196ec9b6fSGabor Marton // RUN: %clang_analyze_cc1 %s \ 296ec9b6fSGabor Marton // RUN: -Wno-conversion -Wno-tautological-constant-compare \ 396ec9b6fSGabor Marton // RUN: -analyzer-checker=core,apiModeling,alpha.core.Conversion \ 496ec9b6fSGabor Marton // RUN: -analyzer-output=text \ 596ec9b6fSGabor Marton // RUN: -verify 696ec9b6fSGabor Marton 796ec9b6fSGabor Marton unsigned char U8; 896ec9b6fSGabor Marton signed char S8; 996ec9b6fSGabor Marton track_assign(void)10*0dd49a56SAaron Ballmanvoid track_assign(void) { 1196ec9b6fSGabor Marton unsigned long L = 1000; // expected-note {{'L' initialized to 1000}} 1296ec9b6fSGabor Marton int I = -1; // expected-note {{'I' initialized to -1}} 1396ec9b6fSGabor Marton U8 *= L; // expected-warning {{Loss of precision in implicit conversion}} 1496ec9b6fSGabor Marton // expected-note@-1 {{Loss of precision in implicit conversion}} 1596ec9b6fSGabor Marton L *= I; // expected-warning {{Loss of sign in implicit conversion}} 1696ec9b6fSGabor Marton // expected-note@-1 {{Loss of sign in implicit conversion}} 1796ec9b6fSGabor Marton } 1896ec9b6fSGabor Marton track_relational(unsigned U,signed S)1996ec9b6fSGabor Martonvoid track_relational(unsigned U, signed S) { 2096ec9b6fSGabor Marton if (S < -10) { // expected-note {{Taking true branch}} 2196ec9b6fSGabor Marton // expected-note@-1 {{Assuming the condition is true}} 2296ec9b6fSGabor Marton if (U < S) { // expected-warning {{Loss of sign in implicit conversion}} 2396ec9b6fSGabor Marton // expected-note@-1 {{Loss of sign in implicit conversion}} 2496ec9b6fSGabor Marton } 2596ec9b6fSGabor Marton } 2696ec9b6fSGabor Marton } 27