| ; RUN: llvm-upgrade < %s | llvm-as | opt -anders-aa -load-vn -gcse -deadargelim | llvm-dis | grep store | not grep null |
| |
| ; Because the 'internal' function is passed to an external function, we don't |
| ; know what the incoming values will alias. As such, we cannot do the |
| ; optimization checked by the 'arg-must-alias.llx' test. |
| |
| declare void %external(int(int*)*) |
| %G = internal constant int* null |
| |
| implementation |
| |
| internal int %internal(int* %ARG) { |
| ;;; We *DON'T* know that ARG always points to null! |
| store int* %ARG, int** %G |
| ret int 0 |
| } |
| |
| int %foo() { |
| call void %external(int(int*)* %internal) |
| %V = call int %internal(int* null) |
| ret int %V |
| } |
