Merge "Update aosp/master LLVM for rebase to r230699."

1 files changed, 366 insertions, 385 deletions

diff --git a/include/llvm/IR/PatternMatch.h b/include/llvm/IR/PatternMatch.h
index 4783062..f94e105 100644
--- a/include/llvm/IR/PatternMatch.h
+++ b/include/llvm/IR/PatternMatch.h
@@ -38,55 +38,58 @@
 namespace llvm {
 namespace PatternMatch {
 
-template<typename Val, typename Pattern>
-bool match(Val *V, const Pattern &P) {
-  return const_cast<Pattern&>(P).match(V);
+template <typename Val, typename Pattern> bool match(Val *V, const Pattern &P) {
+  return const_cast<Pattern &>(P).match(V);
 }
 
-
-template<typename SubPattern_t>
-struct OneUse_match {
+template <typename SubPattern_t> struct OneUse_match {
   SubPattern_t SubPattern;
 
   OneUse_match(const SubPattern_t &SP) : SubPattern(SP) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
+  template <typename OpTy> bool match(OpTy *V) {
     return V->hasOneUse() && SubPattern.match(V);
   }
 };
 
-template<typename T>
-inline OneUse_match<T> m_OneUse(const T &SubPattern) { return SubPattern; }
-
+template <typename T> inline OneUse_match<T> m_OneUse(const T &SubPattern) {
+  return SubPattern;
+}
 
-template<typename Class>
-struct class_match {
-  template<typename ITy>
-  bool match(ITy *V) { return isa<Class>(V); }
+template <typename Class> struct class_match {
+  template <typename ITy> bool match(ITy *V) { return isa<Class>(V); }
 };
 
-/// m_Value() - Match an arbitrary value and ignore it.
+/// \brief Match an arbitrary value and ignore it.
 inline class_match<Value> m_Value() { return class_match<Value>(); }
-/// m_ConstantInt() - Match an arbitrary ConstantInt and ignore it.
+
+/// \brief Match an arbitrary binary operation and ignore it.
+inline class_match<BinaryOperator> m_BinOp() {
+  return class_match<BinaryOperator>();
+}
+
+/// \brief Matches any compare instruction and ignore it.
+inline class_match<CmpInst> m_Cmp() { return class_match<CmpInst>(); }
+
+/// \brief Match an arbitrary ConstantInt and ignore it.
 inline class_match<ConstantInt> m_ConstantInt() {
   return class_match<ConstantInt>();
 }
-/// m_Undef() - Match an arbitrary undef constant.
+
+/// \brief Match an arbitrary undef constant.
 inline class_match<UndefValue> m_Undef() { return class_match<UndefValue>(); }
 
+/// \brief Match an arbitrary Constant and ignore it.
 inline class_match<Constant> m_Constant() { return class_match<Constant>(); }
 
 /// Matching combinators
-template<typename LTy, typename RTy>
-struct match_combine_or {
+template <typename LTy, typename RTy> struct match_combine_or {
   LTy L;
   RTy R;
 
-  match_combine_or(const LTy &Left, const RTy &Right) : L(Left), R(Right) { }
+  match_combine_or(const LTy &Left, const RTy &Right) : L(Left), R(Right) {}
 
-  template<typename ITy>
-  bool match(ITy *V) {
+  template <typename ITy> bool match(ITy *V) {
     if (L.match(V))
       return true;
     if (R.match(V))
@@ -95,15 +98,13 @@ struct match_combine_or {
   }
 };
 
-template<typename LTy, typename RTy>
-struct match_combine_and {
+template <typename LTy, typename RTy> struct match_combine_and {
   LTy L;
   RTy R;
 
-  match_combine_and(const LTy &Left, const RTy &Right) : L(Left), R(Right) { }
+  match_combine_and(const LTy &Left, const RTy &Right) : L(Left), R(Right) {}
 
-  template<typename ITy>
-  bool match(ITy *V) {
+  template <typename ITy> bool match(ITy *V) {
     if (L.match(V))
       if (R.match(V))
         return true;
@@ -112,46 +113,44 @@ struct match_combine_and {
 };
 
 /// Combine two pattern matchers matching L || R
-template<typename LTy, typename RTy>
+template <typename LTy, typename RTy>
 inline match_combine_or<LTy, RTy> m_CombineOr(const LTy &L, const RTy &R) {
   return match_combine_or<LTy, RTy>(L, R);
 }
 
 /// Combine two pattern matchers matching L && R
-template<typename LTy, typename RTy>
+template <typename LTy, typename RTy>
 inline match_combine_and<LTy, RTy> m_CombineAnd(const LTy &L, const RTy &R) {
   return match_combine_and<LTy, RTy>(L, R);
 }
 
 struct match_zero {
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (const Constant *C = dyn_cast<Constant>(V))
+  template <typename ITy> bool match(ITy *V) {
+    if (const auto *C = dyn_cast<Constant>(V))
       return C->isNullValue();
     return false;
   }
 };
 
-/// m_Zero() - Match an arbitrary zero/null constant.  This includes
+/// \brief Match an arbitrary zero/null constant.  This includes
 /// zero_initializer for vectors and ConstantPointerNull for pointers.
 inline match_zero m_Zero() { return match_zero(); }
 
 struct match_neg_zero {
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (const Constant *C = dyn_cast<Constant>(V))
+  template <typename ITy> bool match(ITy *V) {
+    if (const auto *C = dyn_cast<Constant>(V))
       return C->isNegativeZeroValue();
     return false;
   }
 };
 
-/// m_NegZero() - Match an arbitrary zero/null constant.  This includes
+/// \brief Match an arbitrary zero/null constant.  This includes
 /// zero_initializer for vectors and ConstantPointerNull for pointers. For
 /// floating point constants, this will match negative zero but not positive
 /// zero
 inline match_neg_zero m_NegZero() { return match_neg_zero(); }
 
-/// m_AnyZero() - Match an arbitrary zero/null constant.  This includes
+/// \brief - Match an arbitrary zero/null constant.  This includes
 /// zero_initializer for vectors and ConstantPointerNull for pointers. For
 /// floating point constants, this will match negative zero and positive zero
 inline match_combine_or<match_zero, match_neg_zero> m_AnyZero() {
@@ -161,16 +160,14 @@ inline match_combine_or<match_zero, match_neg_zero> m_AnyZero() {
 struct apint_match {
   const APInt *&Res;
   apint_match(const APInt *&R) : Res(R) {}
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
+  template <typename ITy> bool match(ITy *V) {
+    if (auto *CI = dyn_cast<ConstantInt>(V)) {
       Res = &CI->getValue();
       return true;
     }
     if (V->getType()->isVectorTy())
-      if (const Constant *C = dyn_cast<Constant>(V))
-        if (ConstantInt *CI =
-            dyn_cast_or_null<ConstantInt>(C->getSplatValue())) {
+      if (const auto *C = dyn_cast<Constant>(V))
+        if (auto *CI = dyn_cast_or_null<ConstantInt>(C->getSplatValue())) {
           Res = &CI->getValue();
           return true;
         }
@@ -178,16 +175,13 @@ struct apint_match {
   }
 };
 
