llvm/clang/test/CodeGen/2007-04-11-InlineAsmStruct.c

// RUN: %clang_cc1 %s -emit-llvm -o -

struct V { short X, Y; };
int bar(void) {
  struct V bar;
  __asm__ volatile("foo %0\n" : "=r"(bar));
  return bar.X;
}