| ; This testcase ensures that CFL AA gives conservative answers on variables |
| ; that involve arguments. |
| |
| ; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s |
| |
| ; CHECK: Function: test |
| ; CHECK: 4 Total Alias Queries Performed |
| ; CHECK: 3 no alias responses |
| ; ^ The 1 MayAlias is due to %arg1. Sadly, we don't currently have machinery |
| ; in place to check whether %arg1 aliases %a, because BasicAA takes care of |
| ; that for us. |
| |
| define i32* @test2(i32* %arg1) { |
| store i32 0, i32* %arg1 |
| |
| %a = alloca i32, align 4 |
| ret i32* %a |
| } |
| |
| define void @test() { |
| %a = alloca i32, align 4 |
| %b = alloca i32, align 4 |
| %c = call i32* @test2(i32* %a) |
| |
| ret void |
| } |
