| // RUN: %target-swift-frontend -parse-as-library -emit-ir %s | FileCheck %s |
| // RUN: %target-swift-frontend -parse-as-library -O -emit-ir %s | FileCheck --check-prefix=OPT-CHECK %s |
| |
| // Test that runtime functions are invoked using the new calling convention. |
| // Test that wrappers are used to invoked them. |
| |
| // TODO: Once the PreserveRegistersCC calling convention is enabled, check that it is really used. |
| |
| public class C { |
| } |
| |
| // CHECK-LABEL: define {{(protected )?}}void @_TF27runtime_calling_conventions3fooFCS_1CT_(%C27runtime_calling_conventions1C*) |
| // Check that runtime functions use a proper calling convention. |
| // CHECK: call void {{.*}} @rt_swift_release |
| |
| // OPT-CHECK-LABEL: define {{(protected )?}}void @_TF27runtime_calling_conventions3fooFCS_1CT_(%C27runtime_calling_conventions1C*) |
| // Check that runtime functions use a proper calling convention. |
| // OPT-CHECK: tail call void @rt_swift_release |
| |
| public func foo(_ c: C) { |
| } |
| |
| // Check that wrappers were generated, have a proper calling convention, linkage |
| // and linkonce_odr flags. |
| |
| // CHECK: define linkonce_odr hidden void @rt_swift_release(%swift.refcounted*) #[[ATTR_REF:[0-9]+]] |
| // CHECK: load void (%swift.refcounted*)*, void (%swift.refcounted*)** @_swift_release |
| // CHECK-NEXT: tail call void %load(%swift.refcounted* %0) |
| // CHECK-NEXT: ret void |
| // CHECK: attributes #[[ATTR_REF]] = { noinline nounwind } |
| |
| // OPT-CHECK: define linkonce_odr hidden void @rt_swift_release(%swift.refcounted*) #[[ATTR_REF:[0-9]+]] |
| // OPT-CHECK: load void (%swift.refcounted*)*, void (%swift.refcounted*)** @_swift_release |
| // OPT-CHECK-NEXT: tail call void %load(%swift.refcounted* %0) |
| // OPT-CHECK-NEXT: ret void |
| // OPT-CHECK: attributes #[[ATTR_REF]] = { noinline nounwind } |
