104 Commits

Author	SHA1	Message	Date
David Goodwin	faa7660fd0	Between scheduling regions, correctly maintain anti-dep breaking state so that we don't incorrectly rename registers that span these regions. ... llvm-svn: 85537	2009-10-29 23:30:59 +00:00
David Goodwin	9f1b2d4619	Fix a couple of bugs in aggressive anti-dep breaking. ... llvm-svn: 85522	2009-10-29 19:17:04 +00:00
David Goodwin	e056d1077e	Allow the aggressive anti-dep breaker to process the same region multiple times. This is necessary because new anti-dependencies are exposed when "current" ones are broken. ... llvm-svn: 85166	2009-10-26 22:31:16 +00:00
David Goodwin	de11f36ab7	Add aggressive anti-dependence breaker. Currently it is not the default for any target. Enable with -break-anti-dependencies=all. ... llvm-svn: 85145	2009-10-26 19:32:42 +00:00