diff options
| author | Jim Laskey <jlaskey@mac.com> | 2005-12-18 04:40:52 +0000 |
|---|---|---|
| committer | Jim Laskey <jlaskey@mac.com> | 2005-12-18 04:40:52 +0000 |
| commit | bd2b6214862ccc33d3bb63005faa15c16ee51c49 (patch) | |
| tree | e230c3dff4f1475eba6461cf517ae07123decdc1 /lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | |
| parent | 9022ed955adc8ecdc8ebf19bb05efea924d1ad0e (diff) | |
Fix a bug Sabre was having where the DAG root was a group. The group dominator
needed to be added to the ordering list, not the first member of the group.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24816 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp index ef90fc048c..03a0dd1200 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp @@ -682,7 +682,12 @@ void SimpleSched::IncludeNode(NodeInfo *NI) { /// Note that the ordering in the Nodes vector is reversed. void SimpleSched::VisitAll() { // Add first element to list - Ordering.push_back(getNI(DAG.getRoot().Val)); + NodeInfo *NI = getNI(DAG.getRoot().Val); + if (NI->isInGroup()) { + Ordering.push_back(NI->Group->getDominator()); + } else { + Ordering.push_back(NI); + } // Iterate through all nodes that have been added for (unsigned i = 0; i < Ordering.size(); i++) { // note: size() varies |