clang/test/CodeGen/2010-08-12-asm-aggr-arg.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
   2 // A small aggregate can be passed as an integer. Make sure we don't get an
   3 // error with "input constraint with a matching output constraint of
   4 // incompatible type!"
   5
   6 struct wrapper {
   7   int i;
   8 };
   9
  10 // CHECK: xyz
  11 int test(int i) {
  12   struct wrapper w;
  13   w.i = i;
  14   __asm__("xyz" : "=r" (w) : "0" (w));
  15   return w.i;
  16 }