func visitPhi(inst *ssa.Phi, fr *frame) {
// In the case of channels, find the last defined channel and replace it.
if _, ok := inst.Type().(*types.Chan); ok {
//preds := inst.Block().Preds // PredBlocks: order is significant.
fr.locals[inst], _ = fr.get(inst.Edges[0])
fr.phi[inst] = inst.Edges
}
}
func visitPhi(instr *ssa.Phi, infer *TypeInfer, ctx *Context) {
loopDetectBounds(instr, infer, ctx)
if _, ok := instr.Type().(*types.Chan); ok {
// Replace existing non-edge extra args with the same name.
for _, e := range instr.Edges {
EALOOP:
for i, ea := range ctx.F.extraargs {
if e.Name() == ea.Name() {
ctx.F.extraargs = append(ctx.F.extraargs[:i], ctx.F.extraargs[i+1:]...)
break EALOOP
}
}
}
ctx.F.extraargs = append(ctx.F.extraargs, instr)
}
}