| // RUN: %clang_analyze_cc1 %s \ |
| // RUN: -Wno-conversion -Wno-tautological-constant-compare \ |
| // RUN: -analyzer-checker=core,apiModeling,alpha.core.Conversion \ |
| // RUN: -analyzer-output=text \ |
| // RUN: -verify |
| |
| unsigned char U8; |
| signed char S8; |
| |
| void track_assign(void) { |
| unsigned long L = 1000; // expected-note {{'L' initialized to 1000}} |
| int I = -1; // expected-note {{'I' initialized to -1}} |
| U8 *= L; // expected-warning {{Loss of precision in implicit conversion}} |
| // expected-note@-1 {{Loss of precision in implicit conversion}} |
| L *= I; // expected-warning {{Loss of sign in implicit conversion}} |
| // expected-note@-1 {{Loss of sign in implicit conversion}} |
| } |
| |
| void track_relational(unsigned U, signed S) { |
| if (S < -10) { // expected-note {{Taking true branch}} |
| // expected-note@-1 {{Assuming the condition is true}} |
| if (U < S) { // expected-warning {{Loss of sign in implicit conversion}} |
| // expected-note@-1 {{Loss of sign in implicit conversion}} |
| } |
| } |
| } |
