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4fcbd692bb
To hide a symbol in the sense of making it DSO-local. An `export` visibility is stronger and overrides the UDA. On non-Windows, also newly hide symbols (without `export`) with linkonce_odr etc. linkage.
44 lines
1.2 KiB
D
44 lines
1.2 KiB
D
// Non-Windows: test generated IR for -fvisibility / `export` / @hidden combinations.
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// UNSUPPORTED: Windows
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// RUN: %ldc -fvisibility=public -output-ll -of=%t_public.ll %s
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// RUN: FileCheck %s --check-prefix=PUBLIC --check-prefix=COMMON < %t_public.ll
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// RUN: %ldc -fvisibility=hidden -output-ll -of=%t_hidden.ll %s
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// RUN: FileCheck %s --check-prefix=HIDDEN --check-prefix=COMMON < %t_hidden.ll
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import ldc.attributes : hidden;
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extern(C):
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export
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{
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// COMMON-DAG: @exportedGlobal = global i32
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__gshared int exportedGlobal;
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// COMMON-DAG: define void @exportedFunc()
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void exportedFunc() {}
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}
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// PUBLIC-DAG: @global = global i32
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// HIDDEN-DAG: @global = hidden global i32
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__gshared int global;
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// PUBLIC-DAG: define void @func()
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// HIDDEN-DAG: define hidden void @func()
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void func() {}
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@hidden
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{
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// COMMON-DAG: @hiddenGlobal = hidden global i32
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__gshared int hiddenGlobal;
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// COMMON-DAG: define hidden void @hiddenFunc()
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void hiddenFunc() {}
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export
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{
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// COMMON-DAG: @exportedHiddenGlobal = global i32
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__gshared int exportedHiddenGlobal;
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// COMMON-DAG: define void @exportedHiddenFunc()
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void exportedHiddenFunc() {}
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}
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}
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