[clang] [clang] Add support for new loop attribute [[clang::code_align()]] (PR #70762)

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``````````bash
git-clang-format --diff ae7f7f2ef2033a48fb9db3cb70b88ad62019f40b d049dc9997bdb78ff7e7cbf9b04aa42b9274cfd9 -- clang/test/CodeGen/code_align.c clang/test/Sema/code_align.c clang/test/Sema/code_align_ast.c clang/include/clang/Sema/Sema.h clang/lib/CodeGen/CGLoopInfo.cpp clang/lib/CodeGen/CGLoopInfo.h clang/lib/Sema/SemaStmtAttr.cpp clang/lib/Sema/SemaTemplateInstantiate.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaStmtAttr.cpp b/clang/lib/Sema/SemaStmtAttr.cpp
index c34fc4de5b0c..8a75b3021223 100644
--- a/clang/lib/Sema/SemaStmtAttr.cpp
+++ b/clang/lib/Sema/SemaStmtAttr.cpp
@@ -333,11 +333,9 @@ CodeAlignAttr *Sema::BuildCodeAlignAttr(const AttributeCommonInfo &CI,
 
     int align_value = ArgVal.getSExtValue();
     if (align_value < CodeAlignAttr::getMinValue() ||
-        align_value > CodeAlignAttr::getMaxValue() ||
-        !ArgVal.isPowerOf2()) {
-      Diag(CI.getLoc(), diag:: err_attribute_power_of_two_in_range)
-          << CI << CodeAlignAttr::getMinValue()
-	  << CodeAlignAttr::getMaxValue();
+        align_value > CodeAlignAttr::getMaxValue() || !ArgVal.isPowerOf2()) {
+      Diag(CI.getLoc(), diag::err_attribute_power_of_two_in_range)
+          << CI << CodeAlignAttr::getMinValue() << CodeAlignAttr::getMaxValue();
       return nullptr;
     }
   }
@@ -362,8 +360,8 @@ CheckForDuplicateLoopAttribute(Sema &S,
       if (A) {
         // Cannot specify same type of attribute twice.
         S.Diag(I->getLocation(), diag::err_loop_attr_duplication) << A;
-       }
-       A = I;
+      }
+      A = I;
     }
   }
 }

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https://github.com/llvm/llvm-project/pull/70762