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d3b75c4750
Both options do not affect the AST content that is serialized into the PCM. This
commit includes the following changes:
1.) Mark `-fvisibility={}` and `-ftype-visibility={}` as benign options.That
means they are no longer considered part of the module hash, which can
reduce the number of module variants.
2.) Add a test to verify the generated LLVM IR is not affected by the default
visibiliy mode in the module.
3.) Add a test to clang-scan-deps to ensure only one module is build, even if
the above mentioned options are used.
This fixes rdar://118246054.
41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
// Test that modules with different visibility mode can be shared.
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// REQUIRES: aarch64-registered-target
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// RUN: rm -rf %t && mkdir %t
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// RUN: split-file %s %t
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// RUN: %clang_cc1 -triple arm64e-apple-macos -x c++ -fvisibility=default -fmodules-codegen -fmodules -emit-module -fmodule-name=foo %t/foo.modulemap -o %t/foo.pcm
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// RUN: %clang_cc1 -emit-llvm %t/foo.pcm -o - | FileCheck %s --check-prefix=DEF
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// RUN: %clang_cc1 -triple arm64e-apple-macos -x c++ -fvisibility=hidden -fmodules -fmodule-file=%t/foo.pcm -I%t -emit-llvm %t/test.cpp -o - | FileCheck %s --check-prefixes=USE
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// DEF: define void @_Z2f4v()
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// DEF: define weak_odr void @_Z2f3v()
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// USE: define hidden void @_Z4testv()
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// USE: declare void @_Z2f1v()
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// USE: define internal void @_ZL2f2v()
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// USE: declare void @_Z2f3v()
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// USE: declare void @_Z2f4v()
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//--- foo.h
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void f1();
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static void f2() {}
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inline void f3() {}
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void f4() {}
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//--- test.cpp
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#include "foo.h"
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void test() {
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f1();
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f2();
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f3();
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f4();
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}
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//--- foo.modulemap
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module foo { header "foo.h" }
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