Disable the logic added by rafael in commit 133415 to see if it brings the

dragonegg buildbots back to life.  Original commit message:
Teach early dup how to duplicate basic blocks with one successor and only phi instructions
into more complex blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133430 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2011-06-20 09:26:23 +00:00
parent 4720611025
commit 2ee2d93232

View File

@ -707,7 +707,7 @@ TailDuplicatePass::TailDuplicate(MachineBasicBlock *TailBB, MachineFunction &MF,
DenseSet<unsigned> UsedByPhi;
getRegsUsedByPHIs(*TailBB, &UsedByPhi);
if (isSimpleBB(TailBB))
if (0 && isSimpleBB(TailBB)) // Disabled to see if doing so fixes buildbots.
return duplicateSimpleBB(TailBB, TDBBs, UsedByPhi, Copies);
// Iterate through all the unique predecessors and tail-duplicate this