[llvm] [delinearize] use update_analyze_test_checks.py in delinearization testcases (PR #153831)

[Ryotaro Kasuga via llvm-commits]

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@@ -744,7 +744,8 @@ namespace {
 
 void printDelinearization(raw_ostream &O, Function *F, LoopInfo *LI,
                           ScalarEvolution *SE) {
-  O << "Delinearization on function " << F->getName() << ":\n";
+  O << "Printing analysis 'Delinearization' for function '" << F->getName()
+    << "':";
   for (Instruction &Inst : instructions(F)) {
     // Only analyze loads and stores.
     if (!isa<StoreInst>(&Inst) && !isa<LoadInst>(&Inst) &&
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kasuga-fj wrote:

+1 on this.
I also think we should stop checking all loops. Basically, we are only interested in the innermost loop in which the target instruction resides. https://github.com/llvm/llvm-project/blob/495b0ab03f1a2e72adb17d0ee68aaf7d918f734c/llvm/lib/Analysis/Delinearization.cpp#L749-L759

https://github.com/llvm/llvm-project/pull/153831