Fix an altivec constant miscompilation that Duncan found through
his work on legalizetypes.
llvm-svn: 53410
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 4650ad7..4225ada 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -3399,8 +3399,10 @@
// If this value is in the range [-32,30] and is even, use:
// tmp = VSPLTI[bhw], result = add tmp, tmp
if (SextVal >= -32 && SextVal <= 30 && (SextVal & 1) == 0) {
- Op = BuildSplatI(SextVal >> 1, SplatSize, Op.getValueType(), DAG);
- return DAG.getNode(ISD::ADD, Op.getValueType(), Op, Op);
+ SDOperand Res = BuildSplatI(SextVal >> 1, SplatSize, MVT::Other, DAG);
+ Res = DAG.getNode(ISD::ADD, Res.getValueType(), Res, Res);
+ return DAG.getNode(ISD::BIT_CONVERT, Op.getValueType(), Res);
+
}
// If this is 0x8000_0000 x 4, turn into vspltisw + vslw. If it is