Move hasFP() and few related hooks to TargetFrameInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119740 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 24 insertions, 24 deletions

diff --git a/lib/Target/Alpha/AlphaFrameInfo.cpp b/lib/Target/Alpha/AlphaFrameInfo.cpp
index 601e5dbd35..0b25b4849d 100644
--- a/lib/Target/Alpha/AlphaFrameInfo.cpp
+++ b/lib/Target/Alpha/AlphaFrameInfo.cpp
@@ -34,17 +34,23 @@ static long getLower16(long l) {
   return l - h * Alpha::IMM_MULT;
 }
 
+// hasFP - Return true if the specified function should have a dedicated frame
+// pointer register.  This is true if the function has variable sized allocas or
+// if frame pointer elimination is disabled.
+//
+bool AlphaFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  return MFI->hasVarSizedObjects();
+}
+
 void AlphaFrameInfo::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB = MF.front();   // Prolog goes in entry BB
   MachineBasicBlock::iterator MBBI = MBB.begin();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  const AlphaRegisterInfo *RegInfo =
-    static_cast<const AlphaRegisterInfo*>(MF.getTarget().getRegisterInfo());
-  const AlphaInstrInfo &TII =
-    *static_cast<const AlphaInstrInfo*>(MF.getTarget().getInstrInfo());
+  const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
 
   DebugLoc dl = (MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc());
-  bool FP = RegInfo->hasFP(MF);
+  bool FP = hasFP(MF);
 
   // Handle GOP offset
   BuildMI(MBB, MBBI, dl, TII.get(Alpha::LDAHg), Alpha::R29)
@@ -99,17 +105,14 @@ void AlphaFrameInfo::emitEpilogue(MachineFunction &MF,
                                   MachineBasicBlock &MBB) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
-  const AlphaRegisterInfo *RegInfo =
-    static_cast<const AlphaRegisterInfo*>(MF.getTarget().getRegisterInfo());
-  const AlphaInstrInfo &TII =
-    *static_cast<const AlphaInstrInfo*>(MF.getTarget().getInstrInfo());
+  const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
 
   assert((MBBI->getOpcode() == Alpha::RETDAG ||
           MBBI->getOpcode() == Alpha::RETDAGp)
          && "Can only insert epilog into returning blocks");
   DebugLoc dl = MBBI->getDebugLoc();
 
-  bool FP = RegInfo->hasFP(MF);
+  bool FP = hasFP(MF);
 
   // Get the number of bytes allocated from the FrameInfo...
   long NumBytes = MFI->getStackSize();
diff --git a/lib/Target/Alpha/AlphaFrameInfo.h b/lib/Target/Alpha/AlphaFrameInfo.h
index df2352372e..2f822e5b19 100644
--- a/lib/Target/Alpha/AlphaFrameInfo.h
+++ b/lib/Target/Alpha/AlphaFrameInfo.h
@@ -34,6 +34,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index 001922de4a..fd3b25dabc 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -78,19 +78,12 @@ BitVector AlphaRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 // Stack Frame Processing methods
 //===----------------------------------------------------------------------===//
 
-// hasFP - Return true if the specified function should have a dedicated frame
-// pointer register.  This is true if the function has variable sized allocas or
-// if frame pointer elimination is disabled.
-//
-bool AlphaRegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return MFI->hasVarSizedObjects();
-}
-
 void AlphaRegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (hasFP(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (TFI->hasFP(MF)) {
     // If we have a frame pointer, turn the adjcallstackup instruction into a
     // 'sub ESP, <amt>' and the adjcallstackdown instruction into 'add ESP,
     // <amt>'
@@ -138,7 +131,9 @@ AlphaRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MachineInstr &MI = *II;
   MachineBasicBlock &MBB = *MI.getParent();
   MachineFunction &MF = *MBB.getParent();
-  bool FP = hasFP(MF);
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  bool FP = TFI->hasFP(MF);
 
   while (!MI.getOperand(i).isFI()) {
     ++i;
@@ -183,7 +178,9 @@ unsigned AlphaRegisterInfo::getRARegister() const {
 }
 
 unsigned AlphaRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  return hasFP(MF) ? Alpha::R15 : Alpha::R30;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  return TFI->hasFP(MF) ? Alpha::R15 : Alpha::R30;
 }
 
 unsigned AlphaRegisterInfo::getEHExceptionRegister() const {
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.h b/lib/Target/Alpha/AlphaRegisterInfo.h
index 9ff4175690..b0d4dd03b3 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.h
+++ b/lib/Target/Alpha/AlphaRegisterInfo.h
@@ -32,8 +32,6 @@ struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;