[llvm-commits] [llvm] r89722 - /llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp

[David Goodwin]

Author: david_goodwin
Date: Mon Nov 23 18:59:08 2009
New Revision: 89722

URL: http://llvm.org/viewvc/llvm-project?rev=89722&view=rev
Log:
<rdar://problem/6721894>. Allow multiple registers to be renamed together (super and sub) if necessary to break an anti-dependence.

Modified:
    llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp

Modified: llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp?rev=89722&r1=89721&r2=89722&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp (original)
+++ llvm/trunk/lib/CodeGen/AggressiveAntiDepBreaker.cpp Mon Nov 23 18:59:08 2009
@@ -581,12 +581,6 @@
       return false;
   }
 
-  // FIXME: for now just handle single register in group case...
-  if (Regs.size() > 1) {
-    DEBUG(errs() << "\tMultiple rename registers in group\n");
-    return false;
-  }
-
 #ifndef NDEBUG
   // If DebugDiv > 0 then only rename (renamecnt % DebugDiv) == DebugMod
   if (DebugDiv > 0) {