clang/test/CodeGen/vector.c

// RUN: %clang_cc1 -ffreestanding -triple i386-apple-darwin9 -O1 -target-cpu corei7 -debug-info-kind=limited -emit-llvm %s -o - | FileCheck %s
typedef short __v4hi __attribute__ ((__vector_size__ (8)));

void test1(void) {
  __v4hi A = (__v4hi)0LL;
}

__v4hi x = {1,2,3};
__v4hi y = {1,2,3,4};

typedef int vty __attribute((vector_size(16)));
int test2(void) { vty b; return b[2LL]; }

// PR4339
typedef float vec4 __attribute__((vector_size(16)));

void test3 ( vec4* a, char b, float c ) {
  (*a)[b] = c;
}




#include <mmintrin.h>

int test4(int argc, char *argv[]) {
  int array[16] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 };
  __m64 *p = (__m64 *)array;

  __m64 accum = _mm_setzero_si64();

  for (int i=0; i<8; ++i)
     accum = _mm_add_pi32(p[i], accum);

  __m64 accum2 = _mm_unpackhi_pi32(accum, accum);
  accum = _mm_add_pi32(accum, accum2);

  int result = _mm_cvtsi64_si32(accum);
  _mm_empty();

  return result;
}

#include <smmintrin.h>

unsigned long test_epi8(__m128i x) { return _mm_extract_epi8(x, 4); }
// CHECK: @test_epi8
// CHECK: extractelement <16 x i8> {{.*}}, {{i32|i64}} 4
// CHECK: zext i8 {{.*}} to i32

unsigned long test_epi16(__m128i x) { return _mm_extract_epi16(x, 3); }

// CHECK: @test_epi16
// CHECK: extractelement <8 x i16> {{.*}}, {{i32|i64}} 3
// CHECK: zext i16 {{.*}} to i32

void extractinttypes(void) {
  extern int check_extract_result_int;
  extern __typeof(_mm_extract_epi8(_mm_setzero_si128(), 3)) check_result_int;
  extern __typeof(_mm_extract_epi16(_mm_setzero_si128(), 3)) check_result_int;
  extern __typeof(_mm_extract_epi32(_mm_setzero_si128(), 3)) check_result_int;
}

// Test some logic around our lax vector comparison rules with integers.

typedef int vec_int1 __attribute__((vector_size(4)));
vec_int1 lax_vector_compare1(int x, vec_int1 y) {
  y = x == y;
  return y;
}

// CHECK: define{{.*}} i32 @lax_vector_compare1(i32 {{.*}}, i32 {{.*}})
// CHECK: icmp eq i32

typedef int vec_int2 __attribute__((vector_size(8)));
vec_int2 lax_vector_compare2(long long x, vec_int2 y) {
  y = x == y;
  return y;
}

// CHECK: define{{.*}} void @lax_vector_compare2(ptr {{.*sret.*}}, i64 {{.*}}, i64 {{.*}})
// CHECK: icmp eq <2 x i32>