-/// m_APInt - Match a ConstantInt or splatted ConstantVector, binding the
+/// \brief Match a ConstantInt or splatted ConstantVector, binding the
 /// specified pointer to the contained APInt.
 inline apint_match m_APInt(const APInt *&Res) { return Res; }
 
-
-template<int64_t Val>
-struct constantint_match {
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
+template <int64_t Val> struct constantint_match {
+  template <typename ITy> bool match(ITy *V) {
+    if (const auto *CI = dyn_cast<ConstantInt>(V)) {
       const APInt &CIV = CI->getValue();
       if (Val >= 0)
         return CIV == static_cast<uint64_t>(Val);
@@ -200,45 +194,39 @@ struct constantint_match {
   }
 };
 
-/// m_ConstantInt<int64_t> - Match a ConstantInt with a specific value.
-template<int64_t Val>
-inline constantint_match<Val> m_ConstantInt() {
+/// \brief Match a ConstantInt with a specific value.
+template <int64_t Val> inline constantint_match<Val> m_ConstantInt() {
   return constantint_match<Val>();
 }
 
-/// cst_pred_ty - This helper class is used to match scalar and vector constants
-/// that satisfy a specified predicate.
-template<typename Predicate>
-struct cst_pred_ty : public Predicate {
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (const ConstantInt *CI = dyn_cast<ConstantInt>(V))
+/// \brief This helper class is used to match scalar and vector constants that
+/// satisfy a specified predicate.
+template <typename Predicate> struct cst_pred_ty : public Predicate {
+  template <typename ITy> bool match(ITy *V) {
+    if (const auto *CI = dyn_cast<ConstantInt>(V))
       return this->isValue(CI->getValue());
     if (V->getType()->isVectorTy())
-      if (const Constant *C = dyn_cast<Constant>(V))
-        if (const ConstantInt *CI =
-            dyn_cast_or_null<ConstantInt>(C->getSplatValue()))
+      if (const auto *C = dyn_cast<Constant>(V))
+        if (const auto *CI = dyn_cast_or_null<ConstantInt>(C->getSplatValue()))
           return this->isValue(CI->getValue());
     return false;
   }
 };
 
-/// api_pred_ty - This helper class is used to match scalar and vector constants
-/// that satisfy a specified predicate, and bind them to an APInt.
-template<typename Predicate>
-struct api_pred_ty : public Predicate {
+/// \brief This helper class is used to match scalar and vector constants that
+/// satisfy a specified predicate, and bind them to an APInt.
+template <typename Predicate> struct api_pred_ty : public Predicate {
   const APInt *&Res;
   api_pred_ty(const APInt *&R) : Res(R) {}
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (const ConstantInt *CI = dyn_cast<ConstantInt>(V))
+  template <typename ITy> bool match(ITy *V) {
+    if (const auto *CI = dyn_cast<ConstantInt>(V))
       if (this->isValue(CI->getValue())) {
         Res = &CI->getValue();
         return true;
       }
     if (V->getType()->isVectorTy())
-      if (const Constant *C = dyn_cast<Constant>(V))
-        if (ConstantInt *CI = dyn_cast_or_null<ConstantInt>(C->getSplatValue()))
+      if (const auto *C = dyn_cast<Constant>(V))
+        if (auto *CI = dyn_cast_or_null<ConstantInt>(C->getSplatValue()))
           if (this->isValue(CI->getValue())) {
             Res = &CI->getValue();
             return true;
@@ -248,12 +236,11 @@ struct api_pred_ty : public Predicate {
   }
 };
 
-
 struct is_one {
   bool isValue(const APInt &C) { return C == 1; }
 };
 
-/// m_One() - Match an integer 1 or a vector with all elements equal to 1.
+/// \brief Match an integer 1 or a vector with all elements equal to 1.
 inline cst_pred_ty<is_one> m_One() { return cst_pred_ty<is_one>(); }
 inline api_pred_ty<is_one> m_One(const APInt *&V) { return V; }
 
@@ -261,34 +248,43 @@ struct is_all_ones {
   bool isValue(const APInt &C) { return C.isAllOnesValue(); }
 };
 
-/// m_AllOnes() - Match an integer or vector with all bits set to true.
-inline cst_pred_ty<is_all_ones> m_AllOnes() {return cst_pred_ty<is_all_ones>();}
+/// \brief Match an integer or vector with all bits set to true.
+inline cst_pred_ty<is_all_ones> m_AllOnes() {
+  return cst_pred_ty<is_all_ones>();
+}
 inline api_pred_ty<is_all_ones> m_AllOnes(const APInt *&V) { return V; }
 
 struct is_sign_bit {
   bool isValue(const APInt &C) { return C.isSignBit(); }
 };
 
-/// m_SignBit() - Match an integer or vector with only the sign bit(s) set.
-inline cst_pred_ty<is_sign_bit> m_SignBit() {return cst_pred_ty<is_sign_bit>();}
+/// \brief Match an integer or vector with only the sign bit(s) set.
+inline cst_pred_ty<is_sign_bit> m_SignBit() {
+  return cst_pred_ty<is_sign_bit>();
+}
 inline api_pred_ty<is_sign_bit> m_SignBit(const APInt *&V) { return V; }
 
 struct is_power2 {
   bool isValue(const APInt &C) { return C.isPowerOf2(); }
 };
 
-/// m_Power2() - Match an integer or vector power of 2.
+/// \brief Match an integer or vector power of 2.
 inline cst_pred_ty<is_power2> m_Power2() { return cst_pred_ty<is_power2>(); }
 inline api_pred_ty<is_power2> m_Power2(const APInt *&V) { return V; }
 
-template<typename Class>
-struct bind_ty {
+struct is_maxsignedvalue {
+  bool isValue(const APInt &C) { return C.isMaxSignedValue(); }
+};
+
+inline cst_pred_ty<is_maxsignedvalue> m_MaxSignedValue() { return cst_pred_ty<is_maxsignedvalue>(); }
+inline api_pred_ty<is_maxsignedvalue> m_MaxSignedValue(const APInt *&V) { return V; }
+
+template <typename Class> struct bind_ty {
   Class *&VR;
   bind_ty(Class *&V) : VR(V) {}
 
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (Class *CV = dyn_cast<Class>(V)) {
+  template <typename ITy> bool match(ITy *V) {
+    if (auto *CV = dyn_cast<Class>(V)) {
       VR = CV;
       return true;
     }
@@ -296,64 +292,62 @@ struct bind_ty {
   }
 };
 
-/// m_Value - Match a value, capturing it if we match.
+/// \brief Match a value, capturing it if we match.
 inline bind_ty<Value> m_Value(Value *&V) { return V; }
 
