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
This commit is contained in:
Chris Lattner 2004-01-28 03:24:41 +00:00
parent 6d8f3dcd75
commit a3fd88d01f

View File

@ -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");