Move isUnpredicatedTerminator() default implementation to TargetInstrInfoImpl to break Target's dependency on CodeGen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146247 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 15 insertions, 13 deletions

diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 590fc1e..1903da7 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -535,7 +535,7 @@ public:
 
   /// isUnpredicatedTerminator - Returns true if the instruction is a
   /// terminator instruction that has not been predicated.
-  virtual bool isUnpredicatedTerminator(const MachineInstr *MI) const;
+  virtual bool isUnpredicatedTerminator(const MachineInstr *MI) const = 0;
 
   /// PredicateInstruction - Convert the instruction into a predicated
   /// instruction. It returns true if the operation was successful.
@@ -814,6 +814,7 @@ public:
   virtual bool hasStoreToStackSlot(const MachineInstr *MI,
                                    const MachineMemOperand *&MMO,
                                    int &FrameIndex) const;
+  virtual bool isUnpredicatedTerminator(const MachineInstr *MI) const;
   virtual bool PredicateInstruction(MachineInstr *MI,
                             const SmallVectorImpl<MachineOperand> &Pred) const;
   virtual void reMaterialize(MachineBasicBlock &MBB,
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp
index 5115d5b..ccbda98 100644
--- a/lib/CodeGen/TargetInstrInfoImpl.cpp
+++ b/lib/CodeGen/TargetInstrInfoImpl.cpp
@@ -139,6 +139,19 @@ bool TargetInstrInfoImpl::findCommutedOpIndices(MachineInstr *MI,
 }
 
 
+bool
+TargetInstrInfoImpl::isUnpredicatedTerminator(const MachineInstr *MI) const {
+  if (!MI->isTerminator()) return false;
+
+  // Conditional branch is a special case.
+  if (MI->isBranch() && !MI->isBarrier())
+    return true;
+  if (!MI->isPredicable())
+    return true;
+  return !isPredicated(MI);
+}
+
+
 bool TargetInstrInfoImpl::PredicateInstruction(MachineInstr *MI,
                             const SmallVectorImpl<MachineOperand> &Pred) const {
   bool MadeChange = false;
diff --git a/lib/Target/TargetInstrInfo.cpp b/lib/Target/TargetInstrInfo.cpp
index 2097a18..c5fbbd2 100644
--- a/lib/Target/TargetInstrInfo.cpp
+++ b/lib/Target/TargetInstrInfo.cpp
@@ -129,18 +129,6 @@ void TargetInstrInfo::insertNoop(MachineBasicBlock &MBB,
 }
 
 
-bool TargetInstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
-  if (!MI->isTerminator()) return false;
-
-  // Conditional branch is a special case.
-  if (MI->isBranch() && !MI->isBarrier())
-    return true;
-  if (!MI->isPredicable())
-    return true;
-  return !isPredicated(MI);
-}
-
-
 /// Measure the specified inline asm to determine an approximation of its
 /// length.
 /// Comments (which run till the next SeparatorString or newline) do not