Move more PEI-related hooks to TFI

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120229 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 20 insertions, 16 deletions

diff --git a/lib/Target/Blackfin/BlackfinFrameInfo.cpp b/lib/Target/Blackfin/BlackfinFrameInfo.cpp
index 4f9054b..c57dc30 100644
--- a/lib/Target/Blackfin/BlackfinFrameInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinFrameInfo.cpp
@@ -16,6 +16,7 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/RegisterScavenging.h"
 #include "llvm/Target/TargetOptions.h"
 
 using namespace llvm;
@@ -105,3 +106,19 @@ void BlackfinFrameInfo::emitEpilogue(MachineFunction &MF,
   // emit an UNLINK instruction
   BuildMI(MBB, MBBI, dl, TII.get(BF::UNLINK));
 }
+
+void BlackfinFrameInfo::
+processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+                                     RegScavenger *RS) const {
+  MachineFrameInfo *MFI = MF.getFrameInfo();
+  const BlackfinRegisterInfo *RegInfo =
+    static_cast<const BlackfinRegisterInfo*>(MF.getTarget().getRegisterInfo());
+  const TargetRegisterClass *RC = BF::DPRegisterClass;
+
+  if (RegInfo->requiresRegisterScavenging(MF)) {
+    // Reserve a slot close to SP or frame pointer.
+    RS->setScavengingFrameIndex(MFI->CreateStackObject(RC->getSize(),
+                                                       RC->getAlignment(),
+                                                       false));
+  }
+}
diff --git a/lib/Target/Blackfin/BlackfinFrameInfo.h b/lib/Target/Blackfin/BlackfinFrameInfo.h
index 3b53f34..8f46b3e 100644
--- a/lib/Target/Blackfin/BlackfinFrameInfo.h
+++ b/lib/Target/Blackfin/BlackfinFrameInfo.h
@@ -36,6 +36,9 @@ public:
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
 
   bool hasFP(const MachineFunction &MF) const;
+
+  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+                                            RegScavenger *RS) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
index 23df625..9865b3b 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
@@ -325,19 +325,6 @@ BlackfinRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   }
 }
 
-void BlackfinRegisterInfo::
-processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
-                                     RegScavenger *RS) const {
-  MachineFrameInfo *MFI = MF.getFrameInfo();
-  const TargetRegisterClass *RC = BF::DPRegisterClass;
-  if (requiresRegisterScavenging(MF)) {
-    // Reserve a slot close to SP or frame pointer.
-    RS->setScavengingFrameIndex(MFI->CreateStackObject(RC->getSize(),
-                                                       RC->getAlignment(),
-                                                       false));
-  }
-}
-
 unsigned BlackfinRegisterInfo::getRARegister() const {
   return BF::RETS;
 }
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.h b/lib/Target/Blackfin/BlackfinRegisterInfo.h
index 0c47d25..642b8ad 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.h
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.h
@@ -52,9 +52,6 @@ namespace llvm {
     void eliminateFrameIndex(MachineBasicBlock::iterator II,
                              int SPAdj, RegScavenger *RS = NULL) const;
 
-    void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
-                                              RegScavenger *RS) const;
-
     unsigned getFrameRegister(const MachineFunction &MF) const;
     unsigned getRARegister() const;