[clang] [HLSL] Add 6.2 SM on half availability for length intrinsic (PR #122337)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-x86

Author: Farzon Lotfi (farzonl)

<details>
<summary>Changes</summary>

- attribute keeps getting deleted on bad rebases

---
Full diff: https://github.com/llvm/llvm-project/pull/122337.diff


1 Files Affected:

- (modified) clang/lib/Headers/hlsl/hlsl_intrinsics.h (+2) 


``````````diff
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index cf287e598f76ba..7105d83078a9d7 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -1297,9 +1297,11 @@ float4 lerp(float4, float4, float4);
 ///
 /// Length is based on the following formula: sqrt(x[0]^2 + x[1]^2 + ...).
 
+_HLSL_16BIT_AVAILABILITY(shadermodel, 6.2)
 const inline half length(half X) { return __detail::length_impl(X); }
 const inline float length(float X) { return __detail::length_impl(X); }
 
+_HLSL_16BIT_AVAILABILITY(shadermodel, 6.2)
 template <int N> const inline half length(vector<half, N> X) {
   return __detail::length_vec_impl(X);
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/122337