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// 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_analyze_cc1 -triple x86_64-pc-linux-gnu -std=c89 \
// RUN: -analyzer-checker=core,debug.ExprInspection \
// RUN: -analyzer-config eagerly-assume=false \
// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
// RUN: -analyzer-config ctu-dir=%t/ctudir2 \
// RUN: -analyzer-config ctu-phase1-inlining=none \
// RUN: -verify=newctu %s
// Simulate the behavior of the previous CTU implementation by inlining all
// functions during the first phase. This way, the second phase is a noop.
// RUN: %clang_analyze_cc1 -triple x86_64-pc-linux-gnu -std=c89 \
// RUN: -analyzer-checker=core,debug.ExprInspection \
// RUN: -analyzer-config eagerly-assume=false \
// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
// RUN: -analyzer-config ctu-dir=%t/ctudir2 \
// RUN: -analyzer-config ctu-phase1-inlining=all \
// RUN: -verify=oldctu %s
void clang_analyzer_eval(int);
// A function that's definition is unknown both for single-tu (stu) and ctu
// mode.
int unknown(int);
void test_unknown() {
int res = unknown(6);
clang_analyzer_eval(res == 6); // newctu-warning{{UNKNOWN}}
// oldctu-warning@-1{{UNKNOWN}}
}
// 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); // newctu-warning{{TRUE}} ctu
// newctu-warning@-1{{UNKNOWN}} stu
// oldctu-warning@-2{{TRUE}}
}
// Test enums.
int enumCheck(void);
enum A { x,
y,
z };
void testEnum(void) {
clang_analyzer_eval(x == 0); // newctu-warning{{TRUE}}
// oldctu-warning@-1{{TRUE}}
clang_analyzer_eval(enumCheck() == 42); // newctu-warning{{TRUE}} ctu
// newctu-warning@-1{{UNKNOWN}} stu
// oldctu-warning@-2{{TRUE}}
}
// Test that asm import does not fail.
int inlineAsm(void);
int testInlineAsm(void) {
return inlineAsm();
}
// Test reporting error in a macro.
struct S;
int g(struct S *);
void testMacro(void) {
g(0); // newctu-warning@Inputs/ctu-other.c:29 {{Access to field 'a' results in a dereference of a null pointer (loaded from variable 'ctx')}}
// oldctu-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(void) {
int res = identImplicit(6); // external implicit functions are not inlined
clang_analyzer_eval(res == 6); // newctu-warning{{TRUE}} ctu
// newctu-warning@-1{{UNKNOWN}} stu
// oldctu-warning@-2{{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); // newctu-warning{{1st function call argument is an uninitialized value}}
// oldctu-warning@-1{{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(void) {
struct DataType d;
d.a = 1;
d.b = 0;
// Not imported, thus remains unknown both in stu and ctu.
clang_analyzer_eval(structInProto(&d) == 0); // newctu-warning{{UNKNOWN}}
// oldctu-warning@-1{{UNKNOWN}}
}
int switchWithoutCases(int);
void testSwitchStmtCrash(int x) {
switchWithoutCases(x);
}
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