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//===----- CGSystemRuntime.h - Interface to System specific Runtimes ------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This provides an abstract class for system specific runtime calls.
//
//===----------------------------------------------------------------------===//
#ifndef FLANG_CODEGEN_SYSTEMRUNTIME_H
#define FLANG_CODEGEN_SYSTEMRUNTIME_H
#include "flang/AST/Stmt.h"
namespace llvm {
class Value;
class Type;
}
namespace flang {
namespace CodeGen {
class CodeGenFunction;
class CodeGenModule;
class CGSystemRuntime {
protected:
CodeGenModule &CGM;
public:
CGSystemRuntime(CodeGenModule &cgm) : CGM(cgm) {}
virtual ~CGSystemRuntime();
virtual void EmitInit(CodeGenFunction &CGF) = 0;
virtual llvm::Value *EmitMalloc(CodeGenFunction &CGF, llvm::Value *Size) = 0;
llvm::Value *EmitMalloc(CodeGenFunction &CGF, llvm::Type *T, llvm::Value *Size);
virtual void EmitFree(CodeGenFunction &CGF, llvm::Value *Ptr) = 0;
virtual llvm::Value *EmitETIME(CodeGenFunction &CGF, ArrayRef<Expr*> Arguments) = 0;
};
/// Creates an instance of a Libflang System runtime class.
CGSystemRuntime *CreateLibflangSystemRuntime(CodeGenModule &CGM);
}
} // end namespace flang
#endif
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