Fixed the comment. No functionality change.

[oota-llvm.git] / lib / Analysis / CFGPrinter.cpp

diff --git a/lib/Analysis/CFGPrinter.cpp b/lib/Analysis/CFGPrinter.cpp
index a57a0685a7e7ae6863219194fd6db28786b0d225..143220ce38800544b29cbdd92b20dc8dea643355 100644 (file)
--- a/lib/Analysis/CFGPrinter.cpp
+++ b/lib/Analysis/CFGPrinter.cpp
@@ -2,12 +2,12 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
-// This file defines a '-print-cfg' analysis pass, which emits the
+// This file defines a '-dot-cfg' analysis pass, which emits the
 // cfg.<fnname>.dot file for each function in the program, with a graph of the
 // CFG for that function.
 //
@@ -89,8 +89,59 @@ struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
 };
 }
 
+namespace {
+  struct VISIBILITY_HIDDEN CFGViewer : public FunctionPass {
+    static char ID; // Pass identifcation, replacement for typeid
+    CFGViewer() : FunctionPass(&ID) {}
+
+    virtual bool runOnFunction(Function &F) {
+      F.viewCFG();
+      return false;
+    }
+
+    void print(std::ostream &OS, const Module* = 0) const {}
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+    }
+  };
+}
+
+char CFGViewer::ID = 0;
+static RegisterPass<CFGViewer>
+V0("view-cfg", "View CFG of function", false, true);
+
+namespace {
+  struct VISIBILITY_HIDDEN CFGOnlyViewer : public FunctionPass {
+    static char ID; // Pass identifcation, replacement for typeid
+    CFGOnlyViewer() : FunctionPass(&ID) {}
+
+    virtual bool runOnFunction(Function &F) {
+      CFGOnly = true;
+      F.viewCFG();
+      CFGOnly = false;
+      return false;
+    }
+
+    void print(std::ostream &OS, const Module* = 0) const {}
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+    }
+  };
+}
+
+char CFGOnlyViewer::ID = 0;
+static RegisterPass<CFGOnlyViewer>
+V1("view-cfg-only",
+   "View CFG of function (with no function bodies)", false, true);
+
 namespace {
   struct VISIBILITY_HIDDEN CFGPrinter : public FunctionPass {
+    static char ID; // Pass identification, replacement for typeid
+    CFGPrinter() : FunctionPass(&ID) {}
+    explicit CFGPrinter(void *pid) : FunctionPass(pid) {}
+
     virtual bool runOnFunction(Function &F) {
       std::string Filename = "cfg." + F.getName() + ".dot";
       cerr << "Writing '" << Filename << "'...";
@@ -110,11 +161,16 @@ namespace {
       AU.setPreservesAll();
     }
   };
+}
 
-  RegisterPass<CFGPrinter> P1("print-cfg",
-                              "Print CFG of function to 'dot' file");
+char CFGPrinter::ID = 0;
+static RegisterPass<CFGPrinter>
+P1("dot-cfg", "Print CFG of function to 'dot' file", false, true);
 
+namespace {
   struct VISIBILITY_HIDDEN CFGOnlyPrinter : public CFGPrinter {
+    static char ID; // Pass identification, replacement for typeid
+    CFGOnlyPrinter() : CFGPrinter(&ID) {}
     virtual bool runOnFunction(Function &F) {
       bool OldCFGOnly = CFGOnly;
       CFGOnly = true;
@@ -128,12 +184,13 @@ namespace {
       AU.setPreservesAll();
     }
   };
-
-  RegisterPass<CFGOnlyPrinter>
-  P2("print-cfg-only",
-     "Print CFG of function to 'dot' file (with no function bodies)");
 }
 
+char CFGOnlyPrinter::ID = 0;
+static RegisterPass<CFGOnlyPrinter>
+P2("dot-cfg-only",
+   "Print CFG of function to 'dot' file (with no function bodies)", false, true);
+
 /// viewCFG - This function is meant for use from the debugger.  You can just
 /// say 'call F->viewCFG()' and a ghostview window should pop up from the
 /// program, displaying the CFG of the current function.  This depends on there