1// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix,debug.ExprInspection -verify %s 2 3int printf(const char *restrict,...); 4 5// Testing core functionality of the region store. 6// radar://10127782 7int compoundLiteralTest() { 8 int index = 0; 9 for (index = 0; index < 2; index++) { 10 int thing = (int []){0, 1}[index]; 11 printf("thing: %i\n", thing); 12 } 13 return 0; 14} 15 16int compoundLiteralTest2() { 17 int index = 0; 18 for (index = 0; index < 3; index++) { 19 int thing = (int [][3]){{0,0,0}, {1,1,1}, {2,2,2}}[index][index]; 20 printf("thing: %i\n", thing); 21 } 22 return 0; 23} 24 25int concreteOffsetBindingIsInvalidatedBySymbolicOffsetAssignment(int length, 26 int i) { 27 int values[length]; 28 values[i] = 4; 29 return values[0]; // no-warning 30} 31 32struct X{ 33 int mem; 34}; 35int initStruct(struct X *st); 36int structOffsetBindingIsInvalidated(int length, int i){ 37 struct X l; 38 initStruct(&l); 39 return l.mem; // no-warning 40} 41 42void clang_analyzer_eval(int); 43void testConstraintOnRegionOffset(int *values, int length, int i){ 44 if (values[1] == 4) { 45 values[i] = 5; 46 clang_analyzer_eval(values[1] == 4);// expected-warning {{UNKNOWN}} 47 } 48} 49 50int initArray(int *values); 51void testConstraintOnRegionOffsetStack(int *values, int length, int i) { 52 if (values[0] == 4) { 53 initArray(values); 54 clang_analyzer_eval(values[0] == 4);// expected-warning {{UNKNOWN}} 55 } 56} 57