1 //===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "XCoreTargetAsmInfo.h"
14 #include "XCoreTargetMachine.h"
15 #include "XCore.h"
16 #include "llvm/Module.h"
17 #include "llvm/PassManager.h"
18 #include "llvm/Target/TargetMachineRegistry.h"
19 using namespace llvm;
20 
21 /// XCoreTargetMachineModule - Note that this is used on hosts that
22 /// cannot link in a library unless there are references into the
23 /// library.  In particular, it seems that it is not possible to get
24 /// things to work on Win32 without this.  Though it is unused, do not
25 /// remove it.
26 extern "C" int XCoreTargetMachineModule;
27 int XCoreTargetMachineModule = 0;
28 
29 namespace {
30   // Register the target.
31   RegisterTarget<XCoreTargetMachine> X("xcore", "XCore");
32 }
33 
34 const TargetAsmInfo *XCoreTargetMachine::createTargetAsmInfo() const {
35   return new XCoreTargetAsmInfo(*this);
36 }
37 
38 /// XCoreTargetMachine ctor - Create an ILP32 architecture model
39 ///
40 XCoreTargetMachine::XCoreTargetMachine(const Module &M, const std::string &FS)
41   : Subtarget(*this, M, FS),
42     DataLayout("e-p:32:32:32-a0:0:32-f32:32:32-f64:32:32-i1:8:32-i8:8:32-"
43                "i16:16:32-i32:32:32-i64:32:32"),
44     InstrInfo(),
45     FrameInfo(*this),
46     TLInfo(*this) {
47 }
48 
49 unsigned XCoreTargetMachine::getModuleMatchQuality(const Module &M) {
50   std::string TT = M.getTargetTriple();
51   if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "xcore-")
52     return 20;
53 
54   // Otherwise we don't match.
55   return 0;
56 }
57 
58 bool XCoreTargetMachine::addInstSelector(PassManagerBase &PM,
59                                          CodeGenOpt::Level OptLevel) {
60   PM.add(createXCoreISelDag(*this));
61   return false;
62 }
63 
64 bool XCoreTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
65                                             CodeGenOpt::Level OptLevel,
66                                             bool Verbose,
67                                             raw_ostream &Out) {
68   // Output assembly language.
69   PM.add(createXCoreCodePrinterPass(Out, *this, OptLevel, Verbose));
70   return false;
71 }
72