DxiLValidation variable capitalization coding standards

[pow2clk]

Capitalize all the variables and rename a few in DxilValidation.cpp in keeping with https://llvm.org/docs/CodingStandards.html#name-types-functions-variables-and-enumerators-properly

As this file was easily mistaken for applying to the golden rule: https://llvm.org/docs/CodingStandards.html#name-types-functions-variables-and-enumerators-properly it is at serious risk of receiving changes that will get hung up by requirements to follow the LLVM coding guidelines. This brings the cases where variable capitalization is not in line with the coding standards to avoid such pitfalls in the future.

[github-actions]

⚠️ C/C++ code formatter, clang-format found issues in your code. ⚠️

You can test this locally with the following command:

git-clang-format --diff 048f18e896a4817e8b895861cc171872d4f6815c 415e3a9f069809663e8fd267da689dbc91130d8f -- lib/DxilValidation/DxilValidation.cpp

View the diff from clang-format here.

diff --git a/lib/DxilValidation/DxilValidation.cpp b/lib/DxilValidation/DxilValidation.cpp
index 8fa89dcb..f25208e7 100644
--- a/lib/DxilValidation/DxilValidation.cpp
+++ b/lib/DxilValidation/DxilValidation.cpp
@@ -4269,7 +4269,7 @@ static void ValidateSignatureElement(DxilSignatureElement &SE,
   case DXIL::SemanticKind::DomainLocation:
   case DXIL::SemanticKind::Invalid:
     DXASSERT(!AllowedInSig, "else internal inconsistency between semantic "
-                             "interpretation table and validation code");
+                            "interpretation table and validation code");
     break;
   case DXIL::SemanticKind::Barycentrics:
     IsBarycentric = true;

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