[llvm] [llvm][IR] Add per-global code model attribute (PR #72077)

[Arthur Eubanks via llvm-commits]

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@@ -1144,6 +1144,22 @@ static bool getDecodedDSOLocal(unsigned Val) {
   }
 }
 
+static CodeModel::Model getDecodedCodeModel(unsigned Val) {
+  switch (Val) {
+  case 1:
+    return CodeModel::Tiny;
+  default: // Map unknown values to small.
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aeubanks wrote:

should error out on invalid value

https://github.com/llvm/llvm-project/pull/72077