clang/test/Driver/wasm-toolchain.c

   1 // A basic clang -cc1 command-line. WebAssembly is somewhat special in
   2 // enabling -fvisibility=hidden by default.
   3
   4 // RUN: %clang -### %s --target=wasm32-unknown-unknown 2>&1 \
   5 // RUN:   | FileCheck -check-prefix=CC1 %s
   6 // CC1: "-cc1" "-triple" "wasm32-unknown-unknown" {{.*}} "-fvisibility=hidden" {{.*}}
   7
   8 // Ditto, but ensure that a user -fvisibility=default disables the default
   9 // -fvisibility=hidden.
  10
  11 // RUN: %clang -### %s --target=wasm32-unknown-unknown -fvisibility=default 2>&1 \
  12 // RUN:   | FileCheck -check-prefix=FVISIBILITY_DEFAULT %s
  13 // FVISIBILITY_DEFAULT-NOT: hidden
  14
  15 // A basic C link command-line with unknown OS.
  16
  17 // RUN: %clang -### --target=wasm32-unknown-unknown --sysroot=/foo %s 2>&1 \
  18 // RUN:   | FileCheck -check-prefix=LINK %s
  19 // LINK: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
  20 // LINK: wasm-ld{{.*}}" "-L/foo/lib" "crt1.o" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
  21
  22 // A basic C link command-line with optimization with unknown OS.
  23
  24 // RUN: %clang -### -O2 --target=wasm32-unknown-unknown --sysroot=/foo %s 2>&1 \
  25 // RUN:   | FileCheck -check-prefix=LINK_OPT %s
  26 // LINK_OPT: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
  27 // LINK_OPT: wasm-ld{{.*}}" "-L/foo/lib" "crt1.o" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
  28
  29 // A basic C link command-line with known OS.
  30
  31 // RUN: %clang -### --target=wasm32-wasi --sysroot=/foo %s 2>&1 \
  32 // RUN:   | FileCheck -check-prefix=LINK_KNOWN %s
  33 // LINK_KNOWN: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
  34 // LINK_KNOWN: wasm-ld{{.*}}" "-L/foo/lib/wasm32-wasi" "crt1.o" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
  35
  36 // -shared should be passed through to `wasm-ld` and include crt1-reactor.o with a known OS.
  37
  38 // RUN: %clang -### -shared -mexec-model=reactor --target=wasm32-wasi --sysroot=/foo %s 2>&1 \
  39 // RUN:   | FileCheck -check-prefix=LINK_KNOWN_SHARED %s
  40 // LINK_KNOWN_SHARED: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
  41 // LINK_KNOWN_SHARED: wasm-ld{{.*}}" "-L/foo/lib/wasm32-wasi" "crt1-reactor.o" "--entry" "_initialize" "-shared" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
  42
  43 // -shared should be passed through to `wasm-ld` and include crt1-reactor.o with an unknown OS.
  44
  45 // RUN: %clang -### -shared -mexec-model=reactor --target=wasm32-unknown-unknown --sysroot=/foo %s 2>&1 \
  46 // RUN:   | FileCheck -check-prefix=LINK_UNKNOWN_SHARED %s
  47 // LINK_UNKNOWN_SHARED: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
  48 // LINK_UNKNOWN_SHARED: wasm-ld{{.*}}" "crt1-reactor.o" "--entry" "_initialize" "-shared" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
  49
  50 // A basic C link command-line with optimization with known OS.
  51
  52 // RUN: %clang -### -O2 --target=wasm32-wasi --sysroot=/foo %s 2>&1 \
  53 // RUN:   | FileCheck -check-prefix=LINK_OPT_KNOWN %s
  54 // LINK_OPT_KNOWN: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
  55 // LINK_OPT_KNOWN: wasm-ld{{.*}}" "-L/foo/lib/wasm32-wasi" "crt1.o" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
  56
  57 // A basic C compile command-line with known OS.
