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authorBrian Gaeke <gaeke@uiuc.edu>2004-06-03 05:03:02 +0000
committerBrian Gaeke <gaeke@uiuc.edu>2004-06-03 05:03:02 +0000
commita9c5779a869323f59dea8a9fffafec7d0dae08dd (patch)
treee7fe8f31f8289b7e2b58dbfbbd4bbfd16363b5c3 /llvm/lib/Transforms/Instrumentation/ProfilePaths/CombineBranch.cpp
parent0a48c0d913e0daaceaed250e110cfbdd05cbfb54 (diff)
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Expand head-of-file comment.
llvm-svn: 13982
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation/ProfilePaths/CombineBranch.cpp')
-rw-r--r--llvm/lib/Transforms/Instrumentation/ProfilePaths/CombineBranch.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/ProfilePaths/CombineBranch.cpp b/llvm/lib/Transforms/Instrumentation/ProfilePaths/CombineBranch.cpp
index a4197cbb207..e395b26c821 100644
--- a/llvm/lib/Transforms/Instrumentation/ProfilePaths/CombineBranch.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ProfilePaths/CombineBranch.cpp
@@ -7,7 +7,9 @@
//
//===----------------------------------------------------------------------===//
//
-// Combine branches
+// Combine multiple back-edges going to the same sink into a single
+// back-edge. This introduces a new basic block and back-edge branch for each
+// such sink.
//
//===----------------------------------------------------------------------===//
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