clang/test/Driver/openmp-offload.c

   1 ///
   2 /// Perform several driver tests for OpenMP offloading
   3 ///
   4
   5 /// ###########################################################################
   6
   7 /// Check whether an invalid OpenMP target is specified:
   8 // RUN:   not %clang -### -fopenmp=libomp -fopenmp-targets=aaa-bbb-ccc-ddd %s 2>&1 \
   9 // RUN:   | FileCheck -check-prefix=CHK-INVALID-TARGET %s
  10 // CHK-INVALID-TARGET: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
  11
  12 /// ###########################################################################
  13
  14 /// Check warning for empty -fopenmp-targets
  15 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=  %s 2>&1 \
  16 // RUN:   | FileCheck -check-prefix=CHK-EMPTY-OMPTARGETS %s
  17 // CHK-EMPTY-OMPTARGETS: warning: joined argument expects additional value: '-fopenmp-targets='
  18
  19 /// ###########################################################################
  20
  21 /// Check error for no -fopenmp option
  22 // RUN:   not %clang -### -fopenmp-targets=powerpc64le-ibm-linux-gnu  %s 2>&1 \
  23 // RUN:   | FileCheck -check-prefix=CHK-NO-FOPENMP %s
  24 // RUN:   not %clang -### -fopenmp=libgomp -fopenmp-targets=powerpc64le-ibm-linux-gnu  %s 2>&1 \
  25 // RUN:   | FileCheck -check-prefix=CHK-NO-FOPENMP %s
  26 // CHK-NO-FOPENMP: error: '-fopenmp-targets' must be used in conjunction with a '-fopenmp' option compatible with offloading; e.g., '-fopenmp=libomp' or '-fopenmp=libiomp5'
  27
  28 /// ###########################################################################
  29
  30 /// Check warning for duplicate offloading targets.
  31 // RUN:   %clang -### -ccc-print-phases -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu,powerpc64le-ibm-linux-gnu  %s 2>&1 \
  32 // RUN:   | FileCheck -check-prefix=CHK-DUPLICATES %s
  33 // CHK-DUPLICATES: warning: OpenMP offloading target 'powerpc64le-ibm-linux-gnu' is similar to target 'powerpc64le-ibm-linux-gnu' already specified; will be ignored
  34
  35 /// ###########################################################################
  36
  37 /// Check -Xopenmp-target=powerpc64le-ibm-linux-gnu -mcpu=pwr7 is passed when compiling for the device.
  38 // RUN:   %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -Xopenmp-target=powerpc64le-ibm-linux-gnu -mcpu=pwr7 %s 2>&1 \
  39 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-EQ-TARGET %s
  40
  41 // CHK-FOPENMP-EQ-TARGET: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-target-device"
  42
  43 /// ###########################################################################
  44
  45 /// Check -Xopenmp-target -mcpu=pwr7 is passed when compiling for the device.
  46 // RUN:   %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -Xopenmp-target -mcpu=pwr7 %s 2>&1 \
  47 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-TARGET %s
  48
  49 // CHK-FOPENMP-TARGET: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-target-device"
  50
  51 /// ##########################################################################
  52
  53 /// Check -mcpu=pwr7 is passed to the same triple.
  54 // RUN:    %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu --target=powerpc64le-ibm-linux-gnu -mcpu=pwr7 %s 2>&1 \
  55 // RUN:    | FileCheck -check-prefix=CHK-FOPENMP-MCPU-TO-SAME-TRIPLE %s
  56
  57 // CHK-FOPENMP-MCPU-TO-SAME-TRIPLE: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-target-device"
  58
  59 /// ##########################################################################
  60
  61 /// Check -march=pwr7 is NOT passed to nvptx64-nvidia-cuda.
  62 // RUN:    not %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda --target=powerpc64le-ibm-linux-gnu -march=pwr7 %s 2>&1 \
  63 // RUN:    | FileCheck -check-prefix=CHK-FOPENMP-MARCH-TO-GPU %s
  64
  65 // CHK-FOPENMP-MARCH-TO-GPU-NOT: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-target-device"
  66
  67 /// ###########################################################################
  68
  69 /// Check -march=pwr7 is NOT passed to x86_64-unknown-linux-gnu.
