diff options
Diffstat (limited to 'include/llvm/LLVMContext.h')
| -rw-r--r-- | include/llvm/LLVMContext.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/llvm/LLVMContext.h b/include/llvm/LLVMContext.h index e71183855a..552e7992c6 100644 --- a/include/llvm/LLVMContext.h +++ b/include/llvm/LLVMContext.h @@ -70,12 +70,33 @@ public: // ConstantInt accessors ConstantInt* getConstantIntTrue(); ConstantInt* getConstantIntFalse(); + + /// If Ty is a vector type, return a Constant with a splat of the given + /// value. Otherwise return a ConstantInt for the given value. Constant* getConstantInt(const Type* Ty, uint64_t V, bool isSigned = false); + + /// Return a ConstantInt with the specified integer value for the specified + /// type. If the type is wider than 64 bits, the value will be zero-extended + /// to fit the type, unless isSigned is true, in which case the value will + /// be interpreted as a 64-bit signed integer and sign-extended to fit + /// the type. + /// @brief Get a ConstantInt for a specific value. ConstantInt* getConstantInt(const IntegerType* Ty, uint64_t V, bool isSigned = false); + + /// Return a ConstantInt with the specified value for the specified type. The + /// value V will be canonicalized to a an unsigned APInt. Accessing it with + /// either getSExtValue() or getZExtValue() will yield a correctly sized and + /// signed value for the type Ty. + /// @brief Get a ConstantInt for a specific signed value. ConstantInt* getConstantIntSigned(const IntegerType* Ty, int64_t V); + Constant *getConstantIntSigned(const Type *Ty, int64_t V); + ConstantInt* getConstantInt(const APInt& V); + + /// If Ty is a vector type, return a Constant with a splat of the given + /// value. Otherwise return a ConstantInt for the given value. Constant* getConstantInt(const Type* Ty, const APInt& V); // ConstantPointerNull accessors @@ -97,6 +118,13 @@ public: const std::vector<Constant*>& V); Constant* getConstantArray(const ArrayType* T, Constant* const* Vals, unsigned NumVals); + + /// This method constructs a ConstantArray and initializes it with a text + /// string. The default behavior (AddNull==true) causes a null terminator to + /// be placed at the end of the array. This effectively increases the length + /// of the array by one (you've been warned). However, in some situations + /// this is not desired so if AddNull==false then the string is copied without + /// null termination. Constant* getConstantArray(const std::string& Initializer, bool AddNull = true); |