94 lines
4.0 KiB
MLIR
94 lines
4.0 KiB
MLIR
// RUN: mlir-hlo-opt -lhlo-copy-removal %s -o - | FileCheck %s
|
|
|
|
// CHECK-LABEL: func @remove_simple
|
|
func @remove_simple(%arg0: memref<2x2xf32>) {
|
|
%0 = alloc() {temp = true} : memref<2x2xf32>
|
|
"lmhlo.copy"(%0, %arg0) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
dealloc %0 : memref<2x2xf32>
|
|
// CHECK-NEXT: "lmhlo.terminator"() : () -> ()
|
|
"lmhlo.terminator"() : () -> ()
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-LABEL: func @remove_without_dealloc
|
|
func @remove_without_dealloc(%arg0: memref<2x2xf32>) {
|
|
%0 = alloc() {temp = true} : memref<2x2xf32>
|
|
"lmhlo.copy"(%0, %arg0) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
// CHECK-NEXT: "lmhlo.terminator"() : () -> ()
|
|
"lmhlo.terminator"() : () -> ()
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-LABEL: func @replace_dependency
|
|
func @replace_dependency(%arg0: memref<2x2xf32>, %arg1: memref<2x2xf32>) {
|
|
%0 = alloc() {temp = true} : memref<2x2xf32>
|
|
"lmhlo.exponential"(%arg0, %0) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
// CHECK-NEXT: "lmhlo.exponential"(%arg0, %arg1) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.copy"(%0, %arg1) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
dealloc %0 : memref<2x2xf32>
|
|
// CHECK-NEXT: "lmhlo.terminator"() : () -> ()
|
|
"lmhlo.terminator"() : () -> ()
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-LABEL: func @keep_copies
|
|
func @keep_copies(%arg0: memref<2x2xf32>, %arg1: memref<2x2xf32>) {
|
|
// CHECK-NEXT: "lmhlo.copy"(%arg0, %arg1) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.copy"(%arg0, %arg1) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
// CHECK-NEXT: "lmhlo.terminator"() : () -> ()
|
|
"lmhlo.terminator"() : () -> ()
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-LABEL: func @must_not_be_removed
|
|
func @must_not_be_removed(%arg0: memref<2x2xf32>,
|
|
%arg1: memref<2x2xf32>,
|
|
%arg2: memref<2x2xf32>) {
|
|
// CHECK-NEXT: %[[ALLOC:.*]] = alloc() {temp = true} : memref<2x2xf32>
|
|
%0 = alloc() {temp = true} : memref<2x2xf32>
|
|
// CHECK-NEXT: "lmhlo.exponential"(%arg0, %[[ALLOC]]) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.exponential"(%arg0, %0) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
// CHECK-NEXT: "lmhlo.exponential"(%arg1, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.exponential"(%arg1, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
// CHECK-NEXT: "lmhlo.copy"(%[[ALLOC]], %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.copy"(%0, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
dealloc %0 : memref<2x2xf32>
|
|
"lmhlo.terminator"() : () -> ()
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-LABEL: func @must_be_removed_first
|
|
func @must_be_removed_first(%arg0: memref<2x2xf32>,
|
|
%arg1: memref<2x2xf32>,
|
|
%arg2: memref<2x2xf32>) {
|
|
%0 = alloc() {temp = true} : memref<2x2xf32>
|
|
// CHECK-NEXT: "lmhlo.exponential"(%arg1, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.exponential"(%arg1, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
// CHECK-NEXT: "lmhlo.exponential"(%arg0, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.exponential"(%arg0, %0) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.copy"(%0, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
dealloc %0 : memref<2x2xf32>
|
|
"lmhlo.terminator"() : () -> ()
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-LABEL: func @must_be_removed_second
|
|
func @must_be_removed_second(%arg0: memref<2x2xf32>,
|
|
%arg1: memref<2x2xf32>,
|
|
%arg2: memref<2x2xf32>) {
|
|
%0 = alloc() {temp = true} : memref<2x2xf32>
|
|
// CHECK-NEXT: "lmhlo.exponential"(%arg0, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.exponential"(%arg0, %0) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.copy"(%0, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
// CHECK-NEXT: "lmhlo.exponential"(%arg1, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
"lmhlo.exponential"(%arg1, %arg2) : (memref<2x2xf32>, memref<2x2xf32>) -> ()
|
|
dealloc %0 : memref<2x2xf32>
|
|
"lmhlo.terminator"() : () -> ()
|
|
}
|