test/CodeGen/arm-asm-warn.c


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// REQUIRES: arm-registered-target
// RUN: %clang_cc1 -triple armv7 %s -emit-llvm -o /dev/null
// <rdar://problem/12284092>

typedef __attribute__((neon_vector_type(2))) long long int64x2_t;
typedef struct int64x2x4_t {
  int64x2_t val[4];
} int64x2x4_t;
int64x2x4_t t2(const long long a[]) {
  int64x2x4_t r;
  __asm__("vldm %[a], { %q[r0], %q[r1], %q[r2], %q[r3] }"
          : [r0] "=r"(r.val[0]), // expected-warning {{the size being stored is truncated, use a modifier to specify the size}}
            [r1] "=r"(r.val[1]), // expected-warning {{the size being stored is truncated, use a modifier to specify the size}}
            [r2] "=r"(r.val[2]), // expected-warning {{the size being stored is truncated, use a modifier to specify the size}}
            [r3] "=r"(r.val[3])  // expected-warning {{the size being stored is truncated, use a modifier to specify the size}}
          : [a] "r"(a));
  return r;
}