1 // RUN: %clang_analyze_cc1 %s \ 2 // RUN: -Wno-conversion -Wno-tautological-constant-compare \ 3 // RUN: -analyzer-checker=core,apiModeling,alpha.core.Conversion \ 4 // RUN: -analyzer-output=text \ 5 // RUN: -verify 6 7 unsigned char U8; 8 signed char S8; 9 10 void track_assign() { 11 unsigned long L = 1000; // expected-note {{'L' initialized to 1000}} 12 int I = -1; // expected-note {{'I' initialized to -1}} 13 U8 *= L; // expected-warning {{Loss of precision in implicit conversion}} 14 // expected-note@-1 {{Loss of precision in implicit conversion}} 15 L *= I; // expected-warning {{Loss of sign in implicit conversion}} 16 // expected-note@-1 {{Loss of sign in implicit conversion}} 17 } 18 19 void track_relational(unsigned U, signed S) { 20 if (S < -10) { // expected-note {{Taking true branch}} 21 // expected-note@-1 {{Assuming the condition is true}} 22 if (U < S) { // expected-warning {{Loss of sign in implicit conversion}} 23 // expected-note@-1 {{Loss of sign in implicit conversion}} 24 } 25 } 26 } 27