Changes in directory llvm/lib/CodeGen/SelectionDAG:
ScheduleDAG.cpp updated: 1.49 -> 1.50
---
Log message:
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.
---
Diffs of the changes: (+6 -1)
ScheduleDAG.cpp | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletion(-)
Index: llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp:1.49
llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp:1.50
--- llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp:1.49 Sat Dec 17 21:59:21 2005
+++ llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp Sat Dec 17 22:40:52 2005
@@ -682,7 +682,12 @@
/// 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
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