if (RVVT != MVT::i1 && RVVT != MVT::i8 && RVVT != MVT::i16)
return false;
- if (!Outs[0].Flags.isZExt() && !Outs[0].Flags.isSExt())
- return false;
-
assert(DestVT == MVT::i32 && "ARM should always ext to i32");
- bool isZExt = Outs[0].Flags.isZExt();
- SrcReg = ARMEmitIntExt(RVVT, SrcReg, DestVT, isZExt);
- if (SrcReg == 0) return false;
+ // Perform extension if flagged as either zext or sext. Otherwise, do
+ // nothing.
+ if (Outs[0].Flags.isZExt() || Outs[0].Flags.isSExt()) {
+ SrcReg = ARMEmitIntExt(RVVT, SrcReg, DestVT, Outs[0].Flags.isZExt());
+ if (SrcReg == 0) return false;
+ }
}
// Make the copy.