[llvm] r284327 - [AVX-512] Move (v4i64 (X86SubVBroadcast (v2i64))) alternate patterns under a HasVLX predicate. Similar for floating point.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Oct 15 23:54:26 2016
New Revision: 284327

URL: http://llvm.org/viewvc/llvm-project?rev=284327&view=rev
Log:
[AVX-512] Move (v4i64 (X86SubVBroadcast (v2i64))) alternate patterns under a HasVLX predicate. Similar for floating point.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrAVX512.td

Modified: llvm/trunk/lib/Target/X86/X86InstrAVX512.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrAVX512.td?rev=284327&r1=284326&r2=284327&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrAVX512.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrAVX512.td Sat Oct 15 23:54:26 2016
@@ -1079,6 +1079,15 @@ defm VBROADCASTI64X2Z128 : avx512_subvec
 defm VBROADCASTF64X2Z128 : avx512_subvec_broadcast_rm<0x1a, "vbroadcastf64x2",
                            v4f64x_info, v2f64x_info>, VEX_W,
                            EVEX_V256, EVEX_CD8<64, CD8VT2>;
+
+// Provide fallback in case the load node that is used in the patterns above
+// is used by additional users, which prevents the pattern selection.
+def : Pat<(v4f64 (X86SubVBroadcast (v2f64 VR128X:$src))),
+          (VINSERTF64x2Z256rr (INSERT_SUBREG (v4f64 (IMPLICIT_DEF)), VR128X:$src, sub_xmm),
+                              (v2f64 VR128X:$src), 1)>;
+def : Pat<(v4i64 (X86SubVBroadcast (v2i64 VR128X:$src))),
+          (VINSERTI64x2Z256rr (INSERT_SUBREG (v4i64 (IMPLICIT_DEF)), VR128X:$src, sub_xmm),
+                              (v2i64 VR128X:$src), 1)>;
 }
 
 let Predicates = [HasVLX, NoDQI] in {
@@ -1110,15 +1119,6 @@ defm VBROADCASTF64X2 : avx512_subvec_bro
 defm VBROADCASTF32X8 : avx512_subvec_broadcast_rm<0x1b, "vbroadcastf32x8",
                        v16f32_info, v8f32x_info>,
                        EVEX_V512, EVEX_CD8<32, CD8VT8>;
-
-// Provide fallback in case the load node that is used in the patterns above
-// is used by additional users, which prevents the pattern selection.
-def : Pat<(v4f64 (X86SubVBroadcast (v2f64 VR128X:$src))),
-          (VINSERTI64x2Z256rr (INSERT_SUBREG (v4f64 (IMPLICIT_DEF)), VR128X:$src, sub_xmm),
-                              (v2f64 VR128X:$src), 1)>;
-def : Pat<(v4i64 (X86SubVBroadcast (v2i64 VR128X:$src))),
-          (VINSERTI64x2Z256rr (INSERT_SUBREG (v4i64 (IMPLICIT_DEF)), VR128X:$src, sub_xmm),
-                              (v2i64 VR128X:$src), 1)>;
 }
 
 multiclass avx512_common_broadcast_32x2<bits<8> opc, string OpcodeStr,