Add convenient overloads for CreateInsertElement and CreateExtractElement methods in IRBuilder

Summary:
This pathc add convenient overloads for CreateInsertElement and CreateExtractElement methods in IRBuilder
where vector index can be uint64_t instead of Value*.

Test Plan: Unit test included.

Reviewers: majnemer

Reviewed By: majnemer

Subscribers: majnemer, llvm-commits

Differential Revision: http://reviews.llvm.org/D9347

llvm-svn: 236214

2 files changed, 25 insertions, 0 deletions

diff --git a/llvm/include/llvm/IR/IRBuilder.h b/llvm/include/llvm/IR/IRBuilder.h
index d6550e3dbf0..515f19c754e 100644
--- a/llvm/include/llvm/IR/IRBuilder.h
+++ b/llvm/include/llvm/IR/IRBuilder.h
@@ -1499,6 +1499,11 @@ public:
     return Insert(ExtractElementInst::Create(Vec, Idx), Name);
   }
 
+  Value *CreateExtractElement(Value *Vec, uint64_t Idx,
+                              const Twine &Name = "") {
+    return CreateExtractElement(Vec, getInt64(Idx), Name);
+  }
+
   Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
                              const Twine &Name = "") {
     if (Constant *VC = dyn_cast<Constant>(Vec))
@@ -1508,6 +1513,11 @@ public:
     return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
   }
 
+  Value *CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx,
+                             const Twine &Name = "") {
+    return CreateInsertElement(Vec, NewElt, getInt64(Idx), Name);
+  }
+
   Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
                              const Twine &Name = "") {
     if (Constant *V1C = dyn_cast<Constant>(V1))
diff --git a/llvm/unittests/IR/IRBuilderTest.cpp b/llvm/unittests/IR/IRBuilderTest.cpp
index 9fe241c1a74..e8aaaea0775 100644
--- a/llvm/unittests/IR/IRBuilderTest.cpp
+++ b/llvm/unittests/IR/IRBuilderTest.cpp
@@ -306,5 +306,20 @@ TEST_F(IRBuilderTest, DIBuilder) {
   EXPECT_TRUE(verifyModule(*M));
 }
 
+TEST_F(IRBuilderTest, InsertExtractElement) {
+  IRBuilder<> Builder(BB);
+
+  auto VecTy = VectorType::get(Builder.getInt64Ty(), 4);
+  auto Elt1 = Builder.getInt64(-1);
+  auto Elt2 = Builder.getInt64(-2);
+  Value *Vec = UndefValue::get(VecTy);
+  Vec = Builder.CreateInsertElement(Vec, Elt1, Builder.getInt8(1));
+  Vec = Builder.CreateInsertElement(Vec, Elt2, 2);
+  auto X1 = Builder.CreateExtractElement(Vec, 1);
+  auto X2 = Builder.CreateExtractElement(Vec, Builder.getInt32(2));
+  EXPECT_EQ(Elt1, X1);
+  EXPECT_EQ(Elt2, X2);
+}
+
 
 }