v.Op = OpAMD64LoweredGetCallerPC
		return true
	case OpGetCallerSP:
		v.Op = OpAMD64LoweredGetCallerSP
		return true
	case OpGetClosurePtr:
		v.Op = OpAMD64LoweredGetClosurePtr
		return true
	case OpGetG:
		return rewriteValueAMD64_OpGetG(v)
	case OpHasCPUFeature:
		return rewriteValueAMD64_OpHasCPUFeature(v)
	case OpHmul32:
		v.Op = OpAMD64HMULL
		return true
	case OpHmul32u:
		v.Op = OpAMD64HMULLU

	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	fe := b.Func.fe
	// match: (NilCheck ptr:(GetG mem) mem)
	// result: ptr
	for {
		ptr := v_0
		if ptr.Op != OpGetG {
			break
		}
		mem := ptr.Args[0]
		if mem != v_1 {
			break
		}
		v.copyOf(ptr)
		return true
	}
	// match: (NilCheck ptr:(SelectN [0] call:(StaticLECall _ _)) _)