forked from OSchip/llvm-project
295 lines
7.4 KiB
MLIR
295 lines
7.4 KiB
MLIR
// RUN: mlir-opt %s -split-input-file -loop-invariant-code-motion | FileCheck %s
|
|
|
|
func @nested_loops_both_having_invariant_code() {
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf7 = constant 7.0 : f32
|
|
%cf8 = constant 8.0 : f32
|
|
|
|
affine.for %arg0 = 0 to 10 {
|
|
%v0 = addf %cf7, %cf8 : f32
|
|
affine.for %arg1 = 0 to 10 {
|
|
%v1 = addf %v0, %cf8 : f32
|
|
affine.store %v0, %m[%arg0] : memref<10xf32>
|
|
}
|
|
}
|
|
|
|
// CHECK: %0 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: %[[CST0:.*]] = constant 7.000000e+00 : f32
|
|
// CHECK-NEXT: %[[CST1:.*]] = constant 8.000000e+00 : f32
|
|
// CHECK-NEXT: %[[ADD0:.*]] = addf %[[CST0]], %[[CST1]] : f32
|
|
// CHECK-NEXT: addf %[[ADD0]], %[[CST1]] : f32
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.store
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @nested_loops_code_invariant_to_both() {
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf7 = constant 7.0 : f32
|
|
%cf8 = constant 8.0 : f32
|
|
|
|
affine.for %arg0 = 0 to 10 {
|
|
affine.for %arg1 = 0 to 10 {
|
|
%v0 = addf %cf7, %cf8 : f32
|
|
}
|
|
}
|
|
|
|
// CHECK: %0 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: %cst = constant 7.000000e+00 : f32
|
|
// CHECK-NEXT: %cst_0 = constant 8.000000e+00 : f32
|
|
// CHECK-NEXT: %1 = addf %cst, %cst_0 : f32
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @single_loop_nothing_invariant() {
|
|
%m1 = memref.alloc() : memref<10xf32>
|
|
%m2 = memref.alloc() : memref<10xf32>
|
|
affine.for %arg0 = 0 to 10 {
|
|
%v0 = affine.load %m1[%arg0] : memref<10xf32>
|
|
%v1 = affine.load %m2[%arg0] : memref<10xf32>
|
|
%v2 = addf %v0, %v1 : f32
|
|
affine.store %v2, %m1[%arg0] : memref<10xf32>
|
|
}
|
|
|
|
// CHECK: %0 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: %1 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: affine.for %arg0 = 0 to 10 {
|
|
// CHECK-NEXT: %2 = affine.load %0[%arg0] : memref<10xf32>
|
|
// CHECK-NEXT: %3 = affine.load %1[%arg0] : memref<10xf32>
|
|
// CHECK-NEXT: %4 = addf %2, %3 : f32
|
|
// CHECK-NEXT: affine.store %4, %0[%arg0] : memref<10xf32>
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @invariant_code_inside_affine_if() {
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf8 = constant 8.0 : f32
|
|
|
|
affine.for %arg0 = 0 to 10 {
|
|
%t0 = affine.apply affine_map<(d1) -> (d1 + 1)>(%arg0)
|
|
affine.if affine_set<(d0, d1) : (d1 - d0 >= 0)> (%arg0, %t0) {
|
|
%cf9 = addf %cf8, %cf8 : f32
|
|
affine.store %cf9, %m[%arg0] : memref<10xf32>
|
|
|
|
}
|
|
}
|
|
|
|
// CHECK: %0 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: %cst = constant 8.000000e+00 : f32
|
|
// CHECK-NEXT: affine.for %arg0 = 0 to 10 {
|
|
// CHECK-NEXT: %1 = affine.apply #map(%arg0)
|
|
// CHECK-NEXT: affine.if #set(%arg0, %1) {
|
|
// CHECK-NEXT: %2 = addf %cst, %cst : f32
|
|
// CHECK-NEXT: affine.store %2, %0[%arg0] : memref<10xf32>
|
|
// CHECK-NEXT: }
|
|
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @invariant_affine_if() {
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf8 = constant 8.0 : f32
|
|
affine.for %arg0 = 0 to 10 {
|
|
affine.for %arg1 = 0 to 10 {
|
|
affine.if affine_set<(d0, d1) : (d1 - d0 >= 0)> (%arg0, %arg0) {
|
|
%cf9 = addf %cf8, %cf8 : f32
|
|
}
|
|
}
|
|
}
|
|
|
|
// CHECK: %0 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: %[[CST:.*]] = constant 8.000000e+00 : f32
|
|
// CHECK-NEXT: affine.for %[[ARG:.*]] = 0 to 10 {
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: affine.for %[[ARG:.*]] = 0 to 10 {
|
|
// CHECK-NEXT: affine.if #set(%[[ARG]], %[[ARG]]) {
|
|
// CHECK-NEXT: addf %[[CST]], %[[CST]] : f32
|
|
// CHECK-NEXT: }
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @invariant_affine_if2() {
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf8 = constant 8.0 : f32
|
|
affine.for %arg0 = 0 to 10 {
|
|
affine.for %arg1 = 0 to 10 {
|
|
affine.if affine_set<(d0, d1) : (d1 - d0 >= 0)> (%arg0, %arg0) {
|
|
%cf9 = addf %cf8, %cf8 : f32
|
|
