[PATCH] [X86] Add HasAVX512 patterns for SS SSE intrinsics.

[Elena Demikhovsky]

================
Comment at: lib/Target/X86/X86InstrAVX512.td:3365
@@ -3364,1 +3364,3 @@
 
+// Also match the pre-AVX512 intrinsics.
+multiclass avx512_sse_scalar_intrin_patterns<string OpcodeStr, string IntStr> {
----------------
All AVX-512 intrinsics, even FP scalar, come with masks and with rounding mode.
I don't understand where these intrinsics _sse_avx512_ come from.
Due to very complex form of these inrinsics, we add them to X86IntrinsicsInfo.h

http://reviews.llvm.org/D9362

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