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package compiler
// This file implements volatile loads/stores in runtime/volatile.LoadT and
// runtime/volatile.StoreT as compiler builtins.
import (
"golang.org/x/tools/go/ssa"
"tinygo.org/x/go-llvm"
)
func (c *Compiler) emitVolatileLoad(frame *Frame, instr *ssa.CallCommon) (llvm.Value, error) {
addr := c.getValue(frame, instr.Args[0])
c.emitNilCheck(frame, addr, "deref")
val := c.builder.CreateLoad(addr, "")
val.SetVolatile(true)
return val, nil
}
func (c *Compiler) emitVolatileStore(frame *Frame, instr *ssa.CallCommon) (llvm.Value, error) {
addr := c.getValue(frame, instr.Args[0])
val := c.getValue(frame, instr.Args[1])
c.emitNilCheck(frame, addr, "deref")
store := c.builder.CreateStore(val, addr)
store.SetVolatile(true)
return llvm.Value{}, nil
}
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