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4858cb6225
The use of 'nocapture' for parameters and return values is incorrect for C++ types, as they can actually capture a pointer into its own value (e.g. std::string in libstdc++) rdar://115062687
60 lines
7.7 KiB
Plaintext
60 lines
7.7 KiB
Plaintext
// RUN: %target-swift-frontend -emit-ir %s | %FileCheck %s
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import Builtin
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struct Huge { var x, y, z, w, a, b, c, d, e, f: Builtin.Int32 }
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// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @arguments_in_def(ptr nocapture dereferenceable(4) %0, ptr noalias nocapture dereferenceable(4) %1, ptr noalias nocapture dereferenceable(4) %2, ptr noalias nocapture dereferenceable(40) %3, ptr noalias %4, ptr noalias nocapture %5, ptr %T)
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sil @arguments_in_def : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> () {
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entry(%1 : $*Builtin.Int32, %2 : $*Builtin.Int32, %3 : $*Builtin.Int32, %4 : $Huge, %5 : $*T, %6 : $*()):
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// CHECK: call swiftcc void @arguments_in_decl(ptr nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(40) {{%.*}}, ptr noalias {{%.*}}, ptr noalias nocapture {{%.*}}, ptr %T)
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%f = function_ref @arguments_in_decl : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> ()
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%x = apply %f<T>(%1, %2, %3, %4, %5, %6) : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> ()
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// CHECK: call swiftcc void @arguments_in_def(ptr nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(40) {{%.*}}, ptr noalias {{%.*}}, ptr noalias nocapture {{%.*}}, ptr %T)
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%g = function_ref @arguments_in_def : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> ()
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%y = apply %g<T>(%1, %2, %3, %4, %5, %6) : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> ()
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return undef : $()
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}
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// CHECK-LABEL: declare{{( dllimport)?}} swiftcc void @arguments_in_decl(ptr nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(40), ptr noalias, ptr noalias nocapture, ptr)
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sil @arguments_in_decl : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> ()
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// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @arguments_in_def_out(ptr noalias nocapture sret({{.*}}) %0, ptr nocapture dereferenceable(4) %1, ptr noalias nocapture dereferenceable(4) %2, ptr noalias nocapture dereferenceable(4) %3, ptr noalias nocapture dereferenceable(40) %4, ptr noalias %5, ptr noalias nocapture %6, ptr %T)
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sil @arguments_in_def_out : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> @out Builtin.Int32 {
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entry(%0 : $*Builtin.Int32, %1 : $*Builtin.Int32, %2 : $*Builtin.Int32, %3 : $*Builtin.Int32, %4 : $Huge, %5 : $*T, %6 : $*()):
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// CHECK: call swiftcc void @arguments_in_decl_out(ptr noalias nocapture sret({{.*}}) {{%.*}}, ptr nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(40) {{%.*}}, ptr noalias {{%.*}}, ptr noalias nocapture {{%.*}}, ptr {{%.*}})
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%f = function_ref @arguments_in_decl_out : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> @out Builtin.Int32
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%x = apply %f<T>(%0, %1, %2, %3, %4, %5, %6) : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> @out Builtin.Int32
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// CHECK: call swiftcc void @arguments_in_def_out(ptr noalias nocapture sret({{.*}}) {{%.*}}, ptr nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(40) {{%.*}}, ptr noalias {{%.*}}, ptr noalias nocapture {{%.*}}, ptr {{%.*}})
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%g = function_ref @arguments_in_def_out : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> @out Builtin.Int32
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%y = apply %g<T>(%0, %1, %2, %3, %4, %5, %6) : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> @out Builtin.Int32
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return undef : $()
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}
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// CHECK-LABEL: declare{{( dllimport)?}} swiftcc void @arguments_in_decl_out(ptr noalias nocapture sret({{.*}}), ptr nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(40), ptr noalias, ptr noalias nocapture, ptr)
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sil @arguments_in_decl_out : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> @out Builtin.Int32
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// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @arguments_in_def_huge_ret(ptr noalias nocapture sret({{.*}}V) %0, ptr nocapture dereferenceable(4) %1, ptr noalias nocapture dereferenceable(4) %2, ptr noalias nocapture dereferenceable(4) %3, ptr noalias nocapture dereferenceable(40) %4, ptr noalias %5, ptr noalias nocapture %6, ptr %T)
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sil @arguments_in_def_huge_ret : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> Huge {
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entry(%1 : $*Builtin.Int32, %2 : $*Builtin.Int32, %3 : $*Builtin.Int32, %4 : $Huge, %5 : $*T, %6 : $*()):
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%f = function_ref @arguments_in_decl_huge_ret : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> Huge
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// CHECK: call swiftcc void @arguments_in_decl_huge_ret(ptr noalias nocapture sret({{.*}}) {{%.*}}, ptr nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(40) {{%.*}}, ptr noalias {{%.*}}, ptr noalias nocapture {{%.*}}, ptr {{%.*}})
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%x = apply %f<T>(%1, %2, %3, %4, %5, %6) : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> Huge
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// CHECK: call swiftcc void @arguments_in_def_huge_ret(ptr noalias nocapture sret({{.*}}) {{%.*}}, ptr nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(4) {{%.*}}, ptr noalias nocapture dereferenceable(40) {{%.*}}, ptr noalias {{%.*}}, ptr noalias nocapture {{%.*}}, ptr {{%.*}})
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%g = function_ref @arguments_in_def_huge_ret : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> Huge
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%y = apply %g<T>(%1, %2, %3, %4, %5, %6) : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> Huge
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return %y : $Huge
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}
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// CHECK-LABEL: declare{{( dllimport)?}} swiftcc void @arguments_in_decl_huge_ret(ptr noalias nocapture sret({{.*}}), ptr nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(4), ptr noalias nocapture dereferenceable(40), ptr noalias, ptr noalias nocapture, ptr)
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sil @arguments_in_decl_huge_ret : $@convention(thin) <T> (@inout Builtin.Int32, @in Builtin.Int32, @in_guaranteed Builtin.Int32, Huge, @in T, @in ()) -> Huge
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// rdar://problem/24727411 - Incorrect 'sret({{.*}})' attribute applied to function with multiple indirect
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// returns, causing problems when calling runtime functions
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sil @multiple_out_params : $@convention(thin) <T, U> () -> (@out T, @out U) {
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bb0(%0 : $*T, %1 : $*U):
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%result = tuple ()
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return %result : $()
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}
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