// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/primitives.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/call/fail_return_type_mismatch.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/call/fail_return_type_mismatch.carbon

fn Foo() -> f64 { return 1.0; }

fn Run() {
  // CHECK:STDERR: fail_return_type_mismatch.carbon:[[@LINE+7]]:3: error: cannot implicitly convert expression of type `f64` to `i32` [ConversionFailure]
  // CHECK:STDERR:   var x: i32 = Foo();
  // CHECK:STDERR:   ^~~~~~~~~~
  // CHECK:STDERR: fail_return_type_mismatch.carbon:[[@LINE+4]]:3: note: type `f64` does not implement interface `Core.ImplicitAs(i32)` [MissingImplInMemberAccessNote]
  // CHECK:STDERR:   var x: i32 = Foo();
  // CHECK:STDERR:   ^~~~~~~~~~
  // CHECK:STDERR:
  var x: i32 = Foo();
}

// CHECK:STDOUT: --- fail_return_type_mismatch.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %int_64: Core.IntLiteral = int_value 64 [concrete]
// CHECK:STDOUT:   %Float.type: type = fn_type @Float [concrete]
// CHECK:STDOUT:   %Float: %Float.type = struct_value () [concrete]
// CHECK:STDOUT:   %pattern_type.3de: type = pattern_type f64 [concrete]
// CHECK:STDOUT:   %Foo.type: type = fn_type @Foo [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %Foo: %Foo.type = struct_value () [concrete]
// CHECK:STDOUT:   %float: f64 = float_literal 1 [concrete]
// CHECK:STDOUT:   %Run.type: type = fn_type @Run [concrete]
// CHECK:STDOUT:   %Run: %Run.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.type.a17: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%i32) [concrete]
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.e6a: %T.as.Destroy.impl.Op.type.a17 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.235: type = ptr_type %i32 [concrete]
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %T.as.Destroy.impl.Op.e6a, @T.as.Destroy.impl.Op(%i32) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Float = %Core.Float
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     .Destroy = %Core.Destroy
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Float: %Float.type = import_ref Core//prelude/parts/float, Float, loaded [concrete = constants.%Float]
// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Foo = %Foo.decl
// CHECK:STDOUT:     .Run = %Run.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Foo.decl: %Foo.type = fn_decl @Foo [concrete = constants.%Foo] {
// CHECK:STDOUT:     %return.patt: %pattern_type.3de = return_slot_pattern [concrete]
// CHECK:STDOUT:     %return.param_patt: %pattern_type.3de = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %int_64: Core.IntLiteral = int_value 64 [concrete = constants.%int_64]
// CHECK:STDOUT:     %Float.call: init type = call constants.%Float(%int_64) [concrete = f64]
// CHECK:STDOUT:     %.loc15_13.1: type = value_of_initializer %Float.call [concrete = f64]
// CHECK:STDOUT:     %.loc15_13.2: type = converted %Float.call, %.loc15_13.1 [concrete = f64]
// CHECK:STDOUT:     %return.param: ref f64 = out_param call_param0
// CHECK:STDOUT:     %return: ref f64 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Run.decl: %Run.type = fn_decl @Run [concrete = constants.%Run] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Foo() -> f64 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %float: f64 = float_literal 1 [concrete = constants.%float]
// CHECK:STDOUT:   return %float
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %x.patt: %pattern_type.7ce = binding_pattern x [concrete]
// CHECK:STDOUT:     %x.var_patt: %pattern_type.7ce = var_pattern %x.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %x.var: ref %i32 = var %x.var_patt
// CHECK:STDOUT:   %Foo.ref: %Foo.type = name_ref Foo, file.%Foo.decl [concrete = constants.%Foo]
// CHECK:STDOUT:   %Foo.call: init f64 = call %Foo.ref()
// CHECK:STDOUT:   %.loc25_3: %i32 = converted %Foo.call, <error> [concrete = <error>]
// CHECK:STDOUT:   assign %x.var, <error>
// CHECK:STDOUT:   %.loc25_10: type = splice_block %i32 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %x: ref %i32 = bind_name x, %x.var
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.bound: <bound method> = bound_method %x.var, constants.%T.as.Destroy.impl.Op.e6a
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function constants.%T.as.Destroy.impl.Op.e6a, @T.as.Destroy.impl.Op(constants.%i32) [concrete = constants.%T.as.Destroy.impl.Op.specific_fn]
// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %x.var, %T.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT:   %addr: %ptr.235 = addr_of %x.var
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%addr)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
