[analyzer] NFC: MoveChecker: Refactor tests to use -verify=prefix.

This -verify=prefix feature is quite underrated.

Differential Revision: https://reviews.llvm.org/D60732

llvm-svn: 358719
This commit is contained in:
Artem Dergachev 2019-04-18 23:17:58 +00:00
parent 5d281ac9ce
commit 6b71e27c94
1 changed files with 209 additions and 432 deletions

View File

@ -1,31 +1,37 @@
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move -verify %s\
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move %s\
// RUN: -std=c++11 -analyzer-output=text -analyzer-config eagerly-assume=false\
// RUN: -analyzer-config exploration_strategy=unexplored_first_queue\
// RUN: -analyzer-checker debug.ExprInspection
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move -verify %s\
// RUN: -analyzer-checker debug.ExprInspection\
// RUN: -verify=expected,peaceful,non-aggressive
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move %s\
// RUN: -std=c++11 -analyzer-output=text -analyzer-config eagerly-assume=false\
// RUN: -analyzer-config exploration_strategy=dfs -DDFS=1\
// RUN: -analyzer-checker debug.ExprInspection
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move -verify %s\
// RUN: -analyzer-config exploration_strategy=dfs -DDFS\
// RUN: -analyzer-checker debug.ExprInspection\
// RUN: -verify=expected,peaceful,non-aggressive
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move %s\
// RUN: -std=c++11 -analyzer-output=text -analyzer-config eagerly-assume=false\
// RUN: -analyzer-config exploration_strategy=unexplored_first_queue\
// RUN: -analyzer-config cplusplus.Move:WarnOn=KnownsOnly -DPEACEFUL\
// RUN: -analyzer-checker debug.ExprInspection
// RUN: -analyzer-config cplusplus.Move:WarnOn=KnownsOnly\
// RUN: -analyzer-checker debug.ExprInspection\
// RUN: -verify=expected,non-aggressive
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move -verify %s\
// RUN: -std=c++11 -analyzer-output=text -analyzer-config eagerly-assume=false\
// RUN: -analyzer-config exploration_strategy=dfs -DDFS=1\
// RUN: -analyzer-config cplusplus.Move:WarnOn=KnownsOnly -DPEACEFUL\
// RUN: -analyzer-checker debug.ExprInspection
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move -verify %s\
// RUN: -analyzer-config exploration_strategy=dfs -DDFS\
// RUN: -analyzer-config cplusplus.Move:WarnOn=KnownsOnly\
// RUN: -analyzer-checker debug.ExprInspection\
// RUN: -verify=expected,non-aggressive
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move %s\
// RUN: -std=c++11 -analyzer-output=text -analyzer-config eagerly-assume=false\
// RUN: -analyzer-config exploration_strategy=unexplored_first_queue\
// RUN: -analyzer-config cplusplus.Move:WarnOn=All -DAGGRESSIVE\
// RUN: -analyzer-checker debug.ExprInspection
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move -verify %s\
// RUN: -analyzer-config cplusplus.Move:WarnOn=All\
// RUN: -analyzer-checker debug.ExprInspection\
// RUN: -verify=expected,peaceful,aggressive
// RUN: %clang_analyze_cc1 -analyzer-checker=cplusplus.Move %s\
// RUN: -std=c++11 -analyzer-output=text -analyzer-config eagerly-assume=false\
// RUN: -analyzer-config exploration_strategy=dfs -DDFS=1\
// RUN: -analyzer-config cplusplus.Move:WarnOn=All -DAGGRESSIVE\
// RUN: -analyzer-checker debug.ExprInspection
// RUN: -analyzer-config exploration_strategy=dfs -DDFS\
// RUN: -analyzer-config cplusplus.Move:WarnOn=All\
// RUN: -analyzer-checker debug.ExprInspection\
// RUN: -verify=expected,peaceful,aggressive
// RUN: not %clang_analyze_cc1 -verify %s \
// RUN: -analyzer-checker=core \
@ -75,10 +81,7 @@ public:
moveconstruct(std::move(*a));
}
A(const A &other) : i(other.i), d(other.d), b(other.b) {}
A(A &&other) : i(other.i), d(other.d), b(std::move(other.b)) {
#ifdef AGGRESSIVE
// expected-note@-2{{Object 'b' is moved}}
#endif
A(A &&other) : i(other.i), d(other.d), b(std::move(other.b)) { // aggressive-note{{Object 'b' is moved}}
