We should be comparing the element counts rather than the
numbers of elements.
Differential Revision: https://reviews.llvm.org/D80634
VectorType *ET = dyn_cast<VectorType>(Op1->getType());
if (!ET)
return "selected values for vector select must be vectors";
- if (ET->getNumElements() != VT->getNumElements())
+ if (ET->getElementCount() != VT->getElementCount())
return "vector select requires selected vectors to have "
"the same vector length as select condition";
} else if (Op0->getType() != Type::getInt1Ty(Op0->getContext())) {
--- /dev/null
+; RUN: not llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s 2>&1 | FileCheck %s
+
+define <vscale x 16 x i8> @badsel1_nxv16i8(<16 x i1> %p,
+ <vscale x 16 x i8> %dst,
+ <vscale x 16 x i8> %a) {
+ %sel = select <16 x i1> %p, <vscale x 16 x i8> %a, <vscale x 16 x i8> %dst
+ ret <vscale x 16 x i8> %sel
+}
+
+; CHECK: error: vector select requires selected vectors to have the same vector length as select condition