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Cleanup. Added LoopBlocksDFS::perform for simple clients.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137195 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2011-08-10 01:59:05 +00:00
parent 155a92a491
commit 2d31ae3d9d
3 changed files with 18 additions and 7 deletions
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lib/Transforms/Utils/LoopUnroll.cpp
+2 -7
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@@ -230,13 +230,8 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount,
// reverse postorder so that LastValueMap contains the correct value at each
// exit.
LoopBlocksDFS DFS(L);
{
// Traverse the loop blocks using depth-first search to record RPO numbers
// for each block in the DFS result.
LoopBlocksTraversal Traversal(DFS, LI);
for (LoopBlocksTraversal::POTIterator POI = Traversal.begin(),
POE = Traversal.end(); POI != POE; ++POI);
}
DFS.perform(LI);
// Stash the DFS iterators before adding blocks to the loop.
LoopBlocksDFS::RPOIterator BlockBegin = DFS.beginRPO();
LoopBlocksDFS::RPOIterator BlockEnd = DFS.endRPO();