}
A(A &&other, char *k) {
moveconstruct(std::move(other));
@ -141,33 +144,21 @@ void copyOrMoveCall(A a) {
void simpleMoveCtorTest() {
{
A a;
A b = std::move(a);
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
A b = std::move(a); // peaceful-note {{Object 'a' is moved}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
{
A a;
A b = std::move(a);
b = a;
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Moved-from object 'a' is copied}}
// expected-note@-4 {{Moved-from object 'a' is copied}}
#endif
A b = std::move(a); // peaceful-note {{Object 'a' is moved}}
b = a; // peaceful-warning {{Moved-from object 'a' is copied}}
// peaceful-note@-1 {{Moved-from object 'a' is copied}}
}
{
A a;
A b = std::move(a);
b = std::move(a);
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Moved-from object 'a' is moved}}
// expected-note@-4 {{Moved-from object 'a' is moved}}
#endif
A b = std::move(a); // peaceful-note {{Object 'a' is moved}}
b = std::move(a); // peaceful-warning {{Moved-from object 'a' is moved}}
// peaceful-note@-1 {{Moved-from object 'a' is moved}}
}
}
@ -175,35 +166,23 @@ void simpleMoveAssignementTest() {
{
A a;
A b;
b = std::move(a);
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
{
A a;
A b;
b = std::move(a);
A c(a);
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Moved-from object 'a' is copied}}
// expected-note@-4 {{Moved-from object 'a' is copied}}
#endif
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
A c(a); // peaceful-warning {{Moved-from object 'a' is copied}}
// peaceful-note@-1 {{Moved-from object 'a' is copied}}
}
{
A a;
A b;
b = std::move(a);
A c(std::move(a));
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Moved-from object 'a' is moved}}
// expected-note@-4 {{Moved-from object 'a' is moved}}
#endif
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
A c(std::move(a)); // peaceful-warning {{Moved-from object 'a' is moved}}
// peaceful-note@-1 {{Moved-from object 'a' is moved}}
}
}
@ -212,13 +191,9 @@ void moveInInitListTest() {
A a;
};
A a;
S s{std::move(a)};
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
S s{std::move(a)}; // peaceful-note {{Object 'a' is moved}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
// Don't report a bug if the variable was assigned to in the meantime.
@ -232,43 +207,23 @@ void reinitializationTest(int i) {
}
{
A a;
if (i == 1) {
#ifndef PEACEFUL
// expected-note@-2 {{Assuming 'i' is not equal to 1}}
// expected-note@-3 {{Taking false branch}}
// And the other report:
// expected-note@-5 {{Assuming 'i' is not equal to 1}}
// expected-note@-6 {{Taking false branch}}
#endif
if (i == 1) { // peaceful-note 2 {{Assuming 'i' is not equal to 1}}
// peaceful-note@-1 2 {{Taking false branch}}
A b;
b = std::move(a);
a = A();
}
if (i == 2) {
#ifndef PEACEFUL
// expected-note@-2 {{Assuming 'i' is not equal to 2}}
// expected-note@-3 {{Taking false branch}}
// And the other report:
// expected-note@-5 {{Assuming 'i' is not equal to 2}}
// expected-note@-6 {{Taking false branch}}
#endif
if (i == 2) { // peaceful-note 2 {{Assuming 'i' is not equal to 2}}
// peaceful-note@-1 2 {{Taking false branch}}
a.foo(); // no-warning
}
}
{
A a;
if (i == 1) {
#ifndef PEACEFUL
// expected-note@-2 {{Taking false branch}}
// expected-note@-3 {{Taking false branch}}
#endif
if (i == 1) { // peaceful-note 2 {{Taking false branch}}
std::move(a);
}
if (i == 2) {
#ifndef PEACEFUL
// expected-note@-2 {{Taking false branch}}
// expected-note@-3 {{Taking false branch}}
#endif
if (i == 2) { // peaceful-note 2 {{Taking false branch}}
a = A();
a.foo();
}
@ -286,36 +241,22 @@ void reinitializationTest(int i) {
A b;
b = std::move(a);
a = A();
b = std::move(a);
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
// If a path exist where we not reinitialize the variable we report a bug.
