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-rw-r--r--include/llvm/CodeGen/EdgeBundles.h3
-rw-r--r--include/llvm/Support/GraphWriter.h14
2 files changed, 9 insertions, 8 deletions
diff --git a/include/llvm/CodeGen/EdgeBundles.h b/include/llvm/CodeGen/EdgeBundles.h
index 8aab3c64f1..a1d29b1f02 100644
--- a/include/llvm/CodeGen/EdgeBundles.h
+++ b/include/llvm/CodeGen/EdgeBundles.h
@@ -18,6 +18,7 @@
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/IntEqClasses.h"
+#include "llvm/ADT/Twine.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
namespace llvm {
@@ -61,7 +62,7 @@ private:
/// Specialize WriteGraph, the standard implementation won't work.
raw_ostream &WriteGraph(raw_ostream &O, const EdgeBundles &G,
bool ShortNames = false,
- const std::string &Title = "");
+ const Twine &Title = "");
} // end namespace llvm
diff --git a/include/llvm/Support/GraphWriter.h b/include/llvm/Support/GraphWriter.h
index eab0c9d18d..ae32da59dc 100644
--- a/include/llvm/Support/GraphWriter.h
+++ b/include/llvm/Support/GraphWriter.h
@@ -296,26 +296,26 @@ public:
template<typename GraphType>
raw_ostream &WriteGraph(raw_ostream &O, const GraphType &G,
bool ShortNames = false,
- const std::string &Title = "") {
+ const Twine &Title = "") {
// Start the graph emission process...
GraphWriter<GraphType> W(O, G, ShortNames);
// Emit the graph.
- W.writeGraph(Title);
+ W.writeGraph(Title.str());
return O;
}
template<typename GraphType>
-sys::Path WriteGraph(const GraphType &G, const std::string &Name,
- bool ShortNames = false, const std::string &Title = "") {
+sys::Path WriteGraph(const GraphType &G, const Twine &Name,
+ bool ShortNames = false, const Twine &Title = "") {
std::string ErrMsg;
sys::Path Filename = sys::Path::GetTemporaryDirectory(&ErrMsg);
if (Filename.isEmpty()) {
errs() << "Error: " << ErrMsg << "\n";
return Filename;
}
- Filename.appendComponent(Name + ".dot");
+ Filename.appendComponent((Name + ".dot").str());
if (Filename.makeUnique(true,&ErrMsg)) {
errs() << "Error: " << ErrMsg << "\n";
return sys::Path();
@@ -341,8 +341,8 @@ sys::Path WriteGraph(const GraphType &G, const std::string &Name,
/// then cleanup. For use from the debugger.
///
template<typename GraphType>
-void ViewGraph(const GraphType &G, const std::string &Name,
- bool ShortNames = false, const std::string &Title = "",
+void ViewGraph(const GraphType &G, const Twine &Name,
+ bool ShortNames = false, const Twine &Title = "",
GraphProgram::Name Program = GraphProgram::DOT) {
sys::Path Filename = llvm::WriteGraph(G, Name, ShortNames, Title);