* Cleanup pass

* The global variable cannot be internal or else we cannot use it!
* Always add a function to the table, even if it only has a single basic
  block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2921 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 17 deletions

diff --git a/lib/Transforms/Instrumentation/ProfilePaths/EmitFunctions/EmitFunctions.cpp b/lib/Transforms/Instrumentation/ProfilePaths/EmitFunctions/EmitFunctions.cpp
index e177f89..2d9b9a7 100644
--- a/lib/Transforms/Instrumentation/ProfilePaths/EmitFunctions/EmitFunctions.cpp
+++ b/lib/Transforms/Instrumentation/ProfilePaths/EmitFunctions/EmitFunctions.cpp
@@ -4,17 +4,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-//#include "llvm/Transforms/Instrumentation/ProfilePaths.h"
-//#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
-#include "llvm/Support/CFG.h"
 #include "llvm/Transforms/Instrumentation/EmitFunctions.h"
 #include "llvm/Constants.h"
 #include "llvm/DerivedTypes.h"
-#include "llvm/iMemory.h"
 #include "llvm/Constants.h"
 #include "llvm/Module.h"
-#include <iostream>
-#include <fstream>
 
 using std::vector;
 
@@ -24,29 +18,28 @@ struct EmitFunctionTable : public Pass {
   bool run(Module &M);
 };
 
-//  Create a new pass to add function table
+// Create a new pass to add function table
 //
 Pass *createEmitFunctionTablePass() {
   return new EmitFunctionTable();
 }
 
-//Per Module pass for inserting function table
+// Per Module pass for inserting function table
 bool EmitFunctionTable::run(Module &M){
   vector<const Type*> vType;
   vector<Constant *> vConsts;
-  for(Module::iterator MI = M.begin(), ME = M.end(); MI!=ME; ++MI){
-    Function *F = MI;
-    if(F->size()<=1) continue;
-    ConstantPointerRef *cpref = ConstantPointerRef::get(F);
-    vType.push_back(MI->getType());
-    vConsts.push_back(cpref);
-  }
+  for(Module::iterator MI = M.begin(), ME = M.end(); MI!=ME; ++MI)
+    if (!MI->isExternal()) {
+      ConstantPointerRef *CP = ConstantPointerRef::get(MI);
+      vType.push_back(MI->getType());
+      vConsts.push_back(CP);
+    }
   
   StructType *sttype = StructType::get(vType);
   ConstantStruct *cstruct = ConstantStruct::get(sttype, vConsts);
 
-  GlobalVariable *gb = new GlobalVariable(cstruct->getType(), true, true, 
+  GlobalVariable *gb = new GlobalVariable(cstruct->getType(), true, false, 
                                           cstruct, "llvmFunctionTable");
   M.getGlobalList().push_back(gb);
-  return true;  // Always modifies function
+  return true;  // Always modifies program
 }