[llvm] r292050 - [X86] Remove untested MOVDDUP patterns.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Jan 14 23:21:29 2017
New Revision: 292050

URL: http://llvm.org/viewvc/llvm-project?rev=292050&view=rev
Log:
[X86] Remove untested MOVDDUP patterns.

These all involve bitcasts around the memory operands. This isn't
something we normally do for isel patterns. I suspect DAG combine should
convert the load type making this unnecessary.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrSSE.td

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=292050&r1=292049&r2=292050&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Sat Jan 14 23:21:29 2017
@@ -5108,16 +5108,6 @@ let Predicates = [HasAVX, NoVLX] in {
             (VMOVDDUPYrr VR256:$src)>;
 }
 
-let Predicates = [HasAVX] in {
-  def : Pat<(X86Movddup (bc_v2f64 (loadv4f32 addr:$src))),
-            (VMOVDDUPrm addr:$src)>, Requires<[HasAVX]>;
-  def : Pat<(X86Movddup (bc_v2f64 (loadv2i64 addr:$src))),
-            (VMOVDDUPrm addr:$src)>, Requires<[HasAVX]>;
-  def : Pat<(X86Movddup (bc_v2f64
-                             (v2i64 (scalar_to_vector (loadi64 addr:$src))))),
-            (VMOVDDUPrm addr:$src)>, Requires<[HasAVX]>;
-}
-
 let Predicates = [HasAVX, NoVLX] in
 def : Pat<(v2f64 (X86VBroadcast (loadf64 addr:$src))),
           (VMOVDDUPrm addr:$src)>;
@@ -5128,13 +5118,6 @@ def : Pat<(v2i64 (X86VBroadcast (loadi64
 let Predicates = [UseSSE3] in {
   def : Pat<(X86Movddup (memopv2f64 addr:$src)),
             (MOVDDUPrm addr:$src)>;
-  def : Pat<(X86Movddup (bc_v2f64 (memopv4f32 addr:$src))),
-            (MOVDDUPrm addr:$src)>;
-  def : Pat<(X86Movddup (bc_v2f64 (memopv2i64 addr:$src))),
-            (MOVDDUPrm addr:$src)>;
-  def : Pat<(X86Movddup (bc_v2f64
-                             (v2i64 (scalar_to_vector (loadi64 addr:$src))))),
-            (MOVDDUPrm addr:$src)>;
 }
 
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