Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):

http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974

1 files changed, 149 insertions, 0 deletions

diff --git a/test/Sema/outof-range-constant-compare.c b/test/Sema/outof-range-constant-compare.c
new file mode 100644
index 0000000..4b1637c
--- /dev/null
+++ b/test/Sema/outof-range-constant-compare.c
@@ -0,0 +1,149 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -fsyntax-only -Wtautological-constant-out-of-range-compare -verify %s 
+// rdar://12202422
+
+int value(void);
+
+int main()
+{
+    int a = value();
+    if (a == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
+        return 0;
+    if (a != 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
+        return 0;
+    if (a < 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
+        return 0;
+    if (a <= 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
+        return 0;
+    if (a > 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
+        return 0;
+    if (a >= 0x1234567812345678L)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
+        return 0;
+
+    if (0x1234567812345678L == a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
+        return 0;
+    if (0x1234567812345678L != a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
+        return 0;
+    if (0x1234567812345678L < a)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
+        return 0;
+    if (0x1234567812345678L <= a)  // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
+        return 0;
+    if (0x1234567812345678L > a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
+        return 0;
+    if (0x1234567812345678L >= a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
+        return 0;
+    if (a == 0x1234567812345678LL) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
+      return 0;
+    if (a == -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
+      return 0;
+    if (a < -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
+      return 0;
+    if (a > -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always true}}
+      return 0;
+    if (a <= -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
+      return 0;
+    if (a >= -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always true}}
+      return 0;
+
+
+    if (a == 0x12345678L) // no warning
+      return 1;
+
+    short s = value();
+    if (s == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
+        return 0;
+    if (s != 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
+        return 0;
+    if (s < 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
+        return 0;
+    if (s <= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
+        return 0;
+    if (s > 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
+        return 0;
+    if (s >= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
+        return 0;
+
+    if (0x1234567812345678L == s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
+        return 0;
+    if (0x1234567812345678L != s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
+        return 0;
+    if (0x1234567812345678L < s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
+        return 0;
+    if (0x1234567812345678L <= s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
+        return 0;
+    if (0x1234567812345678L > s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
+        return 0;
+    if (0x1234567812345678L >= s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
+        return 0;
+    long l = value();
+    if (l == 0x1234567812345678L)
+        return 0;
+    if (l != 0x1234567812345678L)
+        return 0;
+    if (l < 0x1234567812345678L)
+        return 0;
+    if (l <= 0x1234567812345678L)
+        return 0;
+    if (l > 0x1234567812345678L)
+        return 0;
+    if (l >= 0x1234567812345678L)
+        return 0;
+
+    if (0x1234567812345678L == l)
+        return 0;
+    if (0x1234567812345678L != l)
+        return 0;
+    if (0x1234567812345678L < l)
+        return 0;
+    if (0x1234567812345678L <= l)
+        return 0;
+    if (0x1234567812345678L > l)
+        return 0;
+    if (0x1234567812345678L >= l)
+        return 0;
+
+    unsigned un = 0;
+    if (un == 0x0000000000000000L)
+        return 0;
+    if (un != 0x0000000000000000L)
+        return 0;
+    if (un < 0x0000000000000000L)
+        return 0;
+    if (un <= 0x0000000000000000L)
+        return 0;
+    if (un > 0x0000000000000000L)
+        return 0;
+    if (un >= 0x0000000000000000L)
+        return 0;
+
+    if (0x0000000000000000L == un)
+        return 0;
+    if (0x0000000000000000L != un)
+        return 0;
+    if (0x0000000000000000L < un)
+        return 0;
+    if (0x0000000000000000L <= un)
+        return 0;
+    if (0x0000000000000000L > un)
+        return 0;
+    if (0x0000000000000000L >= un)
+        return 0;
+    float fl = 0;
+    if (fl == 0x0000000000000000L) // no warning
+      return 0;
+
+    float dl = 0;
+    if (dl == 0x0000000000000000L) // no warning
+      return 0;
+
+    enum E {
+    yes,
+    no, 
+    maybe
+    };
+    enum E e;
+
+    if (e == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'enum E' is always false}}
+      return 0;
+
+    return 1;
+}