7 commits

Author	SHA1	Message	Date
Ian Romanick	f8e31e00b1	Add ir_loop_jump to represent 'break' and 'continue' in loops	2010-04-07 11:42:30 -07:00
Ian Romanick	fad607a9be	Add ir_loop to represent loops ... This touches a lot of files because everything derived from ir_visitor has to be updated. This is the primary disadvantage of the visitor pattern.	2010-04-07 11:41:50 -07:00
Eric Anholt	70b74928a2	Make constant folding descend into if statements.	2010-04-06 11:52:09 -07:00
Eric Anholt	e5a9e70cde	Descend down the tree in more locations in constant folding.	2010-04-06 11:42:34 -07:00
Eric Anholt	bae5be356e	Perform constant folding on array indices. ... Replaces a constant var deref with a constant value in CorrectParse1.frag.	2010-04-06 11:42:34 -07:00
Eric Anholt	3fff009af1	Fold constant expressions in if conditionals. ... Fixes up 3 more expressions in CorrectParse2.frag.	2010-04-06 11:42:34 -07:00
Eric Anholt	62735694a1	Add a constant folding optimization pass.	2010-04-06 11:42:31 -07:00