Skip to content

Adding memref normalization of affine.prefetch #89675

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion mlir/include/mlir/Dialect/Affine/IR/AffineOps.td
Original file line number Diff line number Diff line change
Expand Up @@ -742,7 +742,8 @@ def AffineParallelOp : Affine_Op<"parallel",
}

def AffinePrefetchOp : Affine_Op<"prefetch",
[DeclareOpInterfaceMethods<AffineMapAccessInterface>]> {
[DeclareOpInterfaceMethods<AffineMapAccessInterface>,
MemRefsNormalizable]> {
let summary = "affine prefetch operation";
let description = [{
The `affine.prefetch` op prefetches data from a memref location described
Expand Down
16 changes: 16 additions & 0 deletions mlir/test/Dialect/MemRef/normalize-memrefs-ops.mlir
Original file line number Diff line number Diff line change
Expand Up @@ -149,3 +149,19 @@ func.func @test_norm_reinterpret_cast(%arg0 : memref<3xf32, #map_1d_tile>) -> (m
// CHECK: memref.reinterpret_cast %[[v0]] to offset: [0], sizes: [3, 1, 1], strides: [1, 1, 1] : memref<3xf32> to memref<3x1x1xf32>
return %1 : memref<3x1x1xf32>
}


// -----

// Test normalization of memrefs for prefetch.affine

// CHECK-LABEL: func.func @prefetch_normalize
// CHECK-SAME: ([[PARAM_0_:%.+]]: memref<16x32xf32>) {
func.func @prefetch_normalize(%arg0: memref<512xf32, affine_map<(d0) -> (d0 floordiv 32, d0 mod 32)>>) -> () {
// CHECK: affine.for [[I_0_:%.+]] = 0 to 8 {
affine.for %arg3 = 0 to 8 {
// CHECK: affine.prefetch [[PARAM_0_]]{{.}}[[I_0_]] floordiv 32, [[I_0_]] mod 32], read, locality<3>, data : memref<16x32xf32>
affine.prefetch %arg0[%arg3], read, locality<3>, data : memref<512xf32, affine_map<(d0) -> (d0 floordiv 32, d0 mod 32)>>
}
return
}