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      1 // RUN: %clang_cc1 -triple i386-pc-win32 -target-cpu pentium4 \
      2 // RUN:     -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
      3 // RUN:     -ffreestanding -fsyntax-only -Werror \
      4 // RUN:     -isystem %S/Inputs/include %s
      5 
      6 // RUN: %clang_cc1 -triple i386-pc-win32 -target-cpu broadwell \
      7 // RUN:     -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
      8 // RUN:     -ffreestanding -emit-obj -o /dev/null -Werror \
      9 // RUN:     -isystem %S/Inputs/include %s
     10 
     11 // RUN: %clang_cc1 -triple x86_64-pc-win32  \
     12 // RUN:     -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
     13 // RUN:     -ffreestanding -emit-obj -o /dev/null -Werror \
     14 // RUN:     -isystem %S/Inputs/include %s
     15 
     16 // RUN: %clang_cc1 -triple thumbv7--windows \
     17 // RUN:     -fms-compatibility -fms-compatibility-version=17.00 \
     18 // RUN:     -ffreestanding -fsyntax-only -Werror \
     19 // RUN:     -isystem %S/Inputs/include %s
     20 
     21 // REQUIRES: x86-registered-target
     22 
     23 // intrin.h needs size_t, but -ffreestanding prevents us from getting it from
     24 // stddef.h.  Work around it with this typedef.
     25 typedef __SIZE_TYPE__ size_t;
     26 
     27 #include <intrin.h>
     28 
     29 // Use some C++ to make sure we closed the extern "C" brackets.
     30 template <typename T>
     31 void foo(T V) {}
     32 
     33 // __asm__ blocks are only checked for inline functions that end up being
     34 // emitted, so call functions with __asm__ blocks to make sure their inline
     35 // assembly parses.
     36 void f() {
     37   __movsb(0, 0, 0);
     38   __movsd(0, 0, 0);
     39   __movsw(0, 0, 0);
     40 
     41   __stosb(0, 0, 0);
     42   __stosd(0, 0, 0);
     43   __stosw(0, 0, 0);
     44 
     45 #ifdef _M_X64
     46   __movsq(0, 0, 0);
     47   __stosq(0, 0, 0);
     48 #endif
     49 
     50   int info[4];
     51   __cpuid(info, 0);
     52   __cpuidex(info, 0, 0);
     53   _xgetbv(0);
     54   __halt();
     55   __readmsr(0);
     56 
     57   // FIXME: Call these in 64-bit too once the intrinsics have been fixed to
     58   // work there, PR19301
     59 #ifndef _M_X64
     60   __readcr3();
     61   __writecr3(0);
     62 #endif
     63 }
     64