{
A a;
A b;
b = std::move(a);
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
#endif
if (i < 10) {
#ifndef PEACEFUL
// expected-note@-2 {{Assuming 'i' is >= 10}}
// expected-note@-3 {{Taking false branch}}
#endif
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
if (i < 10) { // peaceful-note {{Assuming 'i' is >= 10}}
// peaceful-note@-1 {{Taking false branch}}
a = A();
}
if (i > 5) {
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Taking true branch}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
if (i > 5) { // peaceful-note {{Taking true branch}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
}
}
@ -330,117 +271,82 @@ void decltypeIsNotUseTest() {
void loopTest() {
{
A a;
for (int i = 0; i < bignum(); i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
// FIXME: Execution doesn't jump to the end of the function yet.
for (int i = 0; i < bignum(); i++) { // peaceful-note {{Loop condition is false. Execution jumps to the end of the function}}
rightRefCall(std::move(a)); // no-warning
}
}
{
A a;
for (int i = 0; i < 2; i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is true. Entering loop body}}
// expected-note@-3 {{Loop condition is true. Entering loop body}}
// expected-note@-4 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < 2; i++) { // peaceful-note {{Loop condition is true. Entering loop body}}
// peaceful-note@-1 {{Loop condition is true. Entering loop body}}
// peaceful-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
rightRefCall(std::move(a)); // no-warning
}
}
{
A a;
for (int i = 0; i < bignum(); i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < bignum(); i++) { // peaceful-note {{Loop condition is false. Execution jumps to the end of the function}}
leftRefCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < 2; i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is true. Entering loop body}}
// expected-note@-3 {{Loop condition is true. Entering loop body}}
// expected-note@-4 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < 2; i++) { // peaceful-note {{Loop condition is true. Entering loop body}}
// peaceful-note@-1 {{Loop condition is true. Entering loop body}}
// peaceful-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
leftRefCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < bignum(); i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < bignum(); i++) { // peaceful-note {{Loop condition is false. Execution jumps to the end of the function}}
constCopyOrMoveCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < 2; i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is true. Entering loop body}}
// expected-note@-3 {{Loop condition is true. Entering loop body}}
// expected-note@-4 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < 2; i++) { // peaceful-note {{Loop condition is true. Entering loop body}}
// peaceful-note@-1 {{Loop condition is true. Entering loop body}}
// peaceful-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
constCopyOrMoveCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < bignum(); i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < bignum(); i++) { // peaceful-note {{Loop condition is false. Execution jumps to the end of the function}}
moveInsideFunctionCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < 2; i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is true. Entering loop body}}
// expected-note@-3 {{Loop condition is true. Entering loop body}}
// expected-note@-4 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < 2; i++) { // peaceful-note {{Loop condition is true. Entering loop body}}
// peaceful-note@-1 {{Loop condition is true. Entering loop body}}
// peaceful-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
moveInsideFunctionCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < bignum(); i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < bignum(); i++) { // peaceful-note {{Loop condition is false. Execution jumps to the end of the function}}
copyOrMoveCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < 2; i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is true. Entering loop body}}
// expected-note@-3 {{Loop condition is true. Entering loop body}}
// expected-note@-4 {{Loop condition is false. Execution jumps to the end of the function}}
#endif
for (int i = 0; i < 2; i++) { // peaceful-note {{Loop condition is true. Entering loop body}}
// peaceful-note@-1 {{Loop condition is true. Entering loop body}}
// peaceful-note@-2 {{Loop condition is false. Execution jumps to the end of the function}}
copyOrMoveCall(a); // no-warning
}
}
{
A a;
for (int i = 0; i < bignum(); i++) {
#ifndef PEACEFUL
// expected-note@-2 {{Loop condition is true. Entering loop body}}
