add isunordered builtin

v2: remove trailing newline

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Aaron Watry <awatry@gmail.com>
llvm-svn: 217246

4 files changed, 33 insertions, 0 deletions

diff --git a/libclc/generic/include/clc/clc.h b/libclc/generic/include/clc/clc.h
index d868c5ecd78..6fcf3442ae4 100644
--- a/libclc/generic/include/clc/clc.h
+++ b/libclc/generic/include/clc/clc.h
@@ -124,6 +124,7 @@
 #include <clc/relational/isnan.h>
 #include <clc/relational/isnormal.h>
 #include <clc/relational/isnotequal.h>
+#include <clc/relational/isunordered.h>
 #include <clc/relational/select.h>
 #include <clc/relational/signbit.h>
 
diff --git a/libclc/generic/include/clc/relational/isunordered.h b/libclc/generic/include/clc/relational/isunordered.h
new file mode 100644
index 00000000000..a6b8e2557d2
--- /dev/null
+++ b/libclc/generic/include/clc/relational/isunordered.h
@@ -0,0 +1,9 @@
+#undef isunordered
+
+#define __CLC_FUNCTION isunordered
+#define __CLC_BODY <clc/relational/binary_decl.inc>
+
+#include <clc/relational/floatn.inc>
+
+#undef __CLC_BODY
+#undef __CLC_FUNCTION
diff --git a/libclc/generic/lib/SOURCES b/libclc/generic/lib/SOURCES
index 3ece265f82e..04c50d4e948 100644
--- a/libclc/generic/lib/SOURCES
+++ b/libclc/generic/lib/SOURCES
@@ -59,6 +59,7 @@ relational/islessgreater.cl
 relational/isnan.cl
 relational/isnormal.cl
 relational/isnotequal.cl
+relational/isunordered.cl
 relational/signbit.cl
 shared/clamp.cl
 shared/max.cl
diff --git a/libclc/generic/lib/relational/isunordered.cl b/libclc/generic/lib/relational/isunordered.cl
new file mode 100644
index 00000000000..8bc5e3fa7f6
--- /dev/null
+++ b/libclc/generic/lib/relational/isunordered.cl
@@ -0,0 +1,22 @@
+#include <clc/clc.h>
+#include "relational.h"
+
+//Note: It would be nice to use __builtin_isunordered with vector inputs, but it seems to only take scalar values as
+//      input, which will produce incorrect output for vector input types.
+
+_CLC_DEFINE_RELATIONAL_BINARY(int, isunordered, __builtin_isunordered, float, float)
+
+#ifdef cl_khr_fp64
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+// The scalar version of isunordered(double, double) returns an int, but the vector versions
+// return long.
+
+_CLC_DEF _CLC_OVERLOAD int isunordered(double x, double y){
+	return __builtin_isunordered(x, y);
+}
+
+_CLC_DEFINE_RELATIONAL_BINARY_VEC_ALL(long, isunordered, double, double)
+
+#endif