[all-commits] [llvm/llvm-project] 0c9c58: [SCCP] Use constant ranges for casts.

[Florian Hahn via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 0c9c58ada0afa3e536834a71ac43fa80ae1f0af7
      https://github.com/llvm/llvm-project/commit/0c9c58ada0afa3e536834a71ac43fa80ae1f0af7
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2020-03-31 (Tue, 31 Mar 2020)

  Changed paths:
    M llvm/lib/Transforms/Scalar/SCCP.cpp
    A llvm/test/Transforms/SCCP/ip-ranges-casts.ll

  Log Message:
  -----------
  [SCCP] Use constant ranges for casts.

For casts with constant range operands, we can use
ConstantRange::castOp.

Reviewers: davide, efriedma, mssimpso

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D71938