// expected-note@-3 {{Loop condition is true. Entering loop body}}
#endif
constCopyOrMoveCall(std::move(a));
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
// expected-warning@-3 {{Moved-from object 'a' is moved}}
// expected-note@-4 {{Moved-from object 'a' is moved}}
#endif
for (int i = 0; i < bignum(); i++) { // peaceful-note {{Loop condition is true. Entering loop body}}
// peaceful-note@-1 {{Loop condition is true. Entering loop body}}
constCopyOrMoveCall(std::move(a)); // peaceful-note {{Object 'a' is moved}}
// peaceful-warning@-1 {{Moved-from object 'a' is moved}}
// peaceful-note@-2 {{Moved-from object 'a' is moved}}
}
}
@ -462,17 +368,12 @@ void loopTest() {
void uniqueTest(bool cond) {
A a(42, 42.0);
A b;
b = std::move(a);
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
if (cond) {
a.foo();
#ifndef PEACEFUL
// expected-note@-5 {{Object 'a' is moved}}
// expected-note@-4 {{Assuming 'cond' is not equal to 0}}
// expected-note@-5 {{Taking true branch}}
// expected-warning@-5 {{Method called on moved-from object 'a'}}
// expected-note@-6 {{Method called on moved-from object 'a'}}
#endif
if (cond) { // peaceful-note {{Assuming 'cond' is not equal to 0}}
// peaceful-note@-1 {{Taking true branch}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
if (cond) {
a.bar(); // no-warning
@ -483,13 +384,9 @@ void uniqueTest(bool cond) {
void uniqueTest2() {
A a;
A a1 = std::move(a);
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
A a1 = std::move(a); // peaceful-note {{Object 'a' is moved}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
A a2 = std::move(a); // no-warning
a.foo(); // no-warning
@ -499,19 +396,13 @@ void uniqueTest2() {
//even on moved-from objects.
void moveSafeFunctionsTest() {
A a;
A b = std::move(a);
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
#endif
A b = std::move(a); // peaceful-note {{Object 'a' is moved}}
a.empty(); // no-warning
a.isEmpty(); // no-warning
(void)a; // no-warning
(bool)a; // expected-warning {{expression result unused}}
a.foo();
#ifndef PEACEFUL
// expected-warning@-2 {{Method called on moved-from object 'a'}}
// expected-note@-3 {{Method called on moved-from object 'a'}}
#endif
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
void moveStateResetFunctionsTest() {
@ -589,51 +480,32 @@ class memberVariablesTest {
void f() {
A b;
b = std::move(a);
a.foo();
#ifdef AGGRESSIVE
// expected-note@-3{{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4{{Method called on moved-from object 'a'}}
#endif
b = std::move(a); // aggressive-note {{Object 'a' is moved}}
b = std::move(static_a);
static_a.foo();
#ifdef AGGRESSIVE
// expected-note@-3{{Object 'static_a' is moved}}
// expected-warning@-3{{Method called on moved-from object 'static_a'}}
// expected-note@-4{{Method called on moved-from object 'static_a'}}
#endif
a.foo(); // aggressive-warning {{Method called on moved-from object 'a'}}
// aggressive-note@-1 {{Method called on moved-from object 'a'}}
b = std::move(static_a); // aggressive-note {{Object 'static_a' is moved}}
static_a.foo(); // aggressive-warning {{Method called on moved-from object 'static_a'}}
// aggressive-note@-1 {{Method called on moved-from object 'static_a'}}
}
};
void PtrAndArrayTest() {
A *Ptr = new A(1, 1.5);
A Arr[10];
Arr[2] = std::move(*Ptr);
(*Ptr).foo();
#ifdef AGGRESSIVE
// expected-note@-3{{Object is moved}}
// expected-warning@-3{{Method called on moved-from object}}
// expected-note@-4{{Method called on moved-from object}}
#endif
Arr[2] = std::move(*Ptr); // aggressive-note{{Object is moved}}
(*Ptr).foo(); // aggressive-warning{{Method called on moved-from object}}
// aggressive-note@-1{{Method called on moved-from object}}
Ptr = &Arr[1];
Arr[3] = std::move(Arr[1]);
Ptr->foo();
#ifdef AGGRESSIVE
// expected-note@-3{{Object is moved}}
// expected-warning@-3{{Method called on moved-from object}}
// expected-note@-4{{Method called on moved-from object}}
#endif
Arr[3] = std::move(Arr[1]); // aggressive-note {{Object is moved}}
Ptr->foo(); // aggressive-warning {{Method called on moved-from object}}
// aggressive-note@-1 {{Method called on moved-from object}}
Arr[3] = std::move(Arr[2]);
Arr[2].foo();
#ifdef AGGRESSIVE
// expected-note@-3{{Object is moved}}
// expected-warning@-3{{Method called on moved-from object}}
// expected-note@-4{{Method called on moved-from object}}
#endif
Arr[3] = std::move(Arr[2]); // aggressive-note{{Object is moved}}
Arr[2].foo(); // aggressive-warning{{Method called on moved-from object}}
// aggressive-note@-1{{Method called on moved-from object}}
Arr[2] = std::move(Arr[3]); // reinitialization
Arr[2].foo(); // no-warning
@ -654,11 +526,8 @@ void differentBranchesTest(int i) {
// Don't warn if the use is in a different branch from the move.
