diff --git a/test/CodeGen/CBackend/2002-05-16-NameCollide.ll b/test/CodeGen/CBackend/2002-05-16-NameCollide.ll
index c08024b..e9206b5 100644
--- a/test/CodeGen/CBackend/2002-05-16-NameCollide.ll
+++ b/test/CodeGen/CBackend/2002-05-16-NameCollide.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; Make sure that global variables do not collide if they have the same name,
 ; but different types.
 
diff --git a/test/CodeGen/CBackend/2002-05-21-MissingReturn.ll b/test/CodeGen/CBackend/2002-05-21-MissingReturn.ll
index 2fd3e27..a5045b5 100644
--- a/test/CodeGen/CBackend/2002-05-21-MissingReturn.ll
+++ b/test/CodeGen/CBackend/2002-05-21-MissingReturn.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; This case was emitting code that looked like this:
 ; ...
 ;   llvm_BB1:       /* no statement here */
diff --git a/test/CodeGen/CBackend/2002-08-19-ConstPointerRef.ll b/test/CodeGen/CBackend/2002-08-19-ConstPointerRef.ll
index 8654baa..4b776cd 100644
--- a/test/CodeGen/CBackend/2002-08-19-ConstPointerRef.ll
+++ b/test/CodeGen/CBackend/2002-08-19-ConstPointerRef.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; Test const pointer refs & forward references
 
 %t3 = global int * %t1           ;; Forward reference
diff --git a/test/CodeGen/CBackend/2002-08-19-ConstantExpr.ll b/test/CodeGen/CBackend/2002-08-19-ConstantExpr.ll
index bbd34ec..813a347 100644
--- a/test/CodeGen/CBackend/2002-08-19-ConstantExpr.ll
+++ b/test/CodeGen/CBackend/2002-08-19-ConstantExpr.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 global int* cast (float* %0 to int*)   ;; Forward numeric reference
 global float* %0                       ;; Duplicate forward numeric reference
 global float 0.0
diff --git a/test/CodeGen/CBackend/2002-08-19-DataPointer.ll b/test/CodeGen/CBackend/2002-08-19-DataPointer.ll
index f7481ea..b76f1d2 100644
--- a/test/CodeGen/CBackend/2002-08-19-DataPointer.ll
+++ b/test/CodeGen/CBackend/2002-08-19-DataPointer.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %sptr1   = global [11x sbyte]* %somestr         ;; Forward ref to a constant
 %somestr = constant [11x sbyte] c"hello world"
 
diff --git a/test/CodeGen/CBackend/2002-08-19-FunctionPointer.ll b/test/CodeGen/CBackend/2002-08-19-FunctionPointer.ll
index ac28d93..c06d72d 100644
--- a/test/CodeGen/CBackend/2002-08-19-FunctionPointer.ll
+++ b/test/CodeGen/CBackend/2002-08-19-FunctionPointer.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %fptr = global void() * %f       ;; Forward ref method defn
 declare void "f"()               ;; External method
 
diff --git a/test/CodeGen/CBackend/2002-08-19-HardConstantExpr.ll b/test/CodeGen/CBackend/2002-08-19-HardConstantExpr.ll
index b0dca8e..f4f0a12 100644
--- a/test/CodeGen/CBackend/2002-08-19-HardConstantExpr.ll
+++ b/test/CodeGen/CBackend/2002-08-19-HardConstantExpr.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %array = constant [2 x int] [ int 12, int 52 ]          ; <[2 x int]*> [#uses=1]
 %arrayPtr = global int* getelementptr ([2 x int]* %array, long 0, long 0)               ; <int**> [#uses=1]
 
diff --git a/test/CodeGen/CBackend/2002-08-20-RecursiveTypes.ll b/test/CodeGen/CBackend/2002-08-20-RecursiveTypes.ll
index cb20180..1ae02d0 100644
--- a/test/CodeGen/CBackend/2002-08-20-RecursiveTypes.ll
+++ b/test/CodeGen/CBackend/2002-08-20-RecursiveTypes.ll
@@ -1,2 +1,4 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %MyIntList = uninitialized global { \2 *, int }
 
