improve "cannot yet select" errors a trivial amount: now

[oota-llvm.git] / lib / CodeGen / VirtRegMap.h

diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h
index a5599f68b64e69d6458bbe6921060d0dc097bdaf..2fe27cea31fa312a0aa9c00d4e021fc1c669ff99 100644 (file)
--- a/lib/CodeGen/VirtRegMap.h
+++ b/lib/CodeGen/VirtRegMap.h
@@ -134,12 +134,15 @@ namespace llvm {
     /// UnusedRegs - A list of physical registers that have not been used.
     BitVector UnusedRegs;
 
+    /// createSpillSlot - Allocate a spill slot for RC from MFI.
+    unsigned createSpillSlot(const TargetRegisterClass *RC);
+
     VirtRegMap(const VirtRegMap&);     // DO NOT IMPLEMENT
     void operator=(const VirtRegMap&); // DO NOT IMPLEMENT
 
   public:
     static char ID;
-    VirtRegMap() : MachineFunctionPass(&ID), Virt2PhysMap(NO_PHYS_REG),
+    VirtRegMap() : MachineFunctionPass(ID), Virt2PhysMap(NO_PHYS_REG),
                    Virt2StackSlotMap(NO_STACK_SLOT), 
                    Virt2ReMatIdMap(NO_STACK_SLOT), Virt2SplitMap(0),
                    Virt2SplitKillMap(SlotIndex()), ReMatMap(NULL),
@@ -152,6 +155,14 @@ namespace llvm {
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 
+    MachineFunction &getMachineFunction() const {
+      assert(MF && "getMachineFunction called before runOnMachineFunction");
+      return *MF;
+    }
+
+    MachineRegisterInfo &getRegInfo() const { return *MRI; }
+    const TargetRegisterInfo &getTargetRegInfo() const { return *TRI; }
+
     void grow();
 
     /// @brief returns true if the specified virtual register is