diff --git a/test/CodeGen/X86/rdrand.ll b/test/CodeGen/X86/rdrand.ll
index b0d19cb2f40..3d1870987a5 100644
--- a/test/CodeGen/X86/rdrand.ll
+++ b/test/CodeGen/X86/rdrand.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 -mcpu=core-avx-i -mattr=+rdrand | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=core-avx-i -mattr=+rdrand | FileCheck %s
 declare {i16, i32} @llvm.x86.rdrand.16()
 declare {i32, i32} @llvm.x86.rdrand.32()
 declare {i64, i32} @llvm.x86.rdrand.64()
diff --git a/test/CodeGen/X86/rdseed.ll b/test/CodeGen/X86/rdseed.ll
index dae0a602925..462cacad958 100644
--- a/test/CodeGen/X86/rdseed.ll
+++ b/test/CodeGen/X86/rdseed.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 -mcpu=core-avx-i -mattr=+rdseed | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=core-avx-i -mattr=+rdseed | FileCheck %s
 
 declare {i16, i32} @llvm.x86.rdseed.16()
 declare {i32, i32} @llvm.x86.rdseed.32()