diff --git a/test/CodeGen/enum.c b/test/CodeGen/enum.c
index f671dfca0c..c8641926ee 100644
--- a/test/CodeGen/enum.c
+++ b/test/CodeGen/enum.c
@@ -1,4 +1,4 @@
-// RUN: clang %s -emit-llvm | llvm-as | opt -std-compile-opts | llvm-dis | grep 'ret i32 6'
+// RUN: clang %s -emit-llvm-bc -o - | opt -std-compile-opts | llvm-dis | grep 'ret i32 6'
 
 static enum { foo, bar = 1U } z;
 
diff --git a/test/CodeGen/switch.c b/test/CodeGen/switch.c
index 3697ce7c02..a21505ef89 100644
--- a/test/CodeGen/switch.c
+++ b/test/CodeGen/switch.c
@@ -1,4 +1,4 @@
-// RUN: clang %s -emit-llvm | llvm-as | opt -std-compile-opts -disable-output
+// RUN: clang %s -emit-llvm-bc -o - | opt -std-compile-opts -disable-output
 
 int foo(int i) {
   int j = 0;