diff --git a/test/CodeGen/CBackend/2002-08-20-UnnamedArgument.ll b/test/CodeGen/CBackend/2002-08-20-UnnamedArgument.ll
index 842c2d7..46ac9b6 100644
--- a/test/CodeGen/CBackend/2002-08-20-UnnamedArgument.ll
+++ b/test/CodeGen/CBackend/2002-08-20-UnnamedArgument.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; The C Writer bombs on this testcase because it tries the print the prototype
 ; for the test function, which tries to print the argument name.  The function
 ; has not been incorporated into the slot calculator, so after it does the name
diff --git a/test/CodeGen/CBackend/2002-08-26-IndirectCallTest.ll b/test/CodeGen/CBackend/2002-08-26-IndirectCallTest.ll
index c8eeb59..9a76cfb 100644
--- a/test/CodeGen/CBackend/2002-08-26-IndirectCallTest.ll
+++ b/test/CodeGen/CBackend/2002-08-26-IndirectCallTest.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; Indirect function call test... found by Joel & Brian
 ;
 
diff --git a/test/CodeGen/CBackend/2002-08-30-StructureOrderingTest.ll b/test/CodeGen/CBackend/2002-08-30-StructureOrderingTest.ll
index 36b9f34..1419283 100644
--- a/test/CodeGen/CBackend/2002-08-30-StructureOrderingTest.ll
+++ b/test/CodeGen/CBackend/2002-08-30-StructureOrderingTest.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; This testcase fails because the C backend does not arrange to output the 
 ; contents of a structure type before it outputs the structure type itself.
 
diff --git a/test/CodeGen/CBackend/2002-09-20-ArrayTypeFailure.ll b/test/CodeGen/CBackend/2002-09-20-ArrayTypeFailure.ll
index 87eaadc..66514c6 100644
--- a/test/CodeGen/CBackend/2002-09-20-ArrayTypeFailure.ll
+++ b/test/CodeGen/CBackend/2002-09-20-ArrayTypeFailure.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 
 implementation
diff --git a/test/CodeGen/CBackend/2002-09-20-VarArgPrototypes.ll b/test/CodeGen/CBackend/2002-09-20-VarArgPrototypes.ll
index 6f318fa..934bee4 100644
--- a/test/CodeGen/CBackend/2002-09-20-VarArgPrototypes.ll
+++ b/test/CodeGen/CBackend/2002-09-20-VarArgPrototypes.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 declare void %foo(...)
 
diff --git a/test/CodeGen/CBackend/2002-10-15-OpaqueTypeProblem.ll b/test/CodeGen/CBackend/2002-10-15-OpaqueTypeProblem.ll
index 1cd65c2..4a82f27 100644
--- a/test/CodeGen/CBackend/2002-10-15-OpaqueTypeProblem.ll
+++ b/test/CodeGen/CBackend/2002-10-15-OpaqueTypeProblem.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 	%MPI_Comm = type %struct.Comm*
 	%struct.Comm = type opaque
 %thing = global %MPI_Comm* null		; <%MPI_Comm**> [#uses=0]
diff --git a/test/CodeGen/CBackend/2002-10-16-External.ll b/test/CodeGen/CBackend/2002-10-16-External.ll
index 3ad9089..edfc397 100644
--- a/test/CodeGen/CBackend/2002-10-16-External.ll
+++ b/test/CodeGen/CBackend/2002-10-16-External.ll
@@ -1,2 +1,4 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %bob = external global int              ; <int*> [#uses=2]
 
diff --git a/test/CodeGen/CBackend/2002-10-30-FunctionPointerAlloca.ll b/test/CodeGen/CBackend/2002-10-30-FunctionPointerAlloca.ll
index 2e21ee7..4e1ff83 100644
--- a/test/CodeGen/CBackend/2002-10-30-FunctionPointerAlloca.ll
+++ b/test/CodeGen/CBackend/2002-10-30-FunctionPointerAlloca.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 	%BitField = type int
         %tokenptr = type %BitField*
diff --git a/test/CodeGen/CBackend/2002-11-06-PrintEscaped.ll b/test/CodeGen/CBackend/2002-11-06-PrintEscaped.ll
index 9451212..3d26732 100644
--- a/test/CodeGen/CBackend/2002-11-06-PrintEscaped.ll
+++ b/test/CodeGen/CBackend/2002-11-06-PrintEscaped.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %testString = internal constant [18 x sbyte] c "Escaped newline\n\00"
 
