[clang] [HLSL] set alwaysinline on HLSL functions (PR #106588)

[Chris B via cfe-commits]

================
@@ -2502,9 +2505,12 @@ void 
CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
   ShouldAddOptNone &= !D->hasAttr<MinSizeAttr>();
   ShouldAddOptNone &= !D->hasAttr<AlwaysInlineAttr>();
 
-  // Add optnone, but do so only if the function isn't always_inline.
-  if ((ShouldAddOptNone || D->hasAttr<OptimizeNoneAttr>()) &&
-      !F->hasFnAttribute(llvm::Attribute::AlwaysInline)) {
+  // alwaysinline all HLSL functions save entry points
----------------
llvm-beanz wrote:

nit: 
```suggestion
  // Add alwaysinline on all HLSL functions except entry points.
```

https://github.com/llvm/llvm-project/pull/106588
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