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Diffstat (limited to 'clang-r353983/include/llvm/ExecutionEngine/GenericValue.h')
| -rw-r--r-- | clang-r353983/include/llvm/ExecutionEngine/GenericValue.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/clang-r353983/include/llvm/ExecutionEngine/GenericValue.h b/clang-r353983/include/llvm/ExecutionEngine/GenericValue.h new file mode 100644 index 00000000..1ca989da --- /dev/null +++ b/clang-r353983/include/llvm/ExecutionEngine/GenericValue.h @@ -0,0 +1,54 @@ +//===- GenericValue.h - Represent any type of LLVM value --------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// The GenericValue class is used to represent an LLVM value of arbitrary type. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_EXECUTIONENGINE_GENERICVALUE_H +#define LLVM_EXECUTIONENGINE_GENERICVALUE_H + +#include "llvm/ADT/APInt.h" +#include <vector> + +namespace llvm { + +using PointerTy = void *; + +struct GenericValue { + struct IntPair { + unsigned int first; + unsigned int second; + }; + union { + double DoubleVal; + float FloatVal; + PointerTy PointerVal; + struct IntPair UIntPairVal; + unsigned char Untyped[8]; + }; + APInt IntVal; // also used for long doubles. + // For aggregate data types. + std::vector<GenericValue> AggregateVal; + + // to make code faster, set GenericValue to zero could be omitted, but it is + // potentially can cause problems, since GenericValue to store garbage + // instead of zero. + GenericValue() : IntVal(1, 0) { + UIntPairVal.first = 0; + UIntPairVal.second = 0; + } + explicit GenericValue(void *V) : PointerVal(V), IntVal(1, 0) {} +}; + +inline GenericValue PTOGV(void *P) { return GenericValue(P); } +inline void *GVTOP(const GenericValue &GV) { return GV.PointerVal; } + +} // end namespace llvm + +#endif // LLVM_EXECUTIONENGINE_GENERICVALUE_H |
