[X86] Remove stale comment. NFC.

It turns out 256bit V[SZ]EXT nodes are still
generated by the new shuffle lowering, so this
is here to stay!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231422 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 6d3cfd5cebe2a6133c8225c6c9673716e806d184..ffdda65704c06e467c9f4dc6a3ca69d1d9b9aaa4 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -5902,7 +5902,6 @@ multiclass SS41I_pmovx_avx2_patterns<string OpcPrefix, string ExtTy, SDNode ExtO
             (!cast<I>(OpcPrefix#DQYrr) VR128:$src)>;
 
   // On AVX2, we also support 256bit inputs.
-  // FIXME: remove these patterns when the old shuffle lowering goes away.
   def : Pat<(v16i16 (ExtOp (v32i8 VR256:$src))),
             (!cast<I>(OpcPrefix#BWYrr) (EXTRACT_SUBREG VR256:$src, sub_xmm))>;
   def : Pat<(v8i32 (ExtOp (v32i8 VR256:$src))),