}
func rewriteValuegeneric_OpIsNonNil(v *Value) bool {
	v_0 := v.Args[0]
	// match: (IsNonNil (ConstNil))
	// result: (ConstBool [false])
	for {
		if v_0.Op != OpConstNil {
			break
		}
		v.reset(OpConstBool)
		v.AuxInt = boolToAuxInt(false)
		return true
	}
	// match: (IsNonNil (Const32 [c]))
	// result: (ConstBool [c != 0])
	for {
		if v_0.Op != OpConst32 {

(TailCall ...) => (CALLtail ...)

// 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.

// Lowering calls
(StaticCall ...) => (CALLstatic ...)
(ClosureCall ...) => (CALLclosure ...)
(InterCall ...) => (CALLinter ...)
(TailCall ...) => (CALLtail ...)

// Miscellaneous
(IsNonNil p) => (LOCGR {s390x.NotEqual} (MOVDconst [0]) (MOVDconst [1]) (CMPconst p [0]))
(IsInBounds idx len) => (LOCGR {s390x.Less} (MOVDconst [0]) (MOVDconst [1]) (CMPU idx len))

(StaticCall  ...) => (CALLstatic  ...)
(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 ...)

(CMOV(QNE|QLT|QLE|QHI|QCC|LNE|LLT|LLE|LHI|LCC|WNE|WLT|WLE|WHI|WCC) _ x (FlagLT_UGT)) => x
(CMOV(QEQ|QGT|QGE|QCS|QLS|LEQ|LGT|LGE|LCS|LLS|WEQ|WGT|WGE|WCS|WLS) y _ (FlagLT_UGT)) => y

// Miscellaneous
(IsNonNil p) => (SETNE (TESTQ p p))
(IsInBounds idx len) => (SETB (CMPQ idx len))
(IsSliceInBounds idx len) => (SETBE (CMPQ idx len))
(NilCheck ...) => (LoweredNilCheck ...)

		v1.AddArg(y)
		v.AddArg2(v0, v1)
		return true
	}
}
func rewriteValueWasm_OpIsNonNil(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (IsNonNil p)
	// result: (I64Eqz (I64Eqz p))
	for {
		p := v_0
		v.reset(OpWasmI64Eqz)
		v0 := b.NewValue0(v.Pos, OpWasmI64Eqz, typ.Bool)
		v0.AddArg(p)
		v.AddArg(v0)
		return true
	}
}

// calls
(StaticCall ...) => (CALLstatic ...)
(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 ...)

		v.reset(OpMIPSSGTU)
		v.AddArg2(len, idx)
		return true
	}
}
func rewriteValueMIPS_OpIsNonNil(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (IsNonNil ptr)
	// result: (SGTU ptr (MOVWconst [0]))
	for {
		ptr := v_0
		v.reset(OpMIPSSGTU)
		v0 := b.NewValue0(v.Pos, OpMIPSMOVWconst, typ.UInt32)
		v0.AuxInt = int32ToAuxInt(0)
		v.AddArg2(ptr, v0)

		v.reset(OpLOONG64SGTU)
		v.AddArg2(len, idx)
		return true
	}
}
func rewriteValueLOONG64_OpIsNonNil(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (IsNonNil ptr)
	// result: (SGTU ptr (MOVVconst [0]))
	for {
		ptr := v_0
		v.reset(OpLOONG64SGTU)
		v0 := b.NewValue0(v.Pos, OpLOONG64MOVVconst, typ.UInt64)
		v0.AuxInt = int64ToAuxInt(0)
		v.AddArg2(ptr, v0)

		v.reset(OpMIPS64SGTU)
		v.AddArg2(len, idx)
		return true
	}
}
func rewriteValueMIPS64_OpIsNonNil(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (IsNonNil ptr)
	// result: (SGTU ptr (MOVVconst [0]))
	for {
		ptr := v_0
		v.reset(OpMIPS64SGTU)
		v0 := b.NewValue0(v.Pos, OpMIPS64MOVVconst, typ.UInt64)
		v0.AuxInt = int64ToAuxInt(0)
		v.AddArg2(ptr, v0)