aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAG.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 8aa2bc660a..039cd57584 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -387,6 +387,10 @@ void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
///
SDNode *SelectionDAG::AddNonLeafNodeToCSEMaps(SDNode *N) {
assert(N->getNumOperands() && "This is a leaf node!");
+ if (N->getOpcode() == ISD::CALLSEQ_START ||
+ N->getOpcode() == ISD::CALLSEQ_END)
+ return 0;
+
if (N->getOpcode() == ISD::LOAD) {
SDNode *&L = Loads[std::make_pair(N->getOperand(1),
std::make_pair(N->getOperand(0),