// RUN: cir-opt %s -cir-call-conv-lowering="classification-attr=test_classify" \
// RUN:   | FileCheck %s
// RUN: cir-opt %s -cir-call-conv-lowering="classification-attr=test_classify" \
// RUN:   -cir-to-llvm -o - 2>/dev/null \
// RUN:   | mlir-translate -mlir-to-llvmir --allow-unregistered-dialect \
// RUN:   | FileCheck %s --check-prefix=LLVM

!s8i = !cir.int<s, 8>

#extend_signed_arg = {
  return = { kind = "direct" },
  args   = [ { kind = "extend",
               coerced_type = !cir.int<s, 32>,
               sign_extend = true } ]
}

module attributes {
  dlti.dl_spec = #dlti.dl_spec<
    #dlti.dl_entry<i8, dense<8>: vector<2xi64>>,
    #dlti.dl_entry<i32, dense<32>: vector<2xi64>>>
} {

  cir.func @takes_s8(%arg0: !s8i)
      attributes { test_classify = #extend_signed_arg } {
    cir.return
  }

  // CHECK: cir.func{{.*}} @takes_s8(%arg0: !s8i {llvm.signext})

  cir.func @caller(%arg0: !s8i)
      attributes { test_classify = #extend_signed_arg } {
    cir.call @takes_s8(%arg0) : (!s8i) -> ()
    cir.return
  }

  // CHECK: cir.call @takes_s8(%arg0) : (!s8i {llvm.signext}) -> ()

}

// LLVM: define void @takes_s8(i8 signext %{{.+}})
// LLVM: define void @caller(i8 signext %{{.+}})