 implementation
diff --git a/test/CodeGen/CBackend/2003-05-12-IntegerSizeWarning.ll b/test/CodeGen/CBackend/2003-05-12-IntegerSizeWarning.ll
index f709dfd..0f2fc1b 100644
--- a/test/CodeGen/CBackend/2003-05-12-IntegerSizeWarning.ll
+++ b/test/CodeGen/CBackend/2003-05-12-IntegerSizeWarning.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; Apparently this constant was unsigned in ISO C 90, but not in C 99.
 
 int %foo() {
diff --git a/test/CodeGen/CBackend/2003-05-13-VarArgFunction.ll b/test/CodeGen/CBackend/2003-05-13-VarArgFunction.ll
index 1b2c2b8..45638a0 100644
--- a/test/CodeGen/CBackend/2003-05-13-VarArgFunction.ll
+++ b/test/CodeGen/CBackend/2003-05-13-VarArgFunction.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; This testcase breaks the C backend, because gcc doesn't like (...) functions
 ; with no arguments at all.
 
diff --git a/test/CodeGen/CBackend/2003-05-31-MissingStructName.ll b/test/CodeGen/CBackend/2003-05-31-MissingStructName.ll
index 1eae406..6e86a2a 100644
--- a/test/CodeGen/CBackend/2003-05-31-MissingStructName.ll
+++ b/test/CodeGen/CBackend/2003-05-31-MissingStructName.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; The C backend was dying when there was no typename for a struct type!
 
 declare int %test(int,{ [32 x int] }*)
diff --git a/test/CodeGen/CBackend/2003-06-01-NullPointerType.ll b/test/CodeGen/CBackend/2003-06-01-NullPointerType.ll
index 3121923..5cd1c4c 100644
--- a/test/CodeGen/CBackend/2003-06-01-NullPointerType.ll
+++ b/test/CodeGen/CBackend/2003-06-01-NullPointerType.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 %X = type { int, float }
 
diff --git a/test/CodeGen/CBackend/2003-06-11-HexConstant.ll b/test/CodeGen/CBackend/2003-06-11-HexConstant.ll
index 31bbf88..4b5ddaa 100644
--- a/test/CodeGen/CBackend/2003-06-11-HexConstant.ll
+++ b/test/CodeGen/CBackend/2003-06-11-HexConstant.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; Make sure hex constant does not continue into a valid hexadecimal letter/number
 %version = global [3 x sbyte] c"\001\00"
 
diff --git a/test/CodeGen/CBackend/2003-06-11-LiteralStringProblem.ll b/test/CodeGen/CBackend/2003-06-11-LiteralStringProblem.ll
index 80d8aea..bd89ec5 100644
--- a/test/CodeGen/CBackend/2003-06-11-LiteralStringProblem.ll
+++ b/test/CodeGen/CBackend/2003-06-11-LiteralStringProblem.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 %version = global [3 x sbyte] c"1\00\00"
 
diff --git a/test/CodeGen/CBackend/2003-06-28-InvokeSupport.ll b/test/CodeGen/CBackend/2003-06-28-InvokeSupport.ll
index 65ccc5c..cc59035 100644
--- a/test/CodeGen/CBackend/2003-06-28-InvokeSupport.ll
+++ b/test/CodeGen/CBackend/2003-06-28-InvokeSupport.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 declare int %callee(int, int)
 
diff --git a/test/CodeGen/CBackend/2003-10-12-NANGlobalInits.ll b/test/CodeGen/CBackend/2003-10-12-NANGlobalInits.ll
index 184ffb4..2adddda 100644
--- a/test/CodeGen/CBackend/2003-10-12-NANGlobalInits.ll
+++ b/test/CodeGen/CBackend/2003-10-12-NANGlobalInits.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; This is a non-normal FP value: it's a nan.
 %NAN = global { float } { float 0x7FF8000000000000 } 
 %NANs = global { float } { float 0x7FF4000000000000 } 
diff --git a/test/CodeGen/CBackend/2003-10-23-UnusedType.ll b/test/CodeGen/CBackend/2003-10-23-UnusedType.ll
index 36d8073..bb9f4b7 100644
--- a/test/CodeGen/CBackend/2003-10-23-UnusedType.ll
+++ b/test/CodeGen/CBackend/2003-10-23-UnusedType.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 %A = type { uint, sbyte*, { uint, uint, uint, uint, uint, uint, uint, uint }*, ushort }
 
