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 // Force static initialization.
35 extern "C" void LLVMInitializeXCoreTarget() { }
36 
37 const TargetAsmInfo *XCoreTargetMachine::createTargetAsmInfo() const {
38   return new XCoreTargetAsmInfo(*this);
39 }
40 
41 /// XCoreTargetMachine ctor - Create an ILP32 architecture model
42 ///
43 XCoreTargetMachine::XCoreTargetMachine(const Module &M, const std::string &FS)
44   : Subtarget(*this, M, FS),
45     DataLayout("e-p:32:32:32-a0:0:32-f32:32:32-f64:32:32-i1:8:32-i8:8:32-"
46                "i16:16:32-i32:32:32-i64:32:32"),
47     InstrInfo(),
48     FrameInfo(*this),
49     TLInfo(*this) {
50 }
51 
52 unsigned XCoreTargetMachine::getModuleMatchQuality(const Module &M) {
53   std::string TT = M.getTargetTriple();
54   if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "xcore-")
55     return 20;
56 
57   // Otherwise we don't match.
58   return 0;
59 }
60 
61 bool XCoreTargetMachine::addInstSelector(PassManagerBase &PM,
62                                          CodeGenOpt::Level OptLevel) {
63   PM.add(createXCoreISelDag(*this));
64   return false;
65 }
66 
67 bool XCoreTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
68                                             CodeGenOpt::Level OptLevel,
69                                             bool Verbose,
70                                             raw_ostream &Out) {
71   // Output assembly language.
72   PM.add(createXCoreCodePrinterPass(Out, *this, Verbose));
73   return false;
74 }
75