[PATCH] D118090: [ScalarEvolution] Handle <= and >= in non infinite loops

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 26 04:42:18 PST 2022


lebedev.ri added inline comments.


================
Comment at: llvm/lib/Analysis/ScalarEvolution.cpp:10090
   case ICmpInst::ICMP_SLE:
-    if (!getSignedRangeMax(RHS).isMaxSignedValue()) {
+    if (!getSignedRangeMax(RHS).isMaxSignedValue() || ControllingFiniteLoop) {
       RHS = getAddExpr(getConstant(RHS->getType(), 1, true), RHS,
----------------



Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118090/new/

https://reviews.llvm.org/D118090



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