255a163e51
As documented in 20.x, we'd like to keep reduced BMI off by default for 1~2 versions. And now we're in 22.x. I rarely receive bug reports for reduced BMI. I am not sure about the reason. Maybe not a lot of people are using it. Or it is really stable enough. And also, we've been enabling the reduced BMI internally for roughly half a year. So I think it's the time to move on. See the document changes for other information.
49 lines
2.0 KiB
C++
49 lines
2.0 KiB
C++
// RUN: rm -rf %t
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// RUN: mkdir %t
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// RUN: split-file %s %t
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// Check compiling a module interface to a .pcm file.
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//
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// RUN: %clang -std=c++2a -x c++-module --precompile %t/foo.cpp -o %t/foo.pcm -v 2>&1 | FileCheck %s --check-prefix=CHECK-PRECOMPILE
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// RUN: %clang -std=gnu++2a -x c++-module --precompile %t/foo.cpp -o %t/foo-gnu.pcm -v 2>&1 | FileCheck %s --check-prefix=CHECK-PRECOMPILE
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//
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// CHECK-PRECOMPILE: -cc1 {{.*}} -emit-module-interface
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// CHECK-PRECOMPILE-SAME: -o {{.*}}.pcm
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// CHECK-PRECOMPILE-SAME: -x c++
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// CHECK-PRECOMPILE-SAME: foo.cpp
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// Check compiling a .pcm file to a .o file.
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//
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// RUN: %clang -std=c++2a %t/foo.pcm -S -o %t/foo.pcm.o -v 2>&1 | FileCheck %s --check-prefix=CHECK-COMPILE
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//
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// CHECK-COMPILE: -cc1 {{.*}} {{-emit-obj|-S}}
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// CHECK-COMPILE-SAME: -o {{.*}}foo{{2*}}.pcm.o
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// CHECK-COMPILE-SAME: -x pcm
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// CHECK-COMPILE-SAME: {{.*}}.pcm
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// Check use of a .pcm file in another compilation.
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//
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// RUN: %clang -std=c++2a -fmodule-file=foo=%t/foo.pcm %t/foo_impl.cpp -S -o %t/module.o -v 2>&1 | FileCheck %s --check-prefix=CHECK-USE
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// RUN: %clang -std=c++20 -fmodule-file=foo=%t/foo.pcm %t/foo_impl.cpp -S -o %t/module.o -v 2>&1 | FileCheck %s --check-prefix=CHECK-USE
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// RUN: %clang -std=gnu++20 -fmodule-file=foo=%t/foo-gnu.pcm %t/foo_impl.cpp -S -o %t/module.o -v 2>&1 | FileCheck %s --check-prefix=CHECK-USE
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//
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// CHECK-USE: -cc1 {{.*}} {{-emit-obj|-S}}
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// CHECK-USE-SAME: -fmodule-file=foo={{.*}}.pcm
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// CHECK-USE-SAME: -o {{.*}}.{{o|s}}{{"?}} {{.*}}-x c++
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// CHECK-USE-SAME: foo_impl.cpp
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// Check combining precompile and compile steps works.
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//
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// RUN: %clang -std=c++2a -x c++-module -fno-modules-reduced-bmi %t/foo.cpp -S -o %t/foo2.pcm.o -v 2>&1 | FileCheck %s --check-prefix=CHECK-PRECOMPILE --check-prefix=CHECK-COMPILE
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// Check that .cppm is treated as a module implicitly.
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//
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// RUN: cp %t/foo.cpp %t/foo.cppm
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// RUN: %clang -std=c++2a --precompile %t/foo.cppm -o %t/foo.pcm -v 2>&1 | FileCheck %s --check-prefix=CHECK-PRECOMPILE
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//--- foo.cpp
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export module foo;
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//--- foo_impl.cpp
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module foo;
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