[SDAGBuilder] Make the AArch64 builder happier.
I intended this loop to only unwrap SplitVector actions, but it
was more broad than that, such as unwrapping WidenVector actions,
which makes operations seem legal when they're not.
llvm-svn: 237457
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 1915a43..3c5d32f 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2278,11 +2278,11 @@
EVT VT = ValueVTs[0];
LLVMContext &Ctx = *DAG.getContext();
- while (DAG.getTargetLoweringInfo().getTypeToTransformTo(Ctx, VT) != VT)
- VT = DAG.getTargetLoweringInfo().getTypeToTransformTo(Ctx, VT);
+ auto &TLI = DAG.getTargetLoweringInfo();
+ while (TLI.getTypeAction(Ctx, VT) == TargetLoweringBase::TypeSplitVector)
+ VT = TLI.getTypeToTransformTo(Ctx, VT);
- if (Opc != ISD::DELETED_NODE &&
- DAG.getTargetLoweringInfo().isOperationLegalOrCustom(Opc, VT)) {
+ if (Opc != ISD::DELETED_NODE && TLI.isOperationLegalOrCustom(Opc, VT)) {
OpCode = Opc;
LHSVal = getValue(LHS);
RHSVal = getValue(RHS);