diff --git a/test/DebugInfo/bug_null_debuginfo.ll b/test/DebugInfo/bug_null_debuginfo.ll
index a7fdf70d71c..b17affed893 100644
--- a/test/DebugInfo/bug_null_debuginfo.ll
+++ b/test/DebugInfo/bug_null_debuginfo.ll
@@ -1,5 +1,4 @@
-; RUN: llc
-
+; RUN: llc < %s
 
 !llvm.dbg.cu = !{!0}
 
diff --git a/test/Transforms/LoopUnroll/pr11361.ll b/test/Transforms/LoopUnroll/pr11361.ll
index 7ce7f5fe460..62de2f728d2 100644
--- a/test/Transforms/LoopUnroll/pr11361.ll
+++ b/test/Transforms/LoopUnroll/pr11361.ll
@@ -1,4 +1,4 @@
-; RUN: opt -loop-unroll -disable-output
+; RUN: opt -loop-unroll -disable-output < %s
 ; PR11361
 
 ; This tests for an iterator invalidation issue.
diff --git a/test/Transforms/LoopUnswitch/2011-06-02-CritSwitch.ll b/test/Transforms/LoopUnswitch/2011-06-02-CritSwitch.ll
index 61c54ddb156..609520064a7 100644
--- a/test/Transforms/LoopUnswitch/2011-06-02-CritSwitch.ll
+++ b/test/Transforms/LoopUnswitch/2011-06-02-CritSwitch.ll
@@ -1,4 +1,4 @@
-; RUN: opt -loop-unswitch -disable-output
+; RUN: opt -loop-unswitch -disable-output < %s
 ; PR10031
 
 define i32 @test(i32 %command) {