[PATCH] D73722: [SCEV] SCEVExpander::isHighCostExpansionHelper(): cost-model plain UDiv

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev added inline comments.


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Comment at: llvm/test/Transforms/IndVarSimplify/exit_value_test2.ll:24
+; CHECK-NEXT:    [[TMP1:%.*]] = udiv i32 [[TMP0]], 12
+; CHECK-NEXT:    [[TMP2:%.*]] = mul i32 [[TMP1]], 12
 ; CHECK-NEXT:    br label [[WHILE_BODY:%.*]]
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Why do we need this change if it starts generating worse code?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73722/new/

https://reviews.llvm.org/D73722