aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen')
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAG.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index eba3a2a9ce..3d0a2d6e50 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2320,6 +2320,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
// Fold trivial token factors.
if (N1.getOpcode() == ISD::EntryToken) return N2;
if (N2.getOpcode() == ISD::EntryToken) return N1;
+ if (N1 == N2) return N1;
break;
case ISD::CONCAT_VECTORS:
// A CONCAT_VECTOR with all operands BUILD_VECTOR can be simplified to