| ; RUN: opt -print-memderefs -analyze -S < %s -enable-new-pm=0 -use-dereferenceable-at-point-semantics=1 | FileCheck %s --check-prefixes=CHECK |
| ; RUN: opt -passes=print-memderefs -S < %s -disable-output -use-dereferenceable-at-point-semantics=1 2>&1 | FileCheck %s --check-prefixes=CHECK |
| |
| target datalayout = "e-i32:32:64" |
| |
| ; For the abstract machine model (before RS4GC), gc managed objects |
| ; conceptually live forever. But there may be non-managed objects which are |
| ; freed. |
| ; CHECK-LABEL: 'abstract_model' |
| ; CHECK: %gc_ptr |
| ; CHECK-NOT: %other_ptr |
| ; FIXME: Can infer the gc pointer case |
| define void @abstract_model(i32 addrspace(1)* dereferenceable(8) %gc_ptr, |
| i32* dereferenceable(8) %other_ptr) |
| gc "statepoint-example" { |
| entry: |
| call void @mayfree() |
| load i32, i32 addrspace(1)* %gc_ptr |
| load i32, i32* %other_ptr |
| ret void |
| } |
| |
| ; Can free any object accessible in memory |
| declare void @mayfree() |
