1// RUN: mlir-opt -convert-func-to-llvm -reconcile-unrealized-casts %s | FileCheck %s
2// RUN: mlir-opt -convert-func-to-llvm='use-bare-ptr-memref-call-conv=1'  -split-input-file %s | FileCheck %s --check-prefix=BAREPTR
3
4// These tests were separated from func-memref.mlir because applying
5// -reconcile-unrealized-casts resulted in `llvm.extractvalue` ops getting
6// folded away.
7
8// CHECK-LABEL: func @check_static_return
9// CHECK-COUNT-2: !llvm.ptr<f32>
10// CHECK-COUNT-5: i64
11// CHECK-SAME: -> !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
12// BAREPTR-LABEL: func @check_static_return
13// BAREPTR-SAME: (%[[arg:.*]]: !llvm.ptr<f32>) -> !llvm.ptr<f32> {
14func.func @check_static_return(%static : memref<32x18xf32>) -> memref<32x18xf32> {
15// CHECK:  llvm.return %{{.*}} : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
16
17// BAREPTR: %[[udf:.*]] = llvm.mlir.undef : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
18// BAREPTR-NEXT: %[[base0:.*]] = llvm.insertvalue %[[arg]], %[[udf]][0] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
19// BAREPTR-NEXT: %[[aligned:.*]] = llvm.insertvalue %[[arg]], %[[base0]][1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
20// BAREPTR-NEXT: %[[val0:.*]] = llvm.mlir.constant(0 : index) : i64
21// BAREPTR-NEXT: %[[ins0:.*]] = llvm.insertvalue %[[val0]], %[[aligned]][2] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
22// BAREPTR-NEXT: %[[val1:.*]] = llvm.mlir.constant(32 : index) : i64
23// BAREPTR-NEXT: %[[ins1:.*]] = llvm.insertvalue %[[val1]], %[[ins0]][3, 0] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
24// BAREPTR-NEXT: %[[val2:.*]] = llvm.mlir.constant(18 : index) : i64
25// BAREPTR-NEXT: %[[ins2:.*]] = llvm.insertvalue %[[val2]], %[[ins1]][4, 0] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
26// BAREPTR-NEXT: %[[val3:.*]] = llvm.mlir.constant(18 : index) : i64
27// BAREPTR-NEXT: %[[ins3:.*]] = llvm.insertvalue %[[val3]], %[[ins2]][3, 1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
28// BAREPTR-NEXT: %[[val4:.*]] = llvm.mlir.constant(1 : index) : i64
29// BAREPTR-NEXT: %[[ins4:.*]] = llvm.insertvalue %[[val4]], %[[ins3]][4, 1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
30// BAREPTR-NEXT: %[[base1:.*]] = llvm.extractvalue %[[ins4]][1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
31// BAREPTR-NEXT: llvm.return %[[base1]] : !llvm.ptr<f32>
32  return %static : memref<32x18xf32>
33}
34
35// -----
36
37// CHECK-LABEL: func @check_static_return_with_offset
38// CHECK-COUNT-2: !llvm.ptr<f32>
39// CHECK-COUNT-5: i64
40// CHECK-SAME: -> !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
41// BAREPTR-LABEL: func @check_static_return_with_offset
42// BAREPTR-SAME: (%[[arg:.*]]: !llvm.ptr<f32>) -> !llvm.ptr<f32> {
43func.func @check_static_return_with_offset(%static : memref<32x18xf32, offset:7, strides:[22,1]>) -> memref<32x18xf32, offset:7, strides:[22,1]> {
44// CHECK:  llvm.return %{{.*}} : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
45
46// BAREPTR: %[[udf:.*]] = llvm.mlir.undef : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
47// BAREPTR-NEXT: %[[base0:.*]] = llvm.insertvalue %[[arg]], %[[udf]][0] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
48// BAREPTR-NEXT: %[[aligned:.*]] = llvm.insertvalue %[[arg]], %[[base0]][1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
49// BAREPTR-NEXT: %[[val0:.*]] = llvm.mlir.constant(7 : index) : i64
