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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152997 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
//===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the entry points for global functions defined in the x86
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// target library, as used by the LLVM JIT.
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//
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//===----------------------------------------------------------------------===//
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#ifndef TARGET_X86_H
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#define TARGET_X86_H
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#include "MCTargetDesc/X86BaseInfo.h"
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#include "MCTargetDesc/X86MCTargetDesc.h"
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#include "llvm/Support/DataTypes.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class FunctionPass;
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class JITCodeEmitter;
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class X86TargetMachine;
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/// createX86ISelDag - This pass converts a legalized DAG into a
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/// X86-specific DAG, ready for instruction scheduling.
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///
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FunctionPass *createX86ISelDag(X86TargetMachine &TM,
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CodeGenOpt::Level OptLevel);
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/// createGlobalBaseRegPass - This pass initializes a global base
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/// register for PIC on x86-32.
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FunctionPass* createGlobalBaseRegPass();
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/// createX86FloatingPointStackifierPass - This function returns a pass which
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/// converts floating point register references and pseudo instructions into
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/// floating point stack references and physical instructions.
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///
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FunctionPass *createX86FloatingPointStackifierPass();
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/// createX86IssueVZeroUpperPass - This pass inserts AVX vzeroupper instructions
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/// before each call to avoid transition penalty between functions encoded with
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/// AVX and SSE.
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FunctionPass *createX86IssueVZeroUpperPass();
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/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
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/// to the specified MCE object.
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FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
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JITCodeEmitter &JCE);
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/// createX86EmitCodeToMemory - Returns a pass that converts a register
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/// allocated function into raw machine code in a dynamically
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/// allocated chunk of memory.
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///
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FunctionPass *createEmitX86CodeToMemory();
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/// createX86MaxStackAlignmentHeuristicPass - This function returns a pass
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/// which determines whether the frame pointer register should be
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/// reserved in case dynamic stack alignment is later required.
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///
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FunctionPass *createX86MaxStackAlignmentHeuristicPass();
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} // End llvm namespace
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#endif
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