llvm-project/mlir/test/Transforms/parallelism-detection.mlir

48 lines
1.4 KiB
MLIR

// RUN: mlir-opt %s -test-detect-parallel -split-input-file -verify-diagnostics | FileCheck %s
// CHECK-LABEL: func @loop_nest_3d_outer_two_parallel
func @loop_nest_3d_outer_two_parallel(%N : index) {
%0 = alloc() : memref<1024 x 1024 x vector<64xf32>>
%1 = alloc() : memref<1024 x 1024 x vector<64xf32>>
%2 = alloc() : memref<1024 x 1024 x vector<64xf32>>
affine.for %i = 0 to %N {
// expected-remark@-1 {{parallel loop}}
affine.for %j = 0 to %N {
// expected-remark@-1 {{parallel loop}}
affine.for %k = 0 to %N {
// expected-remark@-1 {{sequential loop}}
%5 = affine.load %0[%i, %k] : memref<1024x1024xvector<64xf32>>
%6 = affine.load %1[%k, %j] : memref<1024x1024xvector<64xf32>>
%7 = affine.load %2[%i, %j] : memref<1024x1024xvector<64xf32>>
%8 = mulf %5, %6 : vector<64xf32>
%9 = addf %7, %8 : vector<64xf32>
affine.store %9, %2[%i, %j] : memref<1024x1024xvector<64xf32>>
}
}
}
return
}
// -----
// CHECK-LABEL: unknown_op_conservative
func @unknown_op_conservative() {
affine.for %i = 0 to 10 {
// expected-remark@-1 {{sequential loop}}
"unknown"() : () -> ()
}
return
}
// -----
// CHECK-LABEL: non_affine_load
func @non_affine_load() {
%0 = alloc() : memref<100 x f32>
affine.for %i = 0 to 100 {
// expected-remark@-1 {{sequential loop}}
load %0[%i] : memref<100 x f32>
}
return
}