[all-commits] [llvm/llvm-project] eeef50: [mlir] Fix -Wrange-loo-analysis warnings

[Fangrui Song via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: eeef50b1fee91dbe993187324003d2665ceae331
      https://github.com/llvm/llvm-project/commit/eeef50b1fee91dbe993187324003d2665ceae331
  Author: Fangrui Song <maskray at google.com>
  Date:   2020-01-01 (Wed, 01 Jan 2020)

  Changed paths:
    M mlir/lib/Conversion/LoopsToGPU/LoopsToGPU.cpp
    M mlir/lib/Dialect/Traits.cpp
    M mlir/lib/Dialect/VectorOps/VectorOps.cpp
    M mlir/lib/IR/TypeUtilities.cpp
    M mlir/lib/Parser/Parser.cpp
    M mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
    M mlir/tools/mlir-tblgen/StructsGen.cpp

  Log Message:
  -----------
  [mlir] Fix -Wrange-loo-analysis warnings

for (const auto &x : llvm::zip(..., ...))

->

for (auto x : llvm::zip(..., ...))

The return type of zip() is a wrapper that wraps a tuple of references.

> warning: loop variable 'p' is always a copy because the range of type 'detail::zippy<detail::zip_shortest, ArrayRef<long> &, ArrayRef<long> &>' does not return a reference [-Wrange-loop-analysis]