// An end-to-end test to ensure local variables have debug info.  This
// test only verifies that the variables show up in the debug info at
// all. There are other tests testing liveness and representation.

// RUN: %gyb %s -o %t.swift
// RUN: %target-swift-frontend %t.swift -g -emit-ir -o - | %FileCheck %t.swift
// RUN: %target-swift-frontend %t.swift -g -c -o %t.o
// RUN: %llvm-dwarfdump %t.o \
// RUN:   | %FileCheck %t.swift --check-prefix=DWARF
// RUN: %target-swift-frontend %t.swift -O -g -emit-ir -o - \
// RUN:   | %FileCheck %t.swift --check-prefix=OPTZNS

// OPTZNS-NOT: alloca{{.*}}.addr

public class C {
  let member : Int
  init(_ i : Int) { member = i }
  func isZero() -> Bool { return member == 0 }
}

public struct S {
  let i : Int32 = -1
  let j : Int32 = 2
}

func use<T>(_ x: T) {}
func variable_use<T>(_ x: inout T) {}

% def derive_name((type, val)):
%   return (type.replace('<', '_').replace(' ', '_').replace(',', '_')
%               .replace('?', '_').replace('>', '_')
%               .replace('[', '_').replace(']', '_'), type, val)
% for name, type, val in map(derive_name,
%   [("UInt64", "64"), ("UInt32", "32"), ("Int64", "64"), ("Int32", "32"),
%    ("Int", "42"), ("UInt", "42"), ("C", "C(42)"), ("String", '"string"'),
%    ("Dictionary<UInt64, String>", '[1:"entry"]'),
%    ("Float", "2.71"), ("Double", "3.14"), ("[UInt64]", "[1, 2, 3]"),
%    ("S", "S()")]):

public func constant_${name}() -> ${type} {
  let v : ${type} = ${val}
  // CHECK: !DILocalVariable(name: "v",{{.*}} line: [[@LINE-1]]
  // DWARF: DW_TAG_subprogram
  // DWARF: DW_AT_name {{.*}}constant_${name}
  // DWARF-NOT: DW_TAG_subprogram
  // DWARF: DW_TAG_variable
  // DWARF-NOT: DW_TAG
  // DWARF: {{(DW_AT_location)|(DW_AT_const_value)}}
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name ("v")
  return v
}

public func constvar_${name}() {
  var v : ${type} = ${val}
  // CHECK: !DILocalVariable(name: "v",{{.*}} line: [[@LINE-1]]
  // DWARF: DW_TAG_subprogram
  // DWARF: DW_AT_name {{.*}}constvar_${name}
  // DWARF-NOT: DW_TAG_subprogram
  // DWARF: DW_TAG_variable
  // DWARF-NOT: DW_TAG
  // DWARF: {{(DW_AT_location)|(DW_AT_const_value)}}
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name ("v")
  variable_use(&v)
}

public func let_${name}() {
  let v : ${type} = constant_${name}()
  // CHECK: !DILocalVariable(name: "v",{{.*}} line: [[@LINE-1]]
  // DWARF: DW_TAG_subprogram
  // DWARF: DW_AT_name {{.*}}let_${name}
  // DWARF-NOT: DW_TAG_subprogram
  // DWARF: DW_TAG_variable
  // DWARF-NOT: DW_TAG
  // DWARF: {{(DW_AT_location)|(DW_AT_const_value)}}
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name ("v")
  use(v)
}

public func optional_${name}() -> ${type}? {
  return constant_${name}();
}

public func guard_let_${name}() {
  let opt : ${type}? = optional_${name}()
  // CHECK: !DILocalVariable(name: "opt",{{.*}} line: [[@LINE-1]]
  // DWARF: DW_TAG_subprogram
  // DWARF: DW_AT_name {{.*}}guard_let_${name}
  // DWARF-NOT: DW_TAG_subprogram
  // DWARF: DW_TAG_variable
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_location
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name
  // DWARF-SAME: "{{(opt)|(val)}}"
  guard let val = opt else {
    use(opt)
    fatalError()
  }
  // DWARF-NOT: DW_TAG
  // DWARF: DW_TAG_variable
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_location
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name
  // DWARF-SAME: "{{(opt)|(val)}}"
  use(val)
}

public func var_${name}() {
  var v : ${type} = constant_${name}()
  // CHECK: !DILocalVariable(name: "v",{{.*}} line: [[@LINE-1]]
  // DWARF: DW_TAG_subprogram
  // DWARF: DW_AT_name {{.*}}var_${name}
  // DWARF-NOT: DW_TAG_subprogram
  // DWARF: DW_TAG_variable
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_location
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name {{.*}}"v"
  variable_use(&v)
}

public func arg_${name}(_ v: ${type}) {
  // CHECK: !DILocalVariable(name: "v",{{.*}} line: [[@LINE-1]]
  // DWARF: DW_TAG_subprogram
  // DWARF: DW_AT_name {{.*}}arg_${name}
  // DWARF-NOT: DW_TAG_subprogram
  // DWARF: DW_TAG_formal_parameter
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_location
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name {{.*}}"v"
  use(v)
}

public func arg_inout_${name}(_ v: inout ${type}) {
  // CHECK: !DILocalVariable(name: "v",{{.*}} line: [[@LINE-1]]
  // DWARF: DW_TAG_subprogram
  // DWARF: DW_AT_name {{.*}}arg_inout_${name}
  // DWARF-NOT: DW_TAG_subprogram
  // DWARF: DW_TAG_formal_parameter
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_location
  // DWARF-NOT: DW_TAG
  // DWARF: DW_AT_name {{.*}}"v"
  variable_use(&v)
}