[PATCH] D132801: [driver] Additional ignoring of module-map related flags, if modules are disabled

[Argyrios Kyrtzidis via Phabricator via cfe-commits]

akyrtzi created this revision.
Herald added a project: All.
akyrtzi requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay.
Herald added a project: clang.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D132801

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/modules.m


Index: clang/test/Driver/modules.m
===================================================================
--- clang/test/Driver/modules.m
+++ clang/test/Driver/modules.m
@@ -80,3 +80,6 @@
 
 // RUN: %clang -fno-modules -fmodules-validate-system-headers -### %s 2>&1 | FileCheck -check-prefix=VALIDATE_SYSTEM_FLAG %s
 // VALIDATE_SYSTEM_FLAG-NOT: -fmodules-validate-system-headers
+
+// RUN: %clang -fno-modules -fmodule-map-file=module.modulemap -### %s 2>&1 | FileCheck -check-prefix=MODULE_MAP_FILE %s
+// MODULE_MAP_FILE-NOT: -fmodule-map-file
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -3726,25 +3726,29 @@
                      options::OPT_fno_modules_validate_input_files_content,
                      false))
       CmdArgs.push_back("-fvalidate-ast-input-files-content");
-  }
-
-  // -fmodule-name specifies the module that is currently being built (or
-  // used for header checking by -fmodule-maps).
-  Args.AddLastArg(CmdArgs, options::OPT_fmodule_name_EQ);
 
-  // -fmodule-map-file can be used to specify files containing module
-  // definitions.
-  Args.AddAllArgs(CmdArgs, options::OPT_fmodule_map_file);
-
-  // -fbuiltin-module-map can be used to load the clang
-  // builtin headers modulemap file.
-  if (Args.hasArg(options::OPT_fbuiltin_module_map)) {
-    SmallString<128> BuiltinModuleMap(D.ResourceDir);
-    llvm::sys::path::append(BuiltinModuleMap, "include");
-    llvm::sys::path::append(BuiltinModuleMap, "module.modulemap");
-    if (llvm::sys::fs::exists(BuiltinModuleMap))
-      CmdArgs.push_back(
-          Args.MakeArgString("-fmodule-map-file=" + BuiltinModuleMap));
+    // -fmodule-name specifies the module that is currently being built (or
+    // used for header checking by -fmodule-maps).
+    Args.AddLastArg(CmdArgs, options::OPT_fmodule_name_EQ);
+
+    // -fmodule-map-file can be used to specify files containing module
+    // definitions.
+    Args.AddAllArgs(CmdArgs, options::OPT_fmodule_map_file);
+
+    // -fbuiltin-module-map can be used to load the clang
+    // builtin headers modulemap file.
+    if (Args.hasArg(options::OPT_fbuiltin_module_map)) {
+      SmallString<128> BuiltinModuleMap(D.ResourceDir);
+      llvm::sys::path::append(BuiltinModuleMap, "include");
+      llvm::sys::path::append(BuiltinModuleMap, "module.modulemap");
+      if (llvm::sys::fs::exists(BuiltinModuleMap))
+        CmdArgs.push_back(
+            Args.MakeArgString("-fmodule-map-file=" + BuiltinModuleMap));
+    }
+  } else {
+    Args.ClaimAllArgs(options::OPT_fmodule_name_EQ);
+    Args.ClaimAllArgs(options::OPT_fmodule_map_file);
+    Args.ClaimAllArgs(options::OPT_fbuiltin_module_map);
   }
 
   // The -fmodule-file=<name>=<file> form specifies the mapping of module


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