/// walk memory instructions using a use/def graph.
///
/// Memory SSA class builds an SSA form that links together memory access
-/// instructions such as loads, stores, atomics, and calls. Additionally, it does
-/// a trivial form of "heap versioning" Every time the memory state changes in
-/// the program, we generate a new heap version. It generates MemoryDef/Uses/Phis
-/// that are overlayed on top of the existing instructions.
+/// instructions such as loads, stores, atomics, and calls. Additionally, it
+/// does a trivial form of "heap versioning" Every time the memory state changes
+/// in the program, we generate a new heap version. It generates
+/// MemoryDef/Uses/Phis that are overlayed on top of the existing instructions.
///
/// As a trivial example,
/// define i32 @main() #0 {
/// }
///
/// Given this form, all the stores that could ever effect the load at %8 can be
-/// gotten by using the MemoryUse associated with it, and walking from use to def
-/// until you hit the top of the function.
+/// gotten by using the MemoryUse associated with it, and walking from use to
+/// def until you hit the top of the function.
///
/// Each def also has a list of users associated with it, so you can walk from
/// both def to users, and users to defs. Note that we disambiguate MemoryUses,
/// but not the RHS of MemoryDefs. You can see this above at %7, which would
/// otherwise be a MemoryUse(4). Being disambiguated means that for a given
-/// store, all the MemoryUses on its use lists are may-aliases of that store (but
-/// the MemoryDefs on its use list may not be).
+/// store, all the MemoryUses on its use lists are may-aliases of that store
+/// (but the MemoryDefs on its use list may not be).
///
/// MemoryDefs are not disambiguated because it would require multiple reaching
/// definitions, which would require multiple phis, and multiple memoryaccesses
unsigned NextID;
};
-
// Internal MemorySSA utils, for use by MemorySSA classes and walkers
-class MemorySSAUtil
-{
+class MemorySSAUtil {
protected:
friend class MemorySSAWalker;
friend class GVNHoist;