================
@@ -280,6 +280,22 @@ constexpr bool4 isinf(double4 V) { return
isinf((float4)V); }
_DXC_COMPAT_TERNARY_DOUBLE_OVERLOADS(lerp)
_DXC_COMPAT_TERNARY_INTEGER_OVERLOADS(lerp)
+//===----------------------------------------------------------------------===//
+// lit builtins overloads
+//===----------------------------------------------------------------------===//
+
+template <typename T>
+constexpr __detail::enable_if_t<__detail::is_arithmetic<T>::Value &&
+ (__detail::is_same<double, T>::value ||
----------------
farzonl wrote:
> I don't understand why `lit(bool,bool,bool)` isn't ambiguous.
>
> C++ doesn't have half types, but defining two functions
> `lit(float,float,float)` and `lit(double,double,double)` and then calling
> `lit(bool,bool,bool)` results in a compilation error `error: call to 'lit' is
> ambiguous` in Clang as seen here: https://godbolt.org/z/Y3ThTfEs9 Is there
> special case handling for overload resolution implemented for HLSL?
This falls under a compat overload cast that @kmpeng most recent change makes
more clear. https://hlsl.godbolt.org/z/vG7rY9WrT
https://github.com/llvm/llvm-project/pull/134171
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