  58
  59 // RUN: %clang -### --target=wasm32-wasi --sysroot=/foo %s 2>&1 \
  60 // RUN:   | FileCheck -check-prefix=COMPILE %s
  61 // COMPILE: "-cc1" {{.*}} "-internal-isystem" "/foo/include/wasm32-wasi" "-internal-isystem" "/foo/include"
  62
  63 // -fPIC should work on a known OS
  64
  65 // RUN: %clang -### -fPIC --target=wasm32-wasi --sysroot=/foo %s 2>&1 \
  66 // RUN:   | FileCheck -check-prefix=COMPILE_KNOWN_PIC %s
  67 // COMPILE_KNOWN_PIC: "-cc1" {{.*}} "-mrelocation-model" "pic" "-pic-level" "2" {{.*}} "-internal-isystem" "/foo/include/wasm32-wasi" "-internal-isystem" "/foo/include"
  68
  69 // -fPIC should work on an unknown OS
  70
  71 // RUN: %clang -### -fPIC --target=wasm32-unknown-unknown --sysroot=/foo %s 2>&1 \
  72 // RUN:   | FileCheck -check-prefix=COMPILE_UNKNOWN_PIC %s
  73 // COMPILE_UNKNOWN_PIC: "-cc1" {{.*}} "-mrelocation-model" "pic" "-pic-level" "2"
  74
  75 // Thread-related command line tests.
  76
  77 // '-pthread' sets +atomics, +bulk-memory, +mutable-globals, +sign-ext, and --shared-memory
  78 // RUN: %clang -### --target=wasm32-unknown-unknown \
  79 // RUN:    --sysroot=/foo %s -pthread 2>&1 \
  80 // RUN:  | FileCheck -check-prefix=PTHREAD %s
  81 // PTHREAD: "-cc1" {{.*}} "-target-feature" "+atomics" "-target-feature" "+bulk-memory" "-target-feature" "+mutable-globals" "-target-feature" "+sign-ext"
  82 // PTHREAD: wasm-ld{{.*}}" "-lpthread" "--shared-memory"
  83
  84 // '-pthread' not allowed with '-mno-atomics'
  85 // RUN: not %clang -### --target=wasm32-unknown-unknown \
  86 // RUN:     --sysroot=/foo %s -pthread -mno-atomics 2>&1 \
  87 // RUN:   | FileCheck -check-prefix=PTHREAD_NO_ATOMICS %s
  88 // PTHREAD_NO_ATOMICS: invalid argument '-pthread' not allowed with '-mno-atomics'
  89
  90 // '-pthread' not allowed with '-mno-bulk-memory'
  91 // RUN: not %clang -### --target=wasm32-unknown-unknown \
  92 // RUN:     --sysroot=/foo %s -pthread -mno-bulk-memory 2>&1 \
  93 // RUN:   | FileCheck -check-prefix=PTHREAD_NO_BULK_MEM %s
  94 // PTHREAD_NO_BULK_MEM: invalid argument '-pthread' not allowed with '-mno-bulk-memory'
  95
  96 // '-pthread' not allowed with '-mno-mutable-globals'
  97 // RUN: not %clang -### --target=wasm32-unknown-unknown \
  98 // RUN:     --sysroot=/foo %s -pthread -mno-mutable-globals 2>&1 \
  99 // RUN:   | FileCheck -check-prefix=PTHREAD_NO_MUT_GLOBALS %s
 100 // PTHREAD_NO_MUT_GLOBALS: invalid argument '-pthread' not allowed with '-mno-mutable-globals'
 101
 102 // '-pthread' not allowed with '-mno-sign-ext'
 103 // RUN: not %clang -### --target=wasm32-unknown-unknown \
 104 // RUN:     --sysroot=/foo %s -pthread -mno-sign-ext 2>&1 \
 105 // RUN:   | FileCheck -check-prefix=PTHREAD_NO_SIGN_EXT %s
 106 // PTHREAD_NO_SIGN_EXT: invalid argument '-pthread' not allowed with '-mno-sign-ext'
 107
 108 // '-mllvm -emscripten-cxx-exceptions-allowed=foo,bar' sets
 109 // '-mllvm --force-attribute=foo:noinline -mllvm --force-attribute=bar:noinline'
