[llvm] r191490 - Put HasAVX512 predicate on some patterns to properly disable them when AVX512 isn't enabled. Currently it works simply because the SSE and AVX version of the same patterns are checked first in the DAG isel table.

[Craig Topper]

Author: ctopper
Date: Fri Sep 27 02:20:47 2013
New Revision: 191490

URL: http://llvm.org/viewvc/llvm-project?rev=191490&view=rev
Log:
Put HasAVX512 predicate on some patterns to properly disable them when AVX512 isn't enabled. Currently it works simply because the SSE and AVX version of the same patterns are checked first in the DAG isel table.

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=191490&r1=191489&r2=191490&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrAVX512.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrAVX512.td Fri Sep 27 02:20:47 2013
@@ -1997,15 +1997,17 @@ def VMOVHLPSZrr : AVX512PSI<0x12, MRMSrc
           [(set VR128X:$dst, (v4f32 (X86Movhlps VR128X:$src1, VR128X:$src2)))],
           IIC_SSE_MOV_LH>, EVEX_4V;
 
-// MOVLHPS patterns
-def : Pat<(v4i32 (X86Movlhps VR128X:$src1, VR128X:$src2)),
-          (VMOVLHPSZrr VR128X:$src1, VR128X:$src2)>;
-def : Pat<(v2i64 (X86Movlhps VR128X:$src1, VR128X:$src2)),
-          (VMOVLHPSZrr (v2i64 VR128X:$src1), VR128X:$src2)>;
+let Predicates = [HasAVX512] in {
+  // MOVLHPS patterns
+  def : Pat<(v4i32 (X86Movlhps VR128X:$src1, VR128X:$src2)),
+            (VMOVLHPSZrr VR128X:$src1, VR128X:$src2)>;
+  def : Pat<(v2i64 (X86Movlhps VR128X:$src1, VR128X:$src2)),
+            (VMOVLHPSZrr (v2i64 VR128X:$src1), VR128X:$src2)>;
 
-// MOVHLPS patterns
-def : Pat<(v4i32 (X86Movhlps VR128X:$src1, VR128X:$src2)),
-          (VMOVHLPSZrr VR128X:$src1, VR128X:$src2)>;
+  // MOVHLPS patterns
+  def : Pat<(v4i32 (X86Movhlps VR128X:$src1, VR128X:$src2)),
+            (VMOVHLPSZrr VR128X:$src1, VR128X:$src2)>;
+}
 
 //===----------------------------------------------------------------------===//
 // FMA - Fused Multiply Operations