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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.
43 lines
1.6 KiB
Plaintext
43 lines
1.6 KiB
Plaintext
// RUN: %target-swift-frontend %s -emit-ir | FileCheck %s
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// REQUIRES: objc_interop
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sil_stage canonical
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import Swift
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class Foo {}
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sil_vtable Foo {}
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sil @_TFC10objc_block3FooD : $Foo -> ()
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sil @call_block : $@convention(thin) (@convention(block) Foo -> Foo, Foo) -> Foo {
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entry(%b : $@convention(block) Foo -> Foo, %x : $Foo):
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%y = apply %b(%x) : $@convention(block) Foo -> Foo
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return %y : $Foo
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}
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// CHECK-LABEL: define{{( protected)?}} %C10objc_block3Foo* @call_block(%objc_block*, %C10objc_block3Foo*) {{.*}} {
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// CHECK: entry:
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// CHECK: %2 = getelementptr inbounds %objc_block, %objc_block* %0, i32 0, i32 3
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// CHECK: %3 = load i8*, i8** %2
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// CHECK: %4 = bitcast i8* %3 to i8* (%objc_block*, i8*)*
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// CHECK: %5 = bitcast %C10objc_block3Foo* %1 to i8*
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// CHECK: %6 = call i8* %4(%objc_block* %0, i8* %5)
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// CHECK: %7 = bitcast i8* %6 to %C10objc_block3Foo*
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// CHECK: ret %C10objc_block3Foo* %7
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// CHECK: }
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sil @generic : $@convention(thin) <T> (@in T) -> ()
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sil @generic_with_block : $@convention(thin) (@in @convention(block) () -> ()) -> () {
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entry(%b : $*@convention(block) () -> ()):
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%f = function_ref @generic : $@convention(thin) <T> (@in T) -> ()
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%z = apply %f<@convention(block) () -> ()>(%b) : $@convention(thin) <T> (@in T) -> ()
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return %z : $()
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}
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// CHECK-LABEL: define{{( protected)?}} void @generic_with_block(%objc_block** noalias nocapture dereferenceable({{.*}}))
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// -- 0x100_0001 = block convention, 1 arg
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// CHECK: call %swift.type* @swift_getFunctionTypeMetadata1([[WORD:i(64|32)]] 16777217
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