affine.store %cf9, %m[%arg1] : memref<10xf32>
|
|
}
|
|
}
|
|
}
|
|
|
|
// CHECK: memref.alloc
|
|
// CHECK-NEXT: constant
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.if
|
|
// CHECK-NEXT: addf
|
|
// CHECK-NEXT: affine.store
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: }
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @invariant_affine_nested_if() {
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf8 = constant 8.0 : f32
|
|
affine.for %arg0 = 0 to 10 {
|
|
affine.for %arg1 = 0 to 10 {
|
|
affine.if affine_set<(d0, d1) : (d1 - d0 >= 0)> (%arg0, %arg0) {
|
|
%cf9 = addf %cf8, %cf8 : f32
|
|
affine.if affine_set<(d0, d1) : (d1 - d0 >= 0)> (%arg0, %arg0) {
|
|
%cf10 = addf %cf9, %cf9 : f32
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// CHECK: memref.alloc
|
|
// CHECK-NEXT: constant
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.if
|
|
// CHECK-NEXT: addf
|
|
// CHECK-NEXT: affine.if
|
|
// CHECK-NEXT: addf
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: }
|
|
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @invariant_affine_nested_if_else() {
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf8 = constant 8.0 : f32
|
|
affine.for %arg0 = 0 to 10 {
|
|
affine.for %arg1 = 0 to 10 {
|
|
affine.if affine_set<(d0, d1) : (d1 - d0 >= 0)> (%arg0, %arg0) {
|
|
%cf9 = addf %cf8, %cf8 : f32
|
|
affine.store %cf9, %m[%arg0] : memref<10xf32>
|
|
affine.if affine_set<(d0, d1) : (d1 - d0 >= 0)> (%arg0, %arg0) {
|
|
%cf10 = addf %cf9, %cf9 : f32
|
|
} else {
|
|
affine.store %cf9, %m[%arg1] : memref<10xf32>
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// CHECK: memref.alloc
|
|
// CHECK-NEXT: constant
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.for
|
|
// CHECK-NEXT: affine.if
|
|
// CHECK-NEXT: addf
|
|
// CHECK-NEXT: affine.store
|
|
// CHECK-NEXT: affine.if
|
|
// CHECK-NEXT: addf
|
|
// CHECK-NEXT: } else {
|
|
// CHECK-NEXT: affine.store
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: }
|
|
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @invariant_loop_dialect() {
|
|
%ci0 = constant 0 : index
|
|
%ci10 = constant 10 : index
|
|
%ci1 = constant 1 : index
|
|
%m = memref.alloc() : memref<10xf32>
|
|
%cf7 = constant 7.0 : f32
|
|
%cf8 = constant 8.0 : f32
|
|
scf.for %arg0 = %ci0 to %ci10 step %ci1 {
|
|
scf.for %arg1 = %ci0 to %ci10 step %ci1 {
|
|
%v0 = addf %cf7, %cf8 : f32
|
|
}
|
|
}
|
|
|
|
// CHECK: %0 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: %cst = constant 7.000000e+00 : f32
|
|
// CHECK-NEXT: %cst_0 = constant 8.000000e+00 : f32
|
|
// CHECK-NEXT: %1 = addf %cst, %cst_0 : f32
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @variant_loop_dialect() {
|
|
%ci0 = constant 0 : index
|
|
%ci10 = constant 10 : index
|
|
%ci1 = constant 1 : index
|
|
%m = memref.alloc() : memref<10xf32>
|
|
scf.for %arg0 = %ci0 to %ci10 step %ci1 {
|
|
scf.for %arg1 = %ci0 to %ci10 step %ci1 {
|
|
%v0 = addi %arg0, %arg1 : index
|
|
}
|
|
}
|
|
|
|
// CHECK: %0 = memref.alloc() : memref<10xf32>
|
|
// CHECK-NEXT: scf.for
|
|
// CHECK-NEXT: scf.for
|
|
// CHECK-NEXT: addi
|
|
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @parallel_loop_with_invariant() {
|
|
%c0 = constant 0 : index
|
|
%c10 = constant 10 : index
|
|
%c1 = constant 1 : index
|
|
%c7 = constant 7 : i32
|
|
%c8 = constant 8 : i32
|
|
scf.parallel (%arg0, %arg1) = (%c0, %c0) to (%c10, %c10) step (%c1, %c1) {
|
|
%v0 = addi %c7, %c8 : i32
|
|
%v3 = addi %arg0, %arg1 : index
|
|
}
|
|
|
|
// CHECK-LABEL: func @parallel_loop_with_invariant
|
|
// CHECK: %c0 = constant 0 : index
|
|
// CHECK-NEXT: %c10 = constant 10 : index
|
|
// CHECK-NEXT: %c1 = constant 1 : index
|
|
// CHECK-NEXT: %c7_i32 = constant 7 : i32
|
|
// CHECK-NEXT: %c8_i32 = constant 8 : i32
|
|
// CHECK-NEXT: addi %c7_i32, %c8_i32 : i32
|
|
// CHECK-NEXT: scf.parallel (%arg0, %arg1) = (%c0, %c0) to (%c10, %c10) step (%c1, %c1)
|
|
// CHECK-NEXT: addi %arg0, %arg1 : index
|
|
// CHECK-NEXT: yield
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: return
|
|
|
|
return
|
|
}
|
|
|