clang/test/OpenMP/align_clause_global_codegen.cpp

   1 // RUN: %clang_cc1 -emit-llvm -o - -fopenmp \
   2 // RUN:  -triple i386-unknown-unknown %s \
   3 // RUN:  | FileCheck %s --check-prefixes=CHECK,CHECK-32
   4
   5 // RUN: %clang_cc1 -emit-llvm -o - -fopenmp \
   6 // RUN:  -triple x86_64-unknown-linux-gnu %s \
   7 // RUN:  | FileCheck %s --check-prefixes=CHECK,CHECK-64
   8
   9 typedef enum omp_allocator_handle_t {
  10   omp_null_allocator = 0,
  11   omp_default_mem_alloc = 1,
  12   omp_large_cap_mem_alloc = 2,
  13   omp_const_mem_alloc = 3,
  14   omp_high_bw_mem_alloc = 4,
  15   omp_low_lat_mem_alloc = 5,
  16   omp_cgroup_mem_alloc = 6,
  17   omp_pteam_mem_alloc = 7,
  18   omp_thread_mem_alloc = 8,
  19   KMP_ALLOCATOR_MAX_HANDLE = __UINTPTR_MAX__
  20 } omp_allocator_handle_t;
  21
  22 //
  23 // Should allow larger alignment.
  24 //
  25
  26 // CHECK: @foo_global1 = global float 0.000000e+00, align 16
  27 float foo_global1;
  28 #pragma omp allocate(foo_global1) align(16)
  29
  30 // CHECK: @foo_global2 = global float 0.000000e+00, align 16
  31 float foo_global2;
  32 #pragma omp allocate(foo_global2) allocator(omp_default_mem_alloc) align(16)
  33
  34 // CHECK: @foo_global3 = global float 0.000000e+00, align 16
  35 float foo_global3;
  36 #pragma omp allocate(foo_global3) allocator(omp_large_cap_mem_alloc) align(16)
  37
  38 // CHECK: @foop_global1 = global ptr null, align 16
  39 int *foop_global1;
  40 #pragma omp allocate(foop_global1) align(16)
  41
  42 //
  43 // Should use natural alignment when alignment specified is too small.
  44 //
  45
  46 // CHECK: @foo_global4 = global float 0.000000e+00, align 4
  47 float foo_global4;
  48 #pragma omp allocate(foo_global4) align(2)
  49
  50 // CHECK: @foo_global5 = global float 0.000000e+00, align 4
  51 float foo_global5;
  52 #pragma omp allocate(foo_global5) allocator(omp_default_mem_alloc) align(2)
  53
  54 // CHECK: @foo_global6 = global float 0.000000e+00, align 4
  55 float foo_global6;
  56 #pragma omp allocate(foo_global6) allocator(omp_large_cap_mem_alloc) align(2)
  57
  58 // CHECK-32: @foop_global2 = global ptr null, align 4
  59 // CHECK-64: @foop_global2 = global ptr null, align 8
  60 int *foop_global2;
  61 #pragma omp allocate(foop_global2) align(2)