test/CodeGen/palignr.c

   1 // RUN: %clang_cc1 %s -triple=i686-apple-darwin -target-feature +ssse3 -O1 -S -o - | FileCheck %s
   2
   3 #define _mm_alignr_epi8(a, b, n) (__builtin_ia32_palignr128((a), (b), (n)))
   4 typedef __attribute__((vector_size(16))) int int4;
   5
   6 // CHECK: palignr
   7 int4 align1(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 15); }
   8 // CHECK: ret
   9 // CHECK: ret
  10 // CHECK-NOT: palignr
  11 int4 align2(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 16); }
  12 // CHECK: psrldq
  13 int4 align3(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 17); }
  14 // CHECK: xor
  15 int4 align4(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 32); }
  16
  17 #define _mm_alignr_pi8(a, b, n) (__builtin_ia32_palignr((a), (b), (n)))
  18 typedef __attribute__((vector_size(8))) int int2;
  19
  20 // CHECK: palignr
  21 int2 align5(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 8); }
  22
  23 // CHECK: palignr
  24 int2 align6(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 9); }
  25
  26 // CHECK: palignr
  27 int2 align7(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 16); }
  28
  29 // CHECK: palignr
  30 int2 align8(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 7); }