forked from OSchip/llvm-project
31 lines
678 B
LLVM
31 lines
678 B
LLVM
; This testcase ensures that CFL AA handles trivial cases with storing
|
|
; pointers in pointers appropriately.
|
|
; Derived from:
|
|
; char a, b;
|
|
; char *m = &a, *n = &b;
|
|
; *m;
|
|
; *n;
|
|
|
|
; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
|
|
|
|
%T = type { i32, [10 x i8] }
|
|
|
|
; CHECK: Function: test
|
|
|
|
define void @test() {
|
|
; CHECK: 15 Total Alias Queries Performed
|
|
; CHECK: 13 no alias responses
|
|
%M = alloca %T*, align 8
|
|
%N = alloca %T*, align 8
|
|
%A = alloca %T, align 8
|
|
%B = alloca %T, align 8
|
|
|
|
store %T* %A, %T** %M
|
|
store %T* %B, %T** %N
|
|
|
|
%AP = load %T** %M ; PartialAlias with %A
|
|
%BP = load %T** %N ; PartialAlias with %B
|
|
|
|
ret void
|
|
}
|