xref: /llvm-project/clang/test/Analysis/designated-initializer-values.c (revision 0dd49a5628bbe01cecf6516017da59ae44863ab3)
19fdcae7cSGabor Horvath // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -std=c99 -verify %s
29fdcae7cSGabor Horvath 
39fdcae7cSGabor Horvath void clang_analyzer_eval(int);
49fdcae7cSGabor Horvath 
array_init(void)5*0dd49a56SAaron Ballman void array_init(void) {
69fdcae7cSGabor Horvath   int a[5] = {[4] = 29, [2] = 15, [0] = 4};
79fdcae7cSGabor Horvath   clang_analyzer_eval(a[0] == 4);  // expected-warning{{TRUE}}
89fdcae7cSGabor Horvath   clang_analyzer_eval(a[1] == 0);  // expected-warning{{TRUE}}
99fdcae7cSGabor Horvath   clang_analyzer_eval(a[2] == 15); // expected-warning{{TRUE}}
109fdcae7cSGabor Horvath   clang_analyzer_eval(a[3] == 0);  // expected-warning{{TRUE}}
119fdcae7cSGabor Horvath   clang_analyzer_eval(a[4] == 29); // expected-warning{{TRUE}}
129fdcae7cSGabor Horvath   int b[5] = {[0 ... 2] = 1, [4] = 5};
139fdcae7cSGabor Horvath   clang_analyzer_eval(b[0] == 1); // expected-warning{{TRUE}}
149fdcae7cSGabor Horvath   clang_analyzer_eval(b[1] == 1); // expected-warning{{TRUE}}
159fdcae7cSGabor Horvath   clang_analyzer_eval(b[2] == 1); // expected-warning{{TRUE}}
169fdcae7cSGabor Horvath   clang_analyzer_eval(b[3] == 0); // expected-warning{{TRUE}}
179fdcae7cSGabor Horvath   clang_analyzer_eval(b[4] == 5); // expected-warning{{TRUE}}
189fdcae7cSGabor Horvath }
199fdcae7cSGabor Horvath 
209fdcae7cSGabor Horvath struct point {
219fdcae7cSGabor Horvath   int x, y;
229fdcae7cSGabor Horvath };
239fdcae7cSGabor Horvath 
struct_init(void)24*0dd49a56SAaron Ballman void struct_init(void) {
259fdcae7cSGabor Horvath   struct point p = {.y = 5, .x = 3};
269fdcae7cSGabor Horvath   clang_analyzer_eval(p.x == 3); // expected-warning{{TRUE}}
279fdcae7cSGabor Horvath   clang_analyzer_eval(p.y == 5); // expected-warning{{TRUE}}
289fdcae7cSGabor Horvath }
299fdcae7cSGabor Horvath 
array_of_struct(void)30*0dd49a56SAaron Ballman void array_of_struct(void) {
319fdcae7cSGabor Horvath   struct point ptarray[3] = { [2].y = 1, [2].x = 2, [0].x = 3 };
329fdcae7cSGabor Horvath   clang_analyzer_eval(ptarray[0].x == 3); // expected-warning{{TRUE}}
339fdcae7cSGabor Horvath   clang_analyzer_eval(ptarray[0].y == 0); // expected-warning{{TRUE}}
349fdcae7cSGabor Horvath   clang_analyzer_eval(ptarray[1].x == 0); // expected-warning{{TRUE}}
359fdcae7cSGabor Horvath   clang_analyzer_eval(ptarray[1].y == 0); // expected-warning{{TRUE}}
369fdcae7cSGabor Horvath   clang_analyzer_eval(ptarray[2].x == 2); // expected-warning{{TRUE}}
379fdcae7cSGabor Horvath   clang_analyzer_eval(ptarray[2].y == 1); // expected-warning{{TRUE}}
389fdcae7cSGabor Horvath }
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