[PATCH] D143040: [Clang][DependencyScanner] Remove secondary actions from -cc1

[Michael Spencer via Phabricator via cfe-commits]

Bigcheese created this revision.
Bigcheese added a reviewer: jansvoboda11.
Bigcheese added a project: clang.
Herald added a subscriber: ributzka.
Herald added a project: All.
Bigcheese requested review of this revision.

The -arcmt-action= and -objcmt-migrate* actions were being passed to
module builds. This caused these builds to fail, as they are secondary
actions that suppress emitting modules.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D143040

Files:
  clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
  clang/test/ClangScanDeps/strip-input-args.m


Index: clang/test/ClangScanDeps/strip-input-args.m
===================================================================
--- /dev/null
+++ clang/test/ClangScanDeps/strip-input-args.m
@@ -0,0 +1,52 @@
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: sed -e "s|DIR|%/t|g" %t/cdb1.json.template > %t/cdb1.json
+
+// RUN: clang-scan-deps -compilation-database %t/cdb1.json -format 
experimental-full -mode preprocess-dependency-directives > %t/result1.txt
+
+// RUN: FileCheck %s -input-file %t/result1.txt
+
+// Verify that secondary actions get stripped, and that there's a single 
version
+// of module A.
+
+// CHECK:        "modules": [
+// CHECK-NEXT:     {
+// CHECK:            "command-line": [
+// CHECK-NOT:          "-arcmt-action=check"
+// CHECK-NOT:          "-objcmt-migrate-literals"
+// CHECK-NOT:          "-mt-migrate-directory"
+// CHECK:            ]
+// CHECK:            "name": "A"
+// CHECK:          }
+// CHECK-NOT:      "name"
+// CHECK:        "translation-units"
+
+//--- cdb1.json.template
+[
+  {
+    "directory": "DIR",
+    "command": "clang -Imodules/A -fmodules 
-fmodules-cache-path=DIR/module-cache -fimplicit-modules -fimplicit-module-maps 
-ccc-arcmt-check -fsyntax-only DIR/t1.m",
+    "file": "DIR/t1.m"
+  },
+  {
+    "directory": "DIR",
+    "command": "clang -Imodules/A -fmodules 
-fmodules-cache-path=DIR/module-cache -fimplicit-modules -fimplicit-module-maps 
-ccc-objcmt-migrate bob -fsyntax-only DIR/t2.m",
+    "file": "DIR/t2.m"
+  }
+]
+
+//--- modules/A/module.modulemap
+
+module A {
+  umbrella header "A.h"
+}
+
+//--- modules/A/A.h
+
+typedef int A_t;
+
+//--- t1.m
+@import A;
+
+//--- t2.m
+@import A;
Index: clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
===================================================================
--- clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
+++ clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
@@ -111,6 +111,9 @@
   CI.getDependencyOutputOpts().Targets.clear();
 
   CI.getFrontendOpts().ProgramAction = frontend::GenerateModule;
+  CI.getFrontendOpts().ARCMTAction = FrontendOptions::ARCMT_None;
+  CI.getFrontendOpts().ObjCMTAction = FrontendOptions::ObjCMT_None;
+  CI.getFrontendOpts().MTMigrateDir.clear();
   CI.getLangOpts()->ModuleName = Deps.ID.ModuleName;
   CI.getFrontendOpts().IsSystemModule = Deps.IsSystem;
 



Index: clang/test/ClangScanDeps/strip-input-args.m
===================================================================
--- /dev/null
+++ clang/test/ClangScanDeps/strip-input-args.m
@@ -0,0 +1,52 @@
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: sed -e "s|DIR|%/t|g" %t/cdb1.json.template > %t/cdb1.json
+
+// RUN: clang-scan-deps -compilation-database %t/cdb1.json -format experimental-full -mode preprocess-dependency-directives > %t/result1.txt
+
+// RUN: FileCheck %s -input-file %t/result1.txt
+
+// Verify that secondary actions get stripped, and that there's a single version
+// of module A.
+
+// CHECK:        "modules": [
+// CHECK-NEXT:     {
+// CHECK:            "command-line": [
+// CHECK-NOT:          "-arcmt-action=check"
+// CHECK-NOT:          "-objcmt-migrate-literals"
+// CHECK-NOT:          "-mt-migrate-directory"
+// CHECK:            ]
+// CHECK:            "name": "A"
+// CHECK:          }
+// CHECK-NOT:      "name"
+// CHECK:        "translation-units"
+
+//--- cdb1.json.template
+[
+  {
+    "directory": "DIR",
+    "command": "clang -Imodules/A -fmodules -fmodules-cache-path=DIR/module-cache -fimplicit-modules -fimplicit-module-maps -ccc-arcmt-check -fsyntax-only DIR/t1.m",
+    "file": "DIR/t1.m"
+  },
+  {
+    "directory": "DIR",
+    "command": "clang -Imodules/A -fmodules -fmodules-cache-path=DIR/module-cache -fimplicit-modules -fimplicit-module-maps -ccc-objcmt-migrate bob -fsyntax-only DIR/t2.m",
+    "file": "DIR/t2.m"
+  }
+]
+
+//--- modules/A/module.modulemap
+
+module A {
+  umbrella header "A.h"
+}
+
+//--- modules/A/A.h
+
+typedef int A_t;
+
+//--- t1.m
+@import A;
+
+//--- t2.m
+@import A;
Index: clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
===================================================================
--- clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
+++ clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
@@ -111,6 +111,9 @@
   CI.getDependencyOutputOpts().Targets.clear();
 
   CI.getFrontendOpts().ProgramAction = frontend::GenerateModule;
+  CI.getFrontendOpts().ARCMTAction = FrontendOptions::ARCMT_None;
+  CI.getFrontendOpts().ObjCMTAction = FrontendOptions::ObjCMT_None;
+  CI.getFrontendOpts().MTMigrateDir.clear();
   CI.getLangOpts()->ModuleName = Deps.ID.ModuleName;
   CI.getFrontendOpts().IsSystemModule = Deps.IsSystem;
 

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