 110 // RUN: %clang -### --target=wasm32-unknown-unknown \
 111 // RUN:    --sysroot=/foo %s -mllvm -enable-emscripten-cxx-exceptions \
 112 // RUN:    -mllvm -emscripten-cxx-exceptions-allowed=foo,bar 2>&1 \
 113 // RUN:  | FileCheck -check-prefix=EMSCRIPTEN_EH_ALLOWED_NOINLINE %s
 114 // EMSCRIPTEN_EH_ALLOWED_NOINLINE: "-cc1" {{.*}} "-mllvm" "--force-attribute=foo:noinline" "-mllvm" "--force-attribute=bar:noinline"
 115
 116 // '-mllvm -emscripten-cxx-exceptions-allowed' only allowed with
 117 // '-mllvm -enable-emscripten-cxx-exceptions'
 118 // RUN: not %clang -### --target=wasm32-unknown-unknown \
 119 // RUN:     --sysroot=/foo %s -mllvm -emscripten-cxx-exceptions-allowed 2>&1 \
 120 // RUN:   | FileCheck -check-prefix=EMSCRIPTEN_EH_ALLOWED_WO_ENABLE %s
 121 // EMSCRIPTEN_EH_ALLOWED_WO_ENABLE: invalid argument '-mllvm -emscripten-cxx-exceptions-allowed' only allowed with '-mllvm -enable-emscripten-cxx-exceptions'
 122
 123 // '-fwasm-exceptions' sets +exception-handling and '-mllvm -wasm-enable-eh'
 124 // RUN: %clang -### --target=wasm32-unknown-unknown \
 125 // RUN:    --sysroot=/foo %s -fwasm-exceptions 2>&1 \
 126 // RUN:  | FileCheck -check-prefix=WASM_EXCEPTIONS %s
 127 // WASM_EXCEPTIONS: "-cc1" {{.*}} "-target-feature" "+exception-handling" "-mllvm" "-wasm-enable-eh"
 128
 129 // '-fwasm-exceptions' not allowed with '-mno-exception-handling'
 130 // RUN: not %clang -### --target=wasm32-unknown-unknown \
 131 // RUN:     --sysroot=/foo %s -fwasm-exceptions -mno-exception-handling 2>&1 \
 132 // RUN:   | FileCheck -check-prefix=WASM_EXCEPTIONS_NO_EH %s
 133 // WASM_EXCEPTIONS_NO_EH: invalid argument '-fwasm-exceptions' not allowed with '-mno-exception-handling'
 134
 135 // '-fwasm-exceptions' not allowed with '-mllvm -enable-emscripten-cxx-exceptions'
 136 // RUN: not %clang -### --target=wasm32-unknown-unknown \
 137 // RUN:     --sysroot=/foo %s -fwasm-exceptions \
 138 // RUN:     -mllvm -enable-emscripten-cxx-exceptions 2>&1 \
 139 // RUN:   | FileCheck -check-prefix=WASM_EXCEPTIONS_EMSCRIPTEN_EH %s
 140 // WASM_EXCEPTIONS_EMSCRIPTEN_EH: invalid argument '-fwasm-exceptions' not allowed with '-mllvm -enable-emscripten-cxx-exceptions'
 141
 142 // '-mllvm -wasm-enable-sjlj' sets +exception-handling and
 143 // '-exception-model=wasm'
 144 // RUN: %clang -### --target=wasm32-unknown-unknown \
 145 // RUN:    --sysroot=/foo %s -mllvm -wasm-enable-sjlj 2>&1 \
 146 // RUN:  | FileCheck -check-prefix=WASM_SJLJ %s
 147 // WASM_SJLJ: "-cc1" {{.*}} "-target-feature" "+exception-handling" "-exception-model=wasm"
 148
 149 // '-mllvm -wasm-enable-sjlj' not allowed with '-mno-exception-handling'
 150 // RUN: not %clang -### --target=wasm32-unknown-unknown \
 151 // RUN:     --sysroot=/foo %s -mllvm -wasm-enable-sjlj -mno-exception-handling \
 152 // RUN:     2>&1 \
 153 // RUN:   | FileCheck -check-prefix=WASM_SJLJ_NO_EH %s
 154 // WASM_SJLJ_NO_EH: invalid argument '-mllvm -wasm-enable-sjlj' not allowed with '-mno-exception-handling'
