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

[David Green via llvm-commits]

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@@ -2043,9 +2043,13 @@ static bool callInstIsMemcpy(CallInst *CI) {
 }
 
 static bool destArrayCanBeWidened(CallInst *CI) {
+  auto *GV = dyn_cast<GlobalVariable>(CI->getArgOperand(0));
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davemgreen wrote:

getArgOperand(1)

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