[clang] [llvm] [HLSL] Implement Texture2DArray for HLSL (PR #203951)

[Tim Corringham via cfe-commits]

================
@@ -0,0 +1,31 @@
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-library -x hlsl -finclude-default-header -emit-llvm -disable-llvm-passes -o - %s | llvm-cxxfilt | FileCheck %s
+
----------------
tcorringham wrote:

This test just copies the corresponding test for Texture2D, but checks that the 2nd argument passed to Sample() is a float vector[3] rather than the float vector[2] for Texture2D.

https://github.com/llvm/llvm-project/pull/203951