{
A a;
if (i > 0) {
#ifndef PEACEFUL
// expected-note@-2 {{Assuming 'i' is > 0}}
// expected-note@-3 {{Taking true branch}}
#endif
if (i > 0) { // peaceful-note {{Assuming 'i' is > 0}}
// peaceful-note@-1 {{Taking true branch}}
A b;
b = std::move(a);
} else {
@ -668,40 +537,28 @@ void differentBranchesTest(int i) {
// Same thing, but with a ternary operator.
{
A a, b;
i > 0 ? (void)(b = std::move(a)) : a.bar(); // no-warning
#ifndef PEACEFUL
// expected-note@-2 {{'?' condition is true}}
#endif
i > 0 ? (void)(b = std::move(a)) : a.bar(); // no-warning // peaceful-note {{'?' condition is true}}
}
// A variation on the theme above.
{
A a;
a.foo() > 0 ? a.foo() : A(std::move(a)).foo();
#ifdef DFS
#ifndef PEACEFUL
// expected-note@-3 {{Assuming the condition is false}}
// expected-note@-4 {{'?' condition is false}}
#endif
// peaceful-note@-2 {{Assuming the condition is false}}
// peaceful-note@-3 {{'?' condition is false}}
#else
#ifndef PEACEFUL
// expected-note@-8 {{Assuming the condition is true}}
// expected-note@-9 {{'?' condition is true}}
#endif
// peaceful-note@-5 {{Assuming the condition is true}}
// peaceful-note@-6 {{'?' condition is true}}
#endif
}
// Same thing, but with a switch statement.
{
A a, b;
switch (i) {
#ifndef PEACEFUL
// expected-note@-2 {{Control jumps to 'case 1:'}}
#endif
switch (i) { // peaceful-note {{Control jumps to 'case 1:'}}
case 1:
b = std::move(a); // no-warning
break;
#ifndef PEACEFUL
// expected-note@-2 {{Execution jumps to the end of the function}}
#endif
// FIXME: Execution doesn't jump to the end of the function yet.
break; // peaceful-note {{Execution jumps to the end of the function}}
case 2:
a.foo(); // no-warning
break;
@ -710,21 +567,12 @@ void differentBranchesTest(int i) {
// However, if there's a fallthrough, we do warn.
