1 files changed, 137 insertions, 0 deletions
diff --git a/llvm/utils/gn/secondary/lld/test/BUILD.gn b/llvm/utils/gn/secondary/lld/test/BUILD.gn
new file mode 100644
index 00000000000..7178ce86278
--- /dev/null
+++ b/llvm/utils/gn/secondary/lld/test/BUILD.gn
@@ -0,0 +1,137 @@
+import("//llvm/lib/DebugInfo/PDB/enable_dia.gni")
+import("//llvm/triples.gni")
+import("//llvm/utils/gn/build/libs/xml/enable.gni")
+import("//llvm/utils/gn/build/libs/zlib/enable.gni")
+import("lld_lit_site_cfg_files.gni")
+
+# The bits common to writing lit.site.cfg.py.in and Unit/lit.site.cfg.py.in.
+template("write_lit_cfg") {
+  action(target_name) {
+    script = "//llvm/utils/gn/build/write_cmake_config.py"
+
+    sources = [
+      invoker.input,
+    ]
+    outputs = [
+      invoker.output,
+    ]
+
+    args = [
+      "-o",
+      rebase_path(outputs[0], root_out_dir),
+      rebase_path(sources[0], root_out_dir),
+
+      "LIT_SITE_CFG_IN_HEADER=## Autogenerated from ${sources[0]}, do not edit",
+      "LLD_BINARY_DIR=" +
+          rebase_path(get_label_info("//lld", "target_out_dir")),
+      "LLD_SOURCE_DIR=" + rebase_path("//lld"),
+      "LLVM_BINARY_DIR=" +
+          rebase_path(get_label_info("//llvm", "target_out_dir")),
+      "LLVM_LIBRARY_OUTPUT_INTDIR=",  # FIXME: for shared builds only (?)
+      "LLVM_LIBS_DIR=",  # needed only for shared builds
+      "LLVM_LIT_TOOLS_DIR=",  # Intentionally empty, matches cmake build.
+      "LLVM_RUNTIME_OUTPUT_INTDIR=" + rebase_path("$root_out_dir/bin"),
+      "LLVM_SOURCE_DIR=" + rebase_path("//llvm"),
+      "LLVM_TOOLS_DIR=" + rebase_path("$root_out_dir/bin"),
+      "PYTHON_EXECUTABLE=$python_path",
+      "TARGET_TRIPLE=$llvm_target_triple",
+    ]
+    args += invoker.extra_args
+  }
+}
+
+write_lit_cfg("lit_site_cfg") {
+  # Fully-qualified instead of relative for LIT_SITE_CFG_IN_HEADER.
+  input = "//lld/test/lit.site.cfg.py.in"
+  output = lld_lit_site_cfg_file
+
+  extra_args = []
+  if (llvm_enable_dia_sdk) {
+    extra_args += [ "LLVM_ENABLE_DIA_SDK=1" ]
+  } else {
+    extra_args += [ "LLVM_ENABLE_DIA_SDK=0" ]  # Must be 0.
+  }
+
+  if (llvm_enable_libxml2) {
+    extra_args += [ "LLVM_LIBXML2_ENABLED=1" ]
+  } else {
+    extra_args += [ "LLVM_LIBXML2_ENABLED=" ]  # Must be empty.
+  }
+
+  if (llvm_enable_zlib) {
+    extra_args += [ "HAVE_LIBZ=1" ]
+  } else {
+    extra_args += [ "HAVE_LIBZ=0" ]  # Must be 0.
+  }
+}
+
+write_lit_cfg("lit_unit_site_cfg") {
+  # Fully-qualified instead of relative for LIT_SITE_CFG_IN_HEADER.
+  input = "//lld/test/Unit/lit.site.cfg.py.in"
+  output = lld_lit_unit_site_cfg_file
+  extra_args = [ "LLVM_BUILD_MODE=." ]
+}
+
+# This target should contain all dependencies of check-lld.
+# //:default depends on it, so that ninja's default target builds all
+# prerequisites for check-lld but doesn't run check-lld itself.
+group("test") {
+  deps = [
+    ":lit_site_cfg",
+    ":lit_unit_site_cfg",
+    "//lld/tools/lld:symlinks",
+    "//llvm/tools/llc",
+    "//llvm/tools/llvm-ar:symlinks",
+    "//llvm/tools/llvm-as",
+    "//llvm/tools/llvm-bcanalyzer",
+    "//llvm/tools/llvm-dis",
+    "//llvm/tools/llvm-dwarfdump",
+    "//llvm/tools/llvm-mc",
+    "//llvm/tools/llvm-nm:symlinks",
+    "//llvm/tools/llvm-objcopy:symlinks",
+    "//llvm/tools/llvm-objdump:symlinks",
+    "//llvm/tools/llvm-pdbutil",
+    "//llvm/tools/llvm-readobj:symlinks",
+    "//llvm/tools/obj2yaml",
+    "//llvm/tools/opt",
+    "//llvm/tools/yaml2obj",
+    "//llvm/utils/FileCheck",
+    "//llvm/utils/count",
+    "//llvm/utils/llvm-lit",
+    "//llvm/utils/not",
+  ]
+  testonly = true
+
+  # FIXME: Add dep on "//lld/unittests" target once it exists.
+}
+
+# This is the action that runs all of lld's tests, check-lld.
+action("check-lld") {
+  script = "$root_out_dir/bin/llvm-lit"
+  if (host_os == "win") {
+    script += ".py"
+  }
+  args = [
+    "-sv",
+    "--param",
+    "lld_site_config=" + rebase_path(lld_lit_site_cfg_file, root_out_dir),
+    "--param",
+    "lld_unit_site_config=" +
+        rebase_path(lld_lit_unit_site_cfg_file, root_out_dir),
+    rebase_path(".", root_out_dir),
+  ]
+  outputs = [
+    "$target_gen_dir/run-lit",  # Non-existing, so that ninja runs it each time.
+  ]
+
+  # Since check-lld is always dirty, //:default doesn't depend on it so that
+  # it's not part of the default ninja target.  Hence, check-lld shouldn't
+  # have any deps except :test, so that the default target is sure to build
+  # all the deps.
+  deps = [
+    ":test",
+  ]
+  testonly = true
+
+  pool = "//:console"
+}