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8cb1175e49
This prevents the linker from trying to emit relative relocations to locally-defined public symbols into dynamic libraries, which gives ld.so heartache.
32 lines
1.4 KiB
Plaintext
32 lines
1.4 KiB
Plaintext
// RUN: %target-swift-frontend -emit-ir %s | FileCheck %s
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import Swift
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// CHECK-LABEL: define{{( protected)?}} void @c_native_function_pointer(void ()*)
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sil @c_native_function_pointer : $@convention(c) (@convention(c) () -> ()) -> () {
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entry(%f : $@convention(c) () -> ()):
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return undef : $()
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}
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// CHECK-LABEL: define{{( protected)?}} void @call_with_native_c_function_pointer(i8*)
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sil @call_with_native_c_function_pointer : $@convention(thin) (@convention(c) () -> ()) -> () {
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entry(%f : $@convention(c) () -> ()):
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%c = function_ref @c_native_function_pointer : $@convention(c) (@convention(c) () -> ()) -> ()
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%z = apply %c(%f) : $@convention(c) (@convention(c) () -> ()) -> ()
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return %z : $()
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}
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// CHECK-LABEL: define{{( protected)?}} %swift.type* @c_function_pointer_metadata()
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sil @c_function_pointer_metadata : $@convention(thin) () -> @thick Any.Type {
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entry:
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// CHECK: call %swift.type* @_TMacT_T_()
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%m = metatype $@thick (@convention(c) () -> ()).Type
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%a = init_existential_metatype %m : $@thick (@convention(c) () -> ()).Type, $@thick Any.Type
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return %a : $@thick Any.Type
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}
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// CHECK-LABEL: define linkonce_odr hidden %swift.type* @_TMacT_T_()
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// -- 0x3000001 -- C convention, 1 argument
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// CHECK: call %swift.type* @swift_getFunctionTypeMetadata1([[WORD:i(32|64)]] 50331649
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