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/CodeGen/CBackend/2003-05-13-VarArgFunction.ll b/test/CodeGen/CBackend/2003-05-13-VarArgFunction.ll
new file mode 100644
index 0000000..1e08b2d
--- /dev/null
+++ b/test/CodeGen/CBackend/2003-05-13-VarArgFunction.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=c
+
+; This testcase breaks the C backend, because gcc doesn't like (...) functions
+; with no arguments at all.
+
+void %test(long %Ptr) {
+ %P = cast long %Ptr to void(...) *
+ call void(...)* %P(long %Ptr)
+ ret void
+}