Fix a problem building llvm-gcc on amd64-unknown-freebsd6.2, due to the

[oota-llvm.git] / lib / Target / MRegisterInfo.cpp

diff --git a/lib/Target/MRegisterInfo.cpp b/lib/Target/MRegisterInfo.cpp
index 790f95f081bb88607ff76767f938e41da57580f6..08039208fe80edbc1f0aef3bb87c1a0231af22be 100644 (file)
--- a/lib/Target/MRegisterInfo.cpp
+++ b/lib/Target/MRegisterInfo.cpp
@@ -11,7 +11,14 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/MRegisterInfo.h"
+#include "llvm/Target/TargetFrameInfo.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineLocation.h"
+#include "llvm/ADT/BitVector.h"
+
 using namespace llvm;
 
 MRegisterInfo::MRegisterInfo(const TargetRegisterDesc *D, unsigned NR,
@@ -27,14 +34,37 @@ MRegisterInfo::MRegisterInfo(const TargetRegisterDesc *D, unsigned NR,
 
 MRegisterInfo::~MRegisterInfo() {}
 
-std::vector<bool> MRegisterInfo::getAllocatableSet(MachineFunction &MF) const {
-  std::vector<bool> Allocatable(NumRegs);
+BitVector MRegisterInfo::getAllocatableSet(MachineFunction &MF) const {
+  BitVector Allocatable(NumRegs);
   for (MRegisterInfo::regclass_iterator I = regclass_begin(),
          E = regclass_end(); I != E; ++I) {
     const TargetRegisterClass *RC = *I;
     for (TargetRegisterClass::iterator I = RC->allocation_order_begin(MF),
            E = RC->allocation_order_end(MF); I != E; ++I)
-      Allocatable[*I] = true;
+      Allocatable.set(*I);
   }
   return Allocatable;
 }
+
+/// getLocation - This method should return the actual location of a frame
+/// variable given the frame index.  The location is returned in ML.
+/// Subclasses should override this method for special handling of frame
+/// variables and then call MRegisterInfo::getLocation for the default action.
+void MRegisterInfo::getLocation(MachineFunction &MF, unsigned Index,
+                        MachineLocation &ML) const {
+  const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
+  MachineFrameInfo *MFI = MF.getFrameInfo();
+  ML.set(getFrameRegister(MF),
+         MFI->getObjectOffset(Index) +
+         MFI->getStackSize() -
+         TFI.getOffsetOfLocalArea() +
+         MFI->getOffsetAdjustment());
+}
+
+/// getInitialFrameState - Returns a list of machine moves that are assumed
+/// on entry to a function.
+void
+MRegisterInfo::getInitialFrameState(std::vector<MachineMove> &Moves) const {
+  // Default is to do nothing.
+}
+