-/// m_ConstantInt - Match a ConstantInt, capturing the value if we match.
+/// \brief Match a binary operator, capturing it if we match.
+inline bind_ty<BinaryOperator> m_BinOp(BinaryOperator *&I) { return I; }
+
+/// \brief Match a ConstantInt, capturing the value if we match.
 inline bind_ty<ConstantInt> m_ConstantInt(ConstantInt *&CI) { return CI; }
 
-/// m_Constant - Match a Constant, capturing the value if we match.
+/// \brief Match a Constant, capturing the value if we match.
 inline bind_ty<Constant> m_Constant(Constant *&C) { return C; }
 
-/// m_ConstantFP - Match a ConstantFP, capturing the value if we match.
+/// \brief Match a ConstantFP, capturing the value if we match.
 inline bind_ty<ConstantFP> m_ConstantFP(ConstantFP *&C) { return C; }
 
-/// specificval_ty - Match a specified Value*.
+/// \brief Match a specified Value*.
 struct specificval_ty {
   const Value *Val;
   specificval_ty(const Value *V) : Val(V) {}
 
-  template<typename ITy>
-  bool match(ITy *V) {
-    return V == Val;
-  }
+  template <typename ITy> bool match(ITy *V) { return V == Val; }
 };
 
-/// m_Specific - Match if we have a specific specified value.
+/// \brief Match if we have a specific specified value.
 inline specificval_ty m_Specific(const Value *V) { return V; }
 
-/// Match a specified floating point value or vector of all elements of that
-/// value.
+/// \brief Match a specified floating point value or vector of all elements of
+/// that value.
 struct specific_fpval {
   double Val;
   specific_fpval(double V) : Val(V) {}
 
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (const ConstantFP *CFP = dyn_cast<ConstantFP>(V))
+  template <typename ITy> bool match(ITy *V) {
+    if (const auto *CFP = dyn_cast<ConstantFP>(V))
       return CFP->isExactlyValue(Val);
     if (V->getType()->isVectorTy())
-      if (const Constant *C = dyn_cast<Constant>(V))
-        if (ConstantFP *CFP = dyn_cast_or_null<ConstantFP>(C->getSplatValue()))
+      if (const auto *C = dyn_cast<Constant>(V))
+        if (auto *CFP = dyn_cast_or_null<ConstantFP>(C->getSplatValue()))
           return CFP->isExactlyValue(Val);
     return false;
   }
 };
 
-/// Match a specific floating point value or vector with all elements equal to
-/// the value.
+/// \brief Match a specific floating point value or vector with all elements
+/// equal to the value.
 inline specific_fpval m_SpecificFP(double V) { return specific_fpval(V); }
 
-/// Match a float 1.0 or vector with all elements equal to 1.0.
+/// \brief Match a float 1.0 or vector with all elements equal to 1.0.
 inline specific_fpval m_FPOne() { return m_SpecificFP(1.0); }
 
 struct bind_const_intval_ty {
   uint64_t &VR;
   bind_const_intval_ty(uint64_t &V) : VR(V) {}
 
-  template<typename ITy>
-  bool match(ITy *V) {
-    if (ConstantInt *CV = dyn_cast<ConstantInt>(V))
+  template <typename ITy> bool match(ITy *V) {
+    if (const auto *CV = dyn_cast<ConstantInt>(V))
       if (CV->getBitWidth() <= 64) {
         VR = CV->getZExtValue();
         return true;
@@ -362,14 +356,14 @@ struct bind_const_intval_ty {
   }
 };
 
-/// Match a specified integer value or vector of all elements of that value.
+/// \brief Match a specified integer value or vector of all elements of that
+// value.
 struct specific_intval {
   uint64_t Val;
   specific_intval(uint64_t V) : Val(V) {}
 
-  template<typename ITy>
-  bool match(ITy *V) {
-    ConstantInt *CI = dyn_cast<ConstantInt>(V);
+  template <typename ITy> bool match(ITy *V) {
+    const auto *CI = dyn_cast<ConstantInt>(V);
     if (!CI && V->getType()->isVectorTy())
       if (const auto *C = dyn_cast<Constant>(V))
         CI = dyn_cast_or_null<ConstantInt>(C->getSplatValue());
@@ -381,156 +375,177 @@ struct specific_intval {
   }
 };
 
-/// Match a specific integer value or vector with all elements equal to the
-/// value.
+/// \brief Match a specific integer value or vector with all elements equal to
+/// the value.
 inline specific_intval m_SpecificInt(uint64_t V) { return specific_intval(V); }
 
-/// m_ConstantInt - Match a ConstantInt and bind to its value.  This does not
-/// match ConstantInts wider than 64-bits.
+/// \brief Match a ConstantInt and bind to its value.  This does not match
+/// ConstantInts wider than 64-bits.
 inline bind_const_intval_ty m_ConstantInt(uint64_t &V) { return V; }
 
 //===----------------------------------------------------------------------===//
+// Matcher for any binary operator.
+//
+template <typename LHS_t, typename RHS_t> struct AnyBinaryOp_match {
+  LHS_t L;
+  RHS_t R;
+
+  AnyBinaryOp_match(const LHS_t &LHS, const RHS_t &RHS) : L(LHS), R(RHS) {}
+
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *I = dyn_cast<BinaryOperator>(V))
+      return L.match(I->getOperand(0)) && R.match(I->getOperand(1));
+    return false;
+  }
+};
+
+template <typename LHS, typename RHS>
+inline AnyBinaryOp_match<LHS, RHS> m_BinOp(const LHS &L, const RHS &R) {
+  return AnyBinaryOp_match<LHS, RHS>(L, R);
+}
+
+//===----------------------------------------------------------------------===//
 // Matchers for specific binary operators.
 //
 
-template<typename LHS_t, typename RHS_t, unsigned Opcode>
+template <typename LHS_t, typename RHS_t, unsigned Opcode>
 struct BinaryOp_match {
   LHS_t L;
   RHS_t R;
 
