102 Commits

Author	SHA1	Message	Date
Evan Cheng	d0d0317b9a	Committing a good chunk of the pre-register allocation live interval splitting pass. It's handling simple cases and appear to do good things. Next: avoid splitting an interval multiple times; renumber registers when possible; record stack slot live intervals for coloring; rematerialize defs when possible. ... llvm-svn: 58044	2008-10-23 20:43:13 +00:00
Evan Cheng	7e721ecd21	Add skeleton for the pre-register allocation live interval splitting pass. ... llvm-svn: 57847	2008-10-20 21:44:59 +00:00