  70 // RUN:    not %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=x86_64-unknown-linux-gnu --target=powerpc64le-ibm-linux-gnu -march=pwr7 %s 2>&1 \
  71 // RUN:    | FileCheck -check-prefix=CHK-FOPENMP-MARCH-TO-X86 %s
  72
  73 // CHK-FOPENMP-MARCH-TO-X86-NOT: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-target-device"
  74
  75 /// ###########################################################################
  76
  77 /// Check -Xopenmp-target triggers error when multiple triples are used.
  78 // RUN:   not %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu,powerpc64le-unknown-linux-gnu -Xopenmp-target -mcpu=pwr8 %s 2>&1 \
  79 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-TARGET-AMBIGUOUS-ERROR %s
  80
  81 // CHK-FOPENMP-TARGET-AMBIGUOUS-ERROR: clang{{.*}} error: cannot deduce implicit triple value for -Xopenmp-target, specify triple using -Xopenmp-target=<triple>
  82
  83 /// ###########################################################################
  84
  85 /// Check -Xopenmp-target triggers error when an option requiring arguments is passed to it.
  86 // RUN:   not %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -Xopenmp-target -Xopenmp-target -mcpu=pwr8 %s 2>&1 \
  87 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-TARGET-NESTED-ERROR %s
  88
  89 // CHK-FOPENMP-TARGET-NESTED-ERROR: clang{{.*}} error: invalid -Xopenmp-target argument: '-Xopenmp-target -Xopenmp-target', options requiring arguments are unsupported
  90
  91 /// ###########################################################################
  92
  93 /// Check the phases graph when using a single target, different from the host.
  94 /// We should have an offload action joining the host compile and device
  95 /// preprocessor and another one joining the device linking outputs to the host
  96 /// action.
  97 // RUN: %clang -ccc-print-phases -fopenmp=libomp --target=powerpc64-ibm-linux-gnu \
  98 // RUN:   -fopenmp-targets=powerpc64-ibm-linux-gnu %s 2>&1 | FileCheck -check-prefix=CHK-PHASES %s
  99 //      CHK-PHASES: 0: input, "[[INPUT:.+]]", c, (host-openmp)
 100 // CHK-PHASES-NEXT: 1: preprocessor, {0}, cpp-output, (host-openmp)
 101 // CHK-PHASES-NEXT: 2: compiler, {1}, ir, (host-openmp)
 102 // CHK-PHASES-NEXT: 3: input, "[[INPUT]]", c, (device-openmp)
 103 // CHK-PHASES-NEXT: 4: preprocessor, {3}, cpp-output, (device-openmp)
 104 // CHK-PHASES-NEXT: 5: compiler, {4}, ir, (device-openmp)
 105 // CHK-PHASES-NEXT: 6: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {2}, "device-openmp (powerpc64-ibm-linux-gnu)" {5}, ir
 106 // CHK-PHASES-NEXT: 7: backend, {6}, assembler, (device-openmp)
 107 // CHK-PHASES-NEXT: 8: assembler, {7}, object, (device-openmp)
 108 // CHK-PHASES-NEXT: 9: offload, "device-openmp (powerpc64-ibm-linux-gnu)" {8}, object
 109 // CHK-PHASES-NEXT: 10: clang-offload-packager, {9}, image, (device-openmp)
 110 // CHK-PHASES-NEXT: 11: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {2}, "device-openmp (powerpc64-ibm-linux-gnu)" {10}, ir
 111 // CHK-PHASES-NEXT: 12: backend, {11}, assembler, (host-openmp)
 112 // CHK-PHASES-NEXT: 13: assembler, {12}, object, (host-openmp)
 113 // CHK-PHASES-NEXT: 14: clang-linker-wrapper, {13}, image, (host-openmp)
