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Improve Selection DAG printer portability. Patch by Owen Anderson!

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llvm-svn: 24425
This commit is contained in:
Chris Lattner 2005-11-19 07:44:09 +00:00
parent a36ad00a9a
commit fc1975aa3b
1 changed files with 6 additions and 4 deletions
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10
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
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@ -18,6 +18,7 @@
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/System/Path.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
#include <fstream>
@ -108,7 +109,8 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
void SelectionDAG::viewGraph() {
// This code is only for debugging!
#ifndef NDEBUG
std::string Filename = "/tmp/dag." +
std::string TempDir = sys::Path::GetTemporaryDirectory().toString();
std::string Filename = TempDir + "dag." +
getMachineFunction().getFunction()->getName() + ".dot";
std::cerr << "Writing '" << Filename << "'... ";
std::ofstream F(Filename.c_str());
@ -135,13 +137,13 @@ void SelectionDAG::viewGraph() {
#ifdef HAVE_GV
std::cerr << "Running 'dot' program... " << std::flush;
if (system(("dot -Tps -Nfontname=Courier -Gsize=7.5,10 " + Filename
+ " > /tmp/dag.tempgraph.ps").c_str())) {
+ " > " + TempDir +"dag.tempgraph.ps").c_str())) {
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << "\n";
system(LLVM_PATH_GV " /tmp/dag.tempgraph.ps");
system(LLVM_PATH_GV " " + TempDir + "dag.tempgraph.ps");
}
system(("rm " + Filename + " /tmp/dag.tempgraph.ps").c_str());
system(("rm " + Filename + " "+ TempDir + "dag.tempgraph.ps").c_str());
return;
#endif // HAVE_GV
#endif // NDEBUG