forked from OSchip/llvm-project
84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
// RUN: rm -rf %t
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// RUN: mkdir -p %t
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// RUN: cp "%s" "%t/ctu-on-demand-parsing.c"
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// RUN: cp "%S/Inputs/ctu-other.c" "%t/ctu-other.c"
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//
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// Path substitutions on Windows platform could contain backslashes. These are escaped in the json file.
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// compile_commands.json is only needed for extdef_mapping, not for the analysis itself.
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// RUN: echo '[{"directory":"%t","command":"gcc -std=c89 -Wno-visibility ctu-other.c","file":"ctu-other.c"}]' | sed -e 's/\\/\\\\/g' > %t/compile_commands.json
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//
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// RUN: echo '"%t/ctu-other.c": ["gcc", "-std=c89", "-Wno-visibility", "ctu-other.c"]' | sed -e 's/\\/\\\\/g' > %t/invocations.yaml
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//
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// RUN: cd "%t" && %clang_extdef_map "%t/ctu-other.c" > externalDefMap.txt
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//
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// RUN: cd "%t" && %clang_cc1 -fsyntax-only -std=c89 -analyze \
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// RUN: -analyzer-checker=core,debug.ExprInspection \
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// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
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// RUN: -analyzer-config ctu-dir=. \
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// RUN: -analyzer-config ctu-invocation-list=invocations.yaml \
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// RUN: -verify ctu-on-demand-parsing.c
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//
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// FIXME: Path handling should work on all platforms.
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// REQUIRES: linux
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void clang_analyzer_eval(int);
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// Test typedef and global variable in function.
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typedef struct {
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int a;
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int b;
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} FooBar;
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extern FooBar fb;
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int f(int);
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void testGlobalVariable() {
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clang_analyzer_eval(f(5) == 1); // expected-warning{{TRUE}}
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}
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// Test enums.
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int enumCheck(void);
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enum A { x,
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y,
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z };
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void testEnum() {
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clang_analyzer_eval(x == 0); // expected-warning{{TRUE}}
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clang_analyzer_eval(enumCheck() == 42); // expected-warning{{TRUE}}
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}
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// Test that asm import does not fail.
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int inlineAsm();
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int testInlineAsm() { return inlineAsm(); }
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// Test reporting error in a macro.
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struct S;
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int g(struct S *);
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void testMacro(void) {
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g(0);
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// expected-warning@ctu-other.c:29 {{Access to field 'a' results in a dereference of a null pointer (loaded from variable 'ctx')}}
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}
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// The external function prototype is incomplete.
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// warning:implicit functions are prohibited by c99
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void testImplicit() {
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int res = identImplicit(6); // external implicit functions are not inlined
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clang_analyzer_eval(res == 6); // expected-warning{{TRUE}}
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// Call something with uninitialized from the same function in which the
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// implicit was called. This is necessary to reproduce a special bug in
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// NoStoreFuncVisitor.
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int uninitialized;
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h(uninitialized); // expected-warning{{1st function call argument is an uninitialized value}}
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}
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// Tests the import of functions that have a struct parameter
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// defined in its prototype.
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struct DataType {
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int a;
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int b;
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};
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int structInProto(struct DataType *d);
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void testStructDefInArgument() {
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struct DataType d;
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d.a = 1;
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d.b = 0;
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clang_analyzer_eval(structInProto(&d) == 0); // expected-warning{{TRUE}} expected-warning{{FALSE}}
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}
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