72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
// RUN: rm -rf %t && mkdir %t
|
|
// RUN: mkdir -p %t/ctudir2
|
|
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu \
|
|
// RUN: -emit-pch -o %t/ctudir2/ctu-other.c.ast %S/Inputs/ctu-other.c
|
|
// RUN: cp %S/Inputs/ctu-other.c.externalDefMap.ast-dump.txt %t/ctudir2/externalDefMap.txt
|
|
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -std=c89 -analyze \
|
|
// RUN: -analyzer-checker=core,debug.ExprInspection \
|
|
// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
|
|
// RUN: -analyzer-config ctu-dir=%t/ctudir2 \
|
|
// RUN: -verify %s
|
|
|
|
void clang_analyzer_eval(int);
|
|
|
|
// Test typedef and global variable in function.
|
|
typedef struct {
|
|
int a;
|
|
int b;
|
|
} FooBar;
|
|
extern FooBar fb;
|
|
int f(int);
|
|
void testGlobalVariable() {
|
|
clang_analyzer_eval(f(5) == 1); // expected-warning{{TRUE}}
|
|
}
|
|
|
|
// Test enums.
|
|
int enumCheck(void);
|
|
enum A { x,
|
|
y,
|
|
z };
|
|
void testEnum() {
|
|
clang_analyzer_eval(x == 0); // expected-warning{{TRUE}}
|
|
clang_analyzer_eval(enumCheck() == 42); // expected-warning{{TRUE}}
|
|
}
|
|
|
|
// Test that asm import does not fail.
|
|
int inlineAsm();
|
|
int testInlineAsm() {
|
|
return inlineAsm();
|
|
}
|
|
|
|
// Test reporting error in a macro.
|
|
struct S;
|
|
int g(struct S *);
|
|
void testMacro(void) {
|
|
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')}}
|
|
}
|
|
|
|
// The external function prototype is incomplete.
|
|
// warning:implicit functions are prohibited by c99
|
|
void testImplicit() {
|
|
int res = identImplicit(6); // external implicit functions are not inlined
|
|
clang_analyzer_eval(res == 6); // expected-warning{{TRUE}}
|
|
// Call something with uninitialized from the same function in which the implicit was called.
|
|
// This is necessary to reproduce a special bug in NoStoreFuncVisitor.
|
|
int uninitialized;
|
|
h(uninitialized); // expected-warning{{1st function call argument is an uninitialized value}}
|
|
}
|
|
|
|
// Tests the import of functions that have a struct parameter
|
|
// defined in its prototype.
|
|
struct DataType {
|
|
int a;
|
|
int b;
|
|
};
|
|
int structInProto(struct DataType *d);
|
|
void testStructDefInArgument() {
|
|
struct DataType d;
|
|
d.a = 1;
|
|
d.b = 0;
|
|
clang_analyzer_eval(structInProto(&d) == 0); // expected-warning{{TRUE}} expected-warning{{FALSE}}
|
|
}
|