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1 //===- subzero/src/IceTargetLowering.h - Lowering interface -----*- C++ -*-===// | 1 //===- subzero/src/IceTargetLowering.h - Lowering interface -----*- C++ -*-===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file declares the TargetLowering and LoweringContext | 10 // This file declares the TargetLowering and LoweringContext |
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192 // StackAdjustment keeps track of the current stack offset from its | 192 // StackAdjustment keeps track of the current stack offset from its |
193 // natural location, as arguments are pushed for a function call. | 193 // natural location, as arguments are pushed for a function call. |
194 int32_t StackAdjustment; | 194 int32_t StackAdjustment; |
195 LoweringContext Context; | 195 LoweringContext Context; |
196 | 196 |
197 private: | 197 private: |
198 TargetLowering(const TargetLowering &) LLVM_DELETED_FUNCTION; | 198 TargetLowering(const TargetLowering &) LLVM_DELETED_FUNCTION; |
199 TargetLowering &operator=(const TargetLowering &) LLVM_DELETED_FUNCTION; | 199 TargetLowering &operator=(const TargetLowering &) LLVM_DELETED_FUNCTION; |
200 }; | 200 }; |
201 | 201 |
| 202 // TargetGlobalInitLowering is used for "lowering" global |
| 203 // initializers. It is separated out from TargetLowering because it |
| 204 // does not require a Cfg. |
| 205 class TargetGlobalInitLowering { |
| 206 public: |
| 207 static TargetGlobalInitLowering *createLowering(TargetArch Target, |
| 208 GlobalContext *Ctx); |
| 209 // TODO: Allow relocations to be represented as part of the Data. |
| 210 virtual void lower(const IceString &Name, SizeT Align, bool IsInternal, |
| 211 bool IsConst, bool IsZeroInitializer, SizeT Size, |
| 212 const char *Data, bool DisableTranslation) = 0; |
| 213 |
| 214 protected: |
| 215 TargetGlobalInitLowering(GlobalContext *Ctx) : Ctx(Ctx) {} |
| 216 GlobalContext *Ctx; |
| 217 |
| 218 private: |
| 219 TargetGlobalInitLowering(const TargetGlobalInitLowering &) |
| 220 LLVM_DELETED_FUNCTION; |
| 221 TargetGlobalInitLowering & |
| 222 operator=(const TargetGlobalInitLowering &) LLVM_DELETED_FUNCTION; |
| 223 }; |
| 224 |
202 } // end of namespace Ice | 225 } // end of namespace Ice |
203 | 226 |
204 #endif // SUBZERO_SRC_ICETARGETLOWERING_H | 227 #endif // SUBZERO_SRC_ICETARGETLOWERING_H |
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