diff --git a/source/opt/instruction.cpp b/source/opt/instruction.cpp
index 2461e41e9..418f1213a 100644
--- a/source/opt/instruction.cpp
+++ b/source/opt/instruction.cpp
@@ -76,10 +76,9 @@ Instruction::Instruction(IRContext* c, const spv_parsed_instruction_t& inst,
       dbg_scope_(kNoDebugScope, kNoInlinedAt) {
   for (uint32_t i = 0; i < inst.num_operands; ++i) {
     const auto& current_payload = inst.operands[i];
-    std::vector<uint32_t> words(
-        inst.words + current_payload.offset,
+    operands_.emplace_back(
+        current_payload.type, inst.words + current_payload.offset,
         inst.words + current_payload.offset + current_payload.num_words);
-    operands_.emplace_back(current_payload.type, std::move(words));
   }
   assert((!IsLineInst() || dbg_line.empty()) &&
          "Op(No)Line attaching to Op(No)Line found");
@@ -96,10 +95,9 @@ Instruction::Instruction(IRContext* c, const spv_parsed_instruction_t& inst,
       dbg_scope_(dbg_scope) {
   for (uint32_t i = 0; i < inst.num_operands; ++i) {
     const auto& current_payload = inst.operands[i];
-    std::vector<uint32_t> words(
-        inst.words + current_payload.offset,
+    operands_.emplace_back(
+        current_payload.type, inst.words + current_payload.offset,
         inst.words + current_payload.offset + current_payload.num_words);
-    operands_.emplace_back(current_payload.type, std::move(words));
   }
 }
 
diff --git a/source/opt/instruction.h b/source/opt/instruction.h
index 066e98707..2163d99b3 100644
--- a/source/opt/instruction.h
+++ b/source/opt/instruction.h
@@ -84,6 +84,11 @@ struct Operand {
 
   Operand(spv_operand_type_t t, const OperandData& w) : type(t), words(w) {}
 
+  template <class InputIt>
+  Operand(spv_operand_type_t t, InputIt firstOperandData,
+          InputIt lastOperandData)
+      : type(t), words(firstOperandData, lastOperandData) {}
+
   spv_operand_type_t type;  // Type of this logical operand.
   OperandData words;        // Binary segments of this logical operand.
 
diff --git a/source/util/small_vector.h b/source/util/small_vector.h
index f1762a9f2..4e8e0fd04 100644
--- a/source/util/small_vector.h
+++ b/source/util/small_vector.h
@@ -64,6 +64,11 @@ class SmallVector {
     }
   }
 
+  template <class InputIt>
+  SmallVector(InputIt first, InputIt last) : SmallVector() {
+    insert(end(), first, last);
+  }
+
   SmallVector(std::vector<T>&& vec) : SmallVector() {
     if (vec.size() > small_size) {
       large_data_ = MakeUnique<std::vector<T>>(std::move(vec));
diff --git a/test/util/small_vector_test.cpp b/test/util/small_vector_test.cpp
index 01d7df185..6224a5fe0 100644
--- a/test/util/small_vector_test.cpp
+++ b/test/util/small_vector_test.cpp
@@ -56,6 +56,18 @@ TEST(SmallVectorTest, Initialize_list2) {
   }
 }
 
+TEST(SmallVectorTest, Initialize_list3) {
+  std::vector<uint32_t> result = {0, 1, 2, 3};
+  SmallVector<uint32_t, 6> vec(result.begin(), result.end());
+
+  EXPECT_FALSE(vec.empty());
+  EXPECT_EQ(vec.size(), 4);
+
+  for (uint32_t i = 0; i < vec.size(); ++i) {
+    EXPECT_EQ(vec[i], result[i]);
+  }
+}
+
 TEST(SmallVectorTest, Initialize_copy1) {
   SmallVector<uint32_t, 6> vec1 = {0, 1, 2, 3};
   SmallVector<uint32_t, 6> vec2(vec1);