llvm-project/flang/test/Fir/copy-codegen.fir
jeanPerier 416b7dfaa0
[flang] use DataLayout instead of GEP to compute element size (#140235)
Now that the datalayout is part of codegen, use that to generate type
size constants in codegen instead of generating GEP.
2025-05-19 13:59:09 +02:00

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// Test fir.copy codegen.
// RUN: fir-opt --fir-to-llvm-ir %s -o - | FileCheck %s
!t=!fir.type<sometype{i:!fir.array<9xi32>}>
module attributes {llvm.data_layout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"} {
func.func @test_copy_1(%arg0: !fir.ref<!t>, %arg1: !fir.ref<!t>) {
fir.copy %arg0 to %arg1 no_overlap : !fir.ref<!t>, !fir.ref<!t>
return
}
// CHECK-LABEL: llvm.func @test_copy_1(
// CHECK-SAME: %[[VAL_0:[0-9]+|[a-zA-Z$._-][a-zA-Z0-9$._-]*]]: !llvm.ptr,
// CHECK-SAME: %[[VAL_1:[0-9]+|[a-zA-Z$._-][a-zA-Z0-9$._-]*]]: !llvm.ptr) {
// CHECK: %[[VAL_2:.*]] = llvm.mlir.constant(36 : i64) : i64
// CHECK: "llvm.intr.memcpy"(%[[VAL_1]], %[[VAL_0]], %[[VAL_2]]) <{isVolatile = false}> : (!llvm.ptr, !llvm.ptr, i64) -> ()
// CHECK: llvm.return
// CHECK: }
func.func @test_copy_2(%arg0: !fir.ref<!t>, %arg1: !fir.ref<!t>) {
fir.copy %arg0 to %arg1 : !fir.ref<!t>, !fir.ref<!t>
return
}
// CHECK-LABEL: llvm.func @test_copy_2(
// CHECK-SAME: %[[VAL_0:[0-9]+|[a-zA-Z$._-][a-zA-Z0-9$._-]*]]: !llvm.ptr,
// CHECK-SAME: %[[VAL_1:[0-9]+|[a-zA-Z$._-][a-zA-Z0-9$._-]*]]: !llvm.ptr) {
// CHECK: %[[VAL_2:.*]] = llvm.mlir.constant(36 : i64) : i64
// CHECK: "llvm.intr.memmove"(%[[VAL_1]], %[[VAL_0]], %[[VAL_2]]) <{isVolatile = false}> : (!llvm.ptr, !llvm.ptr, i64) -> ()
// CHECK: llvm.return
// CHECK: }
}