Added test case to dead stores checker.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49647 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/dead-stores.c b/test/Analysis/dead-stores.c
index 0850755..338465a 100644
--- a/test/Analysis/dead-stores.c
+++ b/test/Analysis/dead-stores.c
@@ -1,21 +1,31 @@
// RUN: clang -warn-dead-stores -verify %s
-void x() {
+void f1() {
int k, y;
int abc=1;
long idx=abc+3*5; // expected-warning {{value stored to variable is never used}}
}
-void a(void *b) {
+void f2(void *b) {
char *c = (char*)b; // no-warning
char *d = b+1; // expected-warning {{value stored to variable is never used}}
printf("%s", c);
}
-void z() {
+void f3() {
int r;
if ((r = f()) != 0) { // no-warning
int y = r; // no-warning
printf("the error is: %d\n", y);
}
}
+
+void f4(int k) {
+
+ k = 1;
+
+ if (k)
+ f1();
+
+ k = 2; // expected-warning {{value stored to variable is never used}}
+}