[X86] Remove unnecessary bitconverts as the root of patterns for zero extended VCVTPD...

We don't need a bitconvert as a root pattern in these cases. The types in the other parts of the pattern are sufficient to express the behavior of these instructions.

llvm-svn: 315798

diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index d73abf08105fe2b7dbe8cdd7262eef79842cab15..a7396d656357e1e581464a301ec7503ae2e6cfa6 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -7045,14 +7045,14 @@ let Predicates = [HasAVX512, HasVLX] in {
     def : Pat<(X86vzmovl (v2i64 (bitconvert
                                 (v4i32 (X86cvtp2Int (v2f64 VR128X:$src)))))),
               (VCVTPD2DQZ128rr VR128X:$src)>;
-    def : Pat<(v4i32 (bitconvert (X86vzmovl (v2i64 (bitconvert
-                                 (v4i32 (X86cvtp2UInt (v2f64 VR128X:$src)))))))),
+    def : Pat<(X86vzmovl (v2i64 (bitconvert
+                                 (v4i32 (X86cvtp2UInt (v2f64 VR128X:$src)))))),
               (VCVTPD2UDQZ128rr VR128X:$src)>;
     def : Pat<(X86vzmovl (v2i64 (bitconvert
                                 (v4i32 (X86cvttp2si (v2f64 VR128X:$src)))))),
               (VCVTTPD2DQZ128rr VR128X:$src)>;
-    def : Pat<(v4i32 (bitconvert (X86vzmovl (v2i64 (bitconvert
-                                 (v4i32 (X86cvttp2ui (v2f64 VR128X:$src)))))))),
+    def : Pat<(X86vzmovl (v2i64 (bitconvert
+                                 (v4i32 (X86cvttp2ui (v2f64 VR128X:$src)))))),
               (VCVTTPD2UDQZ128rr VR128X:$src)>;
   }