1; Tests that if an alloca is escaped through storing the address, 2; the alloac will be put on the frame. 3; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s 4 5define ptr @f() presplitcoroutine { 6entry: 7 %x = alloca i64 8 %y = alloca ptr 9 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null) 10 %size = call i32 @llvm.coro.size.i32() 11 %alloc = call ptr @malloc(i32 %size) 12 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc) 13 store ptr %x, 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 %x1 = load ptr, ptr %y 19 call void @print(ptr %x1) 20 br label %cleanup 21 22cleanup: 23 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl) 24 call void @free(ptr %mem) 25 br label %suspend 26 27suspend: 28 call i1 @llvm.coro.end(ptr %hdl, i1 0, token none) 29 ret ptr %hdl 30} 31 32; CHECK: %f.Frame = type { ptr, ptr, i64, ptr, i1 } 33; CHECK-LABEL: define ptr @f() 34; CHECK: %x.reload.addr = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 2 35; CHECK: %y.reload.addr = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 3 36; CHECK: store ptr %x.reload.addr, ptr %y.reload.addr, align 8 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 @print(ptr) 50declare noalias ptr @malloc(i32) 51declare void @free(ptr) 52