clang/test/Headers/__cpuidex_conflict.c

   1 // Make sure that __cpuidex in cpuid.h doesn't conflict with the MS
   2 // extensions built in by ensuring compilation succeeds:
   3 // RUN: %clang_cc1 %s -ffreestanding -fms-extensions -fms-compatibility \
   4 // RUN:  -fms-compatibility-version=19.00 -triple x86_64-pc-windows-msvc -emit-llvm -o -
   5 // %clang_cc1 %s -ffreestanding -triple x86_64-w64-windows-gnu -fms-extensions -emit-llvm -o -
   6 // RUN: %clang_cc1 %s -ffreestanding -fopenmp -fopenmp-is-target-device -aux-triple x86_64-unknown-linux-gnu
   7
   8 typedef __SIZE_TYPE__ size_t;
   9
  10 // We declare __cpuidex here as where the buitlin should be exposed (MSVC), the
  11 // declaration is in <intrin.h>, but <intrin.h> is not available from all the
  12 // targets that are being tested here.
  13 void __cpuidex (int[4], int, int);
  14
  15 #include <cpuid.h>
  16
  17 int cpuid_info[4];
  18
  19 void test_cpuidex(unsigned level, unsigned count) {
  20   __cpuidex(cpuid_info, level, count);
  21 }
  22