1 // Test translation to llvm IR of fir.rebox with substring array sections.
3 // RUN: fir-opt -o - -cg-rewrite --fir-to-llvm-ir -cse %s | FileCheck %s
4 // RUN: tco -o - -cg-rewrite --fir-to-llvm-ir -cse %s | FileCheck %s
6 // Test a fir.rebox with a substring on a character array with constant
7 // length (like c(:)(2:*) where c is a fir.box array with constant length).
9 // CHECK-LABEL: llvm.func @char_section(
10 // CHECK-SAME: %[[VAL_0:.*]]: !llvm.ptr) {
11 func.func @char_section(%arg0: !fir.box<!fir.array<?x!fir.char<1,20>>>) {
12 %c7_i64 = arith.constant 7 : i64
13 %c1_i64 = arith.constant 1 : i64
14 %c0 = arith.constant 0 : index
15 %c1 = arith.constant 1 : index
16 %0:3 = fir.box_dims %arg0, %c0 : (!fir.box<!fir.array<?x!fir.char<1,20>>>, index) -> (index, index, index)
17 %1 = fir.slice %c1, %0#1, %c1_i64 substr %c1_i64, %c7_i64 : (index, index, i64, i64, i64) -> !fir.slice<1>
19 // Only test the computation of the base address offset computation accounting for the substring
21 // CHECK: %[[VAL_4:.*]] = llvm.mlir.constant(1 : i64) : i64
23 // CHECK: %[[VAL_37:.*]] = llvm.getelementptr %[[VAL_0]]{{\[}}0, 0] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct<{{.*}}>
24 // CHECK: %[[VAL_38:.*]] = llvm.load %[[VAL_37]] : !llvm.ptr -> !llvm.ptr
25 // CHECK: %[[VAL_30:.*]] = llvm.mlir.constant(0 : i64) : i64
26 // CHECK: %[[VAL_40:.*]] = llvm.getelementptr %[[VAL_38]]{{\[}}%[[VAL_30]], %[[VAL_4]]] : (!llvm.ptr, i64, i64) -> !llvm.ptr, !llvm.array<20 x i8>
28 // More offset computation with descriptor strides and triplets that is not character specific ...
30 %2 = fir.rebox %arg0 [%1] : (!fir.box<!fir.array<?x!fir.char<1,20>>>, !fir.slice<1>) -> !fir.box<!fir.array<?x!fir.char<1,?>>>
31 fir.call @bar(%2) : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> ()
35 // Test a rebox of an array section like x(3:60:9)%c(2:8) with both a triplet, a component and a substring where x is a fir.box.
37 // CHECK-LABEL: llvm.func @foo(
38 // CHECK-SAME: %[[VAL_0:.*]]: !llvm.ptr) {
39 func.func private @bar(!fir.box<!fir.array<?x!fir.char<1,?>>>)
40 func.func @foo(%arg0: !fir.box<!fir.array<?x!fir.type<t{i:i32,c:!fir.char<1,10>}>>>) {
41 %c7_i64 = arith.constant 7 : i64
42 %c1_i64 = arith.constant 1 : i64
43 %c9_i64 = arith.constant 9 : i64
44 %c60_i64 = arith.constant 60 : i64
45 %c3_i64 = arith.constant 3 : i64
46 %0 = fir.field_index c, !fir.type<t{i:i32,c:!fir.char<1,10>}>
47 %1 = fir.slice %c3_i64, %c60_i64, %c9_i64 path %0 substr %c1_i64, %c7_i64 : (i64, i64, i64, !fir.field, i64, i64) -> !fir.slice<1>
49 // Only test the computation of the base address offset computation accounting for the substring of the component
51 // CHECK: %[[VAL_1:.*]] = llvm.mlir.constant(1 : i32) : i32
53 // CHECK: %[[VAL_30:.*]] = llvm.getelementptr %[[VAL_0]]{{\[}}0, 0] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct<{{.*}}>
54 // CHECK: %[[VAL_31:.*]] = llvm.load %[[VAL_30]] : !llvm.ptr -> !llvm.ptr
55 // CHECK: %[[VAL_21:.*]] = llvm.mlir.constant(0 : i64) : i64
56 // CHECK: %[[VAL_33:.*]] = llvm.getelementptr %[[VAL_31]]{{\[}}%[[VAL_21]], 1, %[[VAL_4]]] : (!llvm.ptr, i64, i64) -> !llvm.ptr, !llvm.struct<{{.*}}>
58 // More offset computation with descriptor strides and triplets that is not character specific ...
60 %2 = fir.rebox %arg0 [%1] : (!fir.box<!fir.array<?x!fir.type<t{i:i32,c:!fir.char<1,10>}>>>, !fir.slice<1>) -> !fir.box<!fir.array<?x!fir.char<1,?>>>
61 fir.call @bar(%2) : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> ()
65 // Test that a rebox with `index` substring parameter is converted
66 // to legal IR. It used to produce:
67 // %63 = "llvm.mul"(%62, <<NULL VALUE>>) : (i64, <<NULL TYPE>>) -> i64
68 // because the substr was not accessed via the adaptor's operands.
70 // CHECK-LABEL: llvm.func @index_substr(
71 // CHECK-NOT: NULL_VALUE
72 // CHECK-NOT: NULL_TYPE
73 func.func @index_substr(%arg0: !fir.box<!fir.array<?x!fir.char<1,20>>>) {
74 %c7_index = arith.constant 7 : index
75 %c1_i64 = arith.constant 1 : i64
76 %c0 = arith.constant 0 : index
77 %c1 = arith.constant 1 : index
78 %0:3 = fir.box_dims %arg0, %c0 : (!fir.box<!fir.array<?x!fir.char<1,20>>>, index) -> (index, index, index)
79 %1 = fir.slice %c1, %0#1, %c1_i64 substr %c1_i64, %c7_index : (index, index, i64, i64, index) -> !fir.slice<1>
80 %2 = fir.rebox %arg0 [%1] : (!fir.box<!fir.array<?x!fir.char<1,20>>>, !fir.slice<1>) -> !fir.box<!fir.array<?x!fir.char<1,?>>>
81 fir.call @bar(%2) : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> ()