[llvm-commits] [llvm] r149398 - /llvm/trunk/lib/CodeGen/RegAllocFast.cpp

[Andrew Trick]

Author: atrick
Date: Tue Jan 31 12:54:19 2012
New Revision: 149398

URL: http://llvm.org/viewvc/llvm-project?rev=149398&view=rev
Log:
Obvious unnecessary loop removal. Follow through from previous checkin.

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

Modified: llvm/trunk/lib/CodeGen/RegAllocFast.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocFast.cpp?rev=149398&r1=149397&r2=149398&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocFast.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocFast.cpp Tue Jan 31 12:54:19 2012
@@ -775,17 +775,16 @@
         continue;
 
       unsigned OperReg = MO.getReg();
-      for (const unsigned *AS = TRI->getOverlaps(Reg); *AS; ++AS) {
-        if (OperReg != *AS)
-          continue;
-        if (OperReg == Reg || TRI->isSuperRegister(OperReg, Reg)) {
-          // If the ret already has an operand for this physreg or a superset,
-          // don't duplicate it. Set the kill flag if the value is defined.
-          if (hasDef && !MO.isKill())
-            MO.setIsKill();
-          Found = true;
-          break;
-        }
+      if (!TargetRegisterInfo::isPhysicalRegister(OperReg))
+        continue;
+
+      if (OperReg == Reg || TRI->isSuperRegister(OperReg, Reg)) {
+        // If the ret already has an operand for this physreg or a superset,
+        // don't duplicate it. Set the kill flag if the value is defined.
+        if (hasDef && !MO.isKill())
+          MO.setIsKill();
+        Found = true;
+        break;
       }
     }
     if (!Found)