1 //===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Top-level implementation for the MSP430 target.
12 //===----------------------------------------------------------------------===//
15 #include "MSP430TargetAsmInfo.h"
16 #include "MSP430TargetMachine.h"
17 #include "llvm/Module.h"
18 #include "llvm/PassManager.h"
19 #include "llvm/CodeGen/Passes.h"
20 #include "llvm/Target/TargetAsmInfo.h"
21 #include "llvm/Target/TargetMachineRegistry.h"
25 /// MSP430TargetMachineModule - Note that this is used on hosts that
26 /// cannot link in a library unless there are references into the
27 /// library. In particular, it seems that it is not possible to get
28 /// things to work on Win32 without this. Though it is unused, do not
30 extern "C" int MSP430TargetMachineModule
;
31 int MSP430TargetMachineModule
= 0;
34 // Register the targets
35 static RegisterTarget
<MSP430TargetMachine
>
36 X("msp430", "MSP430 [experimental]");
38 MSP430TargetMachine::MSP430TargetMachine(const Module
&M
,
39 const std::string
&FS
) :
40 Subtarget(*this, M
, FS
),
41 // FIXME: Check TargetData string.
42 DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
43 InstrInfo(*this), TLInfo(*this),
44 FrameInfo(TargetFrameInfo::StackGrowsUp
, 8, 0) { }
46 const TargetAsmInfo
*MSP430TargetMachine::createTargetAsmInfo() const {
47 return new MSP430TargetAsmInfo(*this);
50 bool MSP430TargetMachine::addInstSelector(PassManagerBase
&PM
, bool Fast
) {
51 // Install an instruction selector.
52 PM
.add(createMSP430ISelDag(*this));
56 bool MSP430TargetMachine::addAssemblyEmitter(PassManagerBase
&PM
,
57 bool Fast
, bool Verbose
,
59 // Output assembly language.
60 PM
.add(createMSP430CodePrinterPass(Out
, *this, Fast
, Verbose
));
64 unsigned MSP430TargetMachine::getModuleMatchQuality(const Module
&M
) {
65 std::string TT
= M
.getTargetTriple();
67 // We strongly match msp430
68 if (TT
.size() >= 6 && TT
[0] == 'm' && TT
[1] == 's' && TT
[2] == 'p' &&
69 TT
[3] == '4' && TT
[4] == '3' && TT
[5] == '0')