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carbon-lang/toolchain/check/testdata/if_expr/control_flow.carbon
T
Richard Smith c6d35e1c4a Rename template constant -> concrete constant. (#4939) 
This implements a direction decided in a
[recent
discussion](https://docs.google.com/document/d/1Iut5f2TQBrtBNIduF4vJYOKfw7MbS8xH_J01_Q4e6Rk/edit?resourcekey=0-mc_vh5UzrzXfU4kO-3tOjA&tab=t.0#heading=h.mas1g68xx9ct)
to switch away from "template constant" when naming a constant that
doesn't depend on any generic parameters, because that creates confusion
with template-dependent constant values that depend on a template
parameter.
2025-02-12 21:24:51 +00:00

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// 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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/if_expr/control_flow.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if_expr/control_flow.carbon
fn A() -> i32 { return 1; }
fn B() -> i32 { return 2; }
fn F(b: bool) -> i32 {
return if b then A() else B();
}
// CHECK:STDOUT: --- control_flow.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %A.type: type = fn_type @A [concrete]
// CHECK:STDOUT: %A: %A.type = struct_value () [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [concrete]
// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [concrete]
// CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [concrete]
// CHECK:STDOUT: %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn.70c: <specific function> = specific_function %Convert.bound.ab5, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %B.type: type = fn_type @B [concrete]
// CHECK:STDOUT: %B: %B.type = struct_value () [concrete]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn.787: <specific function> = specific_function %Convert.bound.ef9, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT: %int_2.ef8: %i32 = int_value 2 [concrete]
// CHECK:STDOUT: %Bool.type: type = fn_type @Bool [concrete]
// CHECK:STDOUT: %Bool: %Bool.type = struct_value () [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: .Bool = %Core.Bool
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .A = %A.decl
// CHECK:STDOUT: .B = %B.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %A.decl: %A.type = fn_decl @A [concrete = constants.%A] {
// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT: } {
// 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: %return.param: ref %i32 = out_param runtime_param0
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %B.decl: %B.type = fn_decl @B [concrete = constants.%B] {
// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT: } {
// 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: %return.param: ref %i32 = out_param runtime_param0
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %b.patt: bool = binding_pattern b
// CHECK:STDOUT: %b.param_patt: bool = value_param_pattern %b.patt, runtime_param0
// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param1
// CHECK:STDOUT: } {
// 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: %b.param: bool = value_param runtime_param0
// CHECK:STDOUT: %.loc14_9.1: type = splice_block %.loc14_9.3 [concrete = bool] {
// CHECK:STDOUT: %bool.make_type: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT: %.loc14_9.2: type = value_of_initializer %bool.make_type [concrete = bool]
// CHECK:STDOUT: %.loc14_9.3: type = converted %bool.make_type, %.loc14_9.2 [concrete = bool]
// CHECK:STDOUT: }
// CHECK:STDOUT: %b: bool = bind_name b, %b.param
// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param1
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound.ab5]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %bound_method, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn.70c]
// CHECK:STDOUT: %int.convert_checked: init %i32 = call %specific_fn(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc11_25.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc11_25.2: %i32 = converted %int_1, %.loc11_25.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: return %.loc11_25.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B() -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %impl.elem0: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_2, %impl.elem0 [concrete = constants.%Convert.bound.ef9]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %bound_method, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn.787]
// CHECK:STDOUT: %int.convert_checked: init %i32 = call %specific_fn(%int_2) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc12_25.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc12_25.2: %i32 = converted %int_2, %.loc12_25.1 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: return %.loc12_25.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%b.param_patt: bool) -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %b.ref: bool = name_ref b, %b
// CHECK:STDOUT: if %b.ref br !if.expr.then else br !if.expr.else
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then:
// CHECK:STDOUT: %A.ref: %A.type = name_ref A, file.%A.decl [concrete = constants.%A]
// CHECK:STDOUT: %A.call: init %i32 = call %A.ref()
// CHECK:STDOUT: %.loc15_22.1: %i32 = value_of_initializer %A.call
// CHECK:STDOUT: %.loc15_22.2: %i32 = converted %A.call, %.loc15_22.1
// CHECK:STDOUT: br !if.expr.result(%.loc15_22.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else:
// CHECK:STDOUT: %B.ref: %B.type = name_ref B, file.%B.decl [concrete = constants.%B]
// CHECK:STDOUT: %B.call: init %i32 = call %B.ref()
// CHECK:STDOUT: %.loc15_24.1: %i32 = value_of_initializer %B.call
// CHECK:STDOUT: %.loc15_24.2: %i32 = converted %B.call, %.loc15_24.1
// CHECK:STDOUT: br !if.expr.result(%.loc15_24.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result:
// CHECK:STDOUT: %.loc15_10: %i32 = block_arg !if.expr.result
// CHECK:STDOUT: return %.loc15_10
// CHECK:STDOUT: }
// CHECK:STDOUT:
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