-// RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-store=region -verify -Wno-unreachable-code -ffreestanding %s
+// RUN: %clang_analyze_cc1 -verify %s \
+// RUN: -Wno-unreachable-code -ffreestanding \
+// RUN: -analyzer-checker=core \
+// RUN: -analyzer-checker=debug.ExprInspection
#include <stdint.h>
+int clang_analyzer_eval(int);
+
void f1(int * p) {
-
// This branch should be infeasible
// because __imag__ p is 0.
if (!p && __imag__ (intptr_t) p)
*p = 2; // expected-warning{{Dereference of null pointer}}
}
+
+void complexFloat(__complex__ float f) {
+ clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
+ clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
+
+ __real__(f) = 1;
+ __imag__(f) = 1;
+
+ clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
+ clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
+}
+
+void complexInt(__complex__ int f) {
+ clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
+ clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
+
+ __real__(f) = 1;
+ __imag__(f) = 1;
+
+ clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
+ clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
+}
__complex__ int y;
};
-// FIXME: Currently this causes (unrelated to this checker) an assertion
-// failure.
-//
-//struct ComplexInitTest {
-// ComplexInitTest() {
-// x = {1.0f, 1.0f};
-// y = {1, 1};
-// }
-// __complex__ float x;
-// __complex__ int y;
-//};
+struct ComplexInitTest {
+ ComplexInitTest() {
+ x = {1.0f, 1.0f};
+ y = {1, 1};
+ }
+ __complex__ float x;
+ __complex__ int y;
+};
void fComplexTest() {
-// ComplexInitTest x;
+ ComplexInitTest x;
// TODO: we should emit a warning for x2.x and x2.y.
ComplexUninitTest x2;