1 ; This testcase ensures that CFL AA handles malloc and free in a sound and precise manner
3 ; RUN: opt < %s -disable-basicaa -cfl-steens-aa -aa-eval -print-no-aliases -disable-output 2>&1 | FileCheck %s
4 ; RUN: opt < %s -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-no-aliases -disable-output 2>&1 | FileCheck %s
6 declare noalias i8* @malloc(i64)
7 declare noalias i8* @calloc(i64, i64)
8 declare void @free(i8* nocapture)
10 ; CHECK: Function: test_malloc
11 ; CHECK: NoAlias: i8* %p, i8* %q
12 define void @test_malloc(i8* %p) {
13 %q = call i8* @malloc(i64 4)
17 ; CHECK: Function: test_calloc
18 ; CHECK: NoAlias: i8* %p, i8* %q
19 define void @test_calloc(i8* %p) {
20 %q = call i8* @calloc(i64 2, i64 4)
24 ; CHECK: Function: test_free
25 ; CHECK: NoAlias: i8* %p, i8* %q
26 define void @test_free(i8* %p) {
27 %q = alloca i8, align 4
28 call void @free(i8* %q)