Fix a bug in the RUN line

[oota-llvm.git] / test / Feature / varargs.ll

diff --git a/test/Feature/varargs.ll b/test/Feature/varargs.ll
index 13f3581fe3e1766809b45394944b739943a4f3c5..d75a49d8edf4499250596793eff4adae89b6877a 100644 (file)
--- a/test/Feature/varargs.ll
+++ b/test/Feature/varargs.ll
@@ -1,9 +1,23 @@
+; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
 
+; Demonstrate all of the variable argument handling intrinsic functions plus 
+; the va_arg instruction.
 
+implementation
+declare sbyte* %llvm.va_start()
+declare sbyte* %llvm.va_copy(sbyte*)
+declare void %llvm.va_end(sbyte*)
 
 int %test(int %X, ...) {
-       %ap = alloca sbyte*
-       ; This is not a legal testcase, it just shows the syntax for va_arg
-       %tmp = va_arg sbyte** %ap, int 
+       %ap = call sbyte* %llvm.va_start()
+       %aq = call sbyte* %llvm.va_copy(sbyte* %ap)
+       call void %llvm.va_end(sbyte* %aq)
+       
+       %tmp = vaarg sbyte* %ap, int 
+       %ap2 = vanext sbyte* %ap, int
+
+       call void %llvm.va_end(sbyte* %ap2)
        ret int %tmp
 }