From 2ef5ec6b2bc0c0bcc5b7b09004de4038fe1f901e Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Fri, 10 Jul 2015 13:37:07 +0000
Subject: Fix implementation of sqrt v2

Passing values less than 0 to the llvm.sqrt() intrinsic results in
undefined behavior, so we need to check the input and return NaN if
is is less than 0.

v2:
  - Fix build failures.

llvm-svn: 241906
---
 libclc/generic/include/clc/math/sqrt.h   | 9 +++------
 libclc/generic/include/clc/math/sqrt.inc | 1 +
 2 files changed, 4 insertions(+), 6 deletions(-)
 create mode 100644 libclc/generic/include/clc/math/sqrt.inc

(limited to 'libclc/generic/include/clc')

diff --git a/libclc/generic/include/clc/math/sqrt.h b/libclc/generic/include/clc/math/sqrt.h
index f69de847e62..ccde9748adb 100644
--- a/libclc/generic/include/clc/math/sqrt.h
+++ b/libclc/generic/include/clc/math/sqrt.h
@@ -1,6 +1,3 @@
-#undef sqrt
-#define sqrt __clc_sqrt
-
-#define __CLC_FUNCTION __clc_sqrt
-#define __CLC_INTRINSIC "llvm.sqrt"
-#include <clc/math/unary_intrin.inc>
+#define __CLC_BODY <clc/math/sqrt.inc>
+#include <clc/math/gentype.inc>
+#undef __CLC_BODY
diff --git a/libclc/generic/include/clc/math/sqrt.inc b/libclc/generic/include/clc/math/sqrt.inc
new file mode 100644
index 00000000000..f629fac761b
--- /dev/null
+++ b/libclc/generic/include/clc/math/sqrt.inc
@@ -0,0 +1 @@
+_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE sqrt(__CLC_GENTYPE a);
-- 
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