Pass StringRef by value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86251 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/StringMap.cpp b/lib/Support/StringMap.cpp
index a729d3d..6f28277 100644
--- a/lib/Support/StringMap.cpp
+++ b/lib/Support/StringMap.cpp
@@ -52,7 +52,7 @@
/// specified bucket will be non-null. Otherwise, it will be null. In either
/// case, the FullHashValue field of the bucket will be set to the hash value
/// of the string.
-unsigned StringMapImpl::LookupBucketFor(const StringRef &Name) {
+unsigned StringMapImpl::LookupBucketFor(StringRef Name) {
unsigned HTSize = NumBuckets;
if (HTSize == 0) { // Hash table unallocated so far?
init(16);
@@ -110,7 +110,7 @@
/// FindKey - Look up the bucket that contains the specified key. If it exists
/// in the map, return the bucket number of the key. Otherwise return -1.
/// This does not modify the map.
-int StringMapImpl::FindKey(const StringRef &Key) const {
+int StringMapImpl::FindKey(StringRef Key) const {
unsigned HTSize = NumBuckets;
if (HTSize == 0) return -1; // Really empty table?
unsigned FullHashValue = HashString(Key);
@@ -161,7 +161,7 @@
/// RemoveKey - Remove the StringMapEntry for the specified key from the
/// table, returning it. If the key is not in the table, this returns null.
-StringMapEntryBase *StringMapImpl::RemoveKey(const StringRef &Key) {
+StringMapEntryBase *StringMapImpl::RemoveKey(StringRef Key) {
int Bucket = FindKey(Key);
if (Bucket == -1) return 0;