1 //===-- SystemZTargetInfo.cpp - SystemZ Target Implementation -------------===//
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 #include "SystemZ.h"
11 #include "llvm/Module.h"
12 #include "llvm/Target/TargetRegistry.h"
13 using namespace llvm;
14 
15 Target llvm::TheSystemZTarget;
16 
17 static unsigned SystemZ_TripleMatchQuality(const std::string &TT) {
18   // We strongly match s390x
19   if (TT.size() >= 5 && TT[0] == 's' && TT[1] == '3' && TT[2] == '9' &&
20       TT[3] == '0' &&  TT[4] == 'x')
21     return 20;
22 
23   return 0;
24 }
25 
26 static unsigned SystemZ_ModuleMatchQuality(const Module &M) {
27   // Check for a triple match.
28   if (unsigned Q = SystemZ_TripleMatchQuality(M.getTargetTriple()))
29     return Q;
30 
31   // Otherwise we don't match.
32   return 0;
33 }
34 
35 extern "C" void LLVMInitializeSystemZTargetInfo() {
36   TargetRegistry::RegisterTarget(TheSystemZTarget, "systemz",
37                                  "SystemZ",
38                                  &SystemZ_TripleMatchQuality,
39                                  &SystemZ_ModuleMatchQuality);
40 }
41