 114
 115 /// ###########################################################################
 116
 117 /// Check the phases when using multiple targets and multiple source files
 118 // RUN: %clang -ccc-print-phases -lsomelib -fopenmp=libomp --target=powerpc64-ibm-linux-gnu \
 119 // RUN:   -fopenmp-targets=x86_64-pc-linux-gnu,powerpc64-ibm-linux-gnu %s %s 2>&1 | FileCheck -check-prefix=CHK-PHASES-FILES %s
 120 //      CHK-PHASES-FILES: 0: input, "somelib", object, (host-openmp)
 121 // CHK-PHASES-FILES-NEXT: 1: input, "[[INPUT:.+]]", c, (host-openmp)
 122 // CHK-PHASES-FILES-NEXT: 2: preprocessor, {1}, cpp-output, (host-openmp)
 123 // CHK-PHASES-FILES-NEXT: 3: compiler, {2}, ir, (host-openmp)
 124 // CHK-PHASES-FILES-NEXT: 4: input, "[[INPUT]]", c, (device-openmp)
 125 // CHK-PHASES-FILES-NEXT: 5: preprocessor, {4}, cpp-output, (device-openmp)
 126 // CHK-PHASES-FILES-NEXT: 6: compiler, {5}, ir, (device-openmp)
 127 // CHK-PHASES-FILES-NEXT: 7: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {3}, "device-openmp (powerpc64-ibm-linux-gnu)" {6}, ir
 128 // CHK-PHASES-FILES-NEXT: 8: backend, {7}, assembler, (device-openmp)
 129 // CHK-PHASES-FILES-NEXT: 9: assembler, {8}, object, (device-openmp)
 130 // CHK-PHASES-FILES-NEXT: 10: offload, "device-openmp (powerpc64-ibm-linux-gnu)" {9}, object
 131 // CHK-PHASES-FILES-NEXT: 11: input, "[[INPUT]]", c, (device-openmp)
 132 // CHK-PHASES-FILES-NEXT: 12: preprocessor, {11}, cpp-output, (device-openmp)
 133 // CHK-PHASES-FILES-NEXT: 13: compiler, {12}, ir, (device-openmp)
 134 // CHK-PHASES-FILES-NEXT: 14: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {3}, "device-openmp (x86_64-pc-linux-gnu)" {13}, ir
 135 // CHK-PHASES-FILES-NEXT: 15: backend, {14}, assembler, (device-openmp)
 136 // CHK-PHASES-FILES-NEXT: 16: assembler, {15}, object, (device-openmp)
 137 // CHK-PHASES-FILES-NEXT: 17: offload, "device-openmp (x86_64-pc-linux-gnu)" {16}, object
 138 // CHK-PHASES-FILES-NEXT: 18: clang-offload-packager, {10, 17}, image, (device-openmp)
 139 // CHK-PHASES-FILES-NEXT: 19: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {3}, "device-openmp (powerpc64-ibm-linux-gnu)" {18}, ir
 140 // CHK-PHASES-FILES-NEXT: 20: backend, {19}, assembler, (host-openmp)
 141 // CHK-PHASES-FILES-NEXT: 21: assembler, {20}, object, (host-openmp)
 142 // CHK-PHASES-FILES-NEXT: 22: input, "[[INPUT]]", c, (host-openmp)
 143 // CHK-PHASES-FILES-NEXT: 23: preprocessor, {22}, cpp-output, (host-openmp)
 144 // CHK-PHASES-FILES-NEXT: 24: compiler, {23}, ir, (host-openmp)
 145 // CHK-PHASES-FILES-NEXT: 25: input, "[[INPUT]]", c, (device-openmp)
 146 // CHK-PHASES-FILES-NEXT: 26: preprocessor, {25}, cpp-output, (device-openmp)
 147 // CHK-PHASES-FILES-NEXT: 27: compiler, {26}, ir, (device-openmp)
 148 // CHK-PHASES-FILES-NEXT: 28: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {24}, "device-openmp (powerpc64-ibm-linux-gnu)" {27}, ir
 149 // CHK-PHASES-FILES-NEXT: 29: backend, {28}, assembler, (device-openmp)
 150 // CHK-PHASES-FILES-NEXT: 30: assembler, {29}, object, (device-openmp)
 151 // CHK-PHASES-FILES-NEXT: 31: offload, "device-openmp (powerpc64-ibm-linux-gnu)" {30}, object
 152 // CHK-PHASES-FILES-NEXT: 32: input, "[[INPUT]]", c, (device-openmp)
