[clang] [llvm] Add length HLSL function to DirectX Backend (PR #101256)

[Farzon Lotfi via cfe-commits]

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@@ -0,0 +1,31 @@
+// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm -disable-llvm-passes -verify -verify-ignore-unexpected
+
+void test_too_few_arg()
+{
+	return __builtin_hlsl_elementwise_length();
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farzonl wrote:

same issue in this file normalize to two spaces. 

https://github.com/llvm/llvm-project/pull/101256