clang/test/CodeGenCXX/x86_64-arguments-avx.cpp

   1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-feature +avx | FileCheck %s
   2
   3 namespace test1 {
   4 typedef double __m256d __attribute__((__vector_size__(32)));
   5
   6 class PR22753 {
   7 public:
   8   __m256d data;
   9 };
  10
  11 // CHECK: define{{.*}} <4 x double> @_ZN5test14testENS_7PR22753E(<4 x double>
  12 PR22753 test(PR22753 x) {
  13   return x;
  14 }
  15 }
  16
  17 namespace test2 {
  18 typedef double __m128d __attribute__((__vector_size__(16)));
  19 typedef float __m128 __attribute__((__vector_size__(16)));
  20 typedef double __m256d __attribute__((__vector_size__(32)));
  21 typedef float __m256 __attribute__((__vector_size__(32)));
  22
  23 union U1 {
  24   __m128  v1;
  25   __m128d v2;
  26 };
  27
  28 union UU1 {
  29   union U1;
  30   __m128d v3;
  31 };
  32
  33 // CHECK: define{{.*}} <2 x double> @_ZN5test27PR23082ENS_3UU1E(<2 x double>
  34 UU1 PR23082(UU1 x) {
  35   return x;
  36 }
  37
  38 union U2 {
  39   __m256  v1;
  40   __m256d v2;
  41 };
  42
  43 union UU2 {
  44   union U2;
  45   __m256d v3;
  46 };
  47
  48 // CHECK: define{{.*}} <4 x double> @_ZN5test27PR23082ENS_3UU2E(<4 x double>
  49 UU2 PR23082(UU2 x) {
  50   return x;
  51 }
  52 }
  53
  54 namespace test3 {
  55 union U {
  56   __attribute__((__vector_size__(32))) float f1;
  57   int f2;
  58 };
  59 // CHECK: define{{.*}} i32 @_ZN5test31fENS_1UE(ptr noundef byval({{.*}}) align 32
  60 int f(U u) { return u.f2; }
  61 }