   BinaryOp_match(const LHS_t &LHS, const RHS_t &RHS) : L(LHS), R(RHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
+  template <typename OpTy> bool match(OpTy *V) {
     if (V->getValueID() == Value::InstructionVal + Opcode) {
-      BinaryOperator *I = cast<BinaryOperator>(V);
+      auto *I = cast<BinaryOperator>(V);
       return L.match(I->getOperand(0)) && R.match(I->getOperand(1));
     }
-    if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
+    if (auto *CE = dyn_cast<ConstantExpr>(V))
       return CE->getOpcode() == Opcode && L.match(CE->getOperand(0)) &&
              R.match(CE->getOperand(1));
     return false;
   }
 };
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::Add>
-m_Add(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::Add> m_Add(const LHS &L,
+                                                        const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::Add>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::FAdd>
-m_FAdd(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::FAdd> m_FAdd(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::FAdd>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::Sub>
-m_Sub(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::Sub> m_Sub(const LHS &L,
+                                                        const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::Sub>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::FSub>
-m_FSub(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::FSub> m_FSub(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::FSub>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::Mul>
-m_Mul(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::Mul> m_Mul(const LHS &L,
+                                                        const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::Mul>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::FMul>
-m_FMul(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::FMul> m_FMul(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::FMul>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::UDiv>
-m_UDiv(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::UDiv> m_UDiv(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::UDiv>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::SDiv>
-m_SDiv(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::SDiv> m_SDiv(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::SDiv>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::FDiv>
-m_FDiv(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::FDiv> m_FDiv(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::FDiv>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::URem>
-m_URem(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::URem> m_URem(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::URem>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::SRem>
-m_SRem(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::SRem> m_SRem(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::SRem>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::FRem>
-m_FRem(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::FRem> m_FRem(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::FRem>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::And>
-m_And(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::And> m_And(const LHS &L,
+                                                        const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::And>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::Or>
-m_Or(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::Or> m_Or(const LHS &L,
+                                                      const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::Or>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::Xor>
-m_Xor(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::Xor> m_Xor(const LHS &L,
+                                                        const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::Xor>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::Shl>
-m_Shl(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::Shl> m_Shl(const LHS &L,
+                                                        const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::Shl>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::LShr>
-m_LShr(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::LShr> m_LShr(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::LShr>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline BinaryOp_match<LHS, RHS, Instruction::AShr>
-m_AShr(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline BinaryOp_match<LHS, RHS, Instruction::AShr> m_AShr(const LHS &L,
+                                                          const RHS &R) {
   return BinaryOp_match<LHS, RHS, Instruction::AShr>(L, R);
 }
 
-template<typename LHS_t, typename RHS_t, unsigned Opcode, unsigned WrapFlags = 0>
+template <typename LHS_t, typename RHS_t, unsigned Opcode,
+          unsigned WrapFlags = 0>
 struct OverflowingBinaryOp_match {
   LHS_t L;
   RHS_t R;
 
-  OverflowingBinaryOp_match(const LHS_t &LHS, const RHS_t &RHS) : L(LHS), R(RHS) {}
+  OverflowingBinaryOp_match(const LHS_t &LHS, const RHS_t &RHS)
+      : L(LHS), R(RHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (OverflowingBinaryOperator *Op = dyn_cast<OverflowingBinaryOperator>(V)) {
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *Op = dyn_cast<OverflowingBinaryOperator>(V)) {
       if (Op->getOpcode() != Opcode)
         return false;
       if (WrapFlags & OverflowingBinaryOperator::NoUnsignedWrap &&
@@ -614,43 +629,42 @@ m_NUWShl(const LHS &L, const RHS &R) {
 //===----------------------------------------------------------------------===//
 // Class that matches two different binary ops.
 //
-template<typename LHS_t, typename RHS_t, unsigned Opc1, unsigned Opc2>
+template <typename LHS_t, typename RHS_t, unsigned Opc1, unsigned Opc2>
 struct BinOp2_match {
   LHS_t L;
   RHS_t R;
 
   BinOp2_match(const LHS_t &LHS, const RHS_t &RHS) : L(LHS), R(RHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
+  template <typename OpTy> bool match(OpTy *V) {
     if (V->getValueID() == Value::InstructionVal + Opc1 ||
         V->getValueID() == Value::InstructionVal + Opc2) {
-      BinaryOperator *I = cast<BinaryOperator>(V);
+      auto *I = cast<BinaryOperator>(V);
       return L.match(I->getOperand(0)) && R.match(I->getOperand(1));
     }
-    if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
+    if (auto *CE = dyn_cast<ConstantExpr>(V))
       return (CE->getOpcode() == Opc1 || CE->getOpcode() == Opc2) &&
              L.match(CE->getOperand(0)) && R.match(CE->getOperand(1));
     return false;
   }
 };
 
-/// m_Shr - Matches LShr or AShr.
-template<typename LHS, typename RHS>
+/// \brief Matches LShr or AShr.
+template <typename LHS, typename RHS>
 inline BinOp2_match<LHS, RHS, Instruction::LShr, Instruction::AShr>
 m_Shr(const LHS &L, const RHS &R) {
   return BinOp2_match<LHS, RHS, Instruction::LShr, Instruction::AShr>(L, R);
 }
 
-/// m_LogicalShift - Matches LShr or Shl.
-template<typename LHS, typename RHS>
+/// \brief Matches LShr or Shl.
+template <typename LHS, typename RHS>
 inline BinOp2_match<LHS, RHS, Instruction::LShr, Instruction::Shl>
 m_LogicalShift(const LHS &L, const RHS &R) {
   return BinOp2_match<LHS, RHS, Instruction::LShr, Instruction::Shl>(L, R);
 }
 
-/// m_IDiv - Matches UDiv and SDiv.
-template<typename LHS, typename RHS>
+/// \brief Matches UDiv and SDiv.
+template <typename LHS, typename RHS>
 inline BinOp2_match<LHS, RHS, Instruction::SDiv, Instruction::UDiv>
 m_IDiv(const LHS &L, const RHS &R) {
   return BinOp2_match<LHS, RHS, Instruction::SDiv, Instruction::UDiv>(L, R);
@@ -659,38 +673,36 @@ m_IDiv(const LHS &L, const RHS &R) {
 //===----------------------------------------------------------------------===//
 // Class that matches exact binary ops.
 //
-template<typename SubPattern_t>
-struct Exact_match {
+template <typename SubPattern_t> struct Exact_match {
   SubPattern_t SubPattern;
 
   Exact_match(const SubPattern_t &SP) : SubPattern(SP) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
+  template <typename OpTy> bool match(OpTy *V) {
     if (PossiblyExactOperator *PEO = dyn_cast<PossiblyExactOperator>(V))
       return PEO->isExact() && SubPattern.match(V);
     return false;
   }
 };
 
-template<typename T>
-inline Exact_match<T> m_Exact(const T &SubPattern) { return SubPattern; }
+template <typename T> inline Exact_match<T> m_Exact(const T &SubPattern) {
+  return SubPattern;
+}
 
 //===----------------------------------------------------------------------===//
 // Matchers for CmpInst classes
 //
 
-template<typename LHS_t, typename RHS_t, typename Class, typename PredicateTy>
+template <typename LHS_t, typename RHS_t, typename Class, typename PredicateTy>
 struct CmpClass_match {
   PredicateTy &Predicate;
   LHS_t L;
   RHS_t R;
 
   CmpClass_match(PredicateTy &Pred, const LHS_t &LHS, const RHS_t &RHS)
-    : Predicate(Pred), L(LHS), R(RHS) {}
+      : Predicate(Pred), L(LHS), R(RHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
+  template <typename OpTy> bool match(OpTy *V) {
     if (Class *I = dyn_cast<Class>(V))
       if (L.match(I->getOperand(0)) && R.match(I->getOperand(1))) {
         Predicate = I->getPredicate();
@@ -700,123 +712,114 @@ struct CmpClass_match {
   }
 };
 
