[llvm] [LoopIdiomRecognize] Enable clmul optimization for CRC loops (PR #203405)

[Piotr Fusik via llvm-commits]

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@@ -1592,9 +1758,9 @@ bool LoopIdiomRecognize::optimizeCRCLoop(const PolynomialInfo &Info) {
             [CRCTy](const APInt &E) { return ConstantInt::get(CRCTy, E); });
   Constant *ConstArray =
       ConstantArray::get(ArrayType::get(CRCTy, 256), CRCConstants);
-  GlobalVariable *GV =
-      new GlobalVariable(M, ConstArray->getType(), true,
-                         GlobalValue::PrivateLinkage, ConstArray, ".crctable");
+  GlobalVariable *GV = new GlobalVariable(
+      *CurLoop->getHeader()->getModule(), ConstArray->getType(), true,
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pfusik wrote:

Why this change?

https://github.com/llvm/llvm-project/pull/203405