From a3fd88d01f027497e3eafd873119b2b9e82630bd Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 28 Jan 2004 03:24:41 +0000 Subject: [PATCH] Eliminate the call to removeTriviallyDeadNodes from updateFromGlobals graph, moving it to the start of removeDeadNodes. This speeds up DSA by 2s on perlbmk from 41s git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10999 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Analysis/DataStructure/DataStructure.cpp | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp index 0e7d3e69b9d..9f8a4ef4b51 100644 --- a/lib/Analysis/DataStructure/DataStructure.cpp +++ b/lib/Analysis/DataStructure/DataStructure.cpp @@ -1071,9 +1071,6 @@ void DSGraph::updateFromGlobalGraph() { if (It != GlobalsGraph->ScalarMap.end()) RC.merge(getNodeForValue(*I), It->second); } - - // Merging global nodes leaves behind unused nodes: get rid of them now. - removeTriviallyDeadNodes(); } /// cloneInto - Clone the specified DSGraph into the current graph. The @@ -1597,7 +1594,7 @@ void DSGraph::removeDeadNodes(unsigned Flags) { // Reduce the amount of work we have to do... remove dummy nodes left over by // merging... - //removeTriviallyDeadNodes(); + removeTriviallyDeadNodes(); TIME_REGION(X, "removeDeadNodes"); -- 2.34.1