[X86][Skylake] Replacing -mcpu=skx by -mattr in a codegen test. NFC.

NFC.
Replacing -mcpu=skx by -mattr in the run command of the codegen test: avx512-gather-scatter-intrin.ll.

Reviewers: delena
Revision: https://reviews.llvm.org/D37799
llvm-svn: 313144

llvm/test/CodeGen/X86/avx512-gather-scatter-intrin.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=skx | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx512f,+avx512bw,+avx512vl,+avx512dq | FileCheck %s
 
 declare <16 x float> @llvm.x86.avx512.gather.dps.512 (<16 x float>, i8*, <16 x i32>, i16, i32)
 declare void @llvm.x86.avx512.scatter.dps.512 (i8*, i16, <16 x i32>, <16 x float>, i32)