test/CFrontend/2007-04-11-InlineAsmStruct.c

// RUN: %llvmgcc %s -S -emit-llvm -o - | llvm-as | llc

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