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 /// createSimpleRegisterAllocation - This function converts the specified
24 /// machine code function from SSA form to use explicit registers by spilling
25 /// every register. Wow, great policy huh?
27 Pass *createSimpleRegisterAllocator(TargetMachine &TM);
28 Pass *createLocalRegisterAllocator(TargetMachine &TM);
30 /// createX86CodePrinterPass - Print out the specified machine code function to
31 /// the specified stream. This function should work regardless of whether or
32 /// not the function is in SSA form or not.
34 Pass *createX86CodePrinterPass(TargetMachine &TM, std::ostream &O);
36 /// X86EmitCodeToMemory - This function converts a register allocated function
37 /// into raw machine code in a dynamically allocated chunk of memory. A pointer
38 /// to the start of the function is returned.
40 Pass *createEmitX86CodeToMemory(TargetMachine &TM);
42 // Put symbolic names in a namespace to avoid causing these to clash with all
43 // kinds of other things...
46 // Defines a large number of symbolic names for X86 registers. This defines a
47 // mapping from register name to register number.
50 #define R(ENUM, NAME, FLAGS, TSFLAGS, ALIAS_SET) ENUM,
51 #include "X86RegisterInfo.def"
54 // This defines a large number of symbolic names for X86 instruction opcodes.
56 #define I(ENUM, NAME, BASEOPCODE, FLAGS, TSFLAGS, IMPDEFS, IMPUSES) ENUM,
57 #include "X86InstrInfo.def"