-template<typename LHS, typename RHS>
+template <typename LHS, typename RHS>
+inline CmpClass_match<LHS, RHS, CmpInst, CmpInst::Predicate>
+m_Cmp(CmpInst::Predicate &Pred, const LHS &L, const RHS &R) {
+  return CmpClass_match<LHS, RHS, CmpInst, CmpInst::Predicate>(Pred, L, R);
+}
+
+template <typename LHS, typename RHS>
 inline CmpClass_match<LHS, RHS, ICmpInst, ICmpInst::Predicate>
 m_ICmp(ICmpInst::Predicate &Pred, const LHS &L, const RHS &R) {
-  return CmpClass_match<LHS, RHS,
-                        ICmpInst, ICmpInst::Predicate>(Pred, L, R);
+  return CmpClass_match<LHS, RHS, ICmpInst, ICmpInst::Predicate>(Pred, L, R);
 }
 
-template<typename LHS, typename RHS>
+template <typename LHS, typename RHS>
 inline CmpClass_match<LHS, RHS, FCmpInst, FCmpInst::Predicate>
 m_FCmp(FCmpInst::Predicate &Pred, const LHS &L, const RHS &R) {
-  return CmpClass_match<LHS, RHS,
-                        FCmpInst, FCmpInst::Predicate>(Pred, L, R);
+  return CmpClass_match<LHS, RHS, FCmpInst, FCmpInst::Predicate>(Pred, L, R);
 }
 
 //===----------------------------------------------------------------------===//
 // Matchers for SelectInst classes
 //
 
-template<typename Cond_t, typename LHS_t, typename RHS_t>
+template <typename Cond_t, typename LHS_t, typename RHS_t>
 struct SelectClass_match {
   Cond_t C;
   LHS_t L;
   RHS_t R;
 
-  SelectClass_match(const Cond_t &Cond, const LHS_t &LHS,
-                    const RHS_t &RHS)
-    : C(Cond), L(LHS), R(RHS) {}
+  SelectClass_match(const Cond_t &Cond, const LHS_t &LHS, const RHS_t &RHS)
+      : C(Cond), L(LHS), R(RHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (SelectInst *I = dyn_cast<SelectInst>(V))
-      return C.match(I->getOperand(0)) &&
-             L.match(I->getOperand(1)) &&
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *I = dyn_cast<SelectInst>(V))
+      return C.match(I->getOperand(0)) && L.match(I->getOperand(1)) &&
              R.match(I->getOperand(2));
     return false;
   }
 };
 
-template<typename Cond, typename LHS, typename RHS>
-inline SelectClass_match<Cond, LHS, RHS>
-m_Select(const Cond &C, const LHS &L, const RHS &R) {
+template <typename Cond, typename LHS, typename RHS>
+inline SelectClass_match<Cond, LHS, RHS> m_Select(const Cond &C, const LHS &L,
+                                                  const RHS &R) {
   return SelectClass_match<Cond, LHS, RHS>(C, L, R);
 }
 
-/// m_SelectCst - This matches a select of two constants, e.g.:
-///    m_SelectCst<-1, 0>(m_Value(V))
-template<int64_t L, int64_t R, typename Cond>
-inline SelectClass_match<Cond, constantint_match<L>, constantint_match<R> >
+/// \brief This matches a select of two constants, e.g.:
+/// m_SelectCst<-1, 0>(m_Value(V))
+template <int64_t L, int64_t R, typename Cond>
+inline SelectClass_match<Cond, constantint_match<L>, constantint_match<R>>
 m_SelectCst(const Cond &C) {
   return m_Select(C, m_ConstantInt<L>(), m_ConstantInt<R>());
 }
 
-
 //===----------------------------------------------------------------------===//
 // Matchers for CastInst classes
 //
 
-template<typename Op_t, unsigned Opcode>
-struct CastClass_match {
+template <typename Op_t, unsigned Opcode> struct CastClass_match {
   Op_t Op;
 
   CastClass_match(const Op_t &OpMatch) : Op(OpMatch) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (Operator *O = dyn_cast<Operator>(V))
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *O = dyn_cast<Operator>(V))
       return O->getOpcode() == Opcode && Op.match(O->getOperand(0));
     return false;
   }
 };
 
-/// m_BitCast
-template<typename OpTy>
-inline CastClass_match<OpTy, Instruction::BitCast>
-m_BitCast(const OpTy &Op) {
+/// \brief Matches BitCast.
+template <typename OpTy>
+inline CastClass_match<OpTy, Instruction::BitCast> m_BitCast(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::BitCast>(Op);
 }
 
-/// m_PtrToInt
-template<typename OpTy>
-inline CastClass_match<OpTy, Instruction::PtrToInt>
-m_PtrToInt(const OpTy &Op) {
+/// \brief Matches PtrToInt.
+template <typename OpTy>
+inline CastClass_match<OpTy, Instruction::PtrToInt> m_PtrToInt(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::PtrToInt>(Op);
 }
 
-/// m_Trunc
-template<typename OpTy>
-inline CastClass_match<OpTy, Instruction::Trunc>
-m_Trunc(const OpTy &Op) {
+/// \brief Matches Trunc.
+template <typename OpTy>
+inline CastClass_match<OpTy, Instruction::Trunc> m_Trunc(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::Trunc>(Op);
 }
 
-/// m_SExt
-template<typename OpTy>
-inline CastClass_match<OpTy, Instruction::SExt>
-m_SExt(const OpTy &Op) {
+/// \brief Matches SExt.
+template <typename OpTy>
+inline CastClass_match<OpTy, Instruction::SExt> m_SExt(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::SExt>(Op);
 }
 
-/// m_ZExt
-template<typename OpTy>
-inline CastClass_match<OpTy, Instruction::ZExt>
-m_ZExt(const OpTy &Op) {
+/// \brief Matches ZExt.
+template <typename OpTy>
+inline CastClass_match<OpTy, Instruction::ZExt> m_ZExt(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::ZExt>(Op);
 }
 
-/// m_UIToFP
-template<typename OpTy>
-inline CastClass_match<OpTy, Instruction::UIToFP>
-m_UIToFP(const OpTy &Op) {
+/// \brief Matches UIToFP.
+template <typename OpTy>
+inline CastClass_match<OpTy, Instruction::UIToFP> m_UIToFP(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::UIToFP>(Op);
 }
 
-/// m_SIToFP
-template<typename OpTy>
-inline CastClass_match<OpTy, Instruction::SIToFP>
-m_SIToFP(const OpTy &Op) {
+/// \brief Matches SIToFP.
+template <typename OpTy>
+inline CastClass_match<OpTy, Instruction::SIToFP> m_SIToFP(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::SIToFP>(Op);
 }
 
@@ -824,46 +827,41 @@ m_SIToFP(const OpTy &Op) {
 // Matchers for unary operators
 //
 
-template<typename LHS_t>
-struct not_match {
+template <typename LHS_t> struct not_match {
   LHS_t L;
 
   not_match(const LHS_t &LHS) : L(LHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (Operator *O = dyn_cast<Operator>(V))
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *O = dyn_cast<Operator>(V))
       if (O->getOpcode() == Instruction::Xor)
         return matchIfNot(O->getOperand(0), O->getOperand(1));
     return false;
   }
+
 private:
   bool matchIfNot(Value *LHS, Value *RHS) {
     return (isa<ConstantInt>(RHS) || isa<ConstantDataVector>(RHS) ||
             // FIXME: Remove CV.
             isa<ConstantVector>(RHS)) &&
-           cast<Constant>(RHS)->isAllOnesValue() &&
-           L.match(LHS);
+           cast<Constant>(RHS)->isAllOnesValue() && L.match(LHS);
   }
 };
 
