[clang] [llvm] [X86][APX] Disable PP2/PPX generation on Windows (PR #178122)

[Phoebe Wang via llvm-commits]

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@@ -2167,8 +2167,10 @@ StringMap<bool> sys::getHostCPUFeatures() {
   bool HasAVX10 = HasLeaf7Subleaf1 && ((EDX >> 19) & 1);
   bool HasAPXF = HasLeaf7Subleaf1 && ((EDX >> 21) & 1) && HasAPXSave;
   Features["egpr"] = HasAPXF;
+#ifndef _WIN32
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phoebewang wrote:

Done. I think so, but it's not clear to me now. I think it's fine here now. Host means build and run must be on the same machine with the same OS (notes APXSave is OS dependent already). So we don't worry about it's enabled or disabled incorrectly.

https://github.com/llvm/llvm-project/pull/178122