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-rw-r--r--include/llvm/ADT/TinyPtrVector.h58
-rw-r--r--unittests/ADT/TinyPtrVectorTest.cpp91
2 files changed, 148 insertions, 1 deletions
diff --git a/include/llvm/ADT/TinyPtrVector.h b/include/llvm/ADT/TinyPtrVector.h
index d226bc2085..d3d33b8add 100644
--- a/include/llvm/ADT/TinyPtrVector.h
+++ b/include/llvm/ADT/TinyPtrVector.h
@@ -11,8 +11,9 @@
#define LLVM_ADT_TINYPTRVECTOR_H
#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/PointerUnion.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Compiler.h"
namespace llvm {
@@ -229,6 +230,61 @@ public:
}
return end();
}
+
+ iterator erase(iterator S, iterator E) {
+ assert(S >= begin() && "Range to erase is out of bounds.");
+ assert(S <= E && "Trying to erase invalid range.");
+ assert(E <= end() && "Trying to erase past the end.");
+
+ if (Val.template is<EltTy>()) {
+ if (S == begin() && S != E)
+ Val = (EltTy)0;
+ } else if (VecTy *Vec = Val.template dyn_cast<VecTy*>()) {
+ return Vec->erase(S, E);
+ }
+ return end();
+ }
+
+ iterator insert(iterator I, const EltTy &Elt) {
+ assert(I >= this->begin() && "Insertion iterator is out of bounds.");
+ assert(I <= this->end() && "Inserting past the end of the vector.");
+ if (I == end()) {
+ push_back(Elt);
+ return llvm::prior(end());
+ }
+ assert(!Val.isNull() && "Null value with non-end insert iterator.");
+ if (EltTy V = Val.template dyn_cast<EltTy>()) {
+ assert(I == begin());
+ Val = Elt;
+ push_back(V);
+ return begin();
+ }
+
+ return Val.template get<VecTy*>()->insert(I, Elt);
+ }
+
+ template<typename ItTy>
+ iterator insert(iterator I, ItTy From, ItTy To) {
+ assert(I >= this->begin() && "Insertion iterator is out of bounds.");
+ assert(I <= this->end() && "Inserting past the end of the vector.");
+ if (From == To)
+ return I;
+
+ // If we have a single value, convert to a vector.
+ ptrdiff_t Offset = I - begin();
+ if (Val.isNull()) {
+ if (llvm::next(From) == To) {
+ Val = *From;
+ return begin();
+ }
+
+ Val = new VecTy();
+ } else if (EltTy V = Val.template dyn_cast<EltTy>()) {
+ Val = new VecTy();
+ Val.template get<VecTy*>()->push_back(V);
+ }
+ return Val.template get<VecTy*>()->insert(begin() + Offset, From, To);
+ }
};
} // end namespace llvm
diff --git a/unittests/ADT/TinyPtrVectorTest.cpp b/unittests/ADT/TinyPtrVectorTest.cpp
index 94939279c1..05dd797e01 100644
--- a/unittests/ADT/TinyPtrVectorTest.cpp
+++ b/unittests/ADT/TinyPtrVectorTest.cpp
@@ -354,4 +354,95 @@ TYPED_TEST(TinyPtrVectorTest, EraseTest) {
this->expectValues(this->V, this->testArray(0));
}
+TYPED_TEST(TinyPtrVectorTest, EraseRangeTest) {
+ this->appendValues(this->V, this->testArray(1));
+ this->expectValues(this->V, this->testArray(1));
+ this->V.erase(this->V.begin(), this->V.begin());
+ this->expectValues(this->V, this->testArray(1));
+ this->V.erase(this->V.end(), this->V.end());
+ this->expectValues(this->V, this->testArray(1));
+ this->V.erase(this->V.begin(), this->V.end());
+ this->expectValues(this->V, this->testArray(0));
+
+ this->appendValues(this->V, this->testArray(42));
+ this->expectValues(this->V, this->testArray(42));
+ this->V.erase(this->V.begin(), llvm::next(this->V.begin(), 1));
+ this->TestPtrs.erase(this->TestPtrs.begin(),
+ llvm::next(this->TestPtrs.begin(), 1));
+ this->expectValues(this->V, this->testArray(41));
+ this->V.erase(llvm::next(this->V.begin(), 1), llvm::next(this->V.begin(), 2));
