clang  9.0.0
SystemZ.cpp
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1 //===--- SystemZ.cpp - SystemZ Helpers for Tools ----------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "SystemZ.h"
10 #include "clang/Driver/Options.h"
11 #include "llvm/Option/ArgList.h"
12 
13 using namespace clang::driver;
14 using namespace clang::driver::tools;
15 using namespace clang;
16 using namespace llvm::opt;
17 
18 const char *systemz::getSystemZTargetCPU(const ArgList &Args) {
19  if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_march_EQ))
20  return A->getValue();
21  return "z10";
22 }
23 
24 void systemz::getSystemZTargetFeatures(const ArgList &Args,
25  std::vector<llvm::StringRef> &Features) {
26  // -m(no-)htm overrides use of the transactional-execution facility.
27  if (Arg *A = Args.getLastArg(options::OPT_mhtm, options::OPT_mno_htm)) {
28  if (A->getOption().matches(options::OPT_mhtm))
29  Features.push_back("+transactional-execution");
30  else
31  Features.push_back("-transactional-execution");
32  }
33  // -m(no-)vx overrides use of the vector facility.
34  if (Arg *A = Args.getLastArg(options::OPT_mvx, options::OPT_mno_vx)) {
35  if (A->getOption().matches(options::OPT_mvx))
36  Features.push_back("+vector");
37  else
38  Features.push_back("-vector");
39  }
40 }
const char * getSystemZTargetCPU(const llvm::opt::ArgList &Args)
void getSystemZTargetFeatures(const llvm::opt::ArgList &Args, std::vector< llvm::StringRef > &Features)
Dataflow Directional Tag Classes.