diff --git a/test/CodeGen/X86/avx512-vbroadcast.ll b/test/CodeGen/X86/avx512-vbroadcast.ll
index 38a748bd2ff..9e1548996e5 100644
--- a/test/CodeGen/X86/avx512-vbroadcast.ll
+++ b/test/CodeGen/X86/avx512-vbroadcast.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -mcpu=x86-64 -mattr=+avx512f | FileCheck %s --check-prefix=ALL --check-prefix=AVX512 --check-prefix=AVX512F
-; RUN: llc < %s -mcpu=x86-64 -mattr=+avx512bw | FileCheck %s --check-prefix=ALL --check-prefix=AVX512 --check-prefix=AVX512BW
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx512f | FileCheck %s --check-prefix=ALL --check-prefix=AVX512 --check-prefix=AVX512F
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx512bw | FileCheck %s --check-prefix=ALL --check-prefix=AVX512 --check-prefix=AVX512BW
 
 define   <16 x i32> @_inreg16xi32(i32 %a) {
 ; ALL-LABEL: _inreg16xi32: