X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86.h;h=27e88505150b4b4cef2bb5d3ee356be296bf7620;hb=1292c226458b68a119d3a387a0527f453b2065c2;hp=54e2861a5f6e8d173029b5671d748f8bb7ba22c5;hpb=f70e0c216c074bd2ae2b08178f5512849545db4e;p=oota-llvm.git diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h index 54e2861a5f6..27e88505150 100644 --- a/lib/Target/X86/X86.h +++ b/lib/Target/X86/X86.h @@ -1,10 +1,10 @@ //===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===// -// +// // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. -// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// //===----------------------------------------------------------------------===// // // This file contains the entry points for global functions defined in the x86 @@ -15,41 +15,29 @@ #ifndef TARGET_X86_H #define TARGET_X86_H -#include +#include "llvm/Target/TargetMachine.h" namespace llvm { -class TargetMachine; class FunctionPass; -class IntrinsicLowering; - -/// createX86SimpleInstructionSelector - This pass converts an LLVM function -/// into a machine code representation in a very simple peep-hole fashion. The -/// generated code sucks but the implementation is nice and simple. +class JITCodeEmitter; +class MCCodeEmitter; +class MCContext; +class MachineCodeEmitter; +class Target; +class TargetAsmBackend; +class X86TargetMachine; +class formatted_raw_ostream; + +/// createX86ISelDag - This pass converts a legalized DAG into a +/// X86-specific DAG, ready for instruction scheduling. /// -FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM); +FunctionPass *createX86ISelDag(X86TargetMachine &TM, + CodeGenOpt::Level OptLevel); -/// createX86PatternInstructionSelector - This pass converts an LLVM function -/// into a machine code representation using pattern matching and a machine -/// description file. -/// -FunctionPass *createX86PatternInstructionSelector(TargetMachine &TM); - -/// createX86SSAPeepholeOptimizerPass - Create a pass to perform SSA-based X86 -/// specific peephole optimizations. -/// -FunctionPass *createX86SSAPeepholeOptimizerPass(); - -/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole -/// optimizations. -/// -FunctionPass *createX86PeepholeOptimizerPass(); - -/// createX86FloatingPointKiller - This function returns a pass which -/// kills every floating point register at the end of each basic block -/// because our FloatingPointStackifier cannot handle them. -/// -FunctionPass *createX86FloatingPointKillerPass(); +/// createGlobalBaseRegPass - This pass initializes a global base +/// register for PIC on x86-32. +FunctionPass* createGlobalBaseRegPass(); /// createX86FloatingPointStackifierPass - This function returns a pass which /// converts floating point register references and pseudo instructions into @@ -57,12 +45,22 @@ FunctionPass *createX86FloatingPointKillerPass(); /// FunctionPass *createX86FloatingPointStackifierPass(); -/// createX86CodePrinterPass - Returns a pass that prints the X86 -/// assembly code for a MachineFunction to the given output stream, -/// using the given target machine description. This should work -/// regardless of whether the function is in SSA form. -/// -FunctionPass *createX86CodePrinterPass(std::ostream &o,TargetMachine &tm); +/// createSSEDomainFixPass - This pass twiddles SSE opcodes to prevent domain +/// crossings. +FunctionPass *createSSEDomainFixPass(); + +/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code +/// to the specified MCE object. +FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM, + JITCodeEmitter &JCE); + +MCCodeEmitter *createX86_32MCCodeEmitter(const Target &, TargetMachine &TM, + MCContext &Ctx); +MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM, + MCContext &Ctx); + +TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &); +TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &); /// createX86EmitCodeToMemory - Returns a pass that converts a register /// allocated function into raw machine code in a dynamically @@ -70,11 +68,19 @@ FunctionPass *createX86CodePrinterPass(std::ostream &o,TargetMachine &tm); /// FunctionPass *createEmitX86CodeToMemory(); +/// createX86MaxStackAlignmentHeuristicPass - This function returns a pass +/// which determines whether the frame pointer register should be +/// reserved in case dynamic stack alignment is later required. +/// +FunctionPass *createX86MaxStackAlignmentHeuristicPass(); + +extern Target TheX86_32Target, TheX86_64Target; + +} // End llvm namespace + // Defines symbolic names for X86 registers. This defines a mapping from // register name to register number. // -} // End llvm namespace - #include "X86GenRegisterNames.inc" // Defines symbolic names for the X86 instructions.