clang/test/Sema/builtin-cpu-supports.c

   1 // RUN: %clang_cc1 -fsyntax-only -triple x86_64-pc-linux-gnu -verify %s
   2 // RUN: %clang_cc1 -fsyntax-only -triple aarch64-linux-gnu -verify %s
   3 // RUN: %clang_cc1 -fsyntax-only -triple riscv32-linux-gnu -verify %s
   4 // RUN: %clang_cc1 -fsyntax-only -triple riscv64-linux-gnu -verify %s
   5 // RUN: %clang_cc1 -fsyntax-only -triple powerpc64le-unknown-linux -verify %s
   6 // RUN: %clang_cc1 -fsyntax-only -triple powerpc64-unknown-aix7.2.0.0 -verify %s
   7 // RUN: %clang_cc1 -fsyntax-only -triple powerpc-unknown-aix7.2.0.0 -verify %s
   8
   9 extern void a(const char *);
  10
  11 extern const char *str;
  12
  13 int main(void) {
  14 #ifdef __x86_64__
  15   if (__builtin_cpu_supports("ss")) // expected-warning {{invalid cpu feature string}}
  16     a("sse4.2");
  17
  18   if (__builtin_cpu_supports(str)) // expected-error {{expression is not a string literal}}
  19     a(str);
  20
  21   if (__builtin_cpu_is("int")) // expected-error {{invalid cpu name for builtin}}
  22     a("intel");
  23
  24   (void)__builtin_cpu_is("x86-64");    // expected-error {{invalid cpu name for builtin}}
  25   (void)__builtin_cpu_is("x86-64-v2"); // expected-error {{invalid cpu name for builtin}}
  26   (void)__builtin_cpu_is("x86-64-v3"); // expected-error {{invalid cpu name for builtin}}
  27   (void)__builtin_cpu_is("x86-64-v4"); // expected-error {{invalid cpu name for builtin}}
  28
  29   (void)__builtin_cpu_supports("x86-64");
  30   (void)__builtin_cpu_supports("x86-64-v2");
  31   (void)__builtin_cpu_supports("x86-64-v3");
  32   (void)__builtin_cpu_supports("x86-64-v4");
  33   (void)__builtin_cpu_supports("x86-64-v5"); // expected-warning {{invalid cpu feature string for builtin}}
  34 #endif
  35
  36 #ifdef __aarch64__
  37   if (__builtin_cpu_supports("neon")) // expected-warning {{invalid cpu feature string for builtin}}
  38     a("vsx");
  39
  40   if (__builtin_cpu_is("cortex-x3")) // expected-error {{builtin is not supported on this target}}
  41     a("pwr9");
  42
  43   __builtin_cpu_init(); // expected-error {{builtin is not supported on this target}}
  44 #endif
  45
  46 #ifdef __riscv
  47   if (__builtin_cpu_supports("garbage")) // expected-warning {{invalid cpu feature string for builtin}}
  48     a("vsx");
  49 #endif
  50
  51 #ifdef __powerpc__
  52   if (__builtin_cpu_is("garbage")) // expected-error {{invalid cpu name for builtin}}
  53     a("vsx");
  54
  55   if (__builtin_cpu_is("power3")) // expected-error {{invalid cpu name for builtin}}
  56     a("vsx");
  57
  58   if (__builtin_cpu_supports("garbage")) // expected-warning {{invalid cpu feature string for builtin}}
  59     a("vsx");
  60 #endif
  61
  62   return 0;
  63 }