tree e87e07ed8a074d75dfccca80033f96919818ea6b
parent c95d6b1cb35b382804b9a310d32f66059eca65d9
author Dragos Sbirlea <dragoss@google.com> 1375132574 -0700
committer Dragos Sbirlea <dragoss@google.com> 1375132929 -0700

Added SEA IR def -> use edges (along the use -> def).

The edges are stored in the "tail" object and will be used for type information propagation.
The .dot generation nowhas a switch to enable or disable displaying these edges.

Change-Id: Iaf3ce1d1efcda6f5d65c42c69bb1573786c90309