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// RUN: %clang_analyze_cc1 %s \
// RUN: -analyzer-checker=core,debug.ExprInspection \
// RUN: -analyzer-config eagerly-assume=false \
// RUN: -verify
void clang_analyzer_eval(int);
void clang_analyzer_dump(int);
int test(int x, int y) {
clang_analyzer_dump(-x); // expected-warning{{-reg_$0<int x>}}
clang_analyzer_dump(~x); // expected-warning{{~reg_$0<int x>}}
int z = x + y;
clang_analyzer_dump(-z); // expected-warning{{-((reg_$0<int x>) + (reg_$1<int y>))}}
clang_analyzer_dump(-(x + y)); // expected-warning{{-((reg_$0<int x>) + (reg_$1<int y>))}}
clang_analyzer_dump(-x + y); // expected-warning{{(-reg_$0<int x>) + (reg_$1<int y>)}}
if (-x == 0) {
clang_analyzer_eval(-x == 0); // expected-warning{{TRUE}}
clang_analyzer_eval(-x > 0); // expected-warning{{FALSE}}
clang_analyzer_eval(-x < 0); // expected-warning{{FALSE}}
}
if (~y == 0) {
clang_analyzer_eval(~y == 0); // expected-warning{{TRUE}}
clang_analyzer_eval(~y > 0); // expected-warning{{FALSE}}
clang_analyzer_eval(~y < 0); // expected-warning{{FALSE}}
}
(void)(x);
return 42;
}
void test_svalbuilder_simplification(int x, int y) {
if (x + y != 3)
return;
clang_analyzer_eval(-(x + y) == -3); // expected-warning{{TRUE}}
// FIXME Commutativity is not supported yet.
clang_analyzer_eval(-(y + x) == -3); // expected-warning{{UNKNOWN}}
}
int test_fp(int flag) {
int value;
if (flag == 0)
value = 1;
if (-flag == 0)
return value; // no-warning
return 42;
}
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