clang  6.0.0svn
SystemZ.cpp
Go to the documentation of this file.
1 //===--- SystemZ.cpp - SystemZ Helpers for Tools ----------------*- C++ -*-===//
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 "clang/Driver/Options.h"
12 #include "llvm/Option/ArgList.h"
13 
14 using namespace clang::driver;
15 using namespace clang::driver::tools;
16 using namespace clang;
17 using namespace llvm::opt;
18 
19 const char *systemz::getSystemZTargetCPU(const ArgList &Args) {
20  if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_march_EQ))
21  return A->getValue();
22  return "z10";
23 }
24 
25 void systemz::getSystemZTargetFeatures(const ArgList &Args,
26  std::vector<llvm::StringRef> &Features) {
27  // -m(no-)htm overrides use of the transactional-execution facility.
28  if (Arg *A = Args.getLastArg(options::OPT_mhtm, options::OPT_mno_htm)) {
29  if (A->getOption().matches(options::OPT_mhtm))
30  Features.push_back("+transactional-execution");
31  else
32  Features.push_back("-transactional-execution");
33  }
34  // -m(no-)vx overrides use of the vector facility.
35  if (Arg *A = Args.getLastArg(options::OPT_mvx, options::OPT_mno_vx)) {
36  if (A->getOption().matches(options::OPT_mvx))
37  Features.push_back("+vector");
38  else
39  Features.push_back("-vector");
40  }
41 }
const char * getSystemZTargetCPU(const llvm::opt::ArgList &Args)
void getSystemZTargetFeatures(const llvm::opt::ArgList &Args, std::vector< llvm::StringRef > &Features)
Dataflow Directional Tag Classes.