Tidy up formatting of some elses on a separate line from preceding bracing. No functi...

[oota-llvm.git] / include / llvm / Operator.h

diff --git a/include/llvm/Operator.h b/include/llvm/Operator.h
index ff2a0ad5e4e9893d807a0e01bfd97990988008a6..1e86980cf303fa5b59956aa60e2acb4ceded5cf8 100644 (file)
--- a/include/llvm/Operator.h
+++ b/include/llvm/Operator.h
@@ -15,8 +15,9 @@
 #ifndef LLVM_OPERATOR_H
 #define LLVM_OPERATOR_H
 
-#include "llvm/Instruction.h"
 #include "llvm/Constants.h"
+#include "llvm/Instruction.h"
+#include "llvm/Type.h"
 
 namespace llvm {
 
@@ -129,14 +130,15 @@ public:
     IsExact = (1 << 0)
   };
   
+private:
+  ~PossiblyExactOperator(); // do not implement
+
   friend class BinaryOperator;
   friend class ConstantExpr;
   void setIsExact(bool B) {
     SubclassOptionalData = (SubclassOptionalData & ~IsExact) | (B * IsExact);
   }
   
-private:
-  ~PossiblyExactOperator(); // do not implement
 public:
   /// isExact - Test whether this division is known to be exact, with
   /// zero remainder.
@@ -161,7 +163,28 @@ public:
            (isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
   }
 };
-  
+
+/// FPMathOperator - Utility class for floating point operations which can have
+/// information about relaxed accuracy requirements attached to them.
+class FPMathOperator : public Operator {
+private:
+  ~FPMathOperator(); // do not implement
+
+public:
+
+  /// \brief Get the maximum error permitted by this operation in ULPs.  An
+  /// accuracy of 0.0 means that the operation should be performed with the
+  /// default precision.
+  float getFPAccuracy() const;
+
+  static inline bool classof(const FPMathOperator *) { return true; }
+  static inline bool classof(const Instruction *I) {
+    return I->getType()->isFPOrFPVectorTy();
+  }
+  static inline bool classof(const Value *V) {
+    return isa<Instruction>(V) && classof(cast<Instruction>(V));
+  }
+};
 
   
 /// ConcreteOperator - A helper template for defining operators for individual
@@ -186,28 +209,46 @@ public:
 };
 
 class AddOperator
-  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Add> {};
+  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Add> {
+  ~AddOperator(); // DO NOT IMPLEMENT
+};
 class SubOperator
-  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Sub> {};
+  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Sub> {
+  ~SubOperator(); // DO NOT IMPLEMENT
+};
 class MulOperator
-  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Mul> {};
+  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Mul> {
+  ~MulOperator(); // DO NOT IMPLEMENT
+};
 class ShlOperator
-  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Shl> {};
+  : public ConcreteOperator<OverflowingBinaryOperator, Instruction::Shl> {
+  ~ShlOperator(); // DO NOT IMPLEMENT
+};
 
   
 class SDivOperator
-  : public ConcreteOperator<PossiblyExactOperator, Instruction::SDiv> {};
+  : public ConcreteOperator<PossiblyExactOperator, Instruction::SDiv> {
+  ~SDivOperator(); // DO NOT IMPLEMENT
+};
 class UDivOperator
-  : public ConcreteOperator<PossiblyExactOperator, Instruction::UDiv> {};
+  : public ConcreteOperator<PossiblyExactOperator, Instruction::UDiv> {
+  ~UDivOperator(); // DO NOT IMPLEMENT
+};
 class AShrOperator
-  : public ConcreteOperator<PossiblyExactOperator, Instruction::AShr> {};
+  : public ConcreteOperator<PossiblyExactOperator, Instruction::AShr> {
+  ~AShrOperator(); // DO NOT IMPLEMENT
+};
 class LShrOperator
-  : public ConcreteOperator<PossiblyExactOperator, Instruction::LShr> {};
+  : public ConcreteOperator<PossiblyExactOperator, Instruction::LShr> {
+  ~LShrOperator(); // DO NOT IMPLEMENT
+};
   
   
   
 class GEPOperator
   : public ConcreteOperator<Operator, Instruction::GetElementPtr> {
+  ~GEPOperator(); // DO NOT IMPLEMENT
+
   enum {
     IsInBounds = (1 << 0)
   };
@@ -243,8 +284,8 @@ public:
 
   /// getPointerOperandType - Method to return the pointer operand as a
   /// PointerType.
-  const PointerType *getPointerOperandType() const {
-    return reinterpret_cast<const PointerType*>(getPointerOperand()->getType());
+  Type *getPointerOperandType() const {
+    return getPointerOperand()->getType();
   }
 
   unsigned getNumIndices() const {  // Note: always non-negative