diff --git a/clang/test/CodeGen/X86/sse42-builtins.c b/clang/test/CodeGen/X86/sse42-builtins.c
index 93e4c3ac4112..92fc7b301a0e 100644
--- a/clang/test/CodeGen/X86/sse42-builtins.c
+++ b/clang/test/CodeGen/X86/sse42-builtins.c
@@ -1,5 +1,7 @@
-// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +sse4.2 -emit-llvm -o - -Wall -Werror | FileCheck %s
-// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +sse4.2 -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s
+// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +sse4.2 -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK,X64
+// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +sse4.2 -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK,X64
+// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +sse4.2 -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK
+// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +sse4.2 -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK
 
 
 #include <immintrin.h>
@@ -116,8 +118,8 @@ unsigned int test_mm_crc32_u32(unsigned int CRC, unsigned int V) {
 
 #ifdef __x86_64__
 unsigned long long test_mm_crc32_u64(unsigned long long CRC, unsigned long long V) {
-  // CHECK-LABEL: test_mm_crc32_u64
-  // CHECK: call i64 @llvm.x86.sse42.crc32.64.64(i64 %{{.*}}, i64 %{{.*}})
+  // X64-LABEL: test_mm_crc32_u64
+  // X64: call i64 @llvm.x86.sse42.crc32.64.64(i64 %{{.*}}, i64 %{{.*}})
   return _mm_crc32_u64(CRC, V);
 }
 #endif