clang/test/CodeGen/union-align.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | not grep "align 4"
   2 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | grep "align 16"
   3 // PR3432
   4
   5 typedef float __m128 __attribute__ ((__vector_size__ (16)));
   6
   7 typedef union
   8 {
   9   int i[4];
  10   float f[4];
  11   __m128 v;
  12 } u_t;
  13
  14 __m128 t(u_t *a) {
  15   return a->v;
  16 }