llvm-capstone/clang/test/Analysis/initialization.cpp
Rafael Stahl 0137aa8679 [analyzer] const init: handle non-explicit cases more accurately
Summary: If the access is out of bounds, return UndefinedVal. If it is missing an explicit init, return the implicit zero value it must have.

Reviewers: NoQ, xazax.hun, george.karpenkov

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D46823

llvm-svn: 333417
2018-05-29 14:14:22 +00:00

21 lines
509 B
C++

// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-checker=core.builtin,debug.ExprInspection -verify %s
void clang_analyzer_eval(int);
struct S {
int a = 3;
};
S const sarr[2] = {};
void definit() {
int i = 1;
// FIXME: Should recognize that it is 3.
clang_analyzer_eval(sarr[i].a); // expected-warning{{UNKNOWN}}
}
int const arr[2][2] = {};
void arr2init() {
int i = 1;
// FIXME: Should recognize that it is 0.
clang_analyzer_eval(arr[i][0]); // expected-warning{{UNKNOWN}}
}