1 ; This testcase ensures that CFL AA handles malloc and free in a sound and precise manner 2 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 5 6 declare noalias i8* @malloc(i64) 7 declare noalias i8* @calloc(i64, i64) 8 declare void @free(i8* nocapture) 9 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) 14 ret void 15 } 16 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) 21 ret void 22 } 23 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) 29 ret void 30 } 31
