diff options
Diffstat (limited to 'clang/test/CodeGenCXX/pr70585.cppm')
| -rw-r--r-- | clang/test/CodeGenCXX/pr70585.cppm | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/pr70585.cppm b/clang/test/CodeGenCXX/pr70585.cppm new file mode 100644 index 000000000000..ad4e13589d86 --- /dev/null +++ b/clang/test/CodeGenCXX/pr70585.cppm @@ -0,0 +1,47 @@ +// REQUIRES: !system-windows + +// RUN: rm -rf %t +// RUN: split-file %s %t +// RUN: cd %t +// +// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \ +// RUN: -emit-module-interface -o %t/foo-layer1.pcm +// RUN: %clang_cc1 -std=c++20 %t/layer2.cppm -triple %itanium_abi_triple \ +// RUN: -emit-module-interface -fmodule-file=foo:layer1=%t/foo-layer1.pcm \ +// RUN: -o %t/foo-layer2.pcm +// RUN: %clang_cc1 -std=c++20 %t/foo-layer1.pcm -emit-llvm -o - | FileCheck %t/layer1.cppm +// RUN: %clang_cc1 -std=c++20 %t/foo-layer2.pcm -emit-llvm -o - \ +// RUN: -fmodule-file=foo:layer1=%t/foo-layer1.pcm | FileCheck %t/layer2.cppm +// +// Check the case about emitting object files from sources directly. +// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \ +// RUN: -emit-llvm -o - | FileCheck %t/layer1.cppm +// RUN: %clang_cc1 -std=c++20 %t/layer2.cppm -triple %itanium_abi_triple -emit-llvm \ +// RUN: -fmodule-file=foo:layer1=%t/foo-layer1.pcm -o - | FileCheck %t/layer2.cppm + +//--- layer1.cppm +export module foo:layer1; +struct Fruit { + virtual ~Fruit() = default; + virtual void eval(); +}; + +// CHECK-DAG: @_ZTVW3foo5Fruit = unnamed_addr constant +// CHECK-DAG: @_ZTSW3foo5Fruit = constant +// CHECK-DAG: @_ZTIW3foo5Fruit = constant + +// Testing that: +// (1) The use of virtual functions won't produce the vtable. +// (2) The definition of key functions won't produce the vtable. +// +//--- layer2.cppm +export module foo:layer2; +import :layer1; +export void layer2_fun() { + Fruit *b = new Fruit(); + b->eval(); +} +void Fruit::eval() {} +// CHECK: @_ZTVW3foo5Fruit = external unnamed_addr constant +// CHECK-NOT: @_ZTSW3foo5Fruit +// CHECK-NOT: @_ZTIW3foo5Fruit |
