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

[Arthur Eubanks via llvm-commits]

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@@ -757,6 +757,7 @@ Syntax::
                          <global | constant> <Type> [<InitializerConstant>]
                          [, section "name"] [, partition "name"]
                          [, comdat [($name)]] [, align <Alignment>]
+                         [, code_model "model"]
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aeubanks wrote:

this needs an explanation

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