File: union-align.c

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flang 20181226-2
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | not grep "align 4"
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | grep "align 16"
// PR3432
// rdar://6536377

typedef float __m128 __attribute__ ((__vector_size__ (16)));

typedef union
{
  int i[4];
  float f[4];
  __m128 v;
} u_t;

__m128 t(u_t *a) {
  return a->v;
}