libclc: Add clamp() builtin for integer/floating point

Created under a new shared/ directory for functions which are available for
both integer and floating point types.

Patch by: Aaron Watry

llvm-svn: 184994

3 files changed, 9 insertions, 0 deletions

diff --git a/libclc/generic/include/clc/clc.h b/libclc/generic/include/clc/clc.h
index f6668a36675..80ecd0175f3 100644
--- a/libclc/generic/include/clc/clc.h
+++ b/libclc/generic/include/clc/clc.h
@@ -67,6 +67,9 @@
 #include <clc/integer/max.h>
 #include <clc/integer/sub_sat.h>
 
+/* 6.11.2 and 6.11.3 Shared Integer/Math Functions */
+#include <clc/shared/clamp.h>
+
 /* 6.11.5 Geometric Functions */
 #include <clc/geometric/cross.h>
 #include <clc/geometric/dot.h>
diff --git a/libclc/generic/include/clc/shared/clamp.h b/libclc/generic/include/clc/shared/clamp.h
new file mode 100644
index 00000000000..5c2ebd06e9d
--- /dev/null
+++ b/libclc/generic/include/clc/shared/clamp.h
@@ -0,0 +1,5 @@
+#define BODY <clc/shared/clamp.inc>
+#include <clc/integer/gentype.inc>
+
+#define BODY <clc/shared/clamp.inc>
+#include <clc/math/gentype.inc>
diff --git a/libclc/generic/include/clc/shared/clamp.inc b/libclc/generic/include/clc/shared/clamp.inc
new file mode 100644
index 00000000000..3e3a4357d38
--- /dev/null
+++ b/libclc/generic/include/clc/shared/clamp.inc
@@ -0,0 +1 @@
+_CLC_OVERLOAD _CLC_DECL GENTYPE clamp(GENTYPE x, GENTYPE y, GENTYPE z);