[PATCH] D143246: [SCEV][NFC] Remove check for rewriteable types

[Max Kazantsev via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGd7eda3ca1087: [SCEV][NFC] Remove check for rewriteable types (authored by mkazantsev).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143246/new/

https://reviews.llvm.org/D143246

Files:
  llvm/lib/Analysis/ScalarEvolution.cpp


Index: llvm/lib/Analysis/ScalarEvolution.cpp
===================================================================
--- llvm/lib/Analysis/ScalarEvolution.cpp
+++ llvm/lib/Analysis/ScalarEvolution.cpp
@@ -15041,10 +15041,6 @@
       Predicate = CmpInst::getSwappedPredicate(Predicate);
     }
 
-    // Limit to expressions that can be rewritten.
-    if (!isa<SCEVUnknown>(LHS) && !isa<SCEVZeroExtendExpr>(LHS))
-      return;
-
     // Check whether LHS has already been rewritten. In that case we want to
     // chain further rewrites onto the already rewritten value.
     auto I = RewriteMap.find(LHS);


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