diff --git a/test/CodeGen/CBackend/2003-10-23-ZeroArgVarargs.ll b/test/CodeGen/CBackend/2003-10-23-ZeroArgVarargs.ll
index 4ba9741..0f010a2 100644
--- a/test/CodeGen/CBackend/2003-10-23-ZeroArgVarargs.ll
+++ b/test/CodeGen/CBackend/2003-10-23-ZeroArgVarargs.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 
 declare sbyte* %llvm.va_start()
 declare void %llvm.va_end(sbyte*)
diff --git a/test/CodeGen/CBackend/2003-10-28-CastToPtrToStruct.ll b/test/CodeGen/CBackend/2003-10-28-CastToPtrToStruct.ll
index f3a5775..ae0679e 100644
--- a/test/CodeGen/CBackend/2003-10-28-CastToPtrToStruct.ll
+++ b/test/CodeGen/CBackend/2003-10-28-CastToPtrToStruct.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 ; reduced from DOOM.
 %union._XEvent = type { int }
 %.X_event_9 = global %union._XEvent zeroinitializer
diff --git a/test/CodeGen/CBackend/2003-11-21-ConstantShiftExpr.ll b/test/CodeGen/CBackend/2003-11-21-ConstantShiftExpr.ll
index 5bd088d..32358a4 100644
--- a/test/CodeGen/CBackend/2003-11-21-ConstantShiftExpr.ll
+++ b/test/CodeGen/CBackend/2003-11-21-ConstantShiftExpr.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %y = weak global sbyte 0
 implementation
 uint %testcaseshr() {
diff --git a/test/CodeGen/CBackend/2004-08-09-va-end-null.ll b/test/CodeGen/CBackend/2004-08-09-va-end-null.ll
index 7828de3..f15fa86 100644
--- a/test/CodeGen/CBackend/2004-08-09-va-end-null.ll
+++ b/test/CodeGen/CBackend/2004-08-09-va-end-null.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc -march=c
+
 declare void %llvm.va_end(sbyte*)
 
 void %test() {
diff --git a/test/CodeGen/Generic/call-ret0.ll b/test/CodeGen/Generic/call-ret0.ll
index 205b0be..79edc1e 100644
--- a/test/CodeGen/Generic/call-ret0.ll
+++ b/test/CodeGen/Generic/call-ret0.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 int %foo(int %x) {
   ret int %x
 }
diff --git a/test/CodeGen/Generic/call-ret42.ll b/test/CodeGen/Generic/call-ret42.ll
index 3501288..2e8ed38 100644
--- a/test/CodeGen/Generic/call-ret42.ll
+++ b/test/CodeGen/Generic/call-ret42.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 int %foo(int %x) {
   ret int 42
 }
diff --git a/test/CodeGen/Generic/call-void.ll b/test/CodeGen/Generic/call-void.ll
index b23a8d9..1263b98 100644
--- a/test/CodeGen/Generic/call-void.ll
+++ b/test/CodeGen/Generic/call-void.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 void %foo() {
   ret void
 }
diff --git a/test/CodeGen/Generic/call2-ret0.ll b/test/CodeGen/Generic/call2-ret0.ll
index 6159e40..a0bde8d 100644
--- a/test/CodeGen/Generic/call2-ret0.ll
+++ b/test/CodeGen/Generic/call2-ret0.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 int %bar(int %x) {
   ret int 0
 }
diff --git a/test/CodeGen/Generic/cast-fp.ll b/test/CodeGen/Generic/cast-fp.ll
index 9205fc9..1b80385 100644
--- a/test/CodeGen/Generic/cast-fp.ll
+++ b/test/CodeGen/Generic/cast-fp.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %a_fstr = internal constant [8 x sbyte] c"a = %f\0A\00"
 %a_lstr = internal constant [10 x sbyte] c"a = %lld\0A\00"
 %a_dstr = internal constant [8 x sbyte] c"a = %d\0A\00"
diff --git a/test/CodeGen/Generic/global-ret0.ll b/test/CodeGen/Generic/global-ret0.ll
index f013937..993049d 100644
--- a/test/CodeGen/Generic/global-ret0.ll
+++ b/test/CodeGen/Generic/global-ret0.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %g = global int 0
 
