[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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292050 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index e301d0ab7acfa67709be0c0aac8ed794a9cb62fb..6f3623e088b79fa8efa7d46d2fb5842def7a9973 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -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 addr:$src))),
 let Predicates = [UseSSE3] in {
   def : Pat<(X86Movddup (memopv2f64 addr:$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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