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4 Commits

Author SHA1 Message Date
Evan Cheng
6e3e66375a - Add pseudo instructions tLDRpci_pic and t2LDRpci_pic which does a pc-relative 
load of a GV from constantpool and then add pc. It allows the code sequence to
  be rematerializable so it would be hoisted by machine licm.
- Add a late pass to break these pseudo instructions into a number of real
  instructions. Also move the code in Thumb2 IT pass that breaks up t2MOVi32imm
  to this pass. This is done before post regalloc scheduling to allow the
  scheduler to proper schedule these instructions. It also allow them to be
  if-converted and shrunk by later passes.

llvm-svn: 86304
 2009-11-06 23:52:48 +00:00
Dan Gohman
c74da745a7 Revert r84658 and r84691. They were causing llvm-gcc bootstrap to fail. 
llvm-svn: 84727
 2009-10-21 01:44:44 +00:00
David Goodwin
048b80a70a Checkpoint more aggressive anti-dependency breaking for post-ra scheduler. 
llvm-svn: 84658
 2009-10-20 19:54:44 +00:00
Evan Cheng
a335221976 Forgot this test earlier. 
llvm-svn: 83143
 2009-09-30 08:41:27 +00:00