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, 17 deletions

diff --git a/lib/Target/Mips/MipsInstrInfo.cpp b/lib/Target/Mips/MipsInstrInfo.cpp
index 6d8e160..48b9bdf 100644
--- a/lib/Target/Mips/MipsInstrInfo.cpp
+++ b/lib/Target/Mips/MipsInstrInfo.cpp
@@ -590,22 +590,6 @@ RemoveBranch(MachineBasicBlock &MBB) const
   return 2;
 }
 
-/// BlockHasNoFallThrough - Analyze if MachineBasicBlock does not
-/// fall-through into its successor block.
-bool MipsInstrInfo::
-BlockHasNoFallThrough(const MachineBasicBlock &MBB) const 
-{
-  if (MBB.empty()) return false;
-  
-  switch (MBB.back().getOpcode()) {
-  case Mips::RET:     // Return.
-  case Mips::JR:      // Indirect branch.
-  case Mips::J:       // Uncond branch.
-    return true;
-  default: return false;
-  }
-}
-
 /// ReverseBranchCondition - Return the inverse opcode of the 
 /// specified Branch instruction.
 bool MipsInstrInfo::
diff --git a/lib/Target/Mips/MipsInstrInfo.h b/lib/Target/Mips/MipsInstrInfo.h
index 249d3de..ab8dc59 100644
--- a/lib/Target/Mips/MipsInstrInfo.h
+++ b/lib/Target/Mips/MipsInstrInfo.h
@@ -232,7 +232,6 @@ public:
     return 0;
   }
   
-  virtual bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const;
   virtual
   bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;