50// BAREPTR-NEXT: %[[ins0:.*]] = llvm.insertvalue %[[val0]], %[[aligned]][2] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
51// BAREPTR-NEXT: %[[val1:.*]] = llvm.mlir.constant(32 : index) : i64
52// BAREPTR-NEXT: %[[ins1:.*]] = llvm.insertvalue %[[val1]], %[[ins0]][3, 0] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
53// BAREPTR-NEXT: %[[val2:.*]] = llvm.mlir.constant(22 : index) : i64
54// BAREPTR-NEXT: %[[ins2:.*]] = llvm.insertvalue %[[val2]], %[[ins1]][4, 0] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
55// BAREPTR-NEXT: %[[val3:.*]] = llvm.mlir.constant(18 : index) : i64
56// BAREPTR-NEXT: %[[ins3:.*]] = llvm.insertvalue %[[val3]], %[[ins2]][3, 1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
57// BAREPTR-NEXT: %[[val4:.*]] = llvm.mlir.constant(1 : index) : i64
58// BAREPTR-NEXT: %[[ins4:.*]] = llvm.insertvalue %[[val4]], %[[ins3]][4, 1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
59// BAREPTR-NEXT: %[[base1:.*]] = llvm.extractvalue %[[ins4]][1] : !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
60// BAREPTR-NEXT: llvm.return %[[base1]] : !llvm.ptr<f32>
61  return %static : memref<32x18xf32, offset:7, strides:[22,1]>
62}
63
64// -----
65
66// BAREPTR: llvm.func @foo(!llvm.ptr<i8>) -> !llvm.ptr<i8>
67func.func private @foo(memref<10xi8>) -> memref<20xi8>
68
69// BAREPTR-LABEL: func @check_memref_func_call
70// BAREPTR-SAME:    %[[in:.*]]: !llvm.ptr<i8>) -> !llvm.ptr<i8>
71func.func @check_memref_func_call(%in : memref<10xi8>) -> memref<20xi8> {
72  // BAREPTR:         %[[inDesc:.*]] = llvm.insertvalue %{{.*}}, %{{.*}}[4, 0]
73  // BAREPTR-NEXT:    %[[barePtr:.*]] = llvm.extractvalue %[[inDesc]][1] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
74  // BAREPTR-NEXT:    %[[call:.*]] = llvm.call @foo(%[[barePtr]]) : (!llvm.ptr<i8>) -> !llvm.ptr<i8>
75  // BAREPTR-NEXT:    %[[desc0:.*]] = llvm.mlir.undef : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
76  // BAREPTR-NEXT:    %[[desc1:.*]] = llvm.insertvalue %[[call]], %[[desc0]][0] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
77  // BAREPTR-NEXT:    %[[desc2:.*]] = llvm.insertvalue %[[call]], %[[desc1]][1] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
78  // BAREPTR-NEXT:    %[[c0:.*]] = llvm.mlir.constant(0 : index) : i64
79  // BAREPTR-NEXT:    %[[desc4:.*]] = llvm.insertvalue %[[c0]], %[[desc2]][2] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
80  // BAREPTR-NEXT:    %[[c20:.*]] = llvm.mlir.constant(20 : index) : i64
81  // BAREPTR-NEXT:    %[[desc6:.*]] = llvm.insertvalue %[[c20]], %[[desc4]][3, 0] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
82  // BAREPTR-NEXT:    %[[c1:.*]] = llvm.mlir.constant(1 : index) : i64
83  // BAREPTR-NEXT:    %[[outDesc:.*]] = llvm.insertvalue %[[c1]], %[[desc6]][4, 0] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
84  %res = call @foo(%in) : (memref<10xi8>) -> (memref<20xi8>)
85  // BAREPTR-NEXT:    %[[res:.*]] = llvm.extractvalue %[[outDesc]][1] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
86  // BAREPTR-NEXT:    llvm.return %[[res]] : !llvm.ptr<i8>
87  return %res : memref<20xi8>
88}
89
90// -----
91
92// BAREPTR-LABEL: func @check_return(
93// BAREPTR-SAME: %{{.*}}: memref<?xi8>) -> memref<?xi8>
94func.func @check_return(%in : memref<?xi8>) -> memref<?xi8> {
95  // BAREPTR: llvm.return {{.*}} : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)>
96  return %in : memref<?xi8>
97}
98