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Silence unused function warning when graphviz is not available. 

llvm-svn: 152346
This commit is contained in:
Benjamin Kramer 2012-03-08 22:15:23 +00:00
parent 85110b47c8
commit 3bc40c5fee
1 changed files with 3 additions and 5 deletions
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8
llvm/lib/Support/GraphWriter.cpp
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@ -54,11 +54,9 @@ std::string llvm::DOT::EscapeString(const std::string &Label) {
}
// Execute the graph viewer. Return true if successful.
static bool ExecGraphViewer(const sys::Path &ExecPath,
std::vector<const char*> &args,
const sys::Path &Filename,
bool wait,
std::string &ErrMsg) {
static bool LLVM_ATTRIBUTE_UNUSED
ExecGraphViewer(const sys::Path &ExecPath, std::vector<const char*> &args,
const sys::Path &Filename, bool wait, std::string &ErrMsg) {
if (wait) {
if (sys::Program::ExecuteAndWait(ExecPath, &args[0],0,0,0,0,&ErrMsg)) {
errs() << "Error: " << ErrMsg << "\n";