[llvm-commits] [llvm] r117422 - /llvm/trunk/lib/CodeGen/MachineVerifier.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Tue Oct 26 19:39:01 2010
New Revision: 117422

URL: http://llvm.org/viewvc/llvm-project?rev=117422&view=rev
Log:
Physical registers trivially have multiple connected components all the time.
Only virtuals should be requires to be connected.

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

Modified: llvm/trunk/lib/CodeGen/MachineVerifier.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineVerifier.cpp?rev=117422&r1=117421&r2=117422&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineVerifier.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineVerifier.cpp Tue Oct 26 19:39:01 2010
@@ -1069,11 +1069,13 @@
     }
 
     // Check the LI only has one connected component.
-    ConnectedVNInfoEqClasses ConEQ(*LiveInts);
-    unsigned NumComp = ConEQ.Classify(&LI);
-    if (NumComp > 1) {
-      report("Multiple connected components in live interval", MF);
-      *OS << NumComp << " components in " << LI << '\n';
+    if (TargetRegisterInfo::isVirtualRegister(LI.reg)) {
+      ConnectedVNInfoEqClasses ConEQ(*LiveInts);
+      unsigned NumComp = ConEQ.Classify(&LI);
+      if (NumComp > 1) {
+        report("Multiple connected components in live interval", MF);
+        *OS << NumComp << " components in " << LI << '\n';
+      }
     }
   }
 }