[PATCH] D129191: [IndVars] Eliminate redundant type cast between integer and float

[Allen zhong via Phabricator via llvm-commits]

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Recompute the range: match for fptosi of sitofp, and then query the range of the input to the sitofp
according the comment on D129140 <https://reviews.llvm.org/D129140>.

Fixes https://github.com/llvm/llvm-project/issues/55505.


https://reviews.llvm.org/D129191

Files:
  llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
  llvm/test/Transforms/IndVarSimplify/floating-point-small-iv.ll

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