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[mlir][spirv][vector] Use adaptor.getElements() in FromElements lowering. #156972

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Merged
merged 1 commit into from
Sep 4, 2025
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[mlir][spirv][vector] Use adaptor.getElements() in FromElements lowering. #156972

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2 changes: 1 addition & 1 deletion mlir/lib/Conversion/VectorToSPIRV/VectorToSPIRV.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -278,7 +278,7 @@ struct VectorFromElementsOpConvert final
Type resultType = getTypeConverter()->convertType(op.getType());
if (!resultType)
return failure();
OperandRange elements = op.getElements();
ValueRange elements = adaptor.getElements();
if (isa<spirv::ScalarType>(resultType)) {
// In the case with a single scalar operand / single-element result,
// pass through the scalar.
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25 changes: 19 additions & 6 deletions mlir/test/Conversion/VectorToSPIRV/vector-to-spirv.mlir
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Expand Up @@ -281,33 +281,46 @@ func.func @to_elements_dead_elements(%a: vector<4xf32>) -> (f32, f32) {

// -----

// CHECK-LABEL: @from_elements_0d
// CHECK-LABEL: @from_elements_0d_f32
// CHECK-SAME: %[[ARG0:.+]]: f32
// CHECK: %[[RETVAL:.+]] = builtin.unrealized_conversion_cast %[[ARG0]]
// CHECK: return %[[RETVAL]]
func.func @from_elements_0d(%arg0 : f32) -> vector<f32> {
func.func @from_elements_0d_f32(%arg0 : f32) -> vector<f32> {
%0 = vector.from_elements %arg0 : vector<f32>
return %0: vector<f32>
}

// CHECK-LABEL: @from_elements_1x
// CHECK-LABEL: @from_elements_1xf32
// CHECK-SAME: %[[ARG0:.+]]: f32
// CHECK: %[[RETVAL:.+]] = builtin.unrealized_conversion_cast %[[ARG0]]
// CHECK: return %[[RETVAL]]
func.func @from_elements_1x(%arg0 : f32) -> vector<1xf32> {
func.func @from_elements_1xf32(%arg0 : f32) -> vector<1xf32> {
%0 = vector.from_elements %arg0 : vector<1xf32>
return %0: vector<1xf32>
}

// CHECK-LABEL: @from_elements_3x
// CHECK-LABEL: @from_elements_3xf32
// CHECK-SAME: %[[ARG0:.+]]: f32, %[[ARG1:.+]]: f32, %[[ARG2:.+]]: f32
// CHECK: %[[RETVAL:.+]] = spirv.CompositeConstruct %[[ARG0]], %[[ARG1]], %[[ARG2]] : (f32, f32, f32) -> vector<3xf32>
// CHECK: return %[[RETVAL]]
func.func @from_elements_3x(%arg0 : f32, %arg1 : f32, %arg2 : f32) -> vector<3xf32> {
func.func @from_elements_3xf32(%arg0 : f32, %arg1 : f32, %arg2 : f32) -> vector<3xf32> {
%0 = vector.from_elements %arg0, %arg1, %arg2 : vector<3xf32>
return %0: vector<3xf32>
}

func.func @from_elements_3xi8(%arg0 : i8, %arg1 : i8, %arg2 : i8) -> vector<3xi8> {
%0 = vector.from_elements %arg0, %arg1, %arg2 : vector<3xi8>
return %0: vector<3xi8>
}
// CHECK-LABEL: @from_elements_3xi8
// CHECK-SAME: %[[ARG0:.+]]: i8, %[[ARG1:.+]]: i8, %[[ARG2:.+]]: i8
// CHECK-DAG: %[[CAST0:.*]] = builtin.unrealized_conversion_cast %[[ARG0]] : i8 to i32
// CHECK-DAG: %[[CAST1:.*]] = builtin.unrealized_conversion_cast %[[ARG1]] : i8 to i32
// CHECK-DAG: %[[CAST2:.*]] = builtin.unrealized_conversion_cast %[[ARG2]] : i8 to i32
// CHECK: %[[VAL:.+]] = spirv.CompositeConstruct %[[CAST0]], %[[CAST1]], %[[CAST2]] : (i32, i32, i32) -> vector<3xi32>
// CHECK: %[[RETVAL:.*]] = builtin.unrealized_conversion_cast %[[VAL]] : vector<3xi32> to vector<3xi8>
// CHECK: return %[[RETVAL]]

// -----

// CHECK-LABEL: @insert
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