From f949e321f2a3c39a33d2c7b8706b1592d2a8c717 Mon Sep 17 00:00:00 2001
From: qining <qining@google.com>
Date: Thu, 11 Aug 2016 18:19:50 -0400
Subject: [PATCH] Make the lookup up of type id accepts const arg

---
 source/opt/type_manager.cpp | 2 +-
 source/opt/type_manager.h   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/opt/type_manager.cpp b/source/opt/type_manager.cpp
index 1e8bd33..351791c 100644
--- a/source/opt/type_manager.cpp
+++ b/source/opt/type_manager.cpp
@@ -40,7 +40,7 @@ Type* TypeManager::GetType(uint32_t id) const {
   return nullptr;
 }
 
-uint32_t TypeManager::GetId(Type* type) const {
+uint32_t TypeManager::GetId(const Type* type) const {
   auto iter = type_to_id_.find(type);
   if (iter != type_to_id_.end()) return (*iter).second;
   return 0;
diff --git a/source/opt/type_manager.h b/source/opt/type_manager.h
index 4d5dbd9..c6690cc 100644
--- a/source/opt/type_manager.h
+++ b/source/opt/type_manager.h
@@ -42,7 +42,7 @@ namespace analysis {
 class TypeManager {
  public:
   using IdToTypeMap = std::unordered_map<uint32_t, std::unique_ptr<Type>>;
-  using TypeToIdMap = std::unordered_map<Type*, uint32_t>;
+  using TypeToIdMap = std::unordered_map<const Type*, uint32_t>;
   using ForwardPointerVector = std::vector<std::unique_ptr<ForwardPointer>>;
 
   TypeManager(const spvtools::ir::Module& module) { AnalyzeTypes(module); }
@@ -56,7 +56,7 @@ class TypeManager {
   Type* GetType(uint32_t id) const;
   // Returns the id for the given |type|. Returns 0 if can not find the given
   // |type|.
-  uint32_t GetId(Type* type) const;
+  uint32_t GetId(const Type* type) const;
   // Returns the number of types hold in this manager.
   size_t NumTypes() const { return id_to_type_.size(); }
 
-- 
2.7.4