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

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git-clang-format --diff 18415c8365047841c4671798e0129ca9bbd03c40 1db42907230511288a3ebc8f2a7b1453d11e62ac -- llvm/include/llvm/AsmParser/LLParser.h llvm/include/llvm/AsmParser/LLToken.h llvm/include/llvm/IR/GlobalObject.h llvm/lib/AsmParser/LLLexer.cpp llvm/lib/AsmParser/LLParser.cpp llvm/lib/Bitcode/Reader/BitcodeReader.cpp llvm/lib/Bitcode/Writer/BitcodeWriter.cpp llvm/lib/IR/AsmWriter.cpp llvm/lib/IR/Globals.cpp llvm/lib/IR/LLVMContextImpl.h
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/IR/GlobalObject.h b/llvm/include/llvm/IR/GlobalObject.h
index 08af50191a..ac402b92b2 100644
--- a/llvm/include/llvm/IR/GlobalObject.h
+++ b/llvm/include/llvm/IR/GlobalObject.h
@@ -17,8 +17,8 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/Value.h"
-#include "llvm/Support/CodeGen.h"
 #include "llvm/Support/Alignment.h"
+#include "llvm/Support/CodeGen.h"
 
 namespace llvm {
 
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 740692894e..6f1b1c107a 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1145,13 +1145,18 @@ static bool getDecodedDSOLocal(unsigned Val) {
 }
 
 static CodeModel::Model getDecodedCodeModel(unsigned Val) {
-  switch(Val) {
-  case 1: return CodeModel::Tiny;
+  switch (Val) {
+  case 1:
+    return CodeModel::Tiny;
   default: // Map unknown values to small.
-  case 2: return CodeModel::Small;
-  case 3: return CodeModel::Kernel;
-  case 4: return CodeModel::Medium;
-  case 5: return CodeModel::Large;
+  case 2:
+    return CodeModel::Small;
+  case 3:
+    return CodeModel::Kernel;
+  case 4:
+    return CodeModel::Medium;
+  case 5:
+    return CodeModel::Large;
   }
 }
 
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 44f4b9e2dc..117d5208b9 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1216,11 +1216,16 @@ static unsigned getEncodedCodeModel(const GlobalVariable &GV) {
   if (!GV.hasCodeModel())
     return 0;
   switch (GV.getCodeModel()) {
-  case CodeModel::Tiny:   return 1;
-  case CodeModel::Small:  return 2;
-  case CodeModel::Kernel: return 3;
-  case CodeModel::Medium: return 4;
-  case CodeModel::Large:  return 5;
+  case CodeModel::Tiny:
+    return 1;
+  case CodeModel::Small:
+    return 2;
+  case CodeModel::Kernel:
+    return 3;
+  case CodeModel::Medium:
+    return 4;
+  case CodeModel::Large:
+    return 5;
   }
   llvm_unreachable("Invalid code model");
 }

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