1 files changed, 49 insertions, 0 deletions
diff --git a/source/val/instruction.cpp b/source/val/instruction.cpp
new file mode 100644
index 00000000..56bd37f5
--- /dev/null
+++ b/source/val/instruction.cpp
@@ -0,0 +1,49 @@
+// Copyright (c) 2015-2016 The Khronos Group Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "val/instruction.h"
+
+#include <utility>
+
+using std::make_pair;
+
+namespace libspirv {
+#define OPERATOR(OP)                                                 \
+  bool operator OP(const Instruction& lhs, const Instruction& rhs) { \
+    return lhs.id() OP rhs.id();                                     \
+  }                                                                  \
+  bool operator OP(const Instruction& lhs, uint32_t rhs) {           \
+    return lhs.id() OP rhs;                                          \
+  }
+
+OPERATOR(<)
+OPERATOR(==)
+#undef OPERATOR
+
+Instruction::Instruction(const spv_parsed_instruction_t* inst,
+                         Function* defining_function,
+                         BasicBlock* defining_block)
+    : words_(inst->words, inst->words + inst->num_words),
+      operands_(inst->operands, inst->operands + inst->num_operands),
+      inst_({words_.data(), inst->num_words, inst->opcode, inst->ext_inst_type,
+             inst->type_id, inst->result_id, operands_.data(),
+             inst->num_operands}),
+      function_(defining_function),
+      block_(defining_block),
+      uses_() {}
+
+void Instruction::RegisterUse(const Instruction* inst, uint32_t index) {
+  uses_.push_back(make_pair(inst, index));
+}
+}  // namespace libspirv