forked from OSchip/llvm-project
92 lines
3.6 KiB
MLIR
92 lines
3.6 KiB
MLIR
// RUN: mlir-opt %s -func-bufferize -split-input-file -verify-diagnostics | FileCheck %s
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// CHECK-LABEL: func @identity(
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// CHECK-SAME: %[[ARG:.*]]: memref<f32>) -> memref<f32> {
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// CHECK: %[[TENSOR:.*]] = memref.tensor_load %[[ARG]] : memref<f32>
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// CHECK: %[[MEMREF:.*]] = memref.buffer_cast %[[TENSOR]] : memref<f32>
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// CHECK: return %[[MEMREF]] : memref<f32>
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func @identity(%arg0: tensor<f32>) -> tensor<f32> {
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return %arg0 : tensor<f32>
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}
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// CHECK-LABEL: func @block_arguments(
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// CHECK-SAME: %[[ARG:.*]]: memref<f32>) -> memref<f32> {
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// CHECK: %[[T1:.*]] = memref.tensor_load %[[ARG]] : memref<f32>
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// CHECK: %[[M1:.*]] = memref.buffer_cast %[[T1]] : memref<f32>
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// CHECK: br ^bb1(%[[M1]] : memref<f32>)
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// CHECK: ^bb1(%[[BBARG:.*]]: memref<f32>):
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// CHECK: %[[T2:.*]] = memref.tensor_load %[[BBARG]] : memref<f32>
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// CHECK: %[[M2:.*]] = memref.buffer_cast %[[T2]] : memref<f32>
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// CHECK: return %[[M2]] : memref<f32>
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func @block_arguments(%arg0: tensor<f32>) -> tensor<f32> {
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br ^bb1(%arg0: tensor<f32>)
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^bb1(%bbarg: tensor<f32>):
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return %bbarg : tensor<f32>
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}
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// CHECK-LABEL: func private @source() -> memref<f32>
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// CHECK-LABEL: func @call_source() -> memref<f32> {
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// CHECK: %[[RET:.*]] = call @source() : () -> memref<f32>
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// CHECK: return %[[RET]] : memref<f32>
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func private @source() -> tensor<f32>
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func @call_source() -> tensor<f32> {
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%0 = call @source() : () -> tensor<f32>
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return %0 : tensor<f32>
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}
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// CHECK-LABEL: func @call_sink(
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// CHECK-SAME: %[[ARG:.*]]: memref<f32>) {
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// CHECK: %[[TENSOR:.*]] = memref.tensor_load %[[ARG]] : memref<f32>
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// CHECK: %[[MEMREF:.*]] = memref.buffer_cast %[[TENSOR]] : memref<f32>
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// CHECK: call @sink(%[[MEMREF]]) : (memref<f32>) -> ()
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// CHECK: return
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func private @sink(tensor<f32>)
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func @call_sink(%arg0: tensor<f32>) {
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call @sink(%arg0) : (tensor<f32>) -> ()
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return
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}
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// CHECK-LABEL: func @unconverted_op_in_body() -> memref<f32> {
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// CHECK: %[[TENSOR:.*]] = "test.source"() : () -> tensor<f32>
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// CHECK: %[[MEMREF:.*]] = memref.buffer_cast %[[TENSOR]] : memref<f32>
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// CHECK: return %[[MEMREF]] : memref<f32>
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func @unconverted_op_in_body() -> tensor<f32> {
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%0 = "test.source"() : () -> tensor<f32>
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return %0 : tensor<f32>
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}
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// -----
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// Because this pass updates block arguments, it needs to also atomically
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// update all terminators and issue an error if that is not possible.
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func @unable_to_update_terminator(%arg0: tensor<f32>) -> tensor<f32> {
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%0 = constant true
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cond_br %0, ^bb1(%arg0: tensor<f32>), ^bb2(%arg0: tensor<f32>)
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^bb1(%bbarg0: tensor<f32>):
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// expected-error @+1 {{failed to legalize operation 'test.terminator'}}
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"test.terminator"() : () -> ()
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^bb2(%bbarg1: tensor<f32>):
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return %bbarg1 : tensor<f32>
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}
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// -----
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// There was a bug in func-bufferize pass which caused terminators without
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// ReturnLike and BranchOpInterface traits (e.g. scf.condition) to always
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// fail to legalize even if bufferization doesn't needed.
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// Check the pass succedeed.
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// CHECK: bufferize_while
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// CHECK: scf.while
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// CHECK: scf.condition
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func @bufferize_while(%arg0: i64, %arg1: i64) -> i64 {
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%c2_i64 = constant 2 : i64
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%0:2 = scf.while (%arg2 = %arg0) : (i64) -> (i64, i64) {
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%1 = cmpi slt, %arg2, %arg1 : i64
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scf.condition(%1) %arg2, %arg2 : i64, i64
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} do {
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^bb0(%arg2: i64, %arg3: i64):
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%1 = muli %arg3, %c2_i64 : i64
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scf.yield %1 : i64
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}
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return %0#1 : i64
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}
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