// Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package ssa // convert to machine-dependent ops func lower(f *Func) { // repeat rewrites until we find no more rewrites applyRewrite(f, f.Config.lowerBlock, f.Config.lowerValue) } // checkLower checks for unlowered opcodes and fails if we find one. func checkLower(f *Func) { // Needs to be a separate phase because it must run after both // lowering and a subsequent dead code elimination (because lowering // rules may leave dead generic ops behind). for _, b := range f.Blocks { for _, v := range b.Values { if opcodeTable[v.Op].generic && v.Op != OpSP && v.Op != OpSB && v.Op != OpArg && v.Op != OpCopy && v.Op != OpPhi { f.Unimplementedf("%s not lowered", v.LongString()) } } } }