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fdc43cf151
This changes layout of the `TargetFunctionTypeFlags` to allocate 8 bits for flags, 8 bits for convesion and 16 bits for number of parameters. Documentation is updated accordingly.
42 lines
1.8 KiB
Plaintext
42 lines
1.8 KiB
Plaintext
// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil %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 @_T010objc_block3FooCfD : $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)?}} swiftcc %T10objc_block3FooC* @call_block(%objc_block*, %T10objc_block3FooC*) {{.*}} {
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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 %T10objc_block3FooC* %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 %T10objc_block3FooC*
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// CHECK: ret %T10objc_block3FooC* %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)?}} swiftcc 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_getFunctionTypeMetadata([[WORD:i(32|64)]] 65536, %swift.type** null, i32* null, %swift.type* getelementptr inbounds (%swift.full_type, %swift.full_type* @_T0ytN, i32 0, i32 1))
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