diff --git a/test/CodeGen/X86/2010-01-18-DbgValue.ll b/test/CodeGen/X86/2010-01-18-DbgValue.ll
index 207a1f7f945..85ee091c347 100644
--- a/test/CodeGen/X86/2010-01-18-DbgValue.ll
+++ b/test/CodeGen/X86/2010-01-18-DbgValue.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O0 < %s | FileCheck %s
+; RUN: llc -march=x86 -O0 < %s | FileCheck %s
 ; Currently, dbg.declare generates a DEBUG_VALUE comment.  Eventually it will
 ; generate DWARF and this test will need to be modified or removed.
 
diff --git a/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll b/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
index 4c477ee7d05..1becb5f12a5 100644
--- a/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
+++ b/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O2 < %s | grep debug_loc12
+; RUN: llc -march=x86 -O2 < %s | grep debug_loc12
 ; Test to check .debug_loc support. This test case emits 13 debug_loc entries.
 
 %0 = type { double }