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TheRock/compiler/amd-llvm/mlir/test/Dialect/Vector/vector-from-elements-lowering.mlir
derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

47 lines
2.9 KiB
MLIR

// RUN: mlir-opt %s -transform-preload-library='transform-library-paths=%p/td/unroll-elements.mlir' \
// RUN: -transform-interpreter=entry-point=unroll_to_elements | FileCheck %s
//===----------------------------------------------------------------------===//
// Test UnrollFromElements.
//===----------------------------------------------------------------------===//
// CHECK-LABEL: @unroll_from_elements_2d
// CHECK-SAME: (%[[ARG0:.*]]: f32, %[[ARG1:.*]]: f32, %[[ARG2:.*]]: f32, %[[ARG3:.*]]: f32)
// CHECK-NEXT: %[[UNDEF_RES:.*]] = ub.poison : vector<2x2xf32>
// CHECK-NEXT: %[[VEC_0:.*]] = vector.from_elements %[[ARG0]], %[[ARG1]] : vector<2xf32>
// CHECK-NEXT: %[[RES_0:.*]] = vector.insert %[[VEC_0]], %[[UNDEF_RES]] [0] : vector<2xf32> into vector<2x2xf32>
// CHECK-NEXT: %[[VEC_1:.*]] = vector.from_elements %[[ARG2]], %[[ARG3]] : vector<2xf32>
// CHECK-NEXT: %[[RES_1:.*]] = vector.insert %[[VEC_1]], %[[RES_0]] [1] : vector<2xf32> into vector<2x2xf32>
// CHECK-NEXT: return %[[RES_1]] : vector<2x2xf32>
func.func @unroll_from_elements_2d(%arg0: f32, %arg1: f32, %arg2: f32, %arg3: f32) -> vector<2x2xf32> {
%0 = vector.from_elements %arg0, %arg1, %arg2, %arg3 : vector<2x2xf32>
return %0 : vector<2x2xf32>
}
// CHECK-LABEL: @unroll_from_elements_3d
// CHECK-SAME: (%[[ARG0:.*]]: f32, %[[ARG1:.*]]: f32, %[[ARG2:.*]]: f32, %[[ARG3:.*]]: f32)
// CHECK-NEXT: %[[UNDEF_RES:.*]] = ub.poison : vector<2x1x2xf32>
// CHECK-NEXT: %[[UNDEF_RANK_2:.*]] = ub.poison : vector<1x2xf32>
// CHECK-NEXT: %[[VEC_0:.*]] = vector.from_elements %[[ARG0]], %[[ARG1]] : vector<2xf32>
// CHECK-NEXT: %[[RANK_2_0:.*]] = vector.insert %[[VEC_0]], %[[UNDEF_RANK_2]] [0] : vector<2xf32> into vector<1x2xf32>
// CHECK-NEXT: %[[RES_0:.*]] = vector.insert %[[RANK_2_0]], %[[UNDEF_RES]] [0] : vector<1x2xf32> into vector<2x1x2xf32>
// CHECK-NEXT: %[[VEC_1:.*]] = vector.from_elements %[[ARG2]], %[[ARG3]] : vector<2xf32>
// CHECK-NEXT: %[[RANK_2_1:.*]] = vector.insert %[[VEC_1]], %[[UNDEF_RANK_2]] [0] : vector<2xf32> into vector<1x2xf32>
// CHECK-NEXT: %[[RES_1:.*]] = vector.insert %[[RANK_2_1]], %[[RES_0]] [1] : vector<1x2xf32> into vector<2x1x2xf32>
// CHECK-NEXT: return %[[RES_1]] : vector<2x1x2xf32>
func.func @unroll_from_elements_3d(%arg0: f32, %arg1: f32, %arg2: f32, %arg3: f32) -> vector<2x1x2xf32> {
%0 = vector.from_elements %arg0, %arg1, %arg2, %arg3 : vector<2x1x2xf32>
return %0 : vector<2x1x2xf32>
}
// 1-D vector.from_elements should not be unrolled.
// CHECK-LABEL: @negative_unroll_from_elements_1d
// CHECK-SAME: (%[[ARG0:.*]]: f32, %[[ARG1:.*]]: f32)
// CHECK-NEXT: %[[RES:.*]] = vector.from_elements %[[ARG0]], %[[ARG1]] : vector<2xf32>
// CHECK-NEXT: return %[[RES]] : vector<2xf32>
func.func @negative_unroll_from_elements_1d(%arg0: f32, %arg1: f32) -> vector<2xf32> {
%0 = vector.from_elements %arg0, %arg1 : vector<2xf32>
return %0 : vector<2xf32>
}