Commit Graph

3 Commits

Author SHA1 Message Date
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis.
llvm-svn: 81290
2009-09-08 23:54:48 +00:00
Evan Cheng 968c3b0d6e Model inline asm constraint which ties an input to an output register as machine operand TIED_TO constraint. This eliminated the need to pre-allocate registers for these. This also allows register allocator can eliminate the unneeded copies.
llvm-svn: 67512
2009-03-23 08:01:15 +00:00
Dale Johannesen 86d421df23 Remove SelectionDag early allocation of registers
for earlyclobbers.  Teach Local RA about earlyclobber,
and add some tests for it.

llvm-svn: 56592
2008-09-24 23:13:09 +00:00