| 1 | // RUN: rm -rf %t && mkdir %t |
| 2 | // RUN: mkdir -p %t/ctudir2 |
| 3 | // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu \ |
| 4 | // RUN: -emit-pch -o %t/ctudir2/ctu-other.c.ast %S/Inputs/ctu-other.c |
| 5 | // RUN: cp %S/Inputs/ctu-other.c.externalDefMap.txt %t/ctudir2/externalDefMap.txt |
| 6 | // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -std=c89 -analyze \ |
| 7 | // RUN: -analyzer-checker=core,debug.ExprInspection \ |
| 8 | // RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \ |
| 9 | // RUN: -analyzer-config ctu-dir=%t/ctudir2 \ |
| 10 | // RUN: -verify %s |
| 11 | |
| 12 | void clang_analyzer_eval(int); |
| 13 | |
| 14 | // Test typedef and global variable in function. |
| 15 | typedef struct { |
| 16 | int a; |
| 17 | int b; |
| 18 | } FooBar; |
| 19 | extern FooBar fb; |
| 20 | int f(int); |
| 21 | void testGlobalVariable() { |
| 22 | clang_analyzer_eval(f(5) == 1); // expected-warning{{TRUE}} |
| 23 | } |
| 24 | |
| 25 | // Test enums. |
| 26 | int enumCheck(void); |
| 27 | enum A { x, |
| 28 | y, |
| 29 | z }; |
| 30 | void testEnum() { |
| 31 | clang_analyzer_eval(x == 0); // expected-warning{{TRUE}} |
| 32 | clang_analyzer_eval(enumCheck() == 42); // expected-warning{{TRUE}} |
| 33 | } |
| 34 | |
| 35 | // Test that asm import does not fail. |
| 36 | int inlineAsm(); |
| 37 | int testInlineAsm() { |
| 38 | return inlineAsm(); |
| 39 | } |
| 40 | |
| 41 | // Test reporting error in a macro. |
| 42 | struct S; |
| 43 | int g(struct S *); |
| 44 | void testMacro(void) { |
| 45 | g(0); // expected-warning@Inputs/ctu-other.c:29 {{Access to field 'a' results in a dereference of a null pointer (loaded from variable 'ctx')}} |
| 46 | } |
| 47 | |
| 48 | // The external function prototype is incomplete. |
| 49 | // warning:implicit functions are prohibited by c99 |
| 50 | void testImplicit() { |
| 51 | int res = identImplicit(6); // external implicit functions are not inlined |
| 52 | clang_analyzer_eval(res == 6); // expected-warning{{TRUE}} |
| 53 | } |
| 54 | |
| 55 | // Tests the import of functions that have a struct parameter |
| 56 | // defined in its prototype. |
| 57 | struct DataType { |
| 58 | int a; |
| 59 | int b; |
| 60 | }; |
| 61 | int structInProto(struct DataType *d); |
| 62 | void testStructDefInArgument() { |
| 63 | struct DataType d; |
| 64 | d.a = 1; |
| 65 | d.b = 0; |
| 66 | clang_analyzer_eval(structInProto(&d) == 0); // expected-warning{{TRUE}} expected-warning{{FALSE}} |
| 67 | } |
| 68 | |