clang/test/CodeGen/SystemZ/vec-abi-gnuattr-14.c

   1 // RUN: %clang_cc1 -triple s390x-ibm-linux -emit-llvm -fzvector -o - %s 2>&1 \
   2 // RUN:   | FileCheck  %s
   3 //
   4 // Test the emission of the "s390x-visible-vector-ABI" module flag.
   5
   6 // Use of va_arg with a vector type exposes the vector ABI.
   7
   8 #include <stdarg.h>
   9
  10 static int bar(va_list vl) {
  11   return va_arg(vl, vector int)[0];
  12 }
  13
  14 int foo(va_list vl) {
  15   return bar(vl);
  16 }
  17
  18 //CHECK: !llvm.module.flags = !{!0, !1}
  19 //CHECK: !0 = !{i32 2, !"s390x-visible-vector-ABI", i32 1}
  20