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-rw-r--r--test/Analysis/global-region-invalidation.c127
1 files changed, 0 insertions, 127 deletions
diff --git a/test/Analysis/global-region-invalidation.c b/test/Analysis/global-region-invalidation.c
deleted file mode 100644
index a40ab392b697..000000000000
--- a/test/Analysis/global-region-invalidation.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// RUN: %clang_analyze_cc1 -triple x86_64-apple-darwin10 -disable-free -analyzer-checker=core,deadcode,alpha.security.taint,debug.TaintTest,debug.ExprInspection -verify %s
-
-void clang_analyzer_eval(int);
-
-// Note, we do need to include headers here, since the analyzer checks if the function declaration is located in a system header.
-#include "Inputs/system-header-simulator.h"
-
-// Test that system header does not invalidate the internal global.
-int size_rdar9373039 = 1;
-int rdar9373039() {
- int x;
- int j = 0;
-
- for (int i = 0 ; i < size_rdar9373039 ; ++i)
- x = 1;
-
- // strlen doesn't invalidate the value of 'size_rdar9373039'.
- int extra = (2 + strlen ("Clang") + ((4 - ((unsigned int) (2 + strlen ("Clang")) % 4)) % 4)) + (2 + strlen ("1.0") + ((4 - ((unsigned int) (2 + strlen ("1.0")) % 4)) % 4));
-
- for (int i = 0 ; i < size_rdar9373039 ; ++i)
- j += x; // no-warning
-
- return j;
-}
-
-// Test stdin does not get invalidated by a system call nor by an internal call.
-void foo();
-int stdinTest() {
- int i = 0;
- fscanf(stdin, "%d", &i);
- foo();
- int m = i; // expected-warning + {{tainted}}
- fscanf(stdin, "%d", &i);
- int j = i; // expected-warning + {{tainted}}
- return m + j; // expected-warning + {{tainted}}
-}
-
-// Test errno gets invalidated by a system call.
-int testErrnoSystem() {
- int i;
- int *p = 0;
- fscanf(stdin, "%d", &i);
- if (errno == 0) {
- fscanf(stdin, "%d", &i); // errno gets invalidated here.
- return 5 / errno; // no-warning
- }
-
- errno = 0;
- fscanf(stdin, "%d", &i); // errno gets invalidated here.
- return 5 / errno; // no-warning
-}
-
-// Test that errno gets invalidated by internal calls.
-int testErrnoInternal() {
- int i;
- int *p = 0;
- fscanf(stdin, "%d", &i);
- if (errno == 0) {
- foo(); // errno gets invalidated here.
- return 5 / errno; // no-warning
- }
- return 0;
-}
-
-// Test that const integer does not get invalidated.
-const int x = 0;
-int constIntGlob() {
- const int *m = &x;
- foo();
- return 3 / *m; // expected-warning {{Division by zero}}
-}
-
-extern const int y;
-int constIntGlobExtern() {
- if (y == 0) {
- foo();
- return 5 / y; // expected-warning {{Division by zero}}
- }
- return 0;
-}
-
-static void * const ptr = 0;
-void constPtrGlob() {
- clang_analyzer_eval(ptr == 0); // expected-warning{{TRUE}}
- foo();
- clang_analyzer_eval(ptr == 0); // expected-warning{{TRUE}}
-}
-
-static const int x2 = x;
-void constIntGlob2() {
- clang_analyzer_eval(x2 == 0); // expected-warning{{TRUE}}
- foo();
- clang_analyzer_eval(x2 == 0); // expected-warning{{TRUE}}
-}
-
-void testAnalyzerEvalIsPure() {
- extern int someGlobal;
- if (someGlobal == 0) {
- clang_analyzer_eval(someGlobal == 0); // expected-warning{{TRUE}}
- clang_analyzer_eval(someGlobal == 0); // expected-warning{{TRUE}}
- }
-}
-
-// Test that static variables with initializers do not get reinitialized on
-// recursive calls.
-void Function2(void);
-int *getPtr();
-void Function1(void) {
- static unsigned flag;
- static int *p = 0;
- if (!flag) {
- flag = 1;
- p = getPtr();
- }
- int m = *p; // no-warning: p is never null.
- m++;
- Function2();
-}
-void Function2(void) {
- Function1();
-}
-
-void SetToNonZero(void) {
- static int g = 5;
- clang_analyzer_eval(g == 5); // expected-warning{{TRUE}}
-}
-