add isnormal builtin

v2: simplify and remove isnan leftovers
    remove trailing newline

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Aaron Watry <awatry@gmail.com>
llvm-svn: 217244

1 files changed, 18 insertions, 0 deletions

diff --git a/libclc/generic/lib/relational/isnormal.cl b/libclc/generic/lib/relational/isnormal.cl
new file mode 100644
index 00000000000..2e6b42d0017
--- /dev/null
+++ b/libclc/generic/lib/relational/isnormal.cl
@@ -0,0 +1,18 @@
+#include <clc/clc.h>
+#include "relational.h"
+
+_CLC_DEFINE_RELATIONAL_UNARY(int, isnormal, __builtin_isnormal, float)
+
+#ifdef cl_khr_fp64
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+// The scalar version of isnormal(double) returns an int, but the vector versions
+// return long.
+_CLC_DEF _CLC_OVERLOAD int isnormal(double x) {
+  return __builtin_isnormal(x);
+}
+
+_CLC_DEFINE_RELATIONAL_UNARY_VEC_ALL(long, isnormal, double)
+
+#endif