x86 doesn't actually want to custom lower v3i32
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44835 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index c0001c0..5835ae3 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -600,6 +600,9 @@
// Custom lower build_vector, vector_shuffle, and extract_vector_elt.
for (unsigned VT = (unsigned)MVT::v16i8; VT != (unsigned)MVT::v2i64; VT++) {
+ // Do not attempt to custom lower non-power-of-2 vectors
+ if (!isPowerOf2_32(MVT::getVectorNumElements(VT)))
+ continue;
setOperationAction(ISD::BUILD_VECTOR, (MVT::ValueType)VT, Custom);
setOperationAction(ISD::VECTOR_SHUFFLE, (MVT::ValueType)VT, Custom);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, (MVT::ValueType)VT, Custom);