clang/test/CodeGen/target-avx-abi-diag.c

   1 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -verify=no256,no512 -o - -S
   2 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx -verify=no512 -o - -S
   3 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -verify=both -o - -S
   4 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -target-feature +evex512 -verify=both -o - -S
   5 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -target-feature -evex512 -verify=avx512-256 -DAVX512_ERR=1 -o - -S
   6 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -target-feature -evex512 -verify=avx512-256 -DAVX512_ERR=2 -o - -S
   7 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -target-feature -evex512 -verify=avx512-256 -DAVX512_ERR=3 -o - -S
   8 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx10.1-512 -verify=both -o - -S
   9 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx10.1-256 -verify=avx512-256 -DAVX512_ERR=1 -o - -S
  10 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx10.1-256 -verify=avx512-256 -DAVX512_ERR=2 -o - -S
  11 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx10.1-256 -verify=avx512-256 -DAVX512_ERR=3 -o - -S
  12 // REQUIRES: x86-registered-target
  13
  14 // both-no-diagnostics
  15
  16 typedef short avx512fType __attribute__((vector_size(64)));
  17 typedef short avx256Type __attribute__((vector_size(32)));
  18
  19 __attribute__((target("avx"))) void takesAvx256(avx256Type t);
  20 __attribute__((target("avx512f"))) void takesAvx512(avx512fType t);
  21 __attribute__((target("avx512f,evex512"))) void takesAvx512_2(avx512fType t);
  22 void takesAvx256_no_target(avx256Type t);
  23 void takesAvx512_no_target(avx512fType t);
  24
  25 void variadic(int i, ...);
  26 __attribute__((target("avx512f"))) void variadic_err(int i, ...);
  27
  28 #if !defined(AVX512_ERR) || AVX512_ERR == 1
  29 // If neither side has an attribute, warn.
  30 void call_warn(void) {
  31   avx256Type t1;
  32   takesAvx256_no_target(t1); // no256-warning {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
  33
  34   avx512fType t2;
  35   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
  36   takesAvx512_no_target(t2); // no512-warning {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
  37
  38   variadic(1, t1); // no256-warning {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
  39   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
  40   variadic(3, t2); // no512-warning {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
  41 }
  42 #endif
  43
  44 #if !defined(AVX512_ERR) || AVX512_ERR == 2
  45 // If only 1 side has an attribute, error.
  46 void call_errors(void) {
  47   avx256Type t1;
  48   takesAvx256(t1); // no256-error {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
  49   avx512fType t2;
  50   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
  51   takesAvx512(t2); // no512-error {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
  52
  53   variadic_err(1, t1); // no256-error {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
  54   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
  55   variadic_err(3, t2); // no512-error {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
  56 }
  57 #endif
  58
  59 #if !defined(AVX512_ERR) || AVX512_ERR == 3
  60 __attribute__((target("avx"))) void call_avx256_ok(void) {
  61   avx256Type t;
  62   takesAvx256(t);
  63 }
  64
  65 // Option -mno-evex512 affects target attributes. To retain the 512-bit capability, an explict "evex512" must be added together.
  66 __attribute__((target("avx512f,evex512"))) void call_avx512_ok1(void) {
  67   avx512fType t;
  68   takesAvx512_2(t);
  69 }
  70
  71 __attribute__((target("avx512f"))) void call_avx512_ok2(void) {
  72   avx512fType t;
  73   takesAvx512(t); // avx512-256-error {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
  74 }
  75 #endif