1 files changed, 0 insertions, 31 deletions
diff --git a/include/llvm/Support/PatternMatch.h b/include/llvm/Support/PatternMatch.h
index f0acbcb..97e9b5f 100644
--- a/include/llvm/Support/PatternMatch.h
+++ b/include/llvm/Support/PatternMatch.h
@@ -306,37 +306,6 @@ m_FCmp(FCmpInst::Predicate &Pred, const LHS &L, const RHS &R) {
 //
 
 template<typename LHS_t>
-struct neg_match {
-  LHS_t L;
-
-  neg_match(const LHS_t &LHS) : L(LHS) {}
-
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (Instruction *I = dyn_cast<Instruction>(V))
-      if (I->getOpcode() == Instruction::Sub)
-        return matchIfNeg(I->getOperand(0), I->getOperand(1));
-    if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
-      if (CE->getOpcode() == Instruction::Sub)
-        return matchIfNeg(CE->getOperand(0), CE->getOperand(1));
-    if (ConstantInt *CI = dyn_cast<ConstantInt>(V))
-      return L.match(ConstantExpr::getNeg(CI));
-    return false;
-  }
-private:
-  bool matchIfNeg(Value *LHS, Value *RHS) {
-    if (!LHS->getType()->isFloatingPoint())
-      return LHS == Constant::getNullValue(LHS->getType()) && L.match(RHS);
-    else
-      return LHS == ConstantFP::get(LHS->getType(), -0.0) && L.match(RHS);
-  }
-};
-
-template<typename LHS>
-inline neg_match<LHS> m_Neg(const LHS &L) { return L; }
-
-
-template<typename LHS_t>
 struct not_match {
   LHS_t L;