[llvm-commits] [llvm] r169190 - in /llvm/trunk: include/llvm/CodeGen/VirtRegMap.h lib/CodeGen/VirtRegMap.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Mon Dec  3 18:35:59 2012
New Revision: 169190

URL: http://llvm.org/viewvc/llvm-project?rev=169190&view=rev
Log:
Remove VirtRegMap::getRegAllocPref().

Now that there can be multiple hint registers from targets, it doesn't
make sense to have a function that returns 'the' preferred register.

Modified:
    llvm/trunk/include/llvm/CodeGen/VirtRegMap.h
    llvm/trunk/lib/CodeGen/VirtRegMap.cpp

Modified: llvm/trunk/include/llvm/CodeGen/VirtRegMap.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/VirtRegMap.h?rev=169190&r1=169189&r2=169190&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/VirtRegMap.h (original)
+++ llvm/trunk/include/llvm/CodeGen/VirtRegMap.h Mon Dec  3 18:35:59 2012
@@ -126,9 +126,6 @@
       grow();
     }
 
-    /// @brief returns the register allocation preference.
-    unsigned getRegAllocPref(unsigned virtReg);
-
     /// @brief returns true if VirtReg is assigned to its preferred physreg.
     bool hasPreferredPhys(unsigned VirtReg);
 

Modified: llvm/trunk/lib/CodeGen/VirtRegMap.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/VirtRegMap.cpp?rev=169190&r1=169189&r2=169190&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/VirtRegMap.cpp (original)
+++ llvm/trunk/lib/CodeGen/VirtRegMap.cpp Mon Dec  3 18:35:59 2012
@@ -77,17 +77,6 @@
   return SS;
 }
 
-unsigned VirtRegMap::getRegAllocPref(unsigned virtReg) {
-  std::pair<unsigned, unsigned> Hint = MRI->getRegAllocationHint(virtReg);
-  unsigned physReg = Hint.second;
-  if (TargetRegisterInfo::isVirtualRegister(physReg) && hasPhys(physReg))
-    physReg = getPhys(physReg);
-  if (Hint.first == 0)
-    return (TargetRegisterInfo::isPhysicalRegister(physReg))
-      ? physReg : 0;
-  return TRI->ResolveRegAllocHint(Hint.first, physReg, *MF);
-}
-
 bool VirtRegMap::hasPreferredPhys(unsigned VirtReg) {
   unsigned Hint = MRI->getSimpleHint(VirtReg);
   if (!Hint)