diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 723e0f0a91..1c8f22a2a2 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -530,6 +530,10 @@ SDValue RegsForValue::getCopyFromRegs(SelectionDAG &DAG, FunctionLoweringInfo &FuncInfo, DebugLoc dl, SDValue &Chain, SDValue *Flag) const { + // A Value with type {} or [0 x %t] needs no registers. + if (ValueVTs.empty()) + return SDValue(); + const TargetLowering &TLI = DAG.getTargetLoweringInfo(); // Assemble the legal parts into the final values. |