Move some more hooks to TargetFrameInfo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119904 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetFrameInfo.cpp b/lib/Target/TargetFrameInfo.cpp
index ff9b89a..dad51b9 100644
--- a/lib/Target/TargetFrameInfo.cpp
+++ b/lib/Target/TargetFrameInfo.cpp
@@ -11,7 +11,12 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/Codegen/MachineFrameInfo.h"
+#include "llvm/Codegen/MachineFunction.h"
#include "llvm/Target/TargetFrameInfo.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetRegisterInfo.h"
+
#include <cstdlib>
using namespace llvm;
@@ -24,3 +29,24 @@
TargetFrameInfo::getInitialFrameState(std::vector<MachineMove> &Moves) const {
// Default is to do nothing.
}
+
+/// getFrameIndexOffset - Returns the displacement from the frame register to
+/// the stack frame of the specified index. This is the default implementation
+/// which is overridden for some targets.
+int TargetFrameInfo::getFrameIndexOffset(const MachineFunction &MF,
+ int FI) const {
+ const MachineFrameInfo *MFI = MF.getFrameInfo();
+ return MFI->getObjectOffset(FI) + MFI->getStackSize() -
+ getOffsetOfLocalArea() + MFI->getOffsetAdjustment();
+}
+
+int TargetFrameInfo::getFrameIndexReference(const MachineFunction &MF, int FI,
+ unsigned &FrameReg) const {
+ const TargetRegisterInfo *RI = MF.getTarget().getRegisterInfo();
+
+ // By default, assume all frame indices are referenced via whatever
+ // getFrameRegister() says. The target can override this if it's doing
+ // something different.
+ FrameReg = RI->getFrameRegister(MF);
+ return getFrameIndexOffset(MF, FI);
+}