58 lines · plain
1; RUN: opt < %s -passes='cgscc(coro-split)' -S | FileCheck %s2 3define ptr @f(i1 %n) presplitcoroutine {4entry:5 %x = alloca i64, addrspace(5)6 %y = alloca i64, addrspace(5)7 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)8 %size = call i32 @llvm.coro.size.i32()9 %alloc = call ptr @malloc(i32 %size)10 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)11 br i1 %n, label %flag_true, label %flag_false12 13flag_true:14 br label %merge15 16flag_false:17 br label %merge18 19merge:20 %alias_phi = phi ptr addrspace(5) [ %x, %flag_true ], [ %y, %flag_false ]21 %sp1 = call i8 @llvm.coro.suspend(token none, i1 false)22 switch i8 %sp1, label %suspend [i8 0, label %resume23 i8 1, label %cleanup]24resume:25 call void @print(ptr addrspace(5) %alias_phi)26 br label %cleanup27 28cleanup:29 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)30 call void @free(ptr %mem)31 br label %suspend32 33suspend:34 call void @llvm.coro.end(ptr %hdl, i1 0)35 ret ptr %hdl36}37 38; CHECK-LABEL: @f(39; CHECK: [[X_ADDR:%[0-9]+]] = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 240; CHECK: %x.reload.addr = addrspacecast ptr [[X_ADDR]] to ptr addrspace(5)41; CHECK: [[Y_ADDR:%[0-9]+]] = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 342; CHECK: %y.reload.addr = addrspacecast ptr [[Y_ADDR]] to ptr addrspace(5)43 44declare ptr @llvm.coro.free(token, ptr)45declare i32 @llvm.coro.size.i32()46declare i8 @llvm.coro.suspend(token, i1)47declare void @llvm.coro.resume(ptr)48declare void @llvm.coro.destroy(ptr)49 50declare token @llvm.coro.id(i32, ptr, ptr, ptr)51declare i1 @llvm.coro.alloc(token)52declare ptr @llvm.coro.begin(token, ptr)53declare void @llvm.coro.end(ptr, i1)54 55declare void @print(ptr)56declare noalias ptr @malloc(i32)57declare void @free(ptr)58