noundef) local_unnamed_addr #2

declare ptr @XArray_GetData(ptr noundef, i64 noundef) local_unnamed_addr #2

declare i64 @xstrncatf(ptr noundef, i64 noundef, ptr noundef, ...) local_unnamed_addr #2

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 = { "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 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 }
attributes #5 = { nounwind willreturn memory(read) }

!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 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass