Add findFunctionInfoList() accessor to FunctionInfoIndex.

Summary:
This allows to query for a function in the map without creating an
entry, allowing to use a const FunctionInfoIndex.

Reviewers: tejohnson

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D14912

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 253953

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/include/llvm/IR/FunctionInfo.h b/llvm/include/llvm/IR/FunctionInfo.h
index 3749212c9be..b8801693ab5 100644
--- a/llvm/include/llvm/IR/FunctionInfo.h
+++ b/llvm/include/llvm/IR/FunctionInfo.h
@@ -194,6 +194,11 @@ public:
     return FunctionMap[FuncName];
   }
 
+  /// Get the list of function info objects for a given function.
+  const const_funcinfo_iterator findFunctionInfoList(StringRef FuncName) const {
+    return FunctionMap.find(FuncName);
+  }
+
   /// Add a function info for a function of the given name.
   void addFunctionInfo(StringRef FuncName, std::unique_ptr<FunctionInfo> Info) {
     // Update the HasExportedFunctions flag, but only if we had a function