[llvm] [CVP] Remove Zero-Index GEP (PR #144831)

[Yingwei Zheng via llvm-commits]

================
@@ -1252,6 +1253,23 @@ static bool processTrunc(TruncInst *TI, LazyValueInfo *LVI) {
   return Changed;
 }
 
+// remove a GEP if all indices are in range [0, 1)
+static bool processGEP(GetElementPtrInst *GEP, LazyValueInfo *LVI) {
+  for (unsigned i = 1, e = GEP->getNumOperands(); i != e; ++i) {
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dtcxzyw wrote:

```suggestion
  for (unsigned I = 1, E = GEP->getNumOperands(); I != E; ++I) {
```

https://github.com/llvm/llvm-project/pull/144831