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-rw-r--r--llvm/lib/Support/SmallPtrSet.cpp16
1 files changed, 9 insertions, 7 deletions
diff --git a/llvm/lib/Support/SmallPtrSet.cpp b/llvm/lib/Support/SmallPtrSet.cpp
index 621b90fa755..c87ee7d106e 100644
--- a/llvm/lib/Support/SmallPtrSet.cpp
+++ b/llvm/lib/Support/SmallPtrSet.cpp
@@ -34,18 +34,19 @@ void SmallPtrSetImplBase::shrink_and_clear() {
memset(CurArray, -1, CurArraySize*sizeof(void*));
}
-bool SmallPtrSetImplBase::insert_imp(const void * Ptr) {
+std::pair<const void *const *, bool>
+SmallPtrSetImplBase::insert_imp(const void *Ptr) {
if (isSmall()) {
// Check to see if it is already in the set.
for (const void **APtr = SmallArray, **E = SmallArray+NumElements;
APtr != E; ++APtr)
if (*APtr == Ptr)
- return false;
-
+ return std::make_pair(APtr, false);
+
// Nope, there isn't. If we stay small, just 'pushback' now.
if (NumElements < CurArraySize) {
SmallArray[NumElements++] = Ptr;
- return true;
+ return std::make_pair(SmallArray + (NumElements - 1), true);
}
// Otherwise, hit the big set case, which will call grow.
}
@@ -61,14 +62,15 @@ bool SmallPtrSetImplBase::insert_imp(const void * Ptr) {
// Okay, we know we have space. Find a hash bucket.
const void **Bucket = const_cast<const void**>(FindBucketFor(Ptr));
- if (*Bucket == Ptr) return false; // Already inserted, good.
-
+ if (*Bucket == Ptr)
+ return std::make_pair(Bucket, false); // Already inserted, good.
+
// Otherwise, insert it!
if (*Bucket == getTombstoneMarker())
--NumTombstones;
*Bucket = Ptr;
++NumElements; // Track density.
- return true;
+ return std::make_pair(Bucket, true);
}
bool SmallPtrSetImplBase::erase_imp(const void * Ptr) {
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