1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/builtins-44.c b/gcc/testsuite/gcc.dg/builtins-44.c
new file mode 100644
index 000000000..1f1eaf0f6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/builtins-44.c
@@ -0,0 +1,58 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fno-trapping-math -fno-finite-math-only -fdump-tree-optimized" } */
+  
+extern void f(int);
+extern void link_error ();
+
+extern float x;
+extern double y;
+extern long double z;
+
+int
+main ()
+{
+  double pinf = __builtin_inf ();
+#ifndef __SPU__
+  /* The SPU single-precision floating point format does not support Inf.  */
+  float pinff = __builtin_inff ();
+#endif
+  long double pinfl = __builtin_infl ();
+
+  if (__builtin_isinf (pinf) != 1)
+    link_error ();
+#ifndef __SPU__
+  if (__builtin_isinf (pinff) != 1)
+    link_error ();
+  if (__builtin_isinff (pinff) != 1)
+    link_error ();
+#endif
+  if (__builtin_isinf (pinfl) != 1)
+    link_error ();
+  if (__builtin_isinfl (pinfl) != 1)
+    link_error ();
+
+  if (__builtin_isinf_sign (-pinf) != -1)
+    link_error ();
+#ifndef __SPU__
+  if (__builtin_isinf_sign (-pinff) != -1)
+    link_error ();
+#endif
+  if (__builtin_isinf_sign (-pinfl) != -1)
+    link_error ();
+
+  if (__builtin_isinf (4.0))
+    link_error ();
+  if (__builtin_isinf (4.0))
+    link_error ();
+  if (__builtin_isinff (4.0))
+    link_error ();
+  if (__builtin_isinf (4.0))
+    link_error ();
+  if (__builtin_isinfl (4.0))
+    link_error ();
+}
+
+
+/* Check that all instances of link_error were subject to DCE.  */
+/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */