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1; Tests that invoke <type> @llvm.coro.await.suspend lowers to invoke @helper2; RUN: opt < %s -passes='module(coro-early),cgscc(coro-split),simplifycfg' -S | FileCheck %s3 4%Awaiter = type {}5 6; CHECK: define {{[^@]*}} @f.resume(ptr {{[^%]*}} %[[HDL:.+]])7; CHECK: %[[AWAITER:.+]] = getelementptr inbounds %f.Frame, ptr %[[HDL]], i32 0, i32 08define void @f() presplitcoroutine personality i32 0 {9entry:10 %awaiter = alloca %Awaiter11 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)12 %size = call i32 @llvm.coro.size.i32()13 %alloc = call ptr @malloc(i32 %size)14 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)15 ; Initial suspend so that all 3 await_suspend invocations are inside f.resume16 %suspend.init = call i8 @llvm.coro.suspend(token none, i1 false)17 switch i8 %suspend.init, label %ret [18 i8 0, label %step19 i8 1, label %cleanup20 ]21 22; CHECK: invoke void @await_suspend_wrapper_void(ptr %[[AWAITER]], ptr %[[HDL]])23; CHECK-NEXT: to label %[[STEP_CONT:[^ ]+]] unwind label %[[PAD:[^ ]+]]24step:25 %save = call token @llvm.coro.save(ptr null)26 invoke void @llvm.coro.await.suspend.void(ptr %awaiter, ptr %hdl, ptr @await_suspend_wrapper_void)27 to label %step.continue unwind label %pad28 29; CHECK [[STEP_CONT]]:30step.continue:31 %suspend = call i8 @llvm.coro.suspend(token %save, i1 false)32 switch i8 %suspend, label %ret [33 i8 0, label %step134 i8 1, label %cleanup35 ]36 37; CHECK: %[[RESUME:.+]] = invoke i1 @await_suspend_wrapper_bool(ptr %[[AWAITER]], ptr %[[HDL]])38; CHECK-NEXT: to label %[[STEP1_CONT:[^ ]+]] unwind label %[[PAD]]39step1:40 %save1 = call token @llvm.coro.save(ptr null)41 %resume.bool = invoke i1 @llvm.coro.await.suspend.bool(ptr %awaiter, ptr %hdl, ptr @await_suspend_wrapper_bool)42 to label %step1.continue unwind label %pad43 44; CHECK: [[STEP1_CONT]]:45; CHECK-NEXT: br i1 %[[RESUME]], label %{{[^,]+}}, label %[[STEP2:.+]]46step1.continue:47 br i1 %resume.bool, label %suspend.cond, label %step248 49suspend.cond:50 %suspend1 = call i8 @llvm.coro.suspend(token %save1, i1 false)51 switch i8 %suspend1, label %ret [52 i8 0, label %step253 i8 1, label %cleanup54 ]55 56; CHECK: [[STEP2]]:57; CHECK: %[[NEXT_HDL:.+]] = invoke ptr @await_suspend_wrapper_handle(ptr %[[AWAITER]], ptr %[[HDL]])58; CHECK-NEXT: to label %[[STEP2_CONT:[^ ]+]] unwind label %[[PAD]]59step2:60 %save2 = call token @llvm.coro.save(ptr null)61 invoke void @llvm.coro.await.suspend.handle(ptr %awaiter, ptr %hdl, ptr @await_suspend_wrapper_handle)62 to label %step2.continue unwind label %pad63 64; CHECK: [[STEP2_CONT]]:65; CHECK-NEXT: %[[NEXT_RESUME:.+]] = call ptr @llvm.coro.subfn.addr(ptr %[[NEXT_HDL]], i8 0)66; CHECK-NEXT: musttail call {{.*}} void %[[NEXT_RESUME]](ptr %[[NEXT_HDL]])67step2.continue:68 %suspend2 = call i8 @llvm.coro.suspend(token %save2, i1 false)69 switch i8 %suspend2, label %ret [70 i8 0, label %step371 i8 1, label %cleanup72 ]73 74step3:75 br label %cleanup76 77pad:78 %lp = landingpad { ptr, i32 }79 catch ptr null80 %exn = extractvalue { ptr, i32 } %lp, 081 call ptr @__cxa_begin_catch(ptr %exn)82 call void @__cxa_end_catch()83 br label %cleanup84 85cleanup:86 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)87 call void @free(ptr %mem)88 br label %ret89 90ret:91 call void @llvm.coro.end(ptr %hdl, i1 0, token none)92 ret void93}94 95; check that we were haven't accidentally went out of @f.resume body96; CHECK-LABEL: @f.destroy(97; CHECK-LABEL: @f.cleanup(98 99declare void @await_suspend_wrapper_void(ptr, ptr)100declare i1 @await_suspend_wrapper_bool(ptr, ptr)101declare ptr @await_suspend_wrapper_handle(ptr, ptr)102 103declare ptr @llvm.coro.free(token, ptr)104declare i32 @llvm.coro.size.i32()105declare i8 @llvm.coro.suspend(token, i1)106declare void @llvm.coro.resume(ptr)107declare void @llvm.coro.destroy(ptr)108 109declare token @llvm.coro.id(i32, ptr, ptr, ptr)110declare i1 @llvm.coro.alloc(token)111declare ptr @llvm.coro.begin(token, ptr)112declare void @llvm.coro.await.suspend.void(ptr, ptr, ptr)113declare i1 @llvm.coro.await.suspend.bool(ptr, ptr, ptr)114declare void @llvm.coro.await.suspend.handle(ptr, ptr, ptr)115declare void @llvm.coro.end(ptr, i1, token)116 117declare ptr @__cxa_begin_catch(ptr)118declare void @use_val(i32)119declare void @__cxa_end_catch()120 121declare noalias ptr @malloc(i32)122declare void @free(ptr)123