Home | History | Annotate | Download | only in CFLAliasAnalysis
      1 ; This testcase ensures that CFL AA gives conservative answers on variables
      2 ; that involve arguments.
      3 ; (Everything should alias everything, because args can alias globals, so the
      4 ; aliasing sets should of args+alloca+global should be combined)
      5 
      6 ; RUN: opt < %s -disable-basicaa -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
      7 
      8 ; CHECK:     Function: test
      9 
     10 @g = external global i32
     11 
     12 define void @test(i1 %c, i32* %arg1, i32* %arg2) {
     13   ; CHECK: 15 Total Alias Queries Performed
     14   ; CHECK: 0 no alias responses
     15   %A = alloca i32, align 4
     16   %B = select i1 %c, i32* %arg1, i32* %arg2
     17   %C = select i1 %c, i32* @g, i32* %A
     18 
     19   ret void
     20 }
     21