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1; Check that we would take care of the value written to promise before @llvm.coro.begin.2; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s3 4%"class.task::promise_type" = type { [64 x i8] }5 6declare void @consume(ptr)7declare void @consume2(ptr)8 9define ptr @f() presplitcoroutine {10entry:11 %data = alloca i32, align 412 %__promise = alloca %"class.task::promise_type", align 6413 %id = call token @llvm.coro.id(i32 0, ptr %__promise, ptr null, ptr null)14 call void @consume2(ptr %__promise)15 %size = call i32 @llvm.coro.size.i32()16 %alloc = call ptr @malloc(i32 %size)17 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)18 call void @consume(ptr %data)19 %0 = call i8 @llvm.coro.suspend(token none, i1 false)20 switch i8 %0, label %suspend [i8 0, label %resume21 i8 1, label %cleanup]22resume:23 call void @consume(ptr %data)24 call void @consume2(ptr %__promise)25 br label %cleanup26 27cleanup:28 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)29 call void @free(ptr %mem)30 br label %suspend31suspend:32 call void @llvm.coro.end(ptr %hdl, i1 0, token none)33 ret ptr %hdl34}35 36; CHECK-LABEL: %f.Frame = type { ptr, ptr, i32, i1, [43 x i8], %"class.task::promise_type" }37 38; CHECK-LABEL: @f(39; CHECK: %__promise = alloca %"class.task::promise_type"40; CHECK: call void @consume2(ptr %__promise)41; CHECK: call{{.*}}@llvm.coro.begin42; CHECK: %[[PROMISE_ADDR:.+]] = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 543; CHECK: %[[PROMISE_VALUE:.+]] = load %"class.task::promise_type", ptr %__promise44; CHECK: store %"class.task::promise_type" %[[PROMISE_VALUE]], ptr %[[PROMISE_ADDR]]45 46; CHECK-LABEL: @f.resume(47; CHECK: %[[DATA:.+]] = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 548; CHECK: call void @consume2(ptr %[[DATA]])49; CHECK: ret void50 51declare ptr @llvm.coro.free(token, ptr)52declare i32 @llvm.coro.size.i32()53declare i8 @llvm.coro.suspend(token, i1)54declare void @llvm.coro.resume(ptr)55declare void @llvm.coro.destroy(ptr)56 57declare token @llvm.coro.id(i32, ptr, ptr, ptr)58declare i1 @llvm.coro.alloc(token)59declare ptr @llvm.coro.begin(token, ptr)60declare void @llvm.coro.end(ptr, i1, token)61 62declare noalias ptr @malloc(i32)63declare double @print(double)64declare void @free(ptr)65