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Merge r127263 from mainline, fixes PR9427 for 2.9.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_29@127437 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2011-03-11 00:11:06 +00:00
parent 73dc78f1e7
commit 5705843fd1
2 changed files with 10 additions and 1 deletions
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4
lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
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@@ -446,6 +446,10 @@ void ScheduleDAGSDNodes::BuildSchedGraph(AliasAnalysis *AA) {
// Initialize NumNodeDefs for the current Node's opcode.
void ScheduleDAGSDNodes::RegDefIter::InitNodeNumDefs() {
// Check for phys reg copy.
if (!Node)
return;
if (!Node->isMachineOpcode()) {
if (Node->getOpcode() == ISD::CopyFromReg)
NodeNumDefs = 1;