[llvm-commits] [llvm] r46861 - /llvm/trunk/lib/CodeGen/RegAllocLocal.cpp

[Evan Cheng]

Author: evancheng
Date: Thu Feb  7 13:46:55 2008
New Revision: 46861

URL: http://llvm.org/viewvc/llvm-project?rev=46861&view=rev
Log:
Remove remnant of load folding in local register allocator. Patch by Holger Schurig.

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

Modified: llvm/trunk/lib/CodeGen/RegAllocLocal.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocLocal.cpp?rev=46861&r1=46860&r2=46861&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocLocal.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocLocal.cpp Thu Feb  7 13:46:55 2008
@@ -35,7 +35,6 @@
 
 STATISTIC(NumStores, "Number of stores added");
 STATISTIC(NumLoads , "Number of loads added");
-STATISTIC(NumFolded, "Number of loads/stores folded into instructions");
 
 namespace {
   static RegisterRegAlloc
@@ -500,12 +499,7 @@
   if (PhysReg) {   // Register is available, allocate it!
     assignVirtToPhysReg(VirtReg, PhysReg);
   } else {         // No registers available.
-    // If we can fold this spill into this instruction, do so now.
-    SmallVector<unsigned, 2> Ops;
-    Ops.push_back(OpNum);
-
-    // It looks like we can't fold this virtual register load into this
-    // instruction.  Force some poor hapless value out of the register file to
+    // Force some poor hapless value out of the register file to
     // make room for the new register, and reload it.
     PhysReg = getReg(MBB, MI, VirtReg);
   }