It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Integer/testvarargs_bt.ll b/test/Integer/testvarargs_bt.ll
new file mode 100644
index 0000000..a645c84
--- /dev/null
+++ b/test/Integer/testvarargs_bt.ll
@@ -0,0 +1,14 @@
+; 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
+
+
+declare i31 @"printf"(i8*, ...)   ;; Prototype for: i32 __builtin_printf(const char*, ...)
+
+define i31 @"testvarar"()
+begin
+	call i31(i8*, ...) *@printf(i8 * null, i31 12, i8 42);
+	ret i31 %1
+end
+
+