[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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@@ -2081,6 +2084,9 @@ llvm::Value *CodeGenFunction::EmitToMemory(llvm::Value *Value, QualType Ty) {
 llvm::Value *CodeGenFunction::EmitFromMemory(llvm::Value *Value, QualType Ty) {
   if (Ty->isExtVectorBoolType()) {
     const auto *RawIntTy = Value->getType();
+    if (getLangOpts().HLSL)
+      return Builder.CreateTrunc(Value, ConvertType(Ty), "loadedv");
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llvm-beanz wrote:

Similar here right? we only need this if the loaded type differs?

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