llvm-project/clang/test/Analysis/kmalloc-linux.c
Dominic Chen 59cd893320 Reland: [analyzer] NFC: Update test infrastructure to support multiple constraint managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296414
2017-02-28 00:02:36 +00:00

59 lines
969 B
C

// RUN: %clang_analyze_cc1 -triple x86_64-unknown-linux %s
#include "Inputs/system-header-simulator.h"
#define __GFP_ZERO 0x8000
#define NULL ((void *)0)
void *kmalloc(size_t, int);
struct test {
};
void foo(struct test *);
void test_zeroed() {
struct test **list, *t;
int i;
list = kmalloc(sizeof(*list) * 10, __GFP_ZERO);
if (list == NULL)
return;
for (i = 0; i < 10; i++) {
t = list[i];
foo(t);
}
free(list); // no-warning
}
void test_nonzero() {
struct test **list, *t;
int i;
list = kmalloc(sizeof(*list) * 10, 0);
if (list == NULL)
return;
for (i = 0; i < 10; i++) {
t = list[i]; // expected-warning{{undefined}}
foo(t);
}
free(list);
}
void test_indeterminate(int flags) {
struct test **list, *t;
int i;
list = kmalloc(sizeof(*list) * 10, flags);
if (list == NULL)
return;
for (i = 0; i < 10; i++) {
t = list[i]; // expected-warning{{undefined}}
foo(t);
}
free(list);
}