Const-correct and prevent a copy of a SmallPtrSet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215973 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 06ee5a8257e9ca51e617d33d17809efee7220f66..55255d66f6ac794a1951c3087332ed9cca303f29 100644 (file)
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -2725,7 +2725,7 @@ static int compareNames(Constant *const *A, Constant *const *B) {
 }
 
 static void setUsedInitializer(GlobalVariable &V,
-                               SmallPtrSet<GlobalValue *, 8> Init) {
+                               const SmallPtrSet<GlobalValue *, 8> &Init) {
   if (Init.empty()) {
     V.eraseFromParent();
     return;
@@ -2825,7 +2825,7 @@ static bool mayHaveOtherReferences(GlobalAlias &GA, const LLVMUsed &U) {
   return U.usedCount(&GA) || U.compilerUsedCount(&GA);
 }
 
-static bool hasUsesToReplace(GlobalAlias &GA, LLVMUsed &U, bool &RenameTarget) {
+static bool hasUsesToReplace(GlobalAlias &GA, const LLVMUsed &U,bool &RenameTarget) {
   RenameTarget = false;
   bool Ret = false;
   if (hasUseOtherThanLLVMUsed(GA, U))