forked from OSchip/llvm-project
68 lines
4.0 KiB
Plaintext
68 lines
4.0 KiB
Plaintext
// Test translation to llvm IR of fir.rebox with substring array sections.
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// RUN: fir-opt -o - -cg-rewrite --fir-to-llvm-ir -cse %s | FileCheck %s
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// RUN: tco -o - -cg-rewrite --fir-to-llvm-ir -cse %s | FileCheck %s
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// Test a fir.rebox with a substring on a character array with constant
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// length (like c(:)(2:*) where c is a fir.box array with constant length).
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// CHECK-LABEL: llvm.func @char_section(
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// CHECK-SAME: %[[VAL_0:.*]]: !llvm.ptr<[[char20_descriptor_t:.*]]>)>>) {
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func.func @char_section(%arg0: !fir.box<!fir.array<?x!fir.char<1,20>>>) {
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%c7_i64 = arith.constant 7 : i64
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%c1_i64 = arith.constant 1 : i64
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%c0 = arith.constant 0 : index
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%c1 = arith.constant 1 : index
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%0:3 = fir.box_dims %arg0, %c0 : (!fir.box<!fir.array<?x!fir.char<1,20>>>, index) -> (index, index, index)
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%1 = fir.slice %c1, %0#1, %c1_i64 substr %c1_i64, %c7_i64 : (index, index, i64, i64, i64) -> !fir.slice<1>
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// Only test the computation of the base address offset computation accounting for the substring
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// CHECK: %[[VAL_4:.*]] = llvm.mlir.constant(1 : i64) : i64
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// CHECK: %[[VAL_30:.*]] = llvm.mlir.constant(0 : i64) : i64
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// CHECK: %[[VAL_37:.*]] = llvm.getelementptr %[[VAL_0]]{{\[}}0, 0] : (!llvm.ptr<[[char20_descriptor_t]]>)>>) -> !llvm.ptr<ptr<array<20 x i8>>>
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// CHECK: %[[VAL_38:.*]] = llvm.load %[[VAL_37]] : !llvm.ptr<ptr<array<20 x i8>>>
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// CHECK: %[[VAL_39:.*]] = llvm.bitcast %[[VAL_38]] : !llvm.ptr<array<20 x i8>> to !llvm.ptr<array<20 x i8>>
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// CHECK: %[[VAL_40:.*]] = llvm.getelementptr %[[VAL_39]]{{\[}}%[[VAL_30]], %[[VAL_4]]] : (!llvm.ptr<array<20 x i8>>, i64, i64) -> !llvm.ptr<i8>
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// CHECK: llvm.bitcast %[[VAL_40]] : !llvm.ptr<i8> to !llvm.ptr<i8>
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// More offset computation with descriptor strides and triplets that is not character specific ...
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%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,?>>>
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fir.call @bar(%2) : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> ()
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return
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}
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// 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.
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// CHECK-LABEL: llvm.func @foo(
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// CHECK-SAME: %[[VAL_0:.*]]: !llvm.ptr<struct<(ptr<[[struct_t:.*]]>, i64, i32, i8, i8, i8, i8, array<1 x array<3 x i64>>, ptr<i8>, array<1 x i64>)>>) {
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func.func private @bar(!fir.box<!fir.array<?x!fir.char<1,?>>>)
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func.func @foo(%arg0: !fir.box<!fir.array<?x!fir.type<t{i:i32,c:!fir.char<1,10>}>>>) {
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%c7_i64 = arith.constant 7 : i64
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%c1_i64 = arith.constant 1 : i64
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%c9_i64 = arith.constant 9 : i64
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%c60_i64 = arith.constant 60 : i64
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%c3_i64 = arith.constant 3 : i64
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%0 = fir.field_index c, !fir.type<t{i:i32,c:!fir.char<1,10>}>
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%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>
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// Only test the computation of the base address offset computation accounting for the substring of the component
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// CHECK: %[[VAL_1:.*]] = llvm.mlir.constant(1 : i32) : i32
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// CHECK: %[[VAL_21:.*]] = llvm.mlir.constant(0 : i64) : i64
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// CHECK: %[[VAL_30:.*]] = llvm.getelementptr %[[VAL_0]]{{\[}}0, 0] : (!llvm.ptr<[[struct_t_descriptor:.*]]>) -> !llvm.ptr<ptr<[[struct_t]]>>
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// CHECK: %[[VAL_31:.*]] = llvm.load %[[VAL_30]] : !llvm.ptr<ptr<[[struct_t]]>>
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// CHECK: %[[VAL_32:.*]] = llvm.bitcast %[[VAL_31]] : !llvm.ptr<[[struct_t]]> to !llvm.ptr<[[struct_t]]>
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// CHECK: %[[VAL_33:.*]] = llvm.getelementptr %[[VAL_32]]{{\[}}%[[VAL_21]], 1, %[[VAL_4]]] : (!llvm.ptr<[[struct_t]]>, i64, i64) -> !llvm.ptr<i8>
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// CHECK: llvm.bitcast %[[VAL_33]] : !llvm.ptr<i8> to !llvm.ptr<i8>
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// More offset computation with descriptor strides and triplets that is not character specific ...
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%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,?>>>
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fir.call @bar(%2) : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> ()
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return
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}
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