+ this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 1),
+ llvm::next(this->TestPtrs.begin(), 2));
+ this->expectValues(this->V, this->testArray(40));
+ this->V.erase(llvm::next(this->V.begin(), 2), llvm::next(this->V.begin(), 4));
+ this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 2),
+ llvm::next(this->TestPtrs.begin(), 4));
+ this->expectValues(this->V, this->testArray(38));
+ this->V.erase(llvm::next(this->V.begin(), 5), llvm::next(this->V.begin(), 10));
+ this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 5),
+ llvm::next(this->TestPtrs.begin(), 10));
+ this->expectValues(this->V, this->testArray(33));
+ this->V.erase(llvm::next(this->V.begin(), 13), llvm::next(this->V.begin(), 26));
+ this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 13),
+ llvm::next(this->TestPtrs.begin(), 26));
+ this->expectValues(this->V, this->testArray(20));
+ this->V.erase(llvm::next(this->V.begin(), 7), this->V.end());
+ this->expectValues(this->V, this->testArray(7));
+ this->V.erase(this->V.begin(), this->V.end());
+ this->expectValues(this->V, this->testArray(0));
+}
+
+TYPED_TEST(TinyPtrVectorTest, Insert) {
+ this->V.insert(this->V.end(), this->TestPtrs[0]);
+ this->expectValues(this->V, this->testArray(1));
+ this->V.clear();
+ this->appendValues(this->V, this->testArray(4));
+ this->expectValues(this->V, this->testArray(4));
+ this->V.insert(this->V.end(), this->TestPtrs[4]);
+ this->expectValues(this->V, this->testArray(5));
+ this->V.insert(this->V.begin(), this->TestPtrs[42]);
+ this->TestPtrs.insert(this->TestPtrs.begin(), this->TestPtrs[42]);
+ this->expectValues(this->V, this->testArray(6));
+ this->V.insert(llvm::next(this->V.begin(), 3), this->TestPtrs[43]);
+ this->TestPtrs.insert(llvm::next(this->TestPtrs.begin(), 3),
+ this->TestPtrs[43]);
+ this->expectValues(this->V, this->testArray(7));
+}
+
+TYPED_TEST(TinyPtrVectorTest, InsertRange) {
+ this->V.insert(this->V.end(), this->TestPtrs.begin(), this->TestPtrs.begin());
+ this->expectValues(this->V, this->testArray(0));
+ this->V.insert(this->V.begin(), this->TestPtrs.begin(),
+ this->TestPtrs.begin());
+ this->expectValues(this->V, this->testArray(0));
+ this->V.insert(this->V.end(), this->TestPtrs.end(), this->TestPtrs.end());
+ this->expectValues(this->V, this->testArray(0));
+ this->V.insert(this->V.end(), this->TestPtrs.begin(),
+ llvm::next(this->TestPtrs.begin()));
+ this->expectValues(this->V, this->testArray(1));
+ this->V.clear();
+ this->V.insert(this->V.end(), this->TestPtrs.begin(),
+ llvm::next(this->TestPtrs.begin(), 2));
+ this->expectValues(this->V, this->testArray(2));
+ this->V.clear();
+ this->V.insert(this->V.end(), this->TestPtrs.begin(),
+ llvm::next(this->TestPtrs.begin(), 42));
+ this->expectValues(this->V, this->testArray(42));
+ this->V.clear();
+ this->V.insert(this->V.end(),
+ llvm::next(this->TestPtrs.begin(), 5),
+ llvm::next(this->TestPtrs.begin(), 13));
+ this->V.insert(this->V.begin(),
+ llvm::next(this->TestPtrs.begin(), 0),
+ llvm::next(this->TestPtrs.begin(), 3));
+ this->V.insert(llvm::next(this->V.begin(), 2),
+ llvm::next(this->TestPtrs.begin(), 2),
+ llvm::next(this->TestPtrs.begin(), 4));
+ this->V.erase(llvm::next(this->V.begin(), 4));
+ this->V.insert(llvm::next(this->V.begin(), 4),
+ llvm::next(this->TestPtrs.begin(), 4),
+ llvm::next(this->TestPtrs.begin(), 5));
+ this->expectValues(this->V, this->testArray(13));
+}
+
}