[ARMConstantIslandPass] Remove dead code.

llvm-svn: 277283

diff --git a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
index ab25b01..237ba30 100644 (file)
--- a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -235,7 +235,6 @@ namespace {
     bool fixupConditionalBr(ImmBranch &Br);
     bool fixupUnconditionalBr(ImmBranch &Br);
     bool undoLRSpillRestore();
-    bool mayOptimizeThumb2Instruction(const MachineInstr *MI) const;
     bool optimizeThumb2Instructions();
     bool optimizeThumb2Branches();
     bool reorderThumb2JumpTables();
@@ -1699,25 +1698,6 @@ bool ARMConstantIslands::undoLRSpillRestore() {
   return MadeChange;
 }
 
-// mayOptimizeThumb2Instruction - Returns true if optimizeThumb2Instructions
-// below may shrink MI.
-bool
-ARMConstantIslands::mayOptimizeThumb2Instruction(const MachineInstr *MI) const {
-  switch(MI->getOpcode()) {
-    // optimizeThumb2Instructions.
-    case ARM::t2LEApcrel:
-    case ARM::t2LDRpci:
-    // optimizeThumb2Branches.
-    case ARM::t2B:
-    case ARM::t2Bcc:
-    case ARM::tBcc:
-    // optimizeThumb2JumpTables.
-    case ARM::t2BR_JT:
-      return true;
-  }
-  return false;
-}
-
 bool ARMConstantIslands::optimizeThumb2Instructions() {
   bool MadeChange = false;