Allow sign-extending of i8 and i16 to i128 on SPU.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123912 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 36c8bd5..e218fb9 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -2719,6 +2719,12 @@
SDValue Op0 = Op.getOperand(0);
MVT Op0VT = Op0.getValueType().getSimpleVT();
+ // extend i8 & i16 via i32
+ if (Op0VT == MVT::i8 || Op0VT == MVT::i16) {
+ Op0 = DAG.getNode(ISD::SIGN_EXTEND, dl, MVT::i32, Op0);
+ Op0VT = MVT::i32;
+ }
+
// The type to extend to needs to be a i128 and
// the type to extend from needs to be i64 or i32.
assert((OpVT == MVT::i128 && (Op0VT == MVT::i64 || Op0VT == MVT::i32)) &&