This revision was automatically updated to reflect the committed changes.
Closed by commit rL368853: [analyzer][NFC] Prove that we only track the
evaluated part of the condition (authored by Szelethus, committed by ).
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
Changed prior to commit:
https://reviews.llvm.org/D65290?vs=211779&id=215110#toc
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D65290/new/
https://reviews.llvm.org/D65290
Files:
cfe/trunk/test/Analysis/track-control-dependency-conditions.cpp
Index: cfe/trunk/test/Analysis/track-control-dependency-conditions.cpp
===================================================================
--- cfe/trunk/test/Analysis/track-control-dependency-conditions.cpp
+++ cfe/trunk/test/Analysis/track-control-dependency-conditions.cpp
@@ -532,6 +532,7 @@
}
#undef assert
+
} // end of namespace dont_track_assertlike_and_conditions
namespace dont_track_assertlike_or_conditions {
@@ -697,3 +698,37 @@
#undef assert
} // end of namespace dont_track_assert2like_or_conditions
+
+namespace only_track_the_evaluated_condition {
+
+bool coin();
+
+void bar(int &flag) {
+ flag = coin(); // tracking-note{{Value assigned to 'flag'}}
+}
+
+void bar2(int &flag2) {
+ flag2 = coin();
+}
+
+void f(int *x) {
+ if (x) // expected-note{{Assuming 'x' is null}}
+ // debug-note@-1{{Tracking condition 'x'}}
+ // expected-note@-2{{Taking false branch}}
+ return;
+
+ int flag, flag2;
+ bar(flag); // tracking-note{{Calling 'bar'}}
+ // tracking-note@-1{{Returning from 'bar'}}
+ bar2(flag2);
+
+ if (flag && flag2) // expected-note {{Assuming 'flag' is 0}}
+ // expected-note@-1{{Left side of '&&' is false}}
+ // debug-note@-2{{Tracking condition 'flag'}}
+ return;
+
+ *x = 5; // expected-warning{{Dereference of null pointer}}
+ // expected-note@-1{{Dereference of null pointer}}
+}
+
+} // end of namespace only_track_the_evaluated_condition
Index: cfe/trunk/test/Analysis/track-control-dependency-conditions.cpp
===================================================================
--- cfe/trunk/test/Analysis/track-control-dependency-conditions.cpp
+++ cfe/trunk/test/Analysis/track-control-dependency-conditions.cpp
@@ -532,6 +532,7 @@
}
#undef assert
+
} // end of namespace dont_track_assertlike_and_conditions
namespace dont_track_assertlike_or_conditions {
@@ -697,3 +698,37 @@
#undef assert
} // end of namespace dont_track_assert2like_or_conditions
+
+namespace only_track_the_evaluated_condition {
+
+bool coin();
+
+void bar(int &flag) {
+ flag = coin(); // tracking-note{{Value assigned to 'flag'}}
+}
+
+void bar2(int &flag2) {
+ flag2 = coin();
+}
+
+void f(int *x) {
+ if (x) // expected-note{{Assuming 'x' is null}}
+ // debug-note@-1{{Tracking condition 'x'}}
+ // expected-note@-2{{Taking false branch}}
+ return;
+
+ int flag, flag2;
+ bar(flag); // tracking-note{{Calling 'bar'}}
+ // tracking-note@-1{{Returning from 'bar'}}
+ bar2(flag2);
+
+ if (flag && flag2) // expected-note {{Assuming 'flag' is 0}}
+ // expected-note@-1{{Left side of '&&' is false}}
+ // debug-note@-2{{Tracking condition 'flag'}}
+ return;
+
+ *x = 5; // expected-warning{{Dereference of null pointer}}
+ // expected-note@-1{{Dereference of null pointer}}
+}
+
+} // end of namespace only_track_the_evaluated_condition
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