Make sure both PendingLoads and PendingExports are flushed
before an invoke. Failure to do this causes references in
the landing pad to variables that were not set. Fixes
g++.dg/eh/delayslot1.C
g++.dg/eh/fp-regs.C
g++.old-deja/g++.brendan/eh1.C
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49243 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index f237caf..cfef9ac 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -3171,7 +3171,10 @@
// Insert a label before the invoke call to mark the try range. This can be
// used to detect deletion of the invoke via the MachineModuleInfo.
BeginLabel = MMI->NextLabelID();
- DAG.setRoot(DAG.getNode(ISD::LABEL, MVT::Other, getRoot(),
+ // Both PendingLoads and PendingExports must be flushed here;
+ // this call might not return.
+ (void)getRoot();
+ DAG.setRoot(DAG.getNode(ISD::LABEL, MVT::Other, getControlRoot(),
DAG.getConstant(BeginLabel, MVT::i32),
DAG.getConstant(1, MVT::i32)));
}