 153 // CHK-PHASES-FILES-NEXT: 33: preprocessor, {32}, cpp-output, (device-openmp)
 154 // CHK-PHASES-FILES-NEXT: 34: compiler, {33}, ir, (device-openmp)
 155 // CHK-PHASES-FILES-NEXT: 35: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {24}, "device-openmp (x86_64-pc-linux-gnu)" {34}, ir
 156 // CHK-PHASES-FILES-NEXT: 36: backend, {35}, assembler, (device-openmp)
 157 // CHK-PHASES-FILES-NEXT: 37: assembler, {36}, object, (device-openmp)
 158 // CHK-PHASES-FILES-NEXT: 38: offload, "device-openmp (x86_64-pc-linux-gnu)" {37}, object
 159 // CHK-PHASES-FILES-NEXT: 39: clang-offload-packager, {31, 38}, image, (device-openmp)
 160 // CHK-PHASES-FILES-NEXT: 40: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {24}, "device-openmp (powerpc64-ibm-linux-gnu)" {39}, ir
 161 // CHK-PHASES-FILES-NEXT: 41: backend, {40}, assembler, (host-openmp)
 162 // CHK-PHASES-FILES-NEXT: 42: assembler, {41}, object, (host-openmp)
 163 // CHK-PHASES-FILES-NEXT: 43: clang-linker-wrapper, {0, 21, 42}, image, (host-openmp)
 164
 165 /// Check -fopenmp-is-target-device is passed when compiling for the device.
 166 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu %s 2>&1 \
 167 // RUN:   | FileCheck -check-prefix=CHK-fopenmp-is-target-device %s
 168
 169 // CHK-fopenmp-is-target-device: "-cc1"{{.*}} "-aux-triple" "powerpc64le-unknown-linux" {{.*}}"-fopenmp-is-target-device" "-fopenmp-host-ir-file-path" {{.*}}.c"
 170
 171 /// Check arguments to the linker wrapper
 172 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu %s 2>&1 \
 173 // RUN:   | FileCheck -check-prefix=CHK-NEW-DRIVER %s
 174
 175 // CHK-NEW-DRIVER: clang-linker-wrapper{{.*}}"--host-triple=powerpc64le-unknown-linux"{{.*}}--{{.*}}"-lomp"{{.*}}"-lomptarget"
 176
 177 /// Check arguments to the linker wrapper
 178 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -g %s 2>&1 \
 179 // RUN:   | FileCheck -check-prefix=CHK-NEW-DRIVER-DEBUG %s
 180
 181 // CHK-NEW-DRIVER-DEBUG: clang-linker-wrapper{{.*}} "--device-debug"
 182
 183 /// Check arguments to the linker wrapper
 184 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu \
 185 // RUN:     -mllvm -abc %s 2>&1 | FileCheck -check-prefix=CHK-NEW-DRIVER-MLLVM %s
 186
 187 // CHK-NEW-DRIVER-MLLVM: clang-linker-wrapper{{.*}} "-abc"
 188
 189 //
 190 // Ensure that we generate the correct bindings for '-fsyntax-only' for OpenMP.
 191 //
 192 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu \
 193 // RUN:     -fsyntax-only -ccc-print-bindings %s 2>&1 | FileCheck -check-prefix=CHK-SYNTAX-ONLY %s
 194 // CHK-SYNTAX-ONLY: # "powerpc64le-ibm-linux-gnu" - "clang", inputs: ["[[INPUT:.+]]"], output: (nothing)
 195 // CHK-SYNTAX-ONLY: # "powerpc64le-unknown-linux" - "clang", inputs: ["[[INPUT]]", (nothing)], output: (nothing)
 196
 197 //
 198 // Ensure that we can generate the correct arguments for '-fsyntax-only' for
 199 // OpenMP.
 200 //
 201 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu \
 202 // RUN:     -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHK-SYNTAX-ONLY-ARGS %s
 203 // CHK-SYNTAX-ONLY-ARGS: "-cc1" "-triple" "powerpc64le-ibm-linux-gnu"{{.*}}"-fsyntax-only"
 204 // CHK-SYNTAX-ONLY-ARGS: "-cc1" "-triple" "powerpc64le-unknown-linux"{{.*}}"-fsyntax-only"