{
A a, b;
switch (i) {
#ifndef PEACEFUL
// expected-note@-2 {{Control jumps to 'case 1:'}}
#endif
switch (i) { // peaceful-note {{Control jumps to 'case 1:'}}
case 1:
b = std::move(a);
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
#endif
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
case 2:
a.foo();
#ifndef PEACEFUL
// expected-warning@-2 {{Method called on moved-from object}}
// expected-note@-3 {{Method called on moved-from object 'a'}}
#endif
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
break;
}
}
@ -739,22 +587,15 @@ void tempTest() {
}
void interFunTest1(A &a) {
a.bar();
#ifndef PEACEFUL
// expected-warning@-2 {{Method called on moved-from object 'a'}}
// expected-note@-3 {{Method called on moved-from object 'a'}}
#endif
a.bar(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
void interFunTest2() {
A a;
A b;
b = std::move(a);
interFunTest1(a);
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-note@-3 {{Calling 'interFunTest1'}}
#endif
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
interFunTest1(a); // peaceful-note {{Calling 'interFunTest1'}}
}
void foobar(A a, int i);
@ -762,12 +603,9 @@ void foobar(int i, A a);
void paramEvaluateOrderTest() {
A a;
foobar(std::move(a), a.getI());
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
foobar(std::move(a), a.getI()); // peaceful-note {{Object 'a' is moved}}
// peaceful-warning@-1 {{Method called on moved-from object 'a'}}
// peaceful-note@-2 {{Method called on moved-from object 'a'}}
//FALSE NEGATIVE since parameters evaluate order is undefined
foobar(a.getI(), std::move(a)); //no-warning
@ -790,14 +628,10 @@ void regionAndPointerEscapeTest() {
{
A a;
A b;
b = std::move(a);
b = std::move(a); // peaceful-note{{Object 'a' is moved}}
not_known_pass_by_const_ref(a);
a.foo();
#ifndef PEACEFUL
// expected-note@-4{{Object 'a' is moved}}
// expected-warning@-3{{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
{
A a;
@ -816,14 +650,10 @@ void regionAndPointerEscapeTest() {
{
A a;
A b;
b = std::move(a);
b = std::move(a); // peaceful-note {{Object 'a' is moved}}
not_known_pass_by_const_ptr(&a);
a.foo();
#ifndef PEACEFUL
// expected-note@-4{{Object 'a' is moved}}
// expected-warning@-3{{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
}
@ -836,12 +666,9 @@ void declarationSequenceTest() {
}
{
A a;
A a1 = std::move(a), a2 = a;
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
// expected-warning@-3 {{Moved-from object 'a' is copied}}
// expected-note@-4 {{Moved-from object 'a' is copied}}
#endif
A a1 = std::move(a), a2 = a; // peaceful-note {{Object 'a' is moved}}
// peaceful-warning@-1 {{Moved-from object 'a' is copied}}
// peaceful-note@-2 {{Moved-from object 'a' is copied}}
}
}
@ -849,74 +676,59 @@ void declarationSequenceTest() {
void logicalOperatorsSequenceTest() {
{
A a;
if (a.foo() > 0 && A(std::move(a)).foo() > 0) {
#ifndef PEACEFUL
// expected-note@-2 {{Assuming the condition is false}}
// expected-note@-3 {{Left side of '&&' is false}}
// expected-note@-4 {{Taking false branch}}
if (a.foo() > 0 && A(std::move(a)).foo() > 0) { // peaceful-note {{Assuming the condition is false}}
// peaceful-note@-1 {{Left side of '&&' is false}}
// peaceful-note@-2 {{Taking false branch}}
// And the other report:
// expected-note@-6 {{Assuming the condition is false}}
// expected-note@-7 {{Left side of '&&' is false}}
// expected-note@-8 {{Taking false branch}}
// peaceful-note@-4 {{Assuming the condition is false}}
// peaceful-note@-5 {{Left side of '&&' is false}}
// peaceful-note@-6 {{Taking false branch}}
A().bar();
#endif
}
}
// A variation: Negate the result of the && (which pushes the && further down
// into the AST).
