Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of

MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 0 insertions, 13 deletions

diff --git a/lib/Target/Alpha/AlphaInstrInfo.cpp b/lib/Target/Alpha/AlphaInstrInfo.cpp
index 86173ff..39f0749 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.cpp
+++ b/lib/Target/Alpha/AlphaInstrInfo.cpp
@@ -392,18 +392,6 @@ void AlphaInstrInfo::insertNoop(MachineBasicBlock &MBB,
     .addReg(Alpha::R31);
 }
 
-bool AlphaInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB) const {
-  if (MBB.empty()) return false;
-  
-  switch (MBB.back().getOpcode()) {
-  case Alpha::RETDAG: // Return.
-  case Alpha::RETDAGp:
-  case Alpha::BR:     // Uncond branch.
-  case Alpha::JMP:  // Indirect branch.
-    return true;
-  default: return false;
-  }
-}
 bool AlphaInstrInfo::
 ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
   assert(Cond.size() == 2 && "Invalid Alpha branch opcode!");
diff --git a/lib/Target/Alpha/AlphaInstrInfo.h b/lib/Target/Alpha/AlphaInstrInfo.h
index 274f452..c3b6044 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.h
+++ b/lib/Target/Alpha/AlphaInstrInfo.h
@@ -78,7 +78,6 @@ public:
   unsigned RemoveBranch(MachineBasicBlock &MBB) const;
   void insertNoop(MachineBasicBlock &MBB, 
                   MachineBasicBlock::iterator MI) const;
-  bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const;
   bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;
 
   /// getGlobalBaseReg - Return a virtual register initialized with the