57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
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// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix,debug.ExprInspection -verify %s
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int printf(const char *restrict,...);
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// Testing core functionality of the region store.
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// radar://10127782
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int compoundLiteralTest() {
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int index = 0;
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for (index = 0; index < 2; index++) {
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int thing = (int []){0, 1}[index];
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printf("thing: %i\n", thing);
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}
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return 0;
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}
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int compoundLiteralTest2() {
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int index = 0;
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for (index = 0; index < 3; index++) {
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int thing = (int [][3]){{0,0,0}, {1,1,1}, {2,2,2}}[index][index];
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printf("thing: %i\n", thing);
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}
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return 0;
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}
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int concreteOffsetBindingIsInvalidatedBySymbolicOffsetAssignment(int length,
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int i) {
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int values[length];
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values[i] = 4;
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return values[0]; // no-warning
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}
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struct X{
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int mem;
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};
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int initStruct(struct X *st);
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int structOffsetBindingIsInvalidated(int length, int i){
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struct X l;
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initStruct(&l);
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return l.mem; // no-warning
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}
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void clang_analyzer_eval(int);
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void testConstraintOnRegionOffset(int *values, int length, int i){
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if (values[1] == 4) {
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values[i] = 5;
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clang_analyzer_eval(values[1] == 4);// expected-warning {{UNKNOWN}}
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}
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}
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int initArray(int *values);
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void testConstraintOnRegionOffsetStack(int *values, int length, int i) {
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if (values[0] == 4) {
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initArray(values);
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clang_analyzer_eval(values[0] == 4);// expected-warning {{UNKNOWN}}
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}
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}
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