Class: LLVM::Constant

Inherits:
User show all
Defined in:
lib/llvm/core/value.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from User

#operands

Methods inherited from Value

#==, #add_attribute, #constant?, #dump, #eql?, from_ptr, #initialize, #name, #name=, #null?, to_ptr, #to_ptr, type, #type, #undefined?

Constructor Details

This class inherits a constructor from LLVM::Value

Class Method Details

.null(type) ⇒ Object

Creates a null constant of Type.



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# File 'lib/llvm/core/value.rb', line 226

def self.null(type)
  from_ptr(C.LLVMConstNull(type))
end

.null_ptr(type) ⇒ Object

Creates a null pointer constant of Type.



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# File 'lib/llvm/core/value.rb', line 236

def self.null_ptr(type)
  from_ptr(C.LLVMConstPointerNull(type))
end

.undef(type) ⇒ Object

Creates a undefined constant of Type.



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# File 'lib/llvm/core/value.rb', line 231

def self.undef(type)
  from_ptr(C.LLVMGetUndef(type))
end

Instance Method Details

#bitcast_to(type) ⇒ Object

Bitcast this constant to Type.



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# File 'lib/llvm/core/value.rb', line 241

def bitcast_to(type)
  ConstantExpr.from_ptr(C.LLVMConstBitCast(self, type))
end

#gep(*indices) ⇒ Object

Returns the element pointer at the given indices of the constant. For more information on gep go to: llvm.org/docs/GetElementPtr.html



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# File 'lib/llvm/core/value.rb', line 247

def gep(*indices)
  indices = Array(indices)
  FFI::MemoryPointer.new(FFI.type_size(:pointer) * indices.size) do |indices_ptr|
    indices_ptr.write_array_of_pointer(indices)
    return ConstantExpr.from_ptr(
      C.LLVMConstGEP(self, indices_ptr, indices.size))
  end
end