1 // RUN: %clang_cc1 %s -ffreestanding -triple x86_64-apple-macosx10.9.0 -emit-llvm -o - | FileCheck %s
2 //
3 // RUN: rm -rf %t
4 // RUN: %clang_cc1 %s -ffreestanding -triple x86_64-apple-macosx10.9.0 -emit-llvm -o - \
5 // RUN:     -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -isystem %S/Inputs/include \
6 // RUN:     | FileCheck %s
7 // REQUIRES: x86-registered-target
8 #include <xmmintrin.h>
9 
10 // CHECK: @c = common global i8 0, align 16
11 _MM_ALIGN16 char c;
12 
13 // Make sure the last step of _mm_cvtps_pi16 converts <4 x i32> to <4 x i16> by
14 // checking that clang emits PACKSSDW instead of PACKSSWB.
15 
16 // CHECK: define i64 @test_mm_cvtps_pi16
17 // CHECK: call x86_mmx @llvm.x86.mmx.packssdw
18 
test_mm_cvtps_pi16(__m128 a)19 __m64 test_mm_cvtps_pi16(__m128 a) {
20   return _mm_cvtps_pi16(a);
21 }
22 
23 // Make sure that including <xmmintrin.h> also makes <emmintrin.h>'s content available.
24 // This is an ugly hack for GCC compatibility.
test_xmmintrin_provides_emmintrin(__m128d __a,__m128d __b)25 __m128 test_xmmintrin_provides_emmintrin(__m128d __a, __m128d __b) {
26   return _mm_add_sd(__a, __b);
27 }
28 
29 #if __STDC_HOSTED__
30 // Make sure stdlib.h symbols are accessible.
31 void *p = NULL;
32 #endif
33