[llvm-commits] [llvm] r133186 - /llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Thu Jun 16 15:37:45 2011
New Revision: 133186

URL: http://llvm.org/viewvc/llvm-project?rev=133186&view=rev
Log:
Move PBQP off allocation_order_begin. No functional change intended.

I think PBQP could use RegisterClassInfo, but it didn't fit neatly with
the external interfaces that PBQP uses, so I'll leave that to Lang.

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

Modified: llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp?rev=133186&r1=133185&r2=133186&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp Thu Jun 16 15:37:45 2011
@@ -222,10 +222,9 @@
     // Compute an initial allowed set for the current vreg.
     typedef std::vector<unsigned> VRAllowed;
     VRAllowed vrAllowed;
-    for (TargetRegisterClass::iterator aoItr = trc->allocation_order_begin(*mf),
-                                       aoEnd = trc->allocation_order_end(*mf);
-         aoItr != aoEnd; ++aoItr) {
-      unsigned preg = *aoItr;
+    ArrayRef<unsigned> rawOrder = trc->getRawAllocationOrder(*mf);
+    for (unsigned i = 0; i != rawOrder.size(); ++i) {
+      unsigned preg = rawOrder[i];
       if (!reservedRegs.test(preg)) {
         vrAllowed.push_back(preg);
       }
@@ -581,7 +580,7 @@
 
     if (physReg == 0) {
       const TargetRegisterClass *liRC = mri->getRegClass(li->reg);
-      physReg = *liRC->allocation_order_begin(*mf);
+      physReg = liRC->getRawAllocationOrder(*mf).front();
     }
 
     vrm->assignVirt2Phys(li->reg, physReg);