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[FRONTEND] Add scalar type support for some ops (#661)

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This PR adds basic support for scalar-type inputs to some ops (cast and pointer arithmetics) for Triton-MLIR. Also renames getelementptr -> addptr
This commit is contained in:
Shintaro Iwasaki
2022-09-15 16:12:52 -07:00
committed by GitHub
parent 2e08450c80
commit 43be75ad42
27 changed files with 203 additions and 129 deletions
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55
test/Conversion/triton_ops.mlir Normal file
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// RUN: triton-opt %s | FileCheck %s
func @cast_ops(%scalar_ptr: !tt.ptr<f32>, %scalar_f32: f32, %scalar_i64: i64) {
// scalar -> scalar
// CHECK: i64 -> !tt.ptr<f32>
%0 = tt.int_to_ptr %scalar_i64 : i64 -> !tt.ptr<f32>
// CHECK: !tt.ptr<f32> -> i64
%1 = tt.ptr_to_int %scalar_ptr : !tt.ptr<f32> -> i64
// CHECK: f32 -> f16
%2 = tt.fp_to_fp %scalar_f32 : f32 -> f16
// 0D tensor -> 0D tensor
%tensor_ptr_0d = tt.splat %scalar_ptr : (!tt.ptr<f32>) -> tensor<!tt.ptr<f32>>
%tensor_f32_0d = tt.splat %scalar_f32 : (f32) -> tensor<f32>
%tensor_i64_0d = tt.splat %scalar_i64 : (i64) -> tensor<i64>
// CHECK: tensor<i64> -> tensor<!tt.ptr<f32>>
%3 = tt.int_to_ptr %tensor_i64_0d : tensor<i64> -> tensor<!tt.ptr<f32>>
// CHECK: tensor<!tt.ptr<f32>> -> tensor<i64>
%4 = tt.ptr_to_int %tensor_ptr_0d : tensor<!tt.ptr<f32>> -> tensor<i64>
// CHECK: tensor<f32> -> tensor<f16>
%5 = tt.fp_to_fp %tensor_f32_0d : tensor<f32> -> tensor<f16>
// 1D tensor -> 1D tensor
%tensor_ptr_1d = tt.splat %scalar_ptr : (!tt.ptr<f32>) -> tensor<16x!tt.ptr<f32>>
%tensor_f32_1d = tt.splat %scalar_f32 : (f32) -> tensor<16xf32>
%tensor_i64_1d = tt.splat %scalar_i64 : (i64) -> tensor<16xi64>
// CHECK: tensor<16xi64> -> tensor<16x!tt.ptr<f32>>
%6 = tt.int_to_ptr %tensor_i64_1d : tensor<16xi64> -> tensor<16x!tt.ptr<f32>>
// CHECK: tensor<16x!tt.ptr<f32>> -> tensor<16xi64>
%7 = tt.ptr_to_int %tensor_ptr_1d : tensor<16x!tt.ptr<f32>> -> tensor<16xi64>
// CHECK: tensor<16xf32> -> tensor<16xf16>
%8 = tt.fp_to_fp %tensor_f32_1d : tensor<16xf32> -> tensor<16xf16>
return
}
func @addptr_ops(%scalar_ptr: !tt.ptr<f32>, %scalar_i32: i32) {
// scalar -> scalar
// CHECK: !tt.ptr<f32>
%0 = tt.addptr %scalar_ptr, %scalar_i32 : !tt.ptr<f32>
// 0D tensor -> 0D tensor
%tensor_ptr_0d = tt.splat %scalar_ptr : (!tt.ptr<f32>) -> tensor<!tt.ptr<f32>>
%tensor_i32_0d = tt.splat %scalar_i32 : (i32) -> tensor<i32>
// CHECK: tensor<!tt.ptr<f32>>
%1 = tt.addptr %tensor_ptr_0d, %tensor_i32_0d : tensor<!tt.ptr<f32>>
// 1D tensor -> 1D tensor
%tensor_ptr_1d = tt.splat %scalar_ptr : (!tt.ptr<f32>) -> tensor<16x!tt.ptr<f32>>
%tensor_i32_1d = tt.splat %scalar_i32 : (i32) -> tensor<16xi32>
// CHECK: tensor<16x!tt.ptr<f32>>
%2 = tt.addptr %tensor_ptr_1d, %tensor_i32_1d : tensor<16x!tt.ptr<f32>>
return
}