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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
128 lines
4.6 KiB
Plaintext
128 lines
4.6 KiB
Plaintext
// RUN: %target-swift-frontend %s -parse-sil -emit-module -module-name Swift -module-link-name swiftCore -parse-stdlib -parse-as-library -o - | %target-sil-opt -module-name Swift -emit-sorted-sil | %FileCheck %s
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sil_stage raw
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import Builtin
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// Check that bodies are not serialized for external functions.
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// CHECK-NOT: sil{{.*}}@pe : $@convention(thin) () -> () {
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// CHECK-NOT: sil{{.*}}@external_pe : $@convention(thin) () -> () {
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// CHECK-NOT: sil{{.*}}@he : $@convention(thin) () -> () {
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// CHECK-NOT: sil{{.*}}@external_he : $@convention(thin) () -> () {
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// CHECK-NOT: sil{{.*}}@se : $@convention(thin) () -> () {
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// Check that declarations are not serialized for external functions that are
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// not used, i.e. not referenced from serialized functions.
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// CHECK-NOT: sil{{.*}}@pe : $@convention(thin) () -> ()
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// CHECK-NOT: sil{{.*}}@external_pe : $@convention(thin) () -> ()
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// CHECK-NOT: sil{{.*}}@he : $@convention(thin) () -> ()
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// CHECK-NOT: sil{{.*}}@external_he : $@convention(thin) () -> ()
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// CHECK-NOT: sil{{.*}}@se : $@convention(thin) () -> ()
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// Check that declarations for shared external functions are not serialized,
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// because such functions should always have a serialized body.
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// CHECK-NOT: sil{{.*}}@se : $@convention(thin) () -> ()
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// Some functions are marked transparent to prevent ExternalDefsToDecls opt from
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// converting them into declarations.
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sil public_external @pe : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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sil public_external [transparent] @transparent_pe : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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sil hidden_external @he : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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sil hidden_external [transparent] @tranparent_he : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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sil shared_external @se : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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// Check that external non-shared functions are serialized only
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// if they are referenced from something reachable from non-external functions.
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// Since all these fN functions are referenced only from an external function,
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// do not serialize even their declrations.
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// CHECK-NOT: sil{{.*}}@fn1 : $@convention(thin) () -> ()
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sil public_external [noinline] @fn1 : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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// CHECK-NOT: sil{{.*}}@fn2: $@convention(thin) () -> ()
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sil public_external [noinline] @fn2 : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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// CHECK-NOT: sil{{.*}}@fn3 : $@convention(thin) () -> ()
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sil public_external [noinline] @fn3 : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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// CHECK-NOT: sil{{.*}}@fn4 : $@convention(thin) () -> ()
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sil public_external [noinline] @fn4 : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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// Emit the declaration of this function, because it is referenced from serialized
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// function use_external_functions.
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sil public_external [noinline] @used_external_fn : $@convention(thin) () -> () {
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%0 = tuple()
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return %0 : $()
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}
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// Do not serialize the body of this function, because it is public external.
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// But emit its declaration, because it is referenced from a body of serialized
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// fragile function.
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// There should be no body for this function.
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// CHECK-NOT: sil{{.*}}@public_external_fn : $@convention(thin) () -> () {
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// But declaration should be present.
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// CHECK: sil{{.*}}@public_external_fn : $@convention(thin) () -> ()
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sil public_external [noinline] @public_external_fn : $@convention(thin) () -> () {
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%0 = function_ref @fn1 : $@convention(thin) () -> ()
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%1 = apply %0 () : $@convention(thin) () -> ()
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%2 = function_ref @fn2 : $@convention(thin) () -> ()
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%3 = apply %2 () : $@convention(thin) () -> ()
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%4 = function_ref @fn3 : $@convention(thin) () -> ()
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%5 = apply %4 () : $@convention(thin) () -> ()
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%6 = function_ref @fn4 : $@convention(thin) () -> ()
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%7 = apply %6 () : $@convention(thin) () -> ()
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%10 = tuple()
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return %10 : $()
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}
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// The body of this fragile function has to be emitted.
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// CHECK-LABEL: sil{{.*}}@use_external_functions : $@convention(thin) () -> () {
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sil [serialized] @use_external_functions: $@convention(thin) () -> () {
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%0 = function_ref @public_external_fn : $@convention(thin) () -> ()
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%1 = apply %0 () : $@convention(thin) () -> ()
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%2 = function_ref @used_external_fn : $@convention(thin) () -> ()
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%3 = apply %2 () : $@convention(thin) () -> ()
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%4 = tuple()
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return %4 : $()
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}
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// There should be no body for this function.
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// CHECK-NOT: sil{{.*}}@used_external_fn : $@convention(thin) () -> () {
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// But declaration should be present.
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// CHECK: sil{{.*}}@used_external_fn : $@convention(thin) () -> ()
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