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de78bba047
don't try the normal GetOrCreateLLVM. The latter could drop the weak atrtibute on the second reference, if there is no explicit declaration of the aliasee. llvm-svn: 166032
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
// RUN: %clang_cc1 -emit-llvm -triple i386-linux-gnu -o %t %s
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// RUN: FileCheck --input-file=%t %s
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// CHECK: declare extern_weak void @test1_f()
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void test1_f(void);
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static void test1_g(void) __attribute__((weakref("test1_f")));
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void test1_h(void) {
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test1_g();
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}
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// CHECK: define void @test2_f()
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void test2_f(void) {}
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static void test2_g(void) __attribute__((weakref("test2_f")));
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void test2_h(void) {
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test2_g();
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}
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// CHECK: declare void @test3_f()
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void test3_f(void);
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static void test3_g(void) __attribute__((weakref("test3_f")));
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void test3_foo(void) {
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test3_f();
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}
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void test3_h(void) {
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test3_g();
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}
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// CHECK: define void @test4_f()
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void test4_f(void);
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static void test4_g(void) __attribute__((weakref("test4_f")));
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void test4_h(void) {
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test4_g();
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}
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void test4_f(void) {}
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// CHECK: declare void @test5_f()
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void test5_f(void);
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static void test5_g(void) __attribute__((weakref("test5_f")));
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void test5_h(void) {
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test5_g();
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}
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void test5_foo(void) {
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test5_f();
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}
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// CHECK: declare extern_weak void @test6_f()
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void test6_f(void) __attribute__((weak));
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static void test6_g(void) __attribute__((weakref("test6_f")));
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void test6_h(void) {
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test6_g();
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}
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void test6_foo(void) {
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test6_f();
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}
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// CHECK: declare extern_weak void @test8_f()
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static void test8_g(void) __attribute__((weakref("test8_f")));
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void test8_h(void) {
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if (test8_g)
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test8_g();
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}
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// CHECK: declare extern_weak void @test7_f()
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void test7_f(void);
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static void test7_g(void) __attribute__((weakref("test7_f")));
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static void *const test7_zed = (void *) &test7_g;
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void* test7_h(void) {
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return test7_zed;
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}
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