forked from OSchip/llvm-project
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// This test checks if internal linkage symbols get unique names with
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// -funique-internal-linkage-names option.
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// RUN: %clang_cc1 -triple x86_64 -x c++ -S -emit-llvm -o - < %s | FileCheck %s --check-prefix=PLAIN
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// RUN: %clang_cc1 -triple x86_64 -x c++ -S -emit-llvm -funique-internal-linkage-names -o - < %s | FileCheck %s --check-prefix=UNIQUE
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static int glob;
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static int foo() {
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return 0;
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}
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int (*bar())() {
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return foo;
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}
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int getGlob() {
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return glob;
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}
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// Function local static variable and anonymous namespace namespace variable.
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namespace {
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int anon_m;
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int getM() {
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return anon_m;
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}
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} // namespace
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int retAnonM() {
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static int fGlob;
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return getM() + fGlob;
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}
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// Multiversioning symbols
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__attribute__((target("default"))) static int mver() {
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return 0;
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}
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__attribute__((target("sse4.2"))) static int mver() {
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return 1;
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}
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int mver_call() {
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return mver();
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}
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namespace {
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class A {
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public:
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A() {}
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~A() {}
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};
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}
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void test() {
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A a;
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}
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// PLAIN: @_ZL4glob = internal global
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// PLAIN: @_ZZ8retAnonMvE5fGlob = internal global
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// PLAIN: @_ZN12_GLOBAL__N_16anon_mE = internal global
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// PLAIN: define internal i32 @_ZL3foov()
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// PLAIN: define internal i32 @_ZN12_GLOBAL__N_14getMEv
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// PLAIN: define weak_odr i32 ()* @_ZL4mverv.resolver()
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// PLAIN: define internal void @_ZN12_GLOBAL__N_11AC1Ev
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// PLAIN: define internal void @_ZN12_GLOBAL__N_11AD1Ev
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// PLAIN: define internal i32 @_ZL4mverv()
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// PLAIN: define internal i32 @_ZL4mverv.sse4.2()
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// PLAIN-NOT: "sample-profile-suffix-elision-policy"
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// UNIQUE: @_ZL4glob = internal global
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// UNIQUE: @_ZZ8retAnonMvE5fGlob = internal global
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// UNIQUE: @_ZN12_GLOBAL__N_16anon_mE = internal global
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// UNIQUE: define internal i32 @_ZL3foov.[[MODHASH:__uniq.[0-9]+]]() #[[#ATTR:]] {
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// UNIQUE: define internal i32 @_ZN12_GLOBAL__N_14getMEv.[[MODHASH]]
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// UNIQUE: define weak_odr i32 ()* @_ZL4mverv.[[MODHASH]].resolver()
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// UNIQUE: define internal void @_ZN12_GLOBAL__N_11AC1Ev.__uniq.68358509610070717889884130747296293671
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// UNIQUE: define internal void @_ZN12_GLOBAL__N_11AD1Ev.__uniq.68358509610070717889884130747296293671
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// UNIQUE: define internal i32 @_ZL4mverv.[[MODHASH]]()
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// UNIQUE: define internal i32 @_ZL4mverv.[[MODHASH]].sse4.2
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// UNIQUE: attributes #[[#ATTR]] = { {{.*}}"sample-profile-suffix-elision-policy"{{.*}} }
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