clang/test/CodeGen/AArch64/targetattr-arch.c

   1 // RUN: %clang_cc1 -triple aarch64 -target-feature +v8a -verify -DHAS8 -S %s -o -
   2 // RUN: %clang_cc1 -triple aarch64 -target-feature +v8.1a -verify -DHAS81 -S %s -o -
   3 // RUN: %clang_cc1 -triple aarch64 -target-feature +v9a -verify -DHAS9 -S %s -o -
   4 // REQUIRES: aarch64-registered-target
   5
   6 #ifdef HAS9
   7 // expected-no-diagnostics
   8 #endif
   9
  10 #include <arm_acle.h>
  11 #include <arm_fp16.h>
  12 #include <arm_sve.h>
  13
  14 __attribute__((target("arch=armv8.1-a")))
  15 int test_crc_attr()
  16 {
  17   return __crc32cd(1, 1);
  18 }
  19
  20 __attribute__((target("arch=armv9-a")))
  21 svint8_t test_svadd_attr(svbool_t pg, svint8_t op1, svint8_t op2)
  22 {
  23   return svadd_s8_z(pg, op1, op2);
  24 }
  25
  26 __attribute__((target("arch=armv9-a")))
  27 float16_t test_fp16_on_v9(float16_t x, float16_t y)
  28 {
  29   return vabdh_f16(x, y);
  30 }
  31
  32 void test_error1()
  33 {
  34 #ifdef HAS8
  35 // expected-error@+2{{always_inline function '__crc32cd' requires target feature 'crc'}}
  36 #endif
  37   __crc32cd(1, 1);
  38 }
  39
  40 void test_error2()
  41 {
  42 #if defined(HAS8) || defined(HAS81)
  43 // expected-error@+2{{SVE vector type 'svint8_t' (aka '__SVInt8_t') cannot be used in a target without sve}}
  44 #endif
  45   svundef_s8();
  46 }