[clang] [AMDGPU][clang] provide device implementation for __builtin_logb and … (PR #129347)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff 4ab9c13ba2a6f505fb1b72ae33753902ae9f81e8 86deca6179c6dce4490e859ffd536f553d8d6c0d --extensions h,cpp -- clang/lib/CodeGen/CGBuiltin.cpp clang/lib/CodeGen/CodeGenModule.h
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 6a0497df7a..4f491c8503 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -265,7 +265,8 @@ llvm::Constant *CodeGenModule::getDeviceLibFunction(const FunctionDecl *FD,
   llvm::SmallString<64> Name;
   if (getTarget().getTriple().isAMDGCN()) {
     switch (BuiltinID) {
-    default: return nullptr;
+    default:
+      return nullptr;
     case Builtin::BIlogb:
     case Builtin::BI__builtin_logb:
       Name = "__ocml_logb_f64";
@@ -275,8 +276,8 @@ llvm::Constant *CodeGenModule::getDeviceLibFunction(const FunctionDecl *FD,
     return nullptr;
 
   llvm::FunctionType *Ty =
-    cast<llvm::FunctionType>(getTypes().ConvertType(FD->getType()));
-  return GetOrCreateLLVMFunction(Name, Ty, D, /*ForVTable*/false);
+      cast<llvm::FunctionType>(getTypes().ConvertType(FD->getType()));
+  return GetOrCreateLLVMFunction(Name, Ty, D, /*ForVTable*/ false);
 }
 
 /// getBuiltinLibFunction - Given a builtin id for a function like
@@ -20849,8 +20850,7 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID,
   case Builtin::BIscalbn:
   case Builtin::BI__builtin_scalbn:
     return emitBinaryExpMaybeConstrainedFPBuiltin(
-        *this, E, Intrinsic::ldexp,
-        Intrinsic::experimental_constrained_ldexp);
+        *this, E, Intrinsic::ldexp, Intrinsic::experimental_constrained_ldexp);
   default:
     return nullptr;
   }

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https://github.com/llvm/llvm-project/pull/129347