[concurrency] Use the previous commit to change an IR test to a LoweredSIL test case.

This just makes the test more cross platform since we do not have to look at
differing codegen due to IRGen ABI level considerations.

rdar://138845396

Author: gottesmm

test/Concurrency/hoptomainactorifneeded.swift

@@ -1,5 +1,5 @@
 // RUN: %target-swift-frontend -swift-version 6 -enable-experimental-feature GenerateForceToMainActorThunks -import-objc-header %S/Inputs/hoptomainactorifneeded.h -emit-silgen %s | %FileCheck %s
-// RUN: %target-swift-frontend -swift-version 6 -enable-experimental-feature GenerateForceToMainActorThunks -import-objc-header %S/Inputs/hoptomainactorifneeded.h -emit-ir %s | %FileCheck -check-prefix=IR %s
+// RUN: %target-swift-frontend -swift-version 6 -enable-experimental-feature GenerateForceToMainActorThunks -import-objc-header %S/Inputs/hoptomainactorifneeded.h -emit-lowered-sil %s | %FileCheck -check-prefix=LOWERED %s
 
 // READ THIS: This test validates that basic lowering of hop to main actor if
 // needed works. For fuller tests that validate that things actually hop, see
@@ -26,40 +26,28 @@
 
 // Check that we actually emit the thunk and call taskRunOnMainActor.
 //
-// IR-LABEL: define linkonce_odr hidden swiftcc void @"$s22hoptomainactorifneeded11testClosureyyYaFTTH"(ptr %0, ptr %1)
-// IR-NEXT: entry:
-// IR-NEXT:   call swiftcc void @"$ss19_taskRunOnMainActor9operationyyyScMYcc_tF"(ptr %0, ptr %1)
-// IR-NEXT:   ret void
-// IR-NEXT: }
-
-// Test Closure. We just hop onto the main actor.
-// IR-LABEL: define hidden swifttailcc void @"$s22hoptomainactorifneeded11testClosureyyYaF"(ptr swiftasync %0)
-// IR: musttail call swifttailcc void @swift_task_switch(ptr swiftasync {{%.*}}, ptr @"$s22hoptomainactorifneeded11testClosureyyYaFTY0_",
-
-// After we hop onto the main actor, we store the partial apply forwarder to the
-// hop to main actor closure.
-//
-// IR: define internal swifttailcc void @"$s22hoptomainactorifneeded11testClosureyyYaFTY0_"(ptr swiftasync [[ASYNC_CONTEXT:%.*]])
-// IR: %async.ctx.frameptr = getelementptr inbounds i8, ptr [[ASYNC_CONTEXT]], i32 16
-// IR: [[FUNC1:%.*]] = getelementptr inbounds %"$s22hoptomainactorifneeded11testClosureyyYaF.Frame", ptr %async.ctx.frameptr, i32 0, i32 0
-// IR: [[FUNC2:%.*]] = getelementptr inbounds { %objc_block, %swift.function }, ptr [[FUNC1]], i32 0, i32 1
-// IR: [[FUNC3:%.*]] = getelementptr inbounds %swift.function, ptr [[FUNC2]], i32 0, i32 0
-// IR: store ptr @"$s22hoptomainactorifneeded11testClosureyyYaFTTHTA", ptr [[FUNC3]]
-
-// In the partial apply forwarder, we need to call the actual hop to main actor
-// thunk.
-//
-// IR: define internal swiftcc void @"$s22hoptomainactorifneeded11testClosureyyYaFTTHTA"(ptr swiftself [[FRAME:%.*]])
-// IR-NEXT: entry:
-// IR-NEXT: [[FRAME_GEP:%.*]] = getelementptr inbounds <{ %swift.refcounted, %swift.function }>, ptr [[FRAME]], i32 0, i32 1
-// IR-NEXT: [[FUNC2:%.*]] = getelementptr inbounds %swift.function, ptr [[FRAME_GEP]], i32 0, i32 0
-// IR-NEXT: [[FUNC2_LOADED:%.*]] = load ptr, ptr [[FUNC2]]
-// IR-NEXT: [[DATA:%.*]] = getelementptr inbounds %swift.function, ptr [[FRAME_GEP]]
-// IR-NEXT: [[DATA_LOADED:%.*]] = load ptr, ptr [[DATA]]
-// IR-NEXT: tail call swiftcc void @"$s22hoptomainactorifneeded11testClosureyyYaFTTH"(ptr [[FUNC2_LOADED]], ptr [[DATA_LOADED]])
-// IR-NEXT: ret void
-// IR-NEXT: }
-
+// LOWERED-LABEL: sil shared [thunk] @$s22hoptomainactorifneeded11testClosureyyYaFTTH : $@convention(thin) (@guaranteed @callee_guaranteed () -> ()) -> () {
+// LOWERED: bb0([[ARG:%.*]] : $@callee_guaranteed () -> ()):
+// LOWERED:   [[FUNC:%.*]] = function_ref @$ss19_taskRunOnMainActor9operationyyyScMYcc_tF : $@convention(thin) (@guaranteed @callee_guaranteed () -> ()) -> ()
+// LOWERED:   apply [[FUNC]]([[ARG]])
+// LOWERED: } // end sil function '$s22hoptomainactorifneeded11testClosureyyYaFTTH
+
+// testClosure.
+// LOWERED-LABEL: sil hidden @$s22hoptomainactorifneeded11testClosureyyYaF : $@convention(thin) @async () -> () {
+// LOWERED:   [[CLOSURE:%.*]] = function_ref @$s22hoptomainactorifneeded11testClosureyyYaFyyScMYccfU_ : $@convention(thin) () -> ()
+// LOWERED:   [[THICK_CLOSURE:%.*]] = thin_to_thick_function [[CLOSURE]]
+// LOWERED:   [[THUNK:%.*]] = function_ref @$s22hoptomainactorifneeded11testClosureyyYaFTTH : $@convention(thin) (@guaranteed @callee_guaranteed () -> ()) -> ()
+// LOWERED:   [[THUNKED_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[THICK_CLOSURE]])
+// LOWERED:   [[BLOCK_STORAGE:%.*]] = alloc_stack $@block_storage
+// LOWERED:   [[PROJECT_BLOCK_STORAGE:%.*]] = project_block_storage [[BLOCK_STORAGE]]
+// LOWERED:   store [[THUNKED_CLOSURE]] to [[PROJECT_BLOCK_STORAGE]]
+// LOWERED:   [[THUNK_THUNK_CALLEE:%.*]] = function_ref @$sIeg_IeyB_TR : $@convention(c) (@inout_aliasable @block_storage @callee_guaranteed () -> ()) -> ()
+// LOWERED:   [[BLOCK:%.*]] = init_block_storage_header [[BLOCK_STORAGE]] : $*@block_storage @callee_guaranteed () -> (), invoke [[THUNK_THUNK_CALLEE]]
+// LOWERED:   [[FINISHED_BLOCK:%.*]] = copy_block [[BLOCK]]
+// LOWERED:   [[OPT_BLOCK:%.*]] = enum $Optional<@convention(block) () -> ()>, #Optional.some!enumelt, [[FINISHED_BLOCK]]
+// LOWERED:   [[USE_CLOSURE_CALLEE:%.*]] = function_ref @useClosure : $@convention(c) (Optional<@convention(block) () -> ()>) -> ()
+// LOWERED:   apply [[USE_CLOSURE_CALLEE]]([[OPT_BLOCK]])
+// LOWERED: } // end sil function '$s22hoptomainactorifneeded11testClosureyyYaF'
 @MainActor
 func testClosure() async {
   useClosure {