[llvm] r265576 - IR: Stop explicitly clearing the MDStringCache

[Duncan P. N. Exon Smith via llvm-commits]

Author: dexonsmith
Date: Wed Apr  6 12:56:05 2016
New Revision: 265576

URL: http://llvm.org/viewvc/llvm-project?rev=265576&view=rev
Log:
IR: Stop explicitly clearing the MDStringCache

The MDStringCache doesn't need to be explicitly cleared before
destruction.  The destructor handles it at least as efficiently.

Modified:
    llvm/trunk/lib/IR/LLVMContextImpl.cpp

Modified: llvm/trunk/lib/IR/LLVMContextImpl.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/LLVMContextImpl.cpp?rev=265576&r1=265575&r2=265576&view=diff
==============================================================================
--- llvm/trunk/lib/IR/LLVMContextImpl.cpp (original)
+++ llvm/trunk/lib/IR/LLVMContextImpl.cpp Wed Apr  6 12:56:05 2016
@@ -158,9 +158,6 @@ LLVMContextImpl::~LLVMContextImpl() {
   // Destroy ValuesAsMetadata.
   for (auto &Pair : ValuesAsMetadata)
     delete Pair.second;
-
-  // Destroy MDStrings.
-  MDStringCache.clear();
 }
 
 void LLVMContextImpl::dropTriviallyDeadConstantArrays() {