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// RUN: mlir-opt -buffer-results-to-out-params -split-input-file -verify-diagnostics %s | FileCheck %s
// CHECK-LABEL: func @basic(
// CHECK-SAME: %[[ARG:.*]]: memref<f32>) {
// CHECK: %[[RESULT:.*]] = "test.source"() : () -> memref<f32>
// CHECK: memref.copy %[[RESULT]], %[[ARG]] : memref<f32> to memref<f32>
// CHECK: return
// CHECK: }
func.func @basic() -> (memref<f32>) {
%0 = "test.source"() : () -> (memref<f32>)
return %0 : memref<f32>
}
// CHECK-LABEL: func @presence_of_existing_arguments(
// CHECK-SAME: %[[ARG0:.*]]: memref<1xf32>,
// CHECK-SAME: %[[ARG1:.*]]: memref<2xf32>) {
// CHECK: %[[RESULT:.*]] = "test.source"() : () -> memref<2xf32>
// CHECK: memref.copy %[[RESULT]], %[[ARG1]] : memref<2xf32> to memref<2xf32>
// CHECK: return
// CHECK: }
func.func @presence_of_existing_arguments(%arg0: memref<1xf32>) -> (memref<2xf32>) {
%0 = "test.source"() : () -> (memref<2xf32>)
return %0 : memref<2xf32>
}
// CHECK-LABEL: func @multiple_results(
// CHECK-SAME: %[[ARG0:.*]]: memref<1xf32>,
// CHECK-SAME: %[[ARG1:.*]]: memref<2xf32>) {
// CHECK: %[[RESULTS:.*]]:2 = "test.source"() : () -> (memref<1xf32>, memref<2xf32>)
// CHECK: memref.copy %[[RESULTS]]#0, %[[ARG0]] : memref<1xf32> to memref<1xf32>
// CHECK: memref.copy %[[RESULTS]]#1, %[[ARG1]] : memref<2xf32> to memref<2xf32>
// CHECK: return
// CHECK: }
func.func @multiple_results() -> (memref<1xf32>, memref<2xf32>) {
%0, %1 = "test.source"() : () -> (memref<1xf32>, memref<2xf32>)
return %0, %1 : memref<1xf32>, memref<2xf32>
}
// CHECK-LABEL: func @non_memref_types(
// CHECK-SAME: %[[OUTPARAM:.*]]: memref<f32>) -> (i1, i32) {
// CHECK: %[[RESULT1:.*]]:3 = "test.source"() : () -> (i1, memref<f32>, i32)
// CHECK: memref.copy %[[RESULT1]]#1, %[[OUTPARAM]] : memref<f32> to memref<f32>
// CHECK: return %[[RESULT1]]#0, %[[RESULT1]]#2 : i1, i32
// CHECK: }
func.func @non_memref_types() -> (i1, memref<f32>, i32) {
%0, %1, %2 = "test.source"() : () -> (i1, memref<f32>, i32)
return %0, %1, %2 : i1, memref<f32>, i32
}
// CHECK: func private @external_function(memref<f32>)
func.func private @external_function() -> (memref<f32>)
// CHECK: func private @result_attrs(memref<f32> {test.some_attr})
func.func private @result_attrs() -> (memref<f32> {test.some_attr})
// CHECK: func private @mixed_result_attrs(memref<1xf32>, memref<2xf32> {test.some_attr}, memref<3xf32>)
func.func private @mixed_result_attrs() -> (memref<1xf32>, memref<2xf32> {test.some_attr}, memref<3xf32>)
// -----
// CHECK-LABEL: func private @callee(memref<1xf32>)
func.func private @callee() -> memref<1xf32>
// CHECK-LABEL: func @call_basic() {
// CHECK: %[[OUTPARAM:.*]] = memref.alloc() : memref<1xf32>
// CHECK: call @callee(%[[OUTPARAM]]) : (memref<1xf32>) -> ()
// CHECK: "test.sink"(%[[OUTPARAM]]) : (memref<1xf32>) -> ()
// CHECK: return
// CHECK: }
func.func @call_basic() {
%0 = call @callee() : () -> memref<1xf32>
"test.sink"(%0) : (memref<1xf32>) -> ()
return
}
// -----
// CHECK-LABEL: func private @callee(memref<1xf32>, memref<2xf32>)
func.func private @callee() -> (memref<1xf32>, memref<2xf32>)
// CHECK-LABEL: func @call_multiple_result() {
// CHECK: %[[RESULT0:.*]] = memref.alloc() : memref<1xf32>
// CHECK: %[[RESULT1:.*]] = memref.alloc() : memref<2xf32>
// CHECK: call @callee(%[[RESULT0]], %[[RESULT1]]) : (memref<1xf32>, memref<2xf32>) -> ()
// CHECK: "test.sink"(%[[RESULT0]], %[[RESULT1]]) : (memref<1xf32>, memref<2xf32>) -> ()
// CHECK: }
func.func @call_multiple_result() {
%0, %1 = call @callee() : () -> (memref<1xf32>, memref<2xf32>)
"test.sink"(%0, %1) : (memref<1xf32>, memref<2xf32>) -> ()
}
// -----
// CHECK-LABEL: func private @callee(memref<1xf32>) -> (i1, i32)
func.func private @callee() -> (i1, memref<1xf32>, i32)
// CHECK-LABEL: func @call_non_memref_result() {
// CHECK: %[[RESULT0:.*]] = memref.alloc() : memref<1xf32>
// CHECK: %[[NON_MEMREF_RESULTS:.*]]:2 = call @callee(%[[RESULT0]]) : (memref<1xf32>) -> (i1, i32)
// CHECK: "test.sink"(%[[NON_MEMREF_RESULTS]]#0, %[[RESULT0]], %[[NON_MEMREF_RESULTS]]#1) : (i1, memref<1xf32>, i32) -> ()
// CHECK: }
func.func @call_non_memref_result() {
%0, %1, %2 = call @callee() : () -> (i1, memref<1xf32>, i32)
"test.sink"(%0, %1, %2) : (i1, memref<1xf32>, i32) -> ()
}
// -----
func.func private @callee() -> (memref<?xf32>)
func.func @call_non_memref_result() {
// expected-error @+1 {{cannot create out param for dynamically shaped result}}
%0 = call @callee() : () -> (memref<?xf32>)
"test.sink"(%0) : (memref<?xf32>) -> ()
}
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