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

32 lines
1.5 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 UnrollToElements.
//===----------------------------------------------------------------------===//
// 1-D vector.from_elements should not be unrolled.
// CHECK-LABEL: func.func @negative_unroll_to_elements_1d(
// CHECK-SAME: %[[ARG0:.+]]: vector<2xf32>
// CHECK: %[[RES:.+]]:2 = vector.to_elements %[[ARG0]] : vector<2xf32>
// CHECK: return %[[RES]]#0, %[[RES]]#1
func.func @negative_unroll_to_elements_1d(%arg0: vector<2xf32>) -> (f32, f32) {
%0:2 = vector.to_elements %arg0 : vector<2xf32>
return %0#0, %0#1 : f32, f32
}
// -----
// CHECK-LABEL: func.func @unroll_to_elements_2d(
// CHECK-SAME: %[[ARG0:.+]]: vector<2x2xf32>
// CHECK: %[[VEC0:.+]] = vector.extract %[[ARG0]][0] : vector<2xf32> from vector<2x2xf32>
// CHECK: %[[VEC1:.+]] = vector.extract %[[ARG0]][1] : vector<2xf32> from vector<2x2xf32>
// CHECK: %[[RES0:.+]]:2 = vector.to_elements %[[VEC0]] : vector<2xf32>
// CHECK: %[[RES1:.+]]:2 = vector.to_elements %[[VEC1]] : vector<2xf32>
// CHECK: return %[[RES0]]#0, %[[RES0]]#1, %[[RES1]]#0, %[[RES1]]#1
func.func @unroll_to_elements_2d(%arg0: vector<2x2xf32>) -> (f32, f32, f32, f32) {
%0:4 = vector.to_elements %arg0 : vector<2x2xf32>
return %0#0, %0#1, %0#2, %0#3 : f32, f32, f32, f32
}