{
A a;
if (!(a.foo() > 0 && A(std::move(a)).foo() > 0)) {
#ifndef PEACEFUL
// expected-note@-2 {{Assuming the condition is false}}
// expected-note@-3 {{Left side of '&&' is false}}
// expected-note@-4 {{Taking true branch}}
if (!(a.foo() > 0 && A(std::move(a)).foo() > 0)) { // peaceful-note {{Assuming the condition is false}}
// peaceful-note@-1 {{Left side of '&&' is false}}
// peaceful-note@-2 {{Taking true branch}}
// And the other report:
// expected-note@-6 {{Assuming the condition is false}}
// expected-note@-7 {{Left side of '&&' is false}}
// expected-note@-8 {{Taking true branch}}
#endif
// peaceful-note@-4 {{Assuming the condition is false}}
// peaceful-note@-5 {{Left side of '&&' is false}}
// peaceful-note@-6 {{Taking true branch}}
A().bar();
}
}
{
A a;
if (A(std::move(a)).foo() > 0 && a.foo() > 0) {
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
// expected-note@-3 {{Assuming the condition is true}}
// expected-note@-4 {{Left side of '&&' is true}}
// expected-warning@-5 {{Method called on moved-from object 'a'}}
// expected-note@-6 {{Method called on moved-from object 'a'}}
if (A(std::move(a)).foo() > 0 && a.foo() > 0) { // peaceful-note {{Object 'a' is moved}}
// peaceful-note@-1 {{Assuming the condition is true}}
// peaceful-note@-2 {{Left side of '&&' is true}}
// peaceful-warning@-3 {{Method called on moved-from object 'a'}}
// peaceful-note@-4 {{Method called on moved-from object 'a'}}
// And the other report:
// expected-note@-8 {{Assuming the condition is false}}
// expected-note@-9 {{Left side of '&&' is false}}
// expected-note@-10{{Taking false branch}}
#endif
// peaceful-note@-6 {{Assuming the condition is false}}
// peaceful-note@-7 {{Left side of '&&' is false}}
// peaceful-note@-8 {{Taking false branch}}
A().bar();
}
}
{
A a;
if (a.foo() > 0 || A(std::move(a)).foo() > 0) {
#ifndef PEACEFUL
// expected-note@-2 {{Assuming the condition is true}}
// expected-note@-3 {{Left side of '||' is true}}
// expected-note@-4 {{Taking true branch}}
#endif
if (a.foo() > 0 || A(std::move(a)).foo() > 0) { // peaceful-note {{Assuming the condition is true}}
// peaceful-note@-1 {{Left side of '||' is true}}
// peaceful-note@-2 {{Taking true branch}}
A().bar();
}
}
{
A a;
if (A(std::move(a)).foo() > 0 || a.foo() > 0) {
#ifndef PEACEFUL
// expected-note@-2 {{Object 'a' is moved}}
// expected-note@-3 {{Assuming the condition is false}}
// expected-note@-4 {{Left side of '||' is false}}
// expected-warning@-5 {{Method called on moved-from object 'a'}}
// expected-note@-6 {{Method called on moved-from object 'a'}}
#endif
if (A(std::move(a)).foo() > 0 || a.foo() > 0) { // peaceful-note {{Object 'a' is moved}}
// peaceful-note@-1 {{Assuming the condition is false}}
// peaceful-note@-2 {{Left side of '||' is false}}
// peaceful-warning@-3 {{Method called on moved-from object 'a'}}
// peaceful-note@-4 {{Method called on moved-from object 'a'}}
A().bar();
}
}
@ -950,46 +762,30 @@ struct C : public A {
void subRegionMoveTest() {
{
A a;
B b = std::move(a.b);
a.b.foo();
#ifdef AGGRESSIVE
// expected-note@-3{{Object 'b' is moved}}
// expected-warning@-3{{Method called on moved-from object 'b'}}
// expected-note@-4 {{Method called on moved-from object 'b'}}
#endif
B b = std::move(a.b); // aggressive-note {{Object 'b' is moved}}
a.b.foo(); // aggressive-warning {{Method called on moved-from object 'b'}}
// aggressive-note@-1 {{Method called on moved-from object 'b'}}
}
{
A a;
A a1 = std::move(a);
a.b.foo();
#ifdef AGGRESSIVE
// expected-note@-3{{Calling move constructor for 'A'}}
// expected-note@-4{{Returning from move constructor for 'A'}}
// expected-warning@-4{{Method called on moved-from object 'b'}}
// expected-note@-5{{Method called on moved-from object 'b'}}
#endif
A a1 = std::move(a); // aggressive-note {{Calling move constructor for 'A'}}
// aggressive-note@-1 {{Returning from move constructor for 'A'}}
a.b.foo(); // aggressive-warning{{Method called on moved-from object 'b'}}
// aggressive-note@-1{{Method called on moved-from object 'b'}}
}
// Don't report a misuse if any SuperRegion is already reported.
