21 lines
665 B
LLVM
21 lines
665 B
LLVM
|
; This testcase ensures that CFL AA gives conservative answers on variables
|
||
|
|
; that involve arguments.
|
||
|
|
; (Everything should alias everything, because args can alias globals, so the
|
||
|
|
; aliasing sets should of args+alloca+global should be combined)
|
||
|
|
|
||
|
|
; RUN: opt < %s -disable-basic-aa -cfl-steens-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
; CHECK: Function: test
|
||
|
|
|
||
|
|
@g = external global i32
|
||
|
|
|
||
|
|
define void @test(i1 %c, i32* %arg1, i32* %arg2) {
|
||
|
|
; CHECK: 15 Total Alias Queries Performed
|
||
|
|
; CHECK: 0 no alias responses
|
||
|
|
%A = alloca i32, align 4
|
||
|
|
%B = select i1 %c, i32* %arg1, i32* %arg2
|
||
|
|
%C = select i1 %c, i32* @g, i32* %A
|
||
|
|
|
||
|
|
ret void
|
||
|
|
}
|