forked from OSchip/llvm-project
31 lines
871 B
LLVM
31 lines
871 B
LLVM
; This testcase ensures that CFL AA handles malloc and free in a sound and precise manner
|
|
|
|
; RUN: opt < %s -disable-basic-aa -cfl-steens-aa -aa-eval -print-no-aliases -disable-output 2>&1 | FileCheck %s
|
|
; RUN: opt < %s -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-no-aliases -disable-output 2>&1 | FileCheck %s
|
|
|
|
declare noalias i8* @malloc(i64)
|
|
declare noalias i8* @calloc(i64, i64)
|
|
declare void @free(i8* nocapture)
|
|
|
|
; CHECK: Function: test_malloc
|
|
; CHECK: NoAlias: i8* %p, i8* %q
|
|
define void @test_malloc(i8* %p) {
|
|
%q = call i8* @malloc(i64 4)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: Function: test_calloc
|
|
; CHECK: NoAlias: i8* %p, i8* %q
|
|
define void @test_calloc(i8* %p) {
|
|
%q = call i8* @calloc(i64 2, i64 4)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: Function: test_free
|
|
; CHECK: NoAlias: i8* %p, i8* %q
|
|
define void @test_free(i8* %p) {
|
|
%q = alloca i8, align 4
|
|
call void @free(i8* %q)
|
|
ret void
|
|
}
|