 155
 156 // '-mllvm -wasm-enable-sjlj' not allowed with
 157 // '-mllvm -enable-emscripten-cxx-exceptions'
 158 // RUN: not %clang -### --target=wasm32-unknown-unknown \
 159 // RUN:     --sysroot=/foo %s -mllvm -wasm-enable-sjlj \
 160 // RUN:     -mllvm -enable-emscripten-cxx-exceptions 2>&1 \
 161 // RUN:   | FileCheck -check-prefix=WASM_SJLJ_EMSCRIPTEN_EH %s
 162 // WASM_SJLJ_EMSCRIPTEN_EH: invalid argument '-mllvm -wasm-enable-sjlj' not allowed with '-mllvm -enable-emscripten-cxx-exceptions'
 163
 164 // '-mllvm -wasm-enable-sjlj' not allowed with '-mllvm -enable-emscripten-sjlj'
 165 // RUN: not %clang -### --target=wasm32-unknown-unknown \
 166 // RUN:     --sysroot=/foo %s -mllvm -wasm-enable-sjlj \
 167 // RUN:     -mllvm -enable-emscripten-sjlj 2>&1 \
 168 // RUN:   | FileCheck -check-prefix=WASM_SJLJ_EMSCRIPTEN_SJLJ %s
 169 // WASM_SJLJ_EMSCRIPTEN_SJLJ: invalid argument '-mllvm -wasm-enable-sjlj' not allowed with '-mllvm -enable-emscripten-sjlj'
 170
 171 // RUN: %clang -### %s -fsanitize=address --target=wasm32-unknown-emscripten 2>&1 | FileCheck -check-prefix=CHECK-ASAN-EMSCRIPTEN %s
 172 // CHECK-ASAN-EMSCRIPTEN: "-fsanitize=address"
 173 // CHECK-ASAN-EMSCRIPTEN: "-fsanitize-address-globals-dead-stripping"
 174
 175 // RUN: not %clang -### %s -fsanitize=function --target=wasm32-unknown-emscripten 2>&1 | FileCheck --check-prefix=FUNCTION %s
 176 // FUNCTION: error: unsupported option '-fsanitize=function' for target 'wasm32-unknown-emscripten'
 177
 178 // Basic exec-model tests.
 179
 180 // RUN: %clang -### %s --target=wasm32-unknown-unknown --sysroot=%s/no-sysroot-there -mexec-model=command 2>&1 \
 181 // RUN:   | FileCheck -check-prefix=CHECK-COMMAND %s
 182 // CHECK-COMMAND: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
 183 // CHECK-COMMAND: wasm-ld{{.*}}" "crt1.o" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
 184
 185 // RUN: %clang -### %s --target=wasm32-unknown-unknown --sysroot=%s/no-sysroot-there -mexec-model=reactor 2>&1 \
 186 // RUN:   | FileCheck -check-prefix=CHECK-REACTOR %s
 187 // CHECK-REACTOR: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
 188 // CHECK-REACTOR: wasm-ld{{.*}}" "crt1-reactor.o" "--entry" "_initialize" "[[temp]]" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
 189
 190 // -fPIC implies +mutable-globals
 191
 192 // RUN: %clang -### %s --target=wasm32-unknown-unknown --sysroot=%s/no-sysroot-there -fPIC 2>&1 \
 193 // RUN:   | FileCheck -check-prefix=CHECK-PIC %s
 194 // CHECK-PIC: "-cc1" {{.*}} "-target-feature" "+mutable-globals"
 195
 196 // '-mno-mutable-globals' is not allowed with '-fPIC'
 197 // RUN: not %clang -### %s --target=wasm32-unknown-unknown --sysroot=%s/no-sysroot-there -fPIC -mno-mutable-globals %s 2>&1 \
 198 // RUN:   | FileCheck -check-prefix=PIC_NO_MUTABLE_GLOBALS %s
 199 // PIC_NO_MUTABLE_GLOBALS: error: invalid argument '-fPIC' not allowed with '-mno-mutable-globals'