Silence unused function warning when graphviz is not available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/GraphWriter.cpp b/lib/Support/GraphWriter.cpp
index aca46d8..32126ec 100644
--- a/lib/Support/GraphWriter.cpp
+++ b/lib/Support/GraphWriter.cpp
@@ -54,11 +54,9 @@
}
// 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";