// Fold IsInBounds when the range of the index cannot exceed the limit.
(IsInBounds (ZeroExt8to32  _) (Const32 [c])) && (1 << 8)  <= c => (ConstBool [true])
(IsInBounds (ZeroExt8to64  _) (Const64 [c])) && (1 << 8)  <= c => (ConstBool [true])
(IsInBounds (ZeroExt16to32 _) (Const32 [c])) && (1 << 16) <= c => (ConstBool [true])
(IsInBounds (ZeroExt16to64 _) (Const64 [c])) && (1 << 16) <= c => (ConstBool [true])

	}
	// match: (IsInBounds (ZeroExt16to64 _) (Const64 [c]))
	// cond: (1 << 16) <= c
	// result: (ConstBool [true])
	for {
		if v_0.Op != OpZeroExt16to64 || v_1.Op != OpConst64 {
			break
		}
		c := auxIntToInt64(v_1.AuxInt)
		if !((1 << 16) <= c) {
			break
		}
		v.reset(OpConstBool)
		v.AuxInt = boolToAuxInt(true)
		return true
	}
	// match: (IsInBounds x x)

	{name: "Round32F", argLength: 1},
	{name: "Round64F", argLength: 1},

	// Automatically inserted safety checks
	{name: "IsNonNil", argLength: 1, typ: "Bool"},        // arg0 != nil
	{name: "IsInBounds", argLength: 2, typ: "Bool"},      // 0 <= arg0 < arg1. arg1 is guaranteed >= 0.
	{name: "IsSliceInBounds", argLength: 2, typ: "Bool"}, // 0 <= arg0 <= arg1. arg1 is guaranteed >= 0.

// Miscellaneous
(GetClosurePtr ...) => (LoweredGetClosurePtr ...)
(GetCallerSP ...) => (LoweredGetCallerSP ...)
(GetCallerPC ...) => (LoweredGetCallerPC ...)
(IsNonNil ptr) => (NotEqual (CMPconst [0] ptr))
(IsInBounds idx len) => (LessThan (CMPU idx len))
(IsSliceInBounds idx len) => (LessEqual (CMPU idx len))
(NilCheck ...) => (LoweredNilCheck ...)

// Write barrier.
(WB ...) => (LoweredWB ...)

(ClosureCall ...) => (CALLclosure ...)
(InterCall   ...) => (CALLinter   ...)
(TailCall    ...) => (CALLtail    ...)

// checks
(NilCheck ...) => (LoweredNilCheck ...)
(IsNonNil ptr) => (NotEqual (CMPconst [0] ptr))
(IsInBounds      idx len) => (LessThanU  (CMP idx len))
(IsSliceInBounds idx len) => (LessEqualU (CMP idx len))

// pseudo-ops
(GetClosurePtr ...) => (LoweredGetClosurePtr ...)
(GetCallerSP   ...) => (LoweredGetCallerSP   ...)

		v0.AddArg2(x, y)
		v.AddArg(v0)
		return true
	}
}
func rewriteValuePPC64_OpIsInBounds(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	// match: (IsInBounds idx len)
	// result: (LessThan (CMPU idx len))
	for {
		idx := v_0
		len := v_1
		v.reset(OpPPC64LessThan)
		v0 := b.NewValue0(v.Pos, OpPPC64CMPU, types.TypeFlags)
		v0.AddArg2(idx, len)

		v0.AddArg2(x, y)
		v.AddArg(v0)
		return true
	}
}
func rewriteValueARM64_OpIsInBounds(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	// match: (IsInBounds idx len)
	// result: (LessThanU (CMP idx len))
	for {
		idx := v_0
		len := v_1
		v.reset(OpARM64LessThanU)
		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
		v0.AddArg2(idx, len)

	},
	{
		name:    "Round64F",
		argLen:  1,
		generic: true,
	},
	{
		name:    "IsNonNil",
		argLen:  1,
		generic: true,
	},
	{
		name:    "IsInBounds",
		argLen:  2,
		generic: true,
	},
	{
		name:    "IsSliceInBounds",
		argLen:  2,
		generic: true,
	},
	{
		name:     "NilCheck",
		argLen:   2,