diff --git a/clang/test/CodeGen/union-align.c b/clang/test/CodeGen/union-align.c
index 89a9456e609d..2055d93d8efc 100644
--- a/clang/test/CodeGen/union-align.c
+++ b/clang/test/CodeGen/union-align.c
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -emit-llvm %s -o - | grep load | grep "4 x float" | not grep "align 4"
-// RUN: %clang_cc1 -emit-llvm %s -o - | grep load | grep "4 x float" | grep "align 16"
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | not grep "align 4"
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | grep "align 16"
 // PR3432
 // rdar://6536377
 
diff --git a/clang/test/CodeGenOpenCL/bool_cast.cl b/clang/test/CodeGenOpenCL/bool_cast.cl
index 8c86b06577d6..ab40eccf571f 100644
--- a/clang/test/CodeGenOpenCL/bool_cast.cl
+++ b/clang/test/CodeGenOpenCL/bool_cast.cl
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 %s -emit-llvm -o - -O0 | FileCheck %s
+// RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -emit-llvm -o - -O0 | FileCheck %s
 
 typedef unsigned char uchar4 __attribute((ext_vector_type(4)));
 typedef unsigned int int4 __attribute((ext_vector_type(4)));