clang/test/CodeGen/SystemZ/vec-abi-gnuattr-13.c

   1 // RUN: %clang_cc1 -triple s390x-ibm-linux -emit-llvm -fzvector -o - %s \
   2 // RUN:   -Wno-undefined-internal 2>&1 | FileCheck  %s
   3 //
   4 // Test the emission of the "s390x-visible-vector-ABI" module flag.
   5
   6 // Passing vector argument to varargs function between static functions. This
   7 // also potentially exposes the vector ABI as the va_list may be passed on to
   8 // another (global) function.
   9
  10 typedef __attribute__((vector_size(16))) int v4i32;
  11
  12 static int bar(int N, ...);
  13
  14 static void foo() {
  15   v4i32 Var = {0, 0, 0, 0};
  16   bar(0, Var);
  17 }
  18
  19 void fun() { foo(); }
  20
  21 //CHECK: !llvm.module.flags = !{!0, !1}
  22 //CHECK: !0 = !{i32 2, !"s390x-visible-vector-ABI", i32 1}