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TheRock/compiler/amd-llvm/mlir/test/Transforms/buffer-results-to-out-params-hosit-static-allocs.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

52 lines
2.1 KiB
MLIR

// RUN: mlir-opt -allow-unregistered-dialect -p 'builtin.module(buffer-results-to-out-params{hoist-static-allocs})' %s | FileCheck %s
// CHECK-LABEL: func private @basic(
// CHECK-SAME: %[[ARG:.*]]: memref<8x64xf32>) {
// CHECK-NOT: memref.alloc()
// CHECK: "test.source"(%[[ARG]]) : (memref<8x64xf32>) -> ()
// CHECK: return
// CHECK: }
func.func private @basic() -> (memref<8x64xf32>) {
%b = memref.alloc() : memref<8x64xf32>
"test.source"(%b) : (memref<8x64xf32>) -> ()
return %b : memref<8x64xf32>
}
// CHECK-LABEL: func private @basic_no_change(
// 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 private @basic_no_change() -> (memref<f32>) {
%0 = "test.source"() : () -> (memref<f32>)
return %0 : memref<f32>
}
// CHECK-LABEL: func private @basic_dynamic(
// CHECK-SAME: %[[D:.*]]: index, %[[ARG:.*]]: memref<?xf32>) {
// CHECK: %[[RESULT:.*]] = memref.alloc(%[[D]]) : memref<?xf32>
// CHECK: "test.source"(%[[RESULT]]) : (memref<?xf32>) -> ()
// CHECK: memref.copy %[[RESULT]], %[[ARG]]
// CHECK: return
// CHECK: }
func.func private @basic_dynamic(%d: index) -> (memref<?xf32>) {
%b = memref.alloc(%d) : memref<?xf32>
"test.source"(%b) : (memref<?xf32>) -> ()
return %b : memref<?xf32>
}
// -----
// no change due to writing to func args
// CHECK-LABEL: func private @return_arg(
// CHECK-SAME: %[[ARG0:.*]]: memref<128x256xf32>, %[[ARG1:.*]]: memref<128x256xf32>, %[[ARG2:.*]]: memref<128x256xf32>) {
// CHECK: "test.source"(%[[ARG0]], %[[ARG1]])
// CHECK: memref.copy
// CHECK: return
// CHECK: }
func.func private @return_arg(%arg0: memref<128x256xf32>, %arg1: memref<128x256xf32>) -> memref<128x256xf32> {
"test.source"(%arg0, %arg1) : (memref<128x256xf32>, memref<128x256xf32>) -> ()
return %arg0 : memref<128x256xf32>
}