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4 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen e20fec7732 Fix one more batch of X86 tests to be register allocation dependent. 
llvm-svn: 128919
 2011-04-05 20:20:30 +00:00
Andrew Trick 0f6d098bd1 This test case should work with list-ilp or list-burr. 
llvm-svn: 127348
 2011-03-09 19:17:10 +00:00
Eric Christopher eb19e9e9fc Turn on list-ilp scheduling by default on x86 and x86-64, fix up 
testcases accordingly. Some are currently xfailed and will be filed
as bugs to be fixed or understood.

Performance results:

roughly neutral on SPEC
some micro benchmarks in the llvm suite are up between 100 and 150%, only
a pair of regressions that are due to be investigated

john-the-ripper saw:
10% improvement in traditional DES
8% improvement in BSDI DES
59% improvement in FreeBSD MD5
67% improvement in OpenBSD Blowfish
14% improvement in LM DES

Small compile time impact.

llvm-svn: 127208
 2011-03-08 02:42:25 +00:00
Jakob Stoklund Olesen f4e4e84115 Check that subregisters don't have independent values in RemoveCopyByCommutingDef(). 
This fixes PR6941.

llvm-svn: 102970
 2010-05-03 22:40:32 +00:00