src/IceTargetLowering.h - Issue 2124973005: Selectively invert ICMP operands for better address optimization

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Issue 2124973005: Selectively invert ICMP operands for better address optimization (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: Address comments Created 4 years, 5 months ago

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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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389 virtual void lowerSelect(const InstSelect *Instr) = 0;	389 virtual void lowerSelect(const InstSelect *Instr) = 0;

390 virtual void lowerShuffleVector(const InstShuffleVector *Instr) = 0;	390 virtual void lowerShuffleVector(const InstShuffleVector *Instr) = 0;

391 virtual void lowerStore(const InstStore *Instr) = 0;	391 virtual void lowerStore(const InstStore *Instr) = 0;

392 virtual void lowerSwitch(const InstSwitch *Instr) = 0;	392 virtual void lowerSwitch(const InstSwitch *Instr) = 0;

393 virtual void lowerUnreachable(const InstUnreachable *Instr) = 0;	393 virtual void lowerUnreachable(const InstUnreachable *Instr) = 0;

394 virtual void lowerOther(const Inst *Instr);	394 virtual void lowerOther(const Inst *Instr);

395	395

396 virtual void genTargetHelperCallFor(Inst *Instr) = 0;	396 virtual void genTargetHelperCallFor(Inst *Instr) = 0;

397 virtual uint32_t getCallStackArgumentsSizeBytes(const InstCall *Instr) = 0;	397 virtual uint32_t getCallStackArgumentsSizeBytes(const InstCall *Instr) = 0;

398	398

	399 /// Opportunity to modify other instructions to help Address Optimization

	400 virtual void doAddressOptOther() {}

399 virtual void doAddressOptLoad() {}	401 virtual void doAddressOptLoad() {}

400 virtual void doAddressOptStore() {}	402 virtual void doAddressOptStore() {}

401 virtual void doMockBoundsCheck(Operand *) {}	403 virtual void doMockBoundsCheck(Operand *) {}

402 virtual void randomlyInsertNop(float Probability,	404 virtual void randomlyInsertNop(float Probability,

403 RandomNumberGenerator &RNG) = 0;	405 RandomNumberGenerator &RNG) = 0;

404 /// This gives the target an opportunity to post-process the lowered expansion	406 /// This gives the target an opportunity to post-process the lowered expansion

405 /// before returning.	407 /// before returning.

406 virtual void postLower() {}	408 virtual void postLower() {}

407	409

408 /// When the SkipUnimplemented flag is set, addFakeDefUses() gets invoked by	410 /// When the SkipUnimplemented flag is set, addFakeDefUses() gets invoked by

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619 virtual void lower() {}	621 virtual void lower() {}

620	622

621 protected:	623 protected:

622 explicit TargetHeaderLowering(GlobalContext *Ctx) : Ctx(Ctx) {}	624 explicit TargetHeaderLowering(GlobalContext *Ctx) : Ctx(Ctx) {}

623 GlobalContext *Ctx;	625 GlobalContext *Ctx;

624 };	626 };

625	627

626 } // end of namespace Ice	628 } // end of namespace Ice

627	629

628 #endif // SUBZERO_SRC_ICETARGETLOWERING_H	630 #endif // SUBZERO_SRC_ICETARGETLOWERING_H

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