1*b7697580SFlorian Hahn; RUN: opt -passes=print-memderefs -S < %s -disable-output -use-dereferenceable-at-point-semantics 2>&1 | FileCheck %s --check-prefixes=CHECK 269fae504SPhilip Reames 369fae504SPhilip Reamestarget datalayout = "e-i32:32:64" 469fae504SPhilip Reames 569fae504SPhilip Reames; For the abstract machine model (before RS4GC), gc managed objects 669fae504SPhilip Reames; conceptually live forever. But there may be non-managed objects which are 769fae504SPhilip Reames; freed. 869fae504SPhilip Reames; CHECK-LABEL: 'abstract_model' 94054b832SPhilip Reames; CHECK: %gc_ptr 1069fae504SPhilip Reames; CHECK-NOT: %other_ptr 1169fae504SPhilip Reames; FIXME: Can infer the gc pointer case 127fbbbfd6SNikita Popovdefine void @abstract_model(ptr addrspace(1) dereferenceable(8) %gc_ptr, 137fbbbfd6SNikita Popov ptr dereferenceable(8) %other_ptr) 1469fae504SPhilip Reames gc "statepoint-example" { 1569fae504SPhilip Reamesentry: 1669fae504SPhilip Reames call void @mayfree() 177fbbbfd6SNikita Popov load i32, ptr addrspace(1) %gc_ptr 187fbbbfd6SNikita Popov load i32, ptr %other_ptr 1969fae504SPhilip Reames ret void 2069fae504SPhilip Reames} 2169fae504SPhilip Reames 2269fae504SPhilip Reames; Can free any object accessible in memory 2369fae504SPhilip Reamesdeclare void @mayfree() 24