1 // Test rewrite of fir.declare. The result is replaced by the memref operand.
2 // RUN: fir-opt --cg-rewrite="preserve-declare=true" %s -o - | FileCheck %s --check-prefixes DECL
3 // RUN: fir-opt --cg-rewrite="preserve-declare=false" %s -o - | FileCheck %s --check-prefixes NODECL
4 // RUN: fir-opt --cg-rewrite %s -o - | FileCheck %s --check-prefixes NODECL
7 func.func @test(%arg0: !fir.ref<!fir.array<12x23xi32>>) {
8 %c-1 = arith.constant -1 : index
9 %c12 = arith.constant 12 : index
10 %c-2 = arith.constant -2 : index
11 %c23 = arith.constant 23 : index
12 %0 = fir.shape_shift %c12, %c-1, %c23, %c-2 : (index, index, index, index) -> !fir.shapeshift<2>
13 %1 = fir.declare %arg0(%0) {uniq_name = "_QFarray_numeric_lboundsEx"} : (!fir.ref<!fir.array<12x23xi32>>, !fir.shapeshift<2>) -> !fir.ref<!fir.array<12x23xi32>>
14 fir.call @bar(%1) : (!fir.ref<!fir.array<12x23xi32>>) -> ()
17 func.func private @bar(%arg0: !fir.ref<!fir.array<12x23xi32>>)
20 // NODECL-LABEL: func.func @test(
21 // NODECL-SAME: %[[arg0:.*]]: !fir.ref<!fir.array<12x23xi32>>) {
22 // NODECL-NEXT: fir.call @bar(%[[arg0]]) : (!fir.ref<!fir.array<12x23xi32>>) -> ()
24 // DECL-LABEL: func.func @test(
25 // DECL-SAME: %[[arg0:.*]]: !fir.ref<!fir.array<12x23xi32>>) {
26 // DECL: fircg.ext_declare
29 func.func @useless_shape_with_duplicate_extent_operand(%arg0: !fir.ref<!fir.array<3x3xf32>>) {
30 %c3 = arith.constant 3 : index
31 %1 = fir.shape %c3, %c3 : (index, index) -> !fir.shape<2>
32 %2 = fir.declare %arg0(%1) {uniq_name = "u"} : (!fir.ref<!fir.array<3x3xf32>>, !fir.shape<2>) -> !fir.ref<!fir.array<3x3xf32>>
36 // NODECL-LABEL: func.func @useless_shape_with_duplicate_extent_operand(
37 // NODECL-NEXT: return
39 // DECL-LABEL: func.func @useless_shape_with_duplicate_extent_operand(
40 // DECL: fircg.ext_declare
42 // Test DCE does not crash because of unreachable code.
43 func.func @unreachable_code(%arg0: !fir.ref<!fir.char<1,10>>) {
44 %c10 = arith.constant 10 : index
45 %2 = fir.declare %arg0 typeparams %c10 {uniq_name = "live_code"} : (!fir.ref<!fir.char<1,10>>, index) -> (!fir.ref<!fir.char<1,10>>)
47 ^bb2: // no predecessors
48 %3 = fir.declare %arg0 typeparams %c10 {uniq_name = "dead_code"} : (!fir.ref<!fir.char<1,10>>, index) -> (!fir.ref<!fir.char<1,10>>)
51 // NODECL-LABEL: func.func @unreachable_code(
52 // NODECL-NOT: uniq_name = "live_code"
53 // DECL-LABEL: func.func @unreachable_code(
54 // DECL: uniq_name = "live_code"