GVN: use a static array instead of regenerating it each time. NFC.

llvm-svn: 242202
2015-07-14 21:14:58 +00:00 · 2015-07-14 21:14:58 +00:00 · 586b741959
parent d9767a368f
commit 586b741959
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@ -1795,7 +1795,7 @@ static void patchReplacementInstruction(Instruction *I, Value *Repl) {
    // In general, GVN unifies expressions over different control-flow
    // regions, and so we need a conservative combination of the noalias
    // scopes.
-    unsigned KnownIDs[] = {
+    static const unsigned KnownIDs[] = {
      LLVMContext::MD_tbaa,
      LLVMContext::MD_alias_scope,
      LLVMContext::MD_noalias,