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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp14
1 files changed, 3 insertions, 11 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
index 6c248bec441..17618d71305 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@ -240,17 +240,9 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) {
return TranslateLegalizeResults(Op, Result);
case TargetLowering::Custom:
if (SDValue Lowered = TLI.LowerOperation(Result, DAG)) {
- if (Lowered == Result)
- return TranslateLegalizeResults(Op, Lowered);
- Changed = true;
- if (Lowered->getNumValues() != Op->getNumValues()) {
- // This expanded to something other than the load. Assume the
- // lowering code took care of any chain values, and just handle the
- // returned value.
- assert(Result.getValue(1).use_empty() &&
- "There are still live users of the old chain!");
- return LegalizeOp(Lowered);
- }
+ assert(Lowered->getNumValues() == Op->getNumValues() &&
+ "Unexpected number of results");
+ Changed = Lowered != Result;
return TranslateLegalizeResults(Op, Lowered);
}
LLVM_FALLTHROUGH;
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