Hold the LLVMContext by reference rather than by pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74640 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 10 insertions, 7 deletions

diff --git a/tools/bugpoint/BugDriver.cpp b/tools/bugpoint/BugDriver.cpp
index 340522a443..93b09fb381 100644
--- a/tools/bugpoint/BugDriver.cpp
+++ b/tools/bugpoint/BugDriver.cpp
@@ -64,7 +64,8 @@ std::string llvm::getPassesString(const std::vector<const PassInfo*> &Passes) {
 }
 
 BugDriver::BugDriver(const char *toolname, bool as_child, bool find_bugs,
-                     unsigned timeout, unsigned memlimit, LLVMContext* ctxt)
+                     unsigned timeout, unsigned memlimit,
+                     const LLVMContext& ctxt)
   : Context(ctxt), ToolName(toolname), ReferenceOutputFile(OutputFile),
     Program(0), Interpreter(0), SafeInterpreter(0), gcc(0),
     run_as_child(as_child), run_find_bugs(find_bugs), Timeout(timeout), 
@@ -74,7 +75,8 @@ BugDriver::BugDriver(const char *toolname, bool as_child, bool find_bugs,
 /// ParseInputFile - Given a bitcode or assembly input filename, parse and
 /// return it, or return null if not possible.
 ///
-Module *llvm::ParseInputFile(const std::string &Filename, LLVMContext* Ctxt) {
+Module *llvm::ParseInputFile(const std::string &Filename,
+                             const LLVMContext& Ctxt) {
   std::auto_ptr<MemoryBuffer> Buffer(MemoryBuffer::getFileOrSTDIN(Filename));
   Module *Result = 0;
   if (Buffer.get())
diff --git a/tools/bugpoint/BugDriver.h b/tools/bugpoint/BugDriver.h
index 4c81cc2a2b..34267d55a6 100644
--- a/tools/bugpoint/BugDriver.h
+++ b/tools/bugpoint/BugDriver.h
@@ -43,7 +43,7 @@ extern bool DisableSimplifyCFG;
 extern bool BugpointIsInterrupted;
 
 class BugDriver {
-  LLVMContext* Context;
+  const LLVMContext& Context;
   const std::string ToolName;  // Name of bugpoint
   std::string ReferenceOutputFile; // Name of `good' output file
   Module *Program;             // The raw program, linked together
@@ -62,11 +62,11 @@ class BugDriver {
 
 public:
   BugDriver(const char *toolname, bool as_child, bool find_bugs,
-            unsigned timeout, unsigned memlimit, LLVMContext* ctxt);
+            unsigned timeout, unsigned memlimit, const LLVMContext& ctxt);
 
   const std::string &getToolName() const { return ToolName; }
 
-  LLVMContext* getContext() { return Context; }
+  const LLVMContext& getContext() { return Context; }
 
   // Set up methods... these methods are used to copy information about the
   // command line arguments into instance variables of BugDriver.
@@ -294,7 +294,8 @@ private:
 /// ParseInputFile - Given a bitcode or assembly input filename, parse and
 /// return it, or return null if not possible.
 ///
-Module *ParseInputFile(const std::string &InputFilename, LLVMContext* ctxt);
+Module *ParseInputFile(const std::string &InputFilename,
+                       const LLVMContext& ctxt);
 
 
 /// getPassesString - Turn a list of passes into a string which indicates the
diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index 57007e035c..3365b227b1 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -76,7 +76,7 @@ int main(int argc, char **argv) {
   sys::SetInterruptFunction(BugpointInterruptFunction);
 
   LLVMContext Context;
-  BugDriver D(argv[0], AsChild, FindBugs, TimeoutValue, MemoryLimit, &Context);
+  BugDriver D(argv[0], AsChild, FindBugs, TimeoutValue, MemoryLimit, Context);
   if (D.addSources(InputFilenames)) return 1;
   D.addPasses(PassList.begin(), PassList.end());