 int %main() {  
diff --git a/test/CodeGen/Generic/hello.ll b/test/CodeGen/Generic/hello.ll
index 3acde34..e68d588 100644
--- a/test/CodeGen/Generic/hello.ll
+++ b/test/CodeGen/Generic/hello.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %.str_1 = internal constant [7 x sbyte] c"hello\0A\00"
 
 declare int %printf(sbyte*, ...)
diff --git a/test/CodeGen/Generic/print-add.ll b/test/CodeGen/Generic/print-add.ll
index 0e998f4..6e5c3c4 100644
--- a/test/CodeGen/Generic/print-add.ll
+++ b/test/CodeGen/Generic/print-add.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %.str_1 = internal constant [4 x sbyte] c"%d\0A\00"
 
 declare int %printf(sbyte*, ...)
diff --git a/test/CodeGen/Generic/print-arith-fp.ll b/test/CodeGen/Generic/print-arith-fp.ll
index da3c558..446dbea 100644
--- a/test/CodeGen/Generic/print-arith-fp.ll
+++ b/test/CodeGen/Generic/print-arith-fp.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %a_str = internal constant [8 x sbyte] c"a = %f\0A\00"
 %b_str = internal constant [8 x sbyte] c"b = %f\0A\00"
 ;; binary ops: arith
diff --git a/test/CodeGen/Generic/print-arith-int.ll b/test/CodeGen/Generic/print-arith-int.ll
index d767190e..b678503 100644
--- a/test/CodeGen/Generic/print-arith-int.ll
+++ b/test/CodeGen/Generic/print-arith-int.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
 %b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
 ;; binary ops: arith
diff --git a/test/CodeGen/Generic/print-int.ll b/test/CodeGen/Generic/print-int.ll
index ee7d3d1..cd3e2b2 100644
--- a/test/CodeGen/Generic/print-int.ll
+++ b/test/CodeGen/Generic/print-int.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %.str_1 = internal constant [4 x sbyte] c"%d\0A\00"
 
 declare int %printf(sbyte*, ...)
diff --git a/test/CodeGen/Generic/print-mul-exp.ll b/test/CodeGen/Generic/print-mul-exp.ll
index ea2882f..0a8fd78 100644
--- a/test/CodeGen/Generic/print-mul-exp.ll
+++ b/test/CodeGen/Generic/print-mul-exp.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
 %a_mul_str = internal constant [13 x sbyte] c"a * %d = %d\0A\00"
 %A = global int 2
diff --git a/test/CodeGen/Generic/print-mul.ll b/test/CodeGen/Generic/print-mul.ll
index e406545..80d2d51 100644
--- a/test/CodeGen/Generic/print-mul.ll
+++ b/test/CodeGen/Generic/print-mul.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
 %b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
 
diff --git a/test/CodeGen/Generic/print-shift.ll b/test/CodeGen/Generic/print-shift.ll
index 71bbbd1..8ce3bac 100644
--- a/test/CodeGen/Generic/print-shift.ll
+++ b/test/CodeGen/Generic/print-shift.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 %a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
 %b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
 
diff --git a/test/CodeGen/Generic/ret0.ll b/test/CodeGen/Generic/ret0.ll
index fc70863..439a2f3 100644
--- a/test/CodeGen/Generic/ret0.ll
+++ b/test/CodeGen/Generic/ret0.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 int %main() {  
   ret int 0
 }
diff --git a/test/CodeGen/Generic/ret42.ll b/test/CodeGen/Generic/ret42.ll
index 62890e4..ac14231 100644
--- a/test/CodeGen/Generic/ret42.ll
+++ b/test/CodeGen/Generic/ret42.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s | llc
+
 int %main() {  
   ret int 42
 }