clang/test/CodeGen/vector-alignment.c

   1 // RUN: %clang_cc1 -w -triple x86_64-apple-darwin10 \
   2 // RUN:  -emit-llvm -o - %s | FileCheck %s --check-prefix=ALL --check-prefix=SSE
   3 // RUN: %clang_cc1 -w -triple   i386-apple-darwin10 \
   4 // RUN:  -emit-llvm -o - %s | FileCheck %s --check-prefix=ALL --check-prefix=SSE
   5 // RUN: %clang_cc1 -w -triple x86_64-apple-darwin10 -target-feature +avx \
   6 // RUN:  -emit-llvm -o - %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX
   7 // RUN: %clang_cc1 -w -triple   i386-apple-darwin10 -target-feature +avx \
   8 // RUN:  -emit-llvm -o - %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX
   9 // RUN: %clang_cc1 -w -triple x86_64-apple-darwin10 -target-feature +avx512f \
  10 // RUN:  -emit-llvm -o - %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX512
  11 // RUN: %clang_cc1 -w -triple   i386-apple-darwin10 -target-feature +avx512f \
  12 // RUN:  -emit-llvm -o - %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX512
  13
  14 // At or below target max alignment with no aligned attribute should align based
  15 // on the size of vector.
  16 double __attribute__((vector_size(16))) v1;
  17 // SSE: @v1 {{.*}}, align 16
  18 // AVX: @v1 {{.*}}, align 16
  19 // AVX512: @v1 {{.*}}, align 16
  20 double __attribute__((vector_size(32))) v2;
  21 // SSE: @v2 {{.*}}, align 16
  22 // AVX: @v2 {{.*}}, align 32
  23 // AVX512: @v2 {{.*}}, align 32
  24 typedef __attribute__((__ext_vector_type__(16))) _Bool v2b_type;
  25 v2b_type v2b;
  26 // ALL: @v2b {{.*}}, align 2
  27
  28 // Alignment above target max alignment with no aligned attribute should align
  29 // based on the target max.
  30 double __attribute__((vector_size(64))) v3;
  31 // SSE: @v3 {{.*}}, align 16
  32 // AVX: @v3 {{.*}}, align 32
  33 // AVX512: @v3 {{.*}}, align 64
  34 double __attribute__((vector_size(1024))) v4;
  35 // SSE: @v4 {{.*}}, align 16
  36 // AVX: @v4 {{.*}}, align 32
  37 // AVX512: @v4 {{.*}}, align 64
  38 typedef __attribute__((__ext_vector_type__(8192))) _Bool v4b_type;
  39 v4b_type v4b;
  40 // SSE: @v4b {{.*}}, align 16
  41 // AVX: @v4b {{.*}}, align 32
  42 // AVX512: @v4b {{.*}}, align 64
  43
  44 // Aliged attribute should always override.
  45 double __attribute__((vector_size(16), aligned(16))) v5;
  46 // ALL: @v5 {{.*}}, align 16
  47 double __attribute__((vector_size(16), aligned(64))) v6;
  48 // ALL: @v6 {{.*}}, align 64
  49 double __attribute__((vector_size(32), aligned(16))) v7;
  50 // ALL: @v7 {{.*}}, align 16
  51 double __attribute__((vector_size(32), aligned(64))) v8;
  52 // ALL: @v8 {{.*}}, align 64
  53 typedef __attribute__((ext_vector_type(256), aligned(128))) _Bool v8b_type;
  54 v8b_type v8b;
  55 // ALL: @v8b {{.*}}, align 128
  56
  57 // Check non-power of 2 widths.
  58 double __attribute__((vector_size(24))) v9;
  59 // SSE: @v9 {{.*}}, align 16
  60 // AVX: @v9 {{.*}}, align 32
  61 // AVX512: @v9 {{.*}}, align 32
  62 double __attribute__((vector_size(40))) v10;
  63 // SSE: @v10 {{.*}}, align 16
  64 // AVX: @v10 {{.*}}, align 32
  65 // AVX512: @v10 {{.*}}, align 64
  66 typedef __attribute__((ext_vector_type(248))) _Bool v10b_type;
  67 v10b_type v10b;
  68 // SSE: @v10b {{.*}}, align 16
  69 // AVX: @v10b {{.*}}, align 32
  70 // AVX512: @v10b {{.*}}, align 32
  71
  72 // Check non-power of 2 widths with aligned attribute.
  73 double __attribute__((vector_size(24), aligned(64))) v11;
  74 // ALL: @v11 {{.*}}, align 64
  75 double __attribute__((vector_size(80), aligned(16))) v12;
  76 // ALL: @v12 {{.*}}, align 16
  77 typedef __attribute__((ext_vector_type(248), aligned(4))) _Bool v12b_type;
  78 v12b_type v12b;
  79 // ALL: @v12b {{.*}}, align 4