[all-commits] [llvm/llvm-project] f4f270: [ConstantFold][SVE] Fix constant folding for scala...

[huihzhang via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f4f2706572b1851d902fd569d8fb75bc42c8c82b
      https://github.com/llvm/llvm-project/commit/f4f2706572b1851d902fd569d8fb75bc42c8c82b
  Author: Huihui Zhang <huihuiz at quicinc.com>
  Date:   2020-03-12 (Thu, 12 Mar 2020)

  Changed paths:
    M llvm/lib/IR/ConstantFold.cpp
    M llvm/lib/IR/Constants.cpp
    M llvm/test/Analysis/ConstantFolding/vscale.ll

  Log Message:
  -----------
  [ConstantFold][SVE] Fix constant folding for scalable vector compare instruction.

Summary:
Do not iterate on scalable vector. Also do not return constant scalable vector
from ConstantInt::get().
Fix result type by using getElementCount() instead of getNumElements().

Reviewers: sdesmalen, efriedma, apazos, huntergr, willlovett

Reviewed By: efriedma

Subscribers: tschuett, hiraditya, rkruppe, psnobl, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D73753