forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			55 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_analyze_cc1 \
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| // RUN:  -analyzer-checker=debug.ExprInspection \
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| // RUN:  -verify %s 2>&1 | FileCheck %s
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| 
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| // Self-tests for the debug.ExprInspection checker.
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| 
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| void clang_analyzer_dump(int x);
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| void clang_analyzer_dump_pointer(int *p);
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| void clang_analyzer_printState();
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| void clang_analyzer_numTimesReached();
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| 
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| void foo(int x) {
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|   clang_analyzer_dump(x); // expected-warning{{reg_$0<int x>}}
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|   clang_analyzer_dump(x + (-1)); // expected-warning{{(reg_$0<int x>) + -1}}
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|   int y = 1;
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|   for (; y < 3; ++y) {
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|     clang_analyzer_numTimesReached(); // expected-warning{{2}}
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| 
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|     if (y == 2) {
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|       int z = x > 13;
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|       if (!z)
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|         clang_analyzer_printState();
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|     }
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|   }
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| }
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| 
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| // CHECK:      "program_state": {
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| // CHECK-NEXT:   "store": { "pointer": "{{0x[0-9a-f]+}}", "items": [
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| // CHECK-NEXT:     { "cluster": "y", "pointer": "{{0x[0-9a-f]+}}", "items": [
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| // CHECK-NEXT:       { "kind": "Direct", "offset": 0, "value": "2 S32b" }
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| // CHECK-NEXT:     ]}
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| // CHECK-NEXT:   ]},
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| // CHECK-NEXT:   "environment": { "pointer": "{{0x[0-9a-f]+}}", "items": [
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| // CHECK-NEXT:     { "lctx_id": {{[0-9]+}}, "location_context": "#0 Call", "calling": "foo", "location": null, "items": [
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| // CHECK-NEXT:       { "stmt_id": {{[0-9]+}}, "pretty": "clang_analyzer_printState", "value": "&code{clang_analyzer_printState}" }
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| // CHECK-NEXT:     ]}
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| // CHECK-NEXT:   ]},
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| // CHECK-NEXT:   "constraints": [
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| // CHECK-NEXT:     { "symbol": "reg_$0<int x>", "range": "{ [-2147483648, 13] }" }
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| // CHECK-NEXT:   ],
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| // CHECK-NEXT:   "dynamic_types": null,
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| // CHECK-NEXT:   "dynamic_casts": null,
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| // CHECK-NEXT:   "constructing_objects": null,
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| // CHECK-NEXT:   "checker_messages": null
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| // CHECK-NEXT: }
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| 
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| struct S {
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|   int x, y;
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| };
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| 
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| void test_field_dumps(struct S s, struct S *p) {
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|   clang_analyzer_dump_pointer(&s.x); // expected-warning{{&s.x}}
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|   clang_analyzer_dump_pointer(&p->x); // expected-warning{{&SymRegion{reg_$1<struct S * p>}.x}}
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| }
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