LLVM  9.0.0svn
SystemUtils.h
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1 //===- SystemUtils.h - Utilities to do low-level system stuff ---*- 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 // This file contains functions used to do a variety of low-level, often
10 // system-specific, tasks.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_SUPPORT_SYSTEMUTILS_H
15 #define LLVM_SUPPORT_SYSTEMUTILS_H
16 
17 namespace llvm {
18  class raw_ostream;
19 
20 /// Determine if the raw_ostream provided is connected to a terminal. If so,
21 /// generate a warning message to errs() advising against display of bitcode
22 /// and return true. Otherwise just return false.
23 /// Check for output written to a console
25  raw_ostream &stream_to_check, ///< The stream to be checked
26  bool print_warning = true ///< Control whether warnings are printed
27 );
28 
29 } // End llvm namespace
30 
31 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:23
bool CheckBitcodeOutputToConsole(raw_ostream &stream_to_check, bool print_warning=true)
Determine if the raw_ostream provided is connected to a terminal.
Definition: SystemUtils.cpp:18