clang/test/Driver/openmp-offload-jit.c

   1 // Check that we enable LTO-mode properly with '-fopenmp-target-jit' and that it
   2 // still enabled LTO-mode if `-fno-offload-lto` is on.
   3 // RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-phases -fopenmp=libomp \
   4 // RUN:   -fopenmp-targets=nvptx64-nvidia-cuda -fopenmp-target-jit %s 2>&1 \
   5 // RUN: | FileCheck -check-prefix=PHASES-JIT %s
   6 // RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-phases -fopenmp=libomp \
   7 // RUN:   -fopenmp-targets=nvptx64-nvidia-cuda -foffload-lto -fopenmp-target-jit %s 2>&1 \
   8 // RUN: | FileCheck -check-prefix=PHASES-JIT %s
   9 // RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-phases -fopenmp=libomp \
  10 // RUN:   -fopenmp-targets=amdgcn-amd-amdhsa -fopenmp-target-jit %s 2>&1 \
  11 // RUN: | FileCheck -check-prefix=PHASES-JIT %s
  12 // RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-phases -fopenmp=libomp \
  13 // RUN:   -fopenmp-targets=amdgcn-amd-amdhsa -foffload-lto -fopenmp-target-jit %s 2>&1 \
  14 // RUN: | FileCheck -check-prefix=PHASES-JIT %s
  15 // RUN: not %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-phases -fopenmp=libomp \
  16 // RUN:   -fopenmp-targets=amdgcn-amd-amdhsa -fno-offload-lto -fopenmp-target-jit %s 2>&1 \
  17 // RUN: | FileCheck -check-prefix=PHASES-JIT %s
  18 //
  19 //      PHASES-JIT: 0: input, "[[INPUT:.+]]", c, (host-openmp)
  20 // PHASES-JIT-NEXT: 1: preprocessor, {0}, cpp-output, (host-openmp)
  21 // PHASES-JIT-NEXT: 2: compiler, {1}, ir, (host-openmp)
  22 // PHASES-JIT-NEXT: 3: input, "[[INPUT]]", c, (device-openmp)
  23 // PHASES-JIT-NEXT: 4: preprocessor, {3}, cpp-output, (device-openmp)
  24 // PHASES-JIT-NEXT: 5: compiler, {4}, ir, (device-openmp)
  25 // PHASES-JIT-NEXT: 6: offload, "host-openmp (x86_64-unknown-linux-gnu)" {2}, "device-openmp ([[TARGET:.+]])" {5}, ir
  26 // PHASES-JIT-NEXT: 7: backend, {6}, lto-bc, (device-openmp)
  27 // PHASES-JIT-NEXT: 8: offload, "device-openmp ([[TARGET]])" {7}, lto-bc
  28 // PHASES-JIT-NEXT: 9: clang-offload-packager, {8}, image, (device-openmp)
  29 // PHASES-JIT-NEXT: 10: offload, "host-openmp (x86_64-unknown-linux-gnu)" {2}, "device-openmp (x86_64-unknown-linux-gnu)" {9}, ir
  30 // PHASES-JIT-NEXT: 11: backend, {10}, assembler, (host-openmp)
  31 // PHASES-JIT-NEXT: 12: assembler, {11}, object, (host-openmp)
  32 // PHASES-JIT-NEXT: 13: clang-linker-wrapper, {12}, image, (host-openmp)
  33
  34 // Check that we add the `--embed-bitcode` flag to the linker wrapper.
  35 // RUN: %clang -### --target=x86_64-unknown-linux-gnu -fopenmp=libomp \
  36 // RUN:   --cuda-path=%S/Inputs/CUDA_111/usr/local/cuda \
  37 // RUN:   -fopenmp-targets=nvptx64-nvidia-cuda -Xopenmp-target -march=sm_52 \
  38 // RUN:   -fopenmp-target-jit %s 2>&1 | FileCheck -check-prefix=LINKER %s
  39 // LINKER: clang-linker-wrapper"{{.*}}"--embed-bitcode"
  40
  41 // Check for incompatible combinations
  42
  43 // RUN: not %clang -### --target=x86_64-unknown-linux-gnu -fopenmp=libomp -fno-offload-lto \
  44 // RUN:   -fopenmp-targets=nvptx64-nvidia-cuda -fopenmp-target-jit %s 2>&1 \
  45 // RUN: | FileCheck -check-prefix=NO-LTO %s
  46 // NO-LTO: error: the combination of '-fno-offload-lto' and '-fopenmp-target-jit' is incompatible
  47
  48 // RUN: not %clang -### --target=x86_64-unknown-linux-gnu -fopenmp=libomp -foffload-lto=thin \
  49 // RUN:   -fopenmp-targets=nvptx64-nvidia-cuda -fopenmp-target-jit %s 2>&1 \
  50 // RUN: | FileCheck -check-prefix=THIN-LTO %s
  51 // THIN-LTO: error: the combination of '-foffload-lto=' and '-fopenmp-target-jit' is incompatible