7 commits

Author	SHA1	Message	Date
Bill Currie	01c8aaae8c	Add some error checking for attaching identifiers.	2012-11-15 13:44:06 +09:00
Bill Currie	0ccf4093e4	Handle attached identifier labels correctly. ... I'd forgotten I had the prev field. Makes for much cleaner code.	2012-11-15 13:44:06 +09:00
Bill Currie	39506881c0	Fix the completely bogus handling of "x" in dag creation. ... That made a complete mashup of attached identifiers :P	2012-11-15 13:44:06 +09:00
Bill Currie	7b2e426545	Support temp operands in dags.	2012-11-15 13:44:05 +09:00
Bill Currie	9bc65ffedb	Start actually trying to build dags. ... Temporary variables aren't being handled correctly (treated as constants), but it looks like a good start.	2012-11-15 13:44:05 +09:00
Bill Currie	aa2943709e	Start work on building dags from basic blocks. ... Doesn't compile and the design is in flux anyway, but I want to get back to iqm.	2012-11-15 13:44:05 +09:00
Bill Currie	0fefeb73fe	Initial support for basic block dags. ... Currently, only dumping to dot, but that seems to be a very sensible place to start: debug support.	2012-11-15 13:44:05 +09:00