-//===-- ConstantFolding.h - Fold instructions into constants --------------===//
+//===-- ConstantFolding.h - Fold instructions into constants ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
/// Note that this fails if not all of the operands are constant. Otherwise,
/// this function can only fail when attempting to fold instructions like loads
/// and stores, which have no constant expression form.
-Constant *ConstantFoldInstruction(Instruction *I, const DataLayout *TD = 0,
- const TargetLibraryInfo *TLI = 0);
+Constant *ConstantFoldInstruction(Instruction *I,
+ const DataLayout *TD = nullptr,
+ const TargetLibraryInfo *TLI = nullptr);
/// ConstantFoldConstantExpression - Attempt to fold the constant expression
/// using the specified DataLayout. If successful, the constant result is
/// result is returned, if not, null is returned.
Constant *ConstantFoldConstantExpression(const ConstantExpr *CE,
- const DataLayout *TD = 0,
- const TargetLibraryInfo *TLI = 0);
+ const DataLayout *TD = nullptr,
+ const TargetLibraryInfo *TLI =nullptr);
/// ConstantFoldInstOperands - Attempt to constant fold an instruction with the
/// specified operands. If successful, the constant result is returned, if not,
-/// null is returned. Note that this function can fail when attempting to
-/// fold instructions like loads and stores, which have no constant expression
+/// null is returned. Note that this function can fail when attempting to
+/// fold instructions like loads and stores, which have no constant expression
/// form.
///
Constant *ConstantFoldInstOperands(unsigned Opcode, Type *DestTy,
ArrayRef<Constant *> Ops,
- const DataLayout *TD = 0,
- const TargetLibraryInfo *TLI = 0);
+ const DataLayout *TD = nullptr,
+ const TargetLibraryInfo *TLI = nullptr);
/// ConstantFoldCompareInstOperands - Attempt to constant fold a compare
/// instruction (icmp/fcmp) with the specified operands. If it fails, it
///
Constant *ConstantFoldCompareInstOperands(unsigned Predicate,
Constant *LHS, Constant *RHS,
- const DataLayout *TD = 0,
- const TargetLibraryInfo *TLI = 0);
+ const DataLayout *TD = nullptr,
+ const TargetLibraryInfo *TLI=nullptr);
/// ConstantFoldInsertValueInstruction - Attempt to constant fold an insertvalue
/// instruction with the specified operands and indices. The constant result is
/// ConstantFoldLoadFromConstPtr - Return the value that a load from C would
/// produce if it is constant and determinable. If this is not determinable,
/// return null.
-Constant *ConstantFoldLoadFromConstPtr(Constant *C, const DataLayout *TD = 0);
+Constant *ConstantFoldLoadFromConstPtr(Constant *C,
+ const DataLayout *TD = nullptr);
/// ConstantFoldLoadThroughGEPConstantExpr - Given a constant and a
/// getelementptr constantexpr, return the constant value being addressed by the
/// ConstantFoldCall - Attempt to constant fold a call to the specified function
/// with the specified arguments, returning null if unsuccessful.
Constant *ConstantFoldCall(Function *F, ArrayRef<Constant *> Operands,
- const TargetLibraryInfo *TLI = 0);
+ const TargetLibraryInfo *TLI = nullptr);
}
#endif