{
A a;
A a1 = std::move(a);
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
A a1 = std::move(a); // peaceful-note {{Object 'a' is moved}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
a.b.foo(); // no-warning
}
{
C c;
C c1 = std::move(c);
c.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'c' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'c'}}
// expected-note@-4 {{Method called on moved-from object 'c'}}
#endif
C c1 = std::move(c); // peaceful-note {{Object 'c' is moved}}
c.foo(); // peaceful-warning {{Method called on moved-from object 'c'}}
// peaceful-note@-1 {{Method called on moved-from object 'c'}}
c.b.foo(); // no-warning
}
}
@ -1010,13 +806,9 @@ void resetSuperClass2() {
void reportSuperClass() {
C c;
C c1 = std::move(c);
c.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'c' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'c'}}
// expected-note@-4 {{Method called on moved-from object 'c'}}
#endif
C c1 = std::move(c); // peaceful-note {{Object 'c' is moved}}
c.foo(); // peaceful-warning {{Method called on moved-from object 'c'}}
// peaceful-note@-1 {{Method called on moved-from object 'c'}}
C c2 = c; // no-warning
}
@ -1106,23 +898,16 @@ class HasSTLField {
std::unique_ptr<int> P;
void testUniquePtr() {
// unique_ptr remains in a well-defined state after move.
std::unique_ptr<int> Q = std::move(P);
P.get();
#ifdef AGGRESSIVE
// expected-warning@-2{{Method called on moved-from object 'P'}}
// expected-note@-4{{Object 'P' is moved}}
// expected-note@-4{{Method called on moved-from object 'P'}}
#endif
std::unique_ptr<int> Q = std::move(P); // aggressive-note {{Object 'P' is moved}}
// non-aggressive-note@-1 {{Smart pointer 'P' of type 'std::unique_ptr' is reset to null when moved from}}
P.get(); // aggressive-warning{{Method called on moved-from object 'P'}}
// aggressive-note@-1{{Method called on moved-from object 'P'}}
// Because that well-defined state is null, dereference is still UB.
// Note that in aggressive mode we already warned about 'P',
// so no extra warning is generated.
*P += 1;
#ifndef AGGRESSIVE
// expected-warning@-2{{Dereference of null smart pointer 'P' of type 'std::unique_ptr'}}
// expected-note@-14{{Smart pointer 'P' of type 'std::unique_ptr' is reset to null when moved from}}
// expected-note@-4{{Dereference of null smart pointer 'P' of type 'std::unique_ptr'}}
#endif
*P += 1; // non-aggressive-warning{{Dereference of null smart pointer 'P' of type 'std::unique_ptr'}}
// non-aggressive-note@-1{{Dereference of null smart pointer 'P' of type 'std::unique_ptr'}}
// The program should have crashed by now.
clang_analyzer_warnIfReached(); // no-warning
@ -1130,25 +915,17 @@ class HasSTLField {
};
void localRValueMove(A &&a) {
A b = std::move(a);
a.foo();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'a' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'a'}}
// expected-note@-4 {{Method called on moved-from object 'a'}}
#endif
A b = std::move(a); // peaceful-note {{Object 'a' is moved}}
a.foo(); // peaceful-warning {{Method called on moved-from object 'a'}}
// peaceful-note@-1 {{Method called on moved-from object 'a'}}
}
void localUniquePtr(std::unique_ptr<int> P) {
// Even though unique_ptr is safe to use after move,
// reusing a local variable this way usually indicates a bug.
std::unique_ptr<int> Q = std::move(P);
P.get();
#ifndef PEACEFUL
// expected-note@-3 {{Object 'P' is moved}}
// expected-warning@-3 {{Method called on moved-from object 'P'}}
// expected-note@-4 {{Method called on moved-from object 'P'}}
#endif
std::unique_ptr<int> Q = std::move(P); // peaceful-note {{Object 'P' is moved}}
P.get(); // peaceful-warning {{Method called on moved-from object 'P'}}
// peaceful-note@-1 {{Method called on moved-from object 'P'}}
}
void localUniquePtrWithArrow(std::unique_ptr<A> P) {