add some comments in codegen

.github/workflows/CompatHelper.yml

@@ -0,0 +1,24 @@
+name: CompatHelper
+
+on:
+ schedule:
+ - cron: '00 00 * * *'
+
+jobs:
+ CompatHelper:
+ runs-on: ${{ matrix.os }}
+ strategy:
+ matrix:
+ julia-version: [1.3.0]
+ julia-arch: [x86]
+ os: [ubuntu-latest]
+ steps:
+ - uses: julia-actions/setup-julia@latest
+ with:
+ version: ${{ matrix.julia-version }}
+ - name: Pkg.add("CompatHelper")
+ run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
+ - name: CompatHelper.main()
+ env:
+ GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+ run: julia -e 'using CompatHelper; CompatHelper.main()'

.github/workflows/juliapackage.yml

@@ -0,0 +1,25 @@
+name: Unit test
+
+on:
+ push:
+ branches:
+ - master
+ pull_request:
+
+jobs:
+ test:
+ runs-on: ${{ matrix.os }}
+ strategy:
+ matrix:
+ julia-version: ['1.0', '1.1', '1.2', '1.3', 'nightly']
+ os: [ubuntu-latest, windows-latest, macOS-latest]
+
+ steps:
+ - uses: actions/[email protected]
+ - name: "Set up Julia"
+ uses: julia-actions/setup-julia@v1
+ with:
+ version: ${{ matrix.julia-version }}
+
+ - name: "Unit Test"
+ uses: julia-actions/julia-runtest@master

src/codegen.jl

@@ -50,12 +50,15 @@ function augment_impl(var_offset::Int, op_offset::Int, head::DataType, tail::NTu
  num_affine, after_affine = uses_affinemap(head, tail) ? seek_connected(uses_affinemap, 0, head, tail) : (0, nothing)
  num_special, _ = seek_connected(x->(supports_permute(x)||supports_view(x)||supports_stepview(x)), 0, head, tail)
  num_lazy, after_lazy = seek_connected(supports_lazy, 0, head, tail)
+ @assert num_special <= num_affine <= num_lazy # issue #40
  if num_special >= num_affine
+ # If reached then there're non-affine special operations
  quote
  $var_out = unroll_applylazy($(Expr(:tuple, (:(pipeline[$i]) for i in op_offset:op_offset+num_lazy-1)...)), $var_in)
  $(augment_impl(var_offset+1, op_offset+num_lazy, after_lazy, avoid_eager))
  end
  else
+ # If reached then all special operations are affine operations
  quote
  $var_out = unroll_applyaffine($(Expr(:tuple, (:(pipeline[$i]) for i in op_offset:op_offset+num_affine-1)...)), $var_in)
  $(augment_impl(var_offset+1, op_offset+num_affine, after_affine, avoid_eager))