Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/X86/vshift_split2.ll

@@ -0,0 +1,11 @@
+; RUN: llc < %s -mtriple=i686-- -mcpu=yonah
+
+; Legalization example that requires splitting a large vector into smaller pieces.
+
+define void @update(<8 x i32> %val, <8 x i32>* %dst) nounwind {
+entry:
+	%shl = shl <8 x i32> %val, < i32 2, i32 2, i32 2, i32 2, i32 4, i32 4, i32 4, i32 4 >
+	%shr = ashr <8 x i32> %val, < i32 2, i32 2, i32 2, i32 2, i32 4, i32 4, i32 4, i32 4 >
+	store <8 x i32> %shr, <8 x i32>* %dst
+	ret void
+}