-template<typename LHS>
-inline not_match<LHS> m_Not(const LHS &L) { return L; }
+template <typename LHS> inline not_match<LHS> m_Not(const LHS &L) { return L; }
 
-
-template<typename LHS_t>
-struct neg_match {
+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 (Operator *O = dyn_cast<Operator>(V))
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *O = dyn_cast<Operator>(V))
       if (O->getOpcode() == Instruction::Sub)
         return matchIfNeg(O->getOperand(0), O->getOperand(1));
     return false;
   }
+
 private:
   bool matchIfNeg(Value *LHS, Value *RHS) {
     return ((isa<ConstantInt>(LHS) && cast<ConstantInt>(LHS)->isZero()) ||
@@ -872,36 +870,33 @@ private:
   }
 };
 
-/// m_Neg - Match an integer negate.
-template<typename LHS>
-inline neg_match<LHS> m_Neg(const LHS &L) { return L; }
-
+/// \brief Match an integer negate.
+template <typename LHS> inline neg_match<LHS> m_Neg(const LHS &L) { return L; }
 
-template<typename LHS_t>
-struct fneg_match {
+template <typename LHS_t> struct fneg_match {
   LHS_t L;
 
   fneg_match(const LHS_t &LHS) : L(LHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (Operator *O = dyn_cast<Operator>(V))
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *O = dyn_cast<Operator>(V))
       if (O->getOpcode() == Instruction::FSub)
         return matchIfFNeg(O->getOperand(0), O->getOperand(1));
     return false;
   }
+
 private:
   bool matchIfFNeg(Value *LHS, Value *RHS) {
-    if (ConstantFP *C = dyn_cast<ConstantFP>(LHS))
+    if (const auto *C = dyn_cast<ConstantFP>(LHS))
       return C->isNegativeZeroValue() && L.match(RHS);
     return false;
   }
 };
 
-/// m_FNeg - Match a floating point negate.
-template<typename LHS>
-inline fneg_match<LHS> m_FNeg(const LHS &L) { return L; }
-
+/// \brief Match a floating point negate.
+template <typename LHS> inline fneg_match<LHS> m_FNeg(const LHS &L) {
+  return L;
+}
 
 //===----------------------------------------------------------------------===//
 // Matchers for control flow.
@@ -909,13 +904,10 @@ inline fneg_match<LHS> m_FNeg(const LHS &L) { return L; }
 
 struct br_match {
   BasicBlock *&Succ;
-  br_match(BasicBlock *&Succ)
-    : Succ(Succ) {
-  }
+  br_match(BasicBlock *&Succ) : Succ(Succ) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (BranchInst *BI = dyn_cast<BranchInst>(V))
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *BI = dyn_cast<BranchInst>(V))
       if (BI->isUnconditional()) {
         Succ = BI->getSuccessor(0);
         return true;
@@ -926,17 +918,14 @@ struct br_match {
 
 inline br_match m_UnconditionalBr(BasicBlock *&Succ) { return br_match(Succ); }
 
-template<typename Cond_t>
-struct brc_match {
+template <typename Cond_t> struct brc_match {
   Cond_t Cond;
   BasicBlock *&T, *&F;
   brc_match(const Cond_t &C, BasicBlock *&t, BasicBlock *&f)
-    : Cond(C), T(t), F(f) {
-  }
+      : Cond(C), T(t), F(f) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (BranchInst *BI = dyn_cast<BranchInst>(V))
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *BI = dyn_cast<BranchInst>(V))
       if (BI->isConditional() && Cond.match(BI->getCondition())) {
         T = BI->getSuccessor(0);
         F = BI->getSuccessor(1);
@@ -946,31 +935,28 @@ struct brc_match {
   }
 };
 
-template<typename Cond_t>
+template <typename Cond_t>
 inline brc_match<Cond_t> m_Br(const Cond_t &C, BasicBlock *&T, BasicBlock *&F) {
   return brc_match<Cond_t>(C, T, F);
 }
 
-
 //===----------------------------------------------------------------------===//
 // Matchers for max/min idioms, eg: "select (sgt x, y), x, y" -> smax(x,y).
 //
 
-template<typename CmpInst_t, typename LHS_t, typename RHS_t, typename Pred_t>
+template <typename CmpInst_t, typename LHS_t, typename RHS_t, typename Pred_t>
 struct MaxMin_match {
   LHS_t L;
   RHS_t R;
 
-  MaxMin_match(const LHS_t &LHS, const RHS_t &RHS)
-    : L(LHS), R(RHS) {}
+  MaxMin_match(const LHS_t &LHS, const RHS_t &RHS) : L(LHS), R(RHS) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
+  template <typename OpTy> bool match(OpTy *V) {
     // Look for "(x pred y) ? x : y" or "(x pred y) ? y : x".
-    SelectInst *SI = dyn_cast<SelectInst>(V);
+    auto *SI = dyn_cast<SelectInst>(V);
     if (!SI)
       return false;
-    CmpInst_t *Cmp = dyn_cast<CmpInst_t>(SI->getCondition());
+    auto *Cmp = dyn_cast<CmpInst_t>(SI->getCondition());
     if (!Cmp)
       return false;
     // At this point we have a select conditioned on a comparison.  Check that
@@ -982,8 +968,8 @@ struct MaxMin_match {
     if ((TrueVal != LHS || FalseVal != RHS) &&
         (TrueVal != RHS || FalseVal != LHS))
       return false;
-    typename CmpInst_t::Predicate Pred = LHS == TrueVal ?
-      Cmp->getPredicate() : Cmp->getSwappedPredicate();
+    typename CmpInst_t::Predicate Pred =
+        LHS == TrueVal ? Cmp->getPredicate() : Cmp->getSwappedPredicate();
     // Does "(x pred y) ? x : y" represent the desired max/min operation?
     if (!Pred_t::match(Pred))
       return false;
@@ -992,83 +978,83 @@ struct MaxMin_match {
   }
 };
 
-/// smax_pred_ty - Helper class for identifying signed max predicates.
+/// \brief Helper class for identifying signed max predicates.
 struct smax_pred_ty {
   static bool match(ICmpInst::Predicate Pred) {
     return Pred == CmpInst::ICMP_SGT || Pred == CmpInst::ICMP_SGE;
   }
 };
 
-/// smin_pred_ty - Helper class for identifying signed min predicates.
+/// \brief Helper class for identifying signed min predicates.
 struct smin_pred_ty {
   static bool match(ICmpInst::Predicate Pred) {
     return Pred == CmpInst::ICMP_SLT || Pred == CmpInst::ICMP_SLE;
   }
 };
 
