clang/test/OpenMP/target_indirect_codegen.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -o - | FileCheck %s --check-prefix=HOST
   2 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm-bc %s -o %t-host.bc
   3 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 -x c++ -triple amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-host.bc -o - | FileCheck %s --check-prefix=DEVICE
   4 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 -x c++ -triple amdgcn-amd-amdhsa %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-host.bc -emit-pch -o %t
   5 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 -x c++ -triple amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-host.bc -include-pch %t -o - | FileCheck %s --check-prefix=DEVICE
   6
   7 // expected-no-diagnostics
   8 #ifndef HEADER
   9 #define HEADER
  10
  11 //.
  12 // HOST: @[[VAR:.+]] = global i8 0, align 1
  13 // HOST: @[[FOO_ENTRY_NAME:.+]] = internal unnamed_addr constant [{{[0-9]+}} x i8] c"[[FOO_NAME:__omp_offloading_[0-9a-z]+_[0-9a-z]+_foo_l[0-9]+]]\00"
  14 // HOST: @.offloading.entry.[[FOO_NAME]] = weak constant %struct.__tgt_offload_entry { ptr @_Z3foov, ptr @[[FOO_ENTRY_NAME]], i64 8, i32 8, i32 0 }, section "omp_offloading_entries", align 1
  15 // HOST: @[[BAZ_ENTRY_NAME:.+]] = internal unnamed_addr constant [{{[0-9]+}} x i8] c"[[BAZ_NAME:__omp_offloading_[0-9a-z]+_[0-9a-z]+_baz_l[0-9]+]]\00"
  16 // HOST: @.offloading.entry.[[BAZ_NAME]] = weak constant %struct.__tgt_offload_entry { ptr @_Z3bazv, ptr @[[BAZ_ENTRY_NAME]], i64 8, i32 8, i32 0 }, section "omp_offloading_entries", align 1
  17 // HOST: @[[VAR_ENTRY_NAME:.+]] = internal unnamed_addr constant [4 x i8] c"var\00"
  18 // HOST: @.offloading.entry.var = weak constant %struct.__tgt_offload_entry { ptr @[[VAR]], ptr @[[VAR_ENTRY_NAME]], i64 1, i32 0, i32 0 }, section "omp_offloading_entries", align 1
  19 // HOST: @[[BAR_ENTRY_NAME:.+]] = internal unnamed_addr constant [{{[0-9]+}} x i8] c"[[BAR_NAME:__omp_offloading_[0-9a-z]+_[0-9a-z]+_bar_l[0-9]+]]\00"
  20 // HOST: @.offloading.entry.[[BAR_NAME]] = weak constant %struct.__tgt_offload_entry { ptr @_ZL3barv, ptr @[[BAR_ENTRY_NAME]], i64 8, i32 8, i32 0 }, section "omp_offloading_entries", align 1
  21 //.
  22 // DEVICE: @[[FOO_NAME:__omp_offloading_[0-9a-z]+_[0-9a-z]+_foo_l[0-9]+]] = protected addrspace(1) constant ptr @_Z3foov
  23 // DEVICE: @[[BAZ_NAME:__omp_offloading_[0-9a-z]+_[0-9a-z]+_baz_l[0-9]+]] = protected addrspace(1) constant ptr @_Z3bazv
  24 // DEVICE: @var = protected addrspace(1) global i8 0, align 1
  25 // DEVICE: @[[BAR_NAME:__omp_offloading_[0-9a-z]+_[0-9a-z]+_bar_l[0-9]+]] = protected addrspace(1) constant ptr @_ZL3barv
  26 //.
  27 void foo() { }
  28 #pragma omp declare target to(foo) indirect
  29
  30 static void bar() { }
  31 #pragma omp declare target to(bar) indirect
  32
  33 [[gnu::visibility("hidden")]] void baz() { bar(); }
  34 #pragma omp declare target to(baz) indirect
  35
  36 static void unused() { };
  37 #pragma omp declare target to(unused) indirect
  38
  39 void disabled() { };
  40 #pragma omp declare target to(disabled) indirect(false)
  41
  42 char var = 0;
  43 #pragma omp declare target to(var) indirect
  44
  45 #endif
  46 //.
  47 // HOST-DAG: !{{[0-9]+}} = !{i32 1, !"[[FOO_NAME]]", i32 8, i32 0}
  48 // HOST-DAG: !{{[0-9]+}} = !{i32 1, !"[[BAZ_NAME]]", i32 8, i32 1}
  49 // HOST-DAG: !{{[0-9]+}} = !{i32 1, !"var", i32 0, i32 2}
  50 // HOST-DAG: !{{[0-9]+}} = !{i32 1, !"[[BAR_NAME]]", i32 8, i32 3}
  51 //.