Remove the successor probabilities normalization in tail duplication pass.
[oota-llvm.git] / lib / Support / SystemUtils.cpp
1 //===- SystemUtils.cpp - Utilities for low-level system tasks -------------===//
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 // This file contains functions used to do a variety of low-level, often
11 // system-specific, tasks.
12 //
13 //===----------------------------------------------------------------------===//
14
15 #include "llvm/Support/SystemUtils.h"
16 #include "llvm/Support/raw_ostream.h"
17 using namespace llvm;
18
19 bool llvm::CheckBitcodeOutputToConsole(raw_ostream &stream_to_check,
20                                        bool print_warning) {
21   if (stream_to_check.is_displayed()) {
22     if (print_warning) {
23       errs() << "WARNING: You're attempting to print out a bitcode file.\n"
24                 "This is inadvisable as it may cause display problems. If\n"
25                 "you REALLY want to taste LLVM bitcode first-hand, you\n"
26                 "can force output with the `-f' option.\n\n";
27     }
28     return true;
29   }
30   return false;
31 }