clang/test/OpenMP/declare_variant_device_isa_codegen_1.c

   1 // RUN: %clang_cc1 -verify -fopenmp -x c -triple %itanium_abi_triple -emit-llvm %s -o - -fopenmp-version=45 | FileCheck %s --check-prefix=GENERIC
   2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t -fopenmp-version=45 %s
   3 // RUN: %clang_cc1 -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - -fopenmp-version=45 | FileCheck %s --check-prefix=GENERIC
   4
   5 // RUN: %clang_cc1 -target-feature +avx512f -verify -fopenmp -x c -triple %itanium_abi_triple -emit-llvm %s -o - -fopenmp-version=45 | FileCheck %s --check-prefix=WITHFEATURE
   6 // RUN: %clang_cc1 -target-feature +avx512f -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t -fopenmp-version=45 %s
   7 // RUN: %clang_cc1 -target-feature +avx512f -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - -fopenmp-version=45 | FileCheck %s --check-prefix=WITHFEATURE
   8
   9 // RUN: %clang_cc1 -verify -fopenmp -x c -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck %s --check-prefix=GENERIC
  10 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t %s
  11 // RUN: %clang_cc1 -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix=GENERIC
  12
  13 // RUN: %clang_cc1 -target-feature +avx512f -verify -fopenmp -x c -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck %s --check-prefix=WITHFEATURE
  14 // RUN: %clang_cc1 -target-feature +avx512f -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t %s
  15 // RUN: %clang_cc1 -target-feature +avx512f -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix=WITHFEATURE
  16
  17 // expected-no-diagnostics
  18
  19 // Test taken from PR46338 (by linna su)
  20
  21 #ifndef HEADER
  22 #define HEADER
  23
  24 void base_saxpy(int, float, float *, float *);
  25 void avx512_saxpy(int, float, float *, float *);
  26
  27 #pragma omp declare variant(avx512_saxpy) \
  28     match(device = {isa(avx512f)})
  29 void base_saxpy(int n, float s, float *x, float *y) {
  30 #pragma omp parallel for
  31   for (int i = 0; i < n; i++)
  32     y[i] = s * x[i] + y[i];
  33 }
  34
  35 void avx512_saxpy(int n, float s, float *x, float *y) {
  36 #pragma omp parallel for simd simdlen(16) aligned(x, y : 64)
  37   for (int i = 0; i < n; i++)
  38     y[i] = s * x[i] + y[i];
  39 }
  40
  41 void caller(int n, float s, float *x, float *y) {
  42   // GENERIC:     define {{.*}}void @{{.*}}caller
  43   // GENERIC:      call void @{{.*}}base_saxpy
  44   // WITHFEATURE: define {{.*}}void @{{.*}}caller
  45   // WITHFEATURE:  call void @{{.*}}avx512_saxpy
  46   base_saxpy(n, s, x, y);
  47 }
  48
  49 __attribute__((target("avx512f"))) void variant_caller(int n, float s, float *x, float *y) {
  50   // GENERIC:     define {{.*}}void @{{.*}}variant_caller
  51   // GENERIC:      call void @{{.*}}avx512_saxpy
  52   // WITHFEATURE: define {{.*}}void @{{.*}}variant_caller
  53   // WITHFEATURE:  call void @{{.*}}avx512_saxpy
  54   base_saxpy(n, s, x, y);
  55 }
  56
  57 #endif