-/// umax_pred_ty - Helper class for identifying unsigned max predicates.
+/// \brief Helper class for identifying unsigned max predicates.
 struct umax_pred_ty {
   static bool match(ICmpInst::Predicate Pred) {
     return Pred == CmpInst::ICMP_UGT || Pred == CmpInst::ICMP_UGE;
   }
 };
 
-/// umin_pred_ty - Helper class for identifying unsigned min predicates.
+/// \brief Helper class for identifying unsigned min predicates.
 struct umin_pred_ty {
   static bool match(ICmpInst::Predicate Pred) {
     return Pred == CmpInst::ICMP_ULT || Pred == CmpInst::ICMP_ULE;
   }
 };
 
-/// ofmax_pred_ty - Helper class for identifying ordered max predicates.
+/// \brief Helper class for identifying ordered max predicates.
 struct ofmax_pred_ty {
   static bool match(FCmpInst::Predicate Pred) {
     return Pred == CmpInst::FCMP_OGT || Pred == CmpInst::FCMP_OGE;
   }
 };
 
-/// ofmin_pred_ty - Helper class for identifying ordered min predicates.
+/// \brief Helper class for identifying ordered min predicates.
 struct ofmin_pred_ty {
   static bool match(FCmpInst::Predicate Pred) {
     return Pred == CmpInst::FCMP_OLT || Pred == CmpInst::FCMP_OLE;
   }
 };
 
-/// ufmax_pred_ty - Helper class for identifying unordered max predicates.
+/// \brief Helper class for identifying unordered max predicates.
 struct ufmax_pred_ty {
   static bool match(FCmpInst::Predicate Pred) {
     return Pred == CmpInst::FCMP_UGT || Pred == CmpInst::FCMP_UGE;
   }
 };
 
-/// ufmin_pred_ty - Helper class for identifying unordered min predicates.
+/// \brief Helper class for identifying unordered min predicates.
 struct ufmin_pred_ty {
   static bool match(FCmpInst::Predicate Pred) {
     return Pred == CmpInst::FCMP_ULT || Pred == CmpInst::FCMP_ULE;
   }
 };
 
-template<typename LHS, typename RHS>
-inline MaxMin_match<ICmpInst, LHS, RHS, smax_pred_ty>
-m_SMax(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline MaxMin_match<ICmpInst, LHS, RHS, smax_pred_ty> m_SMax(const LHS &L,
+                                                             const RHS &R) {
   return MaxMin_match<ICmpInst, LHS, RHS, smax_pred_ty>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline MaxMin_match<ICmpInst, LHS, RHS, smin_pred_ty>
-m_SMin(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline MaxMin_match<ICmpInst, LHS, RHS, smin_pred_ty> m_SMin(const LHS &L,
+                                                             const RHS &R) {
   return MaxMin_match<ICmpInst, LHS, RHS, smin_pred_ty>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline MaxMin_match<ICmpInst, LHS, RHS, umax_pred_ty>
-m_UMax(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline MaxMin_match<ICmpInst, LHS, RHS, umax_pred_ty> m_UMax(const LHS &L,
+                                                             const RHS &R) {
   return MaxMin_match<ICmpInst, LHS, RHS, umax_pred_ty>(L, R);
 }
 
-template<typename LHS, typename RHS>
-inline MaxMin_match<ICmpInst, LHS, RHS, umin_pred_ty>
-m_UMin(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline MaxMin_match<ICmpInst, LHS, RHS, umin_pred_ty> m_UMin(const LHS &L,
+                                                             const RHS &R) {
   return MaxMin_match<ICmpInst, LHS, RHS, umin_pred_ty>(L, R);
 }
 
@@ -1081,9 +1067,9 @@ m_UMin(const LHS &L, const RHS &R) {
 ///
 ///                         max(L, R)  iff L and R are not NaN
 ///  m_OrdFMax(L, R) =      R          iff L or R are NaN
-template<typename LHS, typename RHS>
-inline MaxMin_match<FCmpInst, LHS, RHS, ofmax_pred_ty>
-m_OrdFMax(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline MaxMin_match<FCmpInst, LHS, RHS, ofmax_pred_ty> m_OrdFMax(const LHS &L,
+                                                                 const RHS &R) {
   return MaxMin_match<FCmpInst, LHS, RHS, ofmax_pred_ty>(L, R);
 }
 
@@ -1096,9 +1082,9 @@ m_OrdFMax(const LHS &L, const RHS &R) {
 ///
 ///                         max(L, R)  iff L and R are not NaN
 ///  m_OrdFMin(L, R) =      R          iff L or R are NaN
-template<typename LHS, typename RHS>
-inline MaxMin_match<FCmpInst, LHS, RHS, ofmin_pred_ty>
-m_OrdFMin(const LHS &L, const RHS &R) {
+template <typename LHS, typename RHS>
+inline MaxMin_match<FCmpInst, LHS, RHS, ofmin_pred_ty> m_OrdFMin(const LHS &L,
+                                                                 const RHS &R) {
   return MaxMin_match<FCmpInst, LHS, RHS, ofmin_pred_ty>(L, R);
 }
 
@@ -1111,7 +1097,7 @@ m_OrdFMin(const LHS &L, const RHS &R) {
 ///
 ///                         max(L, R)  iff L and R are not NaN
 ///  m_UnordFMin(L, R) =    L          iff L or R are NaN
-template<typename LHS, typename RHS>
+template <typename LHS, typename RHS>
 inline MaxMin_match<FCmpInst, LHS, RHS, ufmax_pred_ty>
 m_UnordFMax(const LHS &L, const RHS &R) {
   return MaxMin_match<FCmpInst, LHS, RHS, ufmax_pred_ty>(L, R);
@@ -1126,40 +1112,37 @@ m_UnordFMax(const LHS &L, const RHS &R) {
 ///
 ///                          max(L, R)  iff L and R are not NaN
 ///  m_UnordFMin(L, R) =     L          iff L or R are NaN
-template<typename LHS, typename RHS>
+template <typename LHS, typename RHS>
 inline MaxMin_match<FCmpInst, LHS, RHS, ufmin_pred_ty>
 m_UnordFMin(const LHS &L, const RHS &R) {
   return MaxMin_match<FCmpInst, LHS, RHS, ufmin_pred_ty>(L, R);
 }
 
-template<typename Opnd_t>
-struct Argument_match {
+template <typename Opnd_t> struct Argument_match {
   unsigned OpI;
   Opnd_t Val;
-  Argument_match(unsigned OpIdx, const Opnd_t &V) : OpI(OpIdx), Val(V) { }
+  Argument_match(unsigned OpIdx, const Opnd_t &V) : OpI(OpIdx), Val(V) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
+  template <typename OpTy> bool match(OpTy *V) {
     CallSite CS(V);
     return CS.isCall() && Val.match(CS.getArgument(OpI));
   }
 };
 
