[clang] [HLSL] Make memory representation of boolean vectors in HLSL, vectors of i32. Add support for boolean swizzling. (PR #123977)

[Sarah Spall via cfe-commits]

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@@ -410,6 +410,12 @@ VectorType::VectorType(TypeClass tc, QualType vecType, unsigned nElements,
   VectorTypeBits.NumElements = nElements;
 }
 
+bool Type::isPackedVectorBoolType(const ASTContext &ctx) const {
+  if (ctx.getLangOpts().HLSL)
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spall wrote:

The code to state that a bool vector should be a vector of i32s isn't accessible here. 

https://github.com/llvm/llvm-project/pull/123977