[llvm-commits] CVS: llvm/lib/Analysis/CFGPrinter.cpp

[Dan Gohman]

Changes in directory llvm/lib/Analysis:

CFGPrinter.cpp updated: 1.26 -> 1.27
---
Log message:

Add passes -view-cfg and -view-cfg-only that are like -print-cfg and
-print-cfg-only except they use the ViewCFG function, which displays the
CFG rendered with graphviz with gv.


---
Diffs of the changes:  (+42 -0)

 CFGPrinter.cpp |   42 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 42 insertions(+)


Index: llvm/lib/Analysis/CFGPrinter.cpp
diff -u llvm/lib/Analysis/CFGPrinter.cpp:1.26 
llvm/lib/Analysis/CFGPrinter.cpp:1.27
--- llvm/lib/Analysis/CFGPrinter.cpp:1.26       Sun May  6 08:37:16 2007
+++ llvm/lib/Analysis/CFGPrinter.cpp    Mon May 14 09:25:08 2007
@@ -90,6 +90,48 @@
 }
 
 namespace {
+  struct VISIBILITY_HIDDEN CFGViewer : public FunctionPass {
+    static char ID; // Pass identifcation, replacement for typeid
+    CFGViewer() : FunctionPass((intptr_t)&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;
+  RegisterPass<CFGViewer> V0("view-cfg",
+                             "View CFG of function");
+
+  struct VISIBILITY_HIDDEN CFGOnlyViewer : public FunctionPass {
+    static char ID; // Pass identifcation, replacement for typeid
+    CFGOnlyViewer() : FunctionPass((intptr_t)&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;
+  RegisterPass<CFGOnlyViewer> V1("view-cfg-only",
+                                 "View CFG of function (with no function 
bodies)");
+
   struct VISIBILITY_HIDDEN CFGPrinter : public FunctionPass {
     static char ID; // Pass identification, replacement for typeid
     CFGPrinter() : FunctionPass((intptr_t)&ID) {}



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