-/// Match an argument
-template<unsigned OpI, typename Opnd_t>
+/// \brief Match an argument.
+template <unsigned OpI, typename Opnd_t>
 inline Argument_match<Opnd_t> m_Argument(const Opnd_t &Op) {
   return Argument_match<Opnd_t>(OpI, Op);
 }
 
-/// Intrinsic matchers.
+/// \brief Intrinsic matchers.
 struct IntrinsicID_match {
   unsigned ID;
-  IntrinsicID_match(Intrinsic::ID IntrID) : ID(IntrID) { }
+  IntrinsicID_match(Intrinsic::ID IntrID) : ID(IntrID) {}
 
-  template<typename OpTy>
-  bool match(OpTy *V) {
-    if (const CallInst *CI = dyn_cast<CallInst>(V))
-      if (const Function *F = CI->getCalledFunction())
+  template <typename OpTy> bool match(OpTy *V) {
+    if (const auto *CI = dyn_cast<CallInst>(V))
+      if (const auto *F = CI->getCalledFunction())
         return F->getIntrinsicID() == ID;
     return false;
   }
@@ -1172,73 +1155,71 @@ struct IntrinsicID_match {
 template <typename T0 = void, typename T1 = void, typename T2 = void,
           typename T3 = void, typename T4 = void, typename T5 = void,
           typename T6 = void, typename T7 = void, typename T8 = void,
-          typename T9 = void, typename T10 = void> struct m_Intrinsic_Ty;
-template <typename T0>
-struct m_Intrinsic_Ty<T0> {
-  typedef match_combine_and<IntrinsicID_match, Argument_match<T0> > Ty;
+          typename T9 = void, typename T10 = void>
+struct m_Intrinsic_Ty;
+template <typename T0> struct m_Intrinsic_Ty<T0> {
+  typedef match_combine_and<IntrinsicID_match, Argument_match<T0>> Ty;
 };
-template <typename T0, typename T1>
-struct m_Intrinsic_Ty<T0, T1> {
-  typedef match_combine_and<typename m_Intrinsic_Ty<T0>::Ty,
-                            Argument_match<T1> > Ty;
+template <typename T0, typename T1> struct m_Intrinsic_Ty<T0, T1> {
+  typedef match_combine_and<typename m_Intrinsic_Ty<T0>::Ty, Argument_match<T1>>
+      Ty;
 };
 template <typename T0, typename T1, typename T2>
 struct m_Intrinsic_Ty<T0, T1, T2> {
   typedef match_combine_and<typename m_Intrinsic_Ty<T0, T1>::Ty,
-                            Argument_match<T2> > Ty;
+                            Argument_match<T2>> Ty;
 };
 template <typename T0, typename T1, typename T2, typename T3>
 struct m_Intrinsic_Ty<T0, T1, T2, T3> {
   typedef match_combine_and<typename m_Intrinsic_Ty<T0, T1, T2>::Ty,
-                            Argument_match<T3> > Ty;
+                            Argument_match<T3>> Ty;
 };
 
-/// Match intrinsic calls like this:
-///   m_Intrinsic<Intrinsic::fabs>(m_Value(X))
-template <Intrinsic::ID IntrID>
-inline IntrinsicID_match
-m_Intrinsic() { return IntrinsicID_match(IntrID); }
+/// \brief Match intrinsic calls like this:
+/// m_Intrinsic<Intrinsic::fabs>(m_Value(X))
+template <Intrinsic::ID IntrID> inline IntrinsicID_match m_Intrinsic() {
+  return IntrinsicID_match(IntrID);
+}
 
-template<Intrinsic::ID IntrID, typename T0>
-inline typename m_Intrinsic_Ty<T0>::Ty
-m_Intrinsic(const T0 &Op0) {
+template <Intrinsic::ID IntrID, typename T0>
+inline typename m_Intrinsic_Ty<T0>::Ty m_Intrinsic(const T0 &Op0) {
   return m_CombineAnd(m_Intrinsic<IntrID>(), m_Argument<0>(Op0));
 }
 
-template<Intrinsic::ID IntrID, typename T0, typename T1>
-inline typename m_Intrinsic_Ty<T0, T1>::Ty
-m_Intrinsic(const T0 &Op0, const T1 &Op1) {
+template <Intrinsic::ID IntrID, typename T0, typename T1>
+inline typename m_Intrinsic_Ty<T0, T1>::Ty m_Intrinsic(const T0 &Op0,
+                                                       const T1 &Op1) {
   return m_CombineAnd(m_Intrinsic<IntrID>(Op0), m_Argument<1>(Op1));
 }
 
-template<Intrinsic::ID IntrID, typename T0, typename T1, typename T2>
+template <Intrinsic::ID IntrID, typename T0, typename T1, typename T2>
 inline typename m_Intrinsic_Ty<T0, T1, T2>::Ty
 m_Intrinsic(const T0 &Op0, const T1 &Op1, const T2 &Op2) {
   return m_CombineAnd(m_Intrinsic<IntrID>(Op0, Op1), m_Argument<2>(Op2));
 }
 
-template<Intrinsic::ID IntrID, typename T0, typename T1, typename T2, typename T3>
+template <Intrinsic::ID IntrID, typename T0, typename T1, typename T2,
+          typename T3>
 inline typename m_Intrinsic_Ty<T0, T1, T2, T3>::Ty
 m_Intrinsic(const T0 &Op0, const T1 &Op1, const T2 &Op2, const T3 &Op3) {
   return m_CombineAnd(m_Intrinsic<IntrID>(Op0, Op1, Op2), m_Argument<3>(Op3));
 }
 
-// Helper intrinsic matching specializations
-template<typename Opnd0>
-inline typename m_Intrinsic_Ty<Opnd0>::Ty
-m_BSwap(const Opnd0 &Op0) {
+// Helper intrinsic matching specializations.
+template <typename Opnd0>
+inline typename m_Intrinsic_Ty<Opnd0>::Ty m_BSwap(const Opnd0 &Op0) {
   return m_Intrinsic<Intrinsic::bswap>(Op0);
 }
 
-template<typename Opnd0, typename Opnd1>
-inline typename m_Intrinsic_Ty<Opnd0, Opnd1>::Ty
-m_FMin(const Opnd0 &Op0, const Opnd1 &Op1) {
+template <typename Opnd0, typename Opnd1>
+inline typename m_Intrinsic_Ty<Opnd0, Opnd1>::Ty m_FMin(const Opnd0 &Op0,
+                                                        const Opnd1 &Op1) {
   return m_Intrinsic<Intrinsic::minnum>(Op0, Op1);
 }
 
-template<typename Opnd0, typename Opnd1>
-inline typename m_Intrinsic_Ty<Opnd0, Opnd1>::Ty
-m_FMax(const Opnd0 &Op0, const Opnd1 &Op1) {
+template <typename Opnd0, typename Opnd1>
+inline typename m_Intrinsic_Ty<Opnd0, Opnd1>::Ty m_FMax(const Opnd0 &Op0,
+                                                        const Opnd1 &Op1) {
   return m_Intrinsic<Intrinsic::maxnum>(Op0, Op1);
 }