1 //===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
3 // This file contains the entry points for global functions defined in the x86
4 // target library, as used by the LLVM JIT.
6 // FIXME: This file will be dramatically changed in the future
8 //===----------------------------------------------------------------------===//
17 /// createSimpleX86InstructionSelector - This pass converts an LLVM function
18 /// into a machine code representation is a very simple peep-hole fashion. The
19 /// generated code sucks but the implementation is nice and simple.
21 Pass *createSimpleX86InstructionSelector(TargetMachine &TM);
23 /// X86SimpleRegisterAllocation - This function converts the specified machine
24 /// code function from SSA form to use explicit registers by spilling every
25 /// register. Wow, great policy huh?
27 Pass *createSimpleX86RegisterAllocator(TargetMachine &TM);
29 /// createX86CodePrinterPass - Print out the specified machine code function to
30 /// the specified stream. This function should work regardless of whether or
31 /// not the function is in SSA form or not.
33 Pass *createX86CodePrinterPass(TargetMachine &TM, std::ostream &O);
35 /// X86EmitCodeToMemory - This function converts a register allocated function
36 /// into raw machine code in a dynamically allocated chunk of memory. A pointer
37 /// to the start of the function is returned.
39 Pass *createEmitX86CodeToMemory(TargetMachine &TM);
41 // Put symbolic names in a namespace to avoid causing these to clash with all
42 // kinds of other things...
45 // Defines a large number of symbolic names for X86 registers. This defines a
46 // mapping from register name to register number.
49 #define R(ENUM, NAME, FLAGS, TSFLAGS) ENUM,
50 #include "X86RegisterInfo.def"
53 // This defines a large number of symbolic names for X86 instruction opcodes.
55 #define I(ENUM, NAME, FLAGS, TSFLAGS) ENUM,
56 #include "X86InstrInfo.def"