diff --git a/test/CodeGenObjC/ivar-layout-64.m b/test/CodeGenObjC/ivar-layout-64.m
index f9ac6cd..1905753 100644
--- a/test/CodeGenObjC/ivar-layout-64.m
+++ b/test/CodeGenObjC/ivar-layout-64.m
@@ -1,5 +1,5 @@
 // RUNX: llvm-gcc -m64 -fobjc-gc -emit-llvm -S -o %t %s &&
-// RUN: clang-cc -fobjc-nonfragile-abi -fobjc-gc -emit-llvm -o %t %s
+// RUN: clang-cc -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -fobjc-gc -emit-llvm -o %t %s
 // RUN: grep '@"\\01L_OBJC_CLASS_NAME_.*" = internal global .* c"A\\00"' %t
 // RUN: grep '@"\\01L_OBJC_CLASS_NAME_.*" = internal global .* c"\\11q\\10\\00"' %t
 // RUN: grep '@"\\01L_OBJC_CLASS_NAME_.*" = internal global .* c"!q\\00"' %t
diff --git a/test/CodeGenObjC/objc2-write-barrier-3.m b/test/CodeGenObjC/objc2-write-barrier-3.m
index 63fa3a9..7058302 100644
--- a/test/CodeGenObjC/objc2-write-barrier-3.m
+++ b/test/CodeGenObjC/objc2-write-barrier-3.m
@@ -1,4 +1,4 @@
-// RUN: clang-cc -fobjc-nonfragile-abi -fblocks -fobjc-gc -emit-llvm -o %t %s
+// RUN: clang-cc -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -fblocks -fobjc-gc -emit-llvm -o %t %s
 // RUN: grep objc_assign_ivar %t | count 3
 // RUN: grep objc_assign_strongCast %t | count 6