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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 /// \file | 10 /// \file |
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204 | 204 |
205 virtual bool hasFramePointer() const { return false; } | 205 virtual bool hasFramePointer() const { return false; } |
206 virtual void setHasFramePointer() = 0; | 206 virtual void setHasFramePointer() = 0; |
207 virtual SizeT getStackReg() const = 0; | 207 virtual SizeT getStackReg() const = 0; |
208 virtual SizeT getFrameReg() const = 0; | 208 virtual SizeT getFrameReg() const = 0; |
209 virtual SizeT getFrameOrStackReg() const = 0; | 209 virtual SizeT getFrameOrStackReg() const = 0; |
210 virtual size_t typeWidthInBytesOnStack(Type Ty) const = 0; | 210 virtual size_t typeWidthInBytesOnStack(Type Ty) const = 0; |
211 virtual uint32_t getStackAlignment() const = 0; | 211 virtual uint32_t getStackAlignment() const = 0; |
212 virtual void reserveFixedAllocaArea(size_t Size, size_t Align) = 0; | 212 virtual void reserveFixedAllocaArea(size_t Size, size_t Align) = 0; |
213 virtual int32_t getFrameFixedAllocaOffset() const = 0; | 213 virtual int32_t getFrameFixedAllocaOffset() const = 0; |
| 214 virtual uint32_t maxOutArgsSizeBytes() const { return 0; } |
214 | 215 |
215 /// Return whether a 64-bit Variable should be split into a Variable64On32. | 216 /// Return whether a 64-bit Variable should be split into a Variable64On32. |
216 virtual bool shouldSplitToVariable64On32(Type Ty) const = 0; | 217 virtual bool shouldSplitToVariable64On32(Type Ty) const = 0; |
217 | 218 |
218 bool hasComputedFrame() const { return HasComputedFrame; } | 219 bool hasComputedFrame() const { return HasComputedFrame; } |
219 /// Returns true if this function calls a function that has the "returns | 220 /// Returns true if this function calls a function that has the "returns |
220 /// twice" attribute. | 221 /// twice" attribute. |
221 bool callsReturnsTwice() const { return CallsReturnsTwice; } | 222 bool callsReturnsTwice() const { return CallsReturnsTwice; } |
222 void setCallsReturnsTwice(bool RetTwice) { CallsReturnsTwice = RetTwice; } | 223 void setCallsReturnsTwice(bool RetTwice) { CallsReturnsTwice = RetTwice; } |
223 int32_t getStackAdjustment() const { return StackAdjustment; } | 224 int32_t getStackAdjustment() const { return StackAdjustment; } |
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488 virtual void lower() {} | 489 virtual void lower() {} |
489 | 490 |
490 protected: | 491 protected: |
491 explicit TargetHeaderLowering(GlobalContext *Ctx) : Ctx(Ctx) {} | 492 explicit TargetHeaderLowering(GlobalContext *Ctx) : Ctx(Ctx) {} |
492 GlobalContext *Ctx; | 493 GlobalContext *Ctx; |
493 }; | 494 }; |
494 | 495 |
495 } // end of namespace Ice | 496 } // end of namespace Ice |
496 | 497 |
497 #endif // SUBZERO_SRC_ICETARGETLOWERING_H | 498 #endif // SUBZERO_SRC_ICETARGETLOWERING_H |
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