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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp93.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp93.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp93.c
new file mode 100644
index 000000000..d78c399c3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp93.c
@@ -0,0 +1,36 @@
+/* PR target/29776 */
+/* PR tree-optimization/61725 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+/* { dg-final { scan-tree-dump-not "link_error" "vrp1"} } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */
+
+#define A(fn, arg, min, max) \
+ if (__builtin_##fn (arg) < min || __builtin_##fn (arg) > max) \
+ link_error ();
+#define B(fn, min, max) \
+ A (fn, a, min, max) A (fn##l, b, min, max) A (fn##ll, c, min, max)
+#define C(fn, min, sub) \
+ A (fn, a, min, ((int) sizeof (a) * __CHAR_BIT__ - sub)) \
+ A (fn##l, b, min, ((int) sizeof (b) * __CHAR_BIT__ - sub)) \
+ A (fn##ll, c, min, ((int) sizeof (c) * __CHAR_BIT__ - sub))
+
+extern void link_error (void);
+
+unsigned int d;
+unsigned long e;
+unsigned long long f;
+
+void
+foo (int a, long b, long long c)
+{
+ C (ffs, 0, 0)
+ a &= 63; b &= 63; c &= 63;
+ B (ffs, 0, 6)
+ a++; b++; c++;
+ B (ffs, 1, 7)
+ a -= 2; b -= 2; c -= 2;
+ C (ffs, 0, 0)
+ a -= 63; b -= 63; c -= 63;
+ C (ffs, 1, 0)
+}