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author | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
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committer | Stephen Hines <srhines@google.com> | 2014-07-25 00:48:57 -0700 |
commit | cd81d94322a39503e4a3e87b6ee03d4fcb3465fb (patch) | |
tree | 81b7dd2bb4370a392f31d332a566c903b5744764 /include/llvm/IR/ValueMap.h | |
parent | 0c5f13c0c4499eaf42ab5e9e2ceabd4e20e36861 (diff) | |
download | external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.zip external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.gz external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.bz2 |
Update LLVM for rebase to r212749.
Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'include/llvm/IR/ValueMap.h')
-rw-r--r-- | include/llvm/IR/ValueMap.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/include/llvm/IR/ValueMap.h b/include/llvm/IR/ValueMap.h index 1503aed..43a79c7 100644 --- a/include/llvm/IR/ValueMap.h +++ b/include/llvm/IR/ValueMap.h @@ -45,8 +45,10 @@ class ValueMapConstIterator; /// This class defines the default behavior for configurable aspects of /// ValueMap<>. User Configs should inherit from this class to be as compatible /// as possible with future versions of ValueMap. -template<typename KeyT> +template<typename KeyT, typename MutexT = sys::Mutex> struct ValueMapConfig { + typedef MutexT mutex_type; + /// If FollowRAUW is true, the ValueMap will update mappings on RAUW. If it's /// false, the ValueMap will leave the original mapping in place. enum { FollowRAUW = true }; @@ -67,7 +69,7 @@ struct ValueMapConfig { /// and onDelete) and not inside other ValueMap methods. NULL means that no /// mutex is necessary. template<typename ExtraDataT> - static sys::Mutex *getMutex(const ExtraDataT &/*Data*/) { return nullptr; } + static mutex_type *getMutex(const ExtraDataT &/*Data*/) { return nullptr; } }; /// See the file comment. @@ -85,6 +87,7 @@ public: typedef KeyT key_type; typedef ValueT mapped_type; typedef std::pair<KeyT, ValueT> value_type; + typedef unsigned size_type; explicit ValueMap(unsigned NumInitBuckets = 64) : Map(NumInitBuckets), Data() {} @@ -101,16 +104,16 @@ public: inline const_iterator end() const { return const_iterator(Map.end()); } bool empty() const { return Map.empty(); } - unsigned size() const { return Map.size(); } + size_type size() const { return Map.size(); } /// Grow the map so that it has at least Size buckets. Does not shrink void resize(size_t Size) { Map.resize(Size); } void clear() { Map.clear(); } - /// count - Return true if the specified key is in the map. - bool count(const KeyT &Val) const { - return Map.find_as(Val) != Map.end(); + /// Return 1 if the specified key is in the map, 0 otherwise.
+ size_type count(const KeyT &Val) const { + return Map.find_as(Val) == Map.end() ? 0 : 1; } iterator find(const KeyT &Val) { @@ -212,7 +215,7 @@ public: void deleted() override { // Make a copy that won't get changed even when *this is destroyed. ValueMapCallbackVH Copy(*this); - sys::Mutex *M = Config::getMutex(Copy.Map->Data); + typename Config::mutex_type *M = Config::getMutex(Copy.Map->Data); if (M) M->acquire(); Config::onDelete(Copy.Map->Data, Copy.Unwrap()); // May destroy *this. @@ -225,7 +228,7 @@ public: "Invalid RAUW on key of ValueMap<>"); // Make a copy that won't get changed even when *this is destroyed. ValueMapCallbackVH Copy(*this); - sys::Mutex *M = Config::getMutex(Copy.Map->Data); + typename Config::mutex_type *M = Config::getMutex(Copy.Map->Data); if (M) M->acquire(); |