1; Tests that allocas escaped through function calls will live on the frame. 2; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s 3 4define ptr @f() presplitcoroutine { 5entry: 6 %x = alloca i64 7 %y = alloca i64 8 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null) 9 %size = call i32 @llvm.coro.size.i32() 10 %alloc = call ptr @malloc(i32 %size) 11 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc) 12 call void @capture_call(ptr %x) 13 call void @nocapture_call(ptr %y) 14 %sp1 = call i8 @llvm.coro.suspend(token none, i1 false) 15 switch i8 %sp1, label %suspend [i8 0, label %resume 16 i8 1, label %cleanup] 17resume: 18 br label %cleanup 19 20cleanup: 21 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl) 22 call void @free(ptr %mem) 23 br label %suspend 24 25suspend: 26 call i1 @llvm.coro.end(ptr %hdl, i1 0, token none) 27 ret ptr %hdl 28} 29 30; %x needs to go to the frame since it's escaped; %y will stay as local since it doesn't escape. 31; CHECK: %f.Frame = type { ptr, ptr, i64, i1 } 32; CHECK-LABEL: define ptr @f() 33; CHECK: %y = alloca i64, align 8 34; CHECK: %x.reload.addr = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 2 35; CHECK: call void @capture_call(ptr %x.reload.addr) 36; CHECK: call void @nocapture_call(ptr %y) 37 38declare ptr @llvm.coro.free(token, ptr) 39declare i32 @llvm.coro.size.i32() 40declare i8 @llvm.coro.suspend(token, i1) 41declare void @llvm.coro.resume(ptr) 42declare void @llvm.coro.destroy(ptr) 43 44declare token @llvm.coro.id(i32, ptr, ptr, ptr) 45declare i1 @llvm.coro.alloc(token) 46declare ptr @llvm.coro.begin(token, ptr) 47declare i1 @llvm.coro.end(ptr, i1, token) 48 49declare void @capture_call(ptr) 50declare void @nocapture_call(ptr nocapture) 51declare noalias ptr @malloc(i32) 52declare void @free(ptr) 53