[llvm] [llvm][ARM]Add ARM widen strings pass (PR #107120)

[via llvm-commits]

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git-clang-format --diff 2a9f93bf13c717af3fe06bc226047f96b3f9c21a f7e220d5d0476ceb5aea0ea21f13f0a7bff1f208 --extensions h,cpp -- llvm/include/llvm/Transforms/Scalar/ARMWidenStrings.h llvm/lib/Transforms/Scalar/ARMWidenStrings.cpp llvm/lib/Passes/PassBuilder.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Scalar/ARMWidenStrings.cpp b/llvm/lib/Transforms/Scalar/ARMWidenStrings.cpp
index e2a7b92aee..1439e8af04 100644
--- a/llvm/lib/Transforms/Scalar/ARMWidenStrings.cpp
+++ b/llvm/lib/Transforms/Scalar/ARMWidenStrings.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-
 #define DEBUG_TYPE "arm-widen-strings"
 
 #include "llvm/Transforms/Scalar/ARMWidenStrings.h"
@@ -83,7 +82,6 @@ bool ARMWidenStrings::run(Function &F) {
         continue;
       }
 
-
       auto *Alloca = dyn_cast<AllocaInst>(CI->getArgOperand(0));
       auto *SourceVar = dyn_cast<GlobalVariable>(CI->getArgOperand(1));
       auto *BytesToCopy = dyn_cast<ConstantInt>(CI->getArgOperand(2));
@@ -157,7 +155,6 @@ bool ARMWidenStrings::run(Function &F) {
       NewAlloca->setAlignment(Alloca->getAlign());
       Alloca->replaceAllUsesWith(NewAlloca);
 
-
       // update source to be word aligned (memcpy(...,X,...))
       // create replacement string with padded null bytes.
       StringRef Data = SourceDataArray->getRawDataValues();

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https://github.com/llvm/llvm-project/pull/107120