https://github.com/googlewalt updated
https://github.com/llvm/llvm-project/pull/75827
>From eefa77a7cc7c671ef1551239e473f0267527dfa3 Mon Sep 17 00:00:00 2001
From: Walter Lee <wa...@google.com>
Date: Mon, 18 Dec 2023 11:41:43 -0500
Subject: [PATCH] Add tests for driver to propagate module map flags when
-fno-modules
We rely on this behavior for layering check. Xcode 14.3.1 seems to
have dropped these flags so we are creating a unit test to reproduce
the issue.
---
clang/test/Driver/modules.m | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/clang/test/Driver/modules.m b/clang/test/Driver/modules.m
index 9eb3569805569a..7b215bb6d870d6 100644
--- a/clang/test/Driver/modules.m
+++ b/clang/test/Driver/modules.m
@@ -57,6 +57,14 @@
// CHECK-MODULE-MAP-FILES: "-fmodule-map-file=foo.map"
// CHECK-MODULE-MAP-FILES: "-fmodule-map-file=bar.map"
+// Verify that the driver propagates -fmodule-name and -fmodule-map-file flags
even with
+// -fno-modules. We rely on this behavior for layering check.
+// RUN: %clang -fno-modules -fmodule-name=foo -c -### %s 2>&1 | FileCheck
-check-prefix=CHECK-PROPAGATE-MODULE-NAME %s
+// CHECK-PROPAGATE-MODULE-NAME: -fmodule-name=foo
+
+// RUN: %clang -fno-modules -fmodule-map-file=foo.map -c -### %s 2>&1 |
FileCheck -check-prefix=CHECK-PROPAGATE-MODULE-MAPS %s
+// CHECK-PROPAGATE-MODULE-MAPS: -fmodule-map-file=foo.map
+
// RUN: %clang -fmodules -fbuiltin-module-map -### %s 2>&1 | FileCheck
-check-prefix=CHECK-BUILTIN-MODULE-MAP %s
// CHECK-BUILTIN-MODULE-MAP: "-fmodules"
// CHECK-BUILTIN-MODULE-MAP:
"-fmodule-map-file={{.*}}include{{/|\\\\}}module.modulemap"
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