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

[Chris B via cfe-commits]

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@@ -2064,6 +2064,9 @@ llvm::Value *CodeGenFunction::EmitToMemory(llvm::Value *Value, QualType Ty) {
 
   if (Ty->isExtVectorBoolType()) {
     llvm::Type *StoreTy = convertTypeForLoadStore(Ty, Value->getType());
+    if (getLangOpts().HLSL)
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llvm-beanz wrote:

Do we need to check HLSL here? We should be able to instead check that StoreTy refers to a smaller integer type than Value->getType() right?

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