llvm-project/clang/test/Analysis/explain-svals.m
Dominic Chen 184c6242fa Reland 4: [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: 296895
2017-03-03 18:02:02 +00:00

28 lines
1.1 KiB
Objective-C

// RUN: %clang_analyze_cc1 -w -triple i386-apple-darwin10 -fblocks -analyzer-checker=core.builtin,debug.ExprInspection -verify %s
#include "Inputs/system-header-simulator-objc.h"
void clang_analyzer_explain(void *);
@interface Object : NSObject {
@public
Object *x;
}
@end
void test_1(Object *p) {
clang_analyzer_explain(p); // expected-warning-re{{{{^argument 'p'$}}}}
clang_analyzer_explain(p->x); // expected-warning-re{{{{^initial value of instance variable 'x' of object at argument 'p'$}}}}
Object *q = [[Object alloc] init];
clang_analyzer_explain(q); // expected-warning-re{{{{^symbol of type 'Object \*' conjured at statement '\[\[Object alloc\] init\]'$}}}}
clang_analyzer_explain(q->x); // expected-warning-re{{{{^initial value of instance variable 'x' of object at symbol of type 'Object \*' conjured at statement '\[\[Object alloc\] init\]'$}}}}
}
void test_2() {
__block int x;
^{
clang_analyzer_explain(&x); // expected-warning-re{{{{^pointer to block variable 'x'$}}}}
};
clang_analyzer_explain(&x); // expected-warning-re{{{{^pointer to block variable 'x'$}}}}
}