5 Commits

Author	SHA1	Message	Date
Jakob Stoklund Olesen	cf00a6d764	Simplify local live range splitting's safeguard to fix PR10070. ... When local live range splitting creates a live range with the same number of instructions as the old range, mark it as RS_Local. When such a range is seen again, require that it be split in a way that reduces the number of instructions. That guarantees we are making progress while still being able to perform 3 -> 2+3 splits as required by PR10070. This also means that the PrevSlot map is no longer needed. This was also used to estimate new spill weights, but that is no longer necessary after slotIndexes::insertMachineInstrInMaps() got the extra Late insertion argument. llvm-svn: 132697	2011-06-06 23:55:20 +00:00
NAKAMURA Takumi	e776f16e9d	test/CodeGen/X86: FileCheck-ize and add explicit -mtriple=x86_64-linux. They are useless to Win64 target. ... llvm-svn: 127732	2011-03-16 13:52:38 +00:00
Dan Gohman	f2c290dfa6	Convert more tests to avoid llvm-as. ... llvm-svn: 81545	2009-09-11 18:36:27 +00:00
Dan Gohman	d252329703	Don't use special heuristics for nodes with no data predecessors ... unless they actually have data successors, and likewise for nodes with no data successors unless they actually have data precessors. llvm-svn: 64327	2009-02-11 21:29:39 +00:00
Dan Gohman	eb622df2ef	Fix several more entries in the x86 reload/remat folding tables. ... llvm-svn: 42162	2007-09-20 14:17:21 +00:00