mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-28 18:04:54 +01:00
Richard SmithandDana Jansens
19182f08aa
Use it in the instruction namer to make instruction names more stable across unrelated changes to the toolchain or the prelude. --------- Co-authored-by: Dana Jansens <danakj@orodu.net>
266 lines
15 KiB
Plaintext
266 lines
15 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/if_expr/constant_condition.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if_expr/constant_condition.carbon
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fn A() -> i32 { return 1; }
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fn B() -> i32 { return 2; }
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fn F() -> i32 {
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return if true then A() else B();
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}
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fn G() -> i32 {
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return if false then A() else B();
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}
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fn Constant() -> i32 {
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var v: if true then i32 else i32* = 1;
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var w: if false then i32 else i32* = &v;
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return *w;
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}
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fn PartiallyConstant(t: type) -> i32 {
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var v: if true then i32 else t = 1;
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var w: if false then t else i32* = &v;
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return *w;
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}
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// CHECK:STDOUT: --- constant_condition.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
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// CHECK:STDOUT: %A.type: type = fn_type @A [template]
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// CHECK:STDOUT: %A: %A.type = struct_value () [template]
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// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [template]
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// CHECK:STDOUT: %Convert.type.cd1: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
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// CHECK:STDOUT: %impl_witness.5b0: <witness> = impl_witness (imports.%import_ref.723), @impl.1(%int_32) [template]
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// CHECK:STDOUT: %Convert.type.466: type = fn_type @Convert.2, @impl.1(%int_32) [template]
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// CHECK:STDOUT: %Convert.925: %Convert.type.466 = struct_value () [template]
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// CHECK:STDOUT: %Convert.bound.afd: <bound method> = bound_method %int_1.5b8, %Convert.925 [template]
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// CHECK:STDOUT: %Convert.specific_fn.b73: <specific function> = specific_function %Convert.bound.afd, @Convert.2(%int_32) [template]
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// CHECK:STDOUT: %int_1.c60: %i32 = int_value 1 [template]
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// CHECK:STDOUT: %B.type: type = fn_type @B [template]
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// CHECK:STDOUT: %B: %B.type = struct_value () [template]
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// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [template]
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// CHECK:STDOUT: %Convert.bound.f0b: <bound method> = bound_method %int_2.ecc, %Convert.925 [template]
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// CHECK:STDOUT: %Convert.specific_fn.20e: <specific function> = specific_function %Convert.bound.f0b, @Convert.2(%int_32) [template]
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// CHECK:STDOUT: %int_2.166: %i32 = int_value 2 [template]
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// CHECK:STDOUT: %F.type: type = fn_type @F [template]
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// CHECK:STDOUT: %F: %F.type = struct_value () [template]
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// CHECK:STDOUT: %true: bool = bool_literal true [template]
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// CHECK:STDOUT: %G.type: type = fn_type @G [template]
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// CHECK:STDOUT: %G: %G.type = struct_value () [template]
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// CHECK:STDOUT: %false: bool = bool_literal false [template]
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// CHECK:STDOUT: %Constant.type: type = fn_type @Constant [template]
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// CHECK:STDOUT: %Constant: %Constant.type = struct_value () [template]
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// CHECK:STDOUT: %ptr: type = ptr_type %i32 [template]
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// CHECK:STDOUT: %PartiallyConstant.type: type = fn_type @PartiallyConstant [template]
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// CHECK:STDOUT: %PartiallyConstant: %PartiallyConstant.type = struct_value () [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: .Int = %import_ref.187
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// CHECK:STDOUT: .ImplicitAs = %import_ref.a69
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .A = %A.decl
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// CHECK:STDOUT: .B = %B.decl
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// CHECK:STDOUT: .F = %F.decl
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// CHECK:STDOUT: .G = %G.decl
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// CHECK:STDOUT: .Constant = %Constant.decl
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// CHECK:STDOUT: .PartiallyConstant = %PartiallyConstant.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %A.decl: %A.type = fn_decl @A [template = constants.%A] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %B.decl: %B.type = fn_decl @B [template = constants.%B] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Constant.decl: %Constant.type = fn_decl @Constant [template = constants.%Constant] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %PartiallyConstant.decl: %PartiallyConstant.type = fn_decl @PartiallyConstant [template = constants.%PartiallyConstant] {
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// CHECK:STDOUT: %t.patt: type = binding_pattern t
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// CHECK:STDOUT: %t.param_patt: type = value_param_pattern %t.patt, runtime_param0
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param1
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %t.param: type = value_param runtime_param0
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// CHECK:STDOUT: %t: type = bind_name t, %t.param
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param1
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @A() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
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// CHECK:STDOUT: %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1, %impl.elem0 [template = constants.%Convert.bound.afd]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.b73]
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// CHECK:STDOUT: %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_1) [template = constants.%int_1.c60]
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// CHECK:STDOUT: %.loc11_25.1: %i32 = value_of_initializer %int.convert_checked [template = constants.%int_1.c60]
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// CHECK:STDOUT: %.loc11_25.2: %i32 = converted %int_1, %.loc11_25.1 [template = constants.%int_1.c60]
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// CHECK:STDOUT: return %.loc11_25.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @B() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [template = constants.%int_2.ecc]
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// CHECK:STDOUT: %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_2, %impl.elem0 [template = constants.%Convert.bound.f0b]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.20e]
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// CHECK:STDOUT: %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_2) [template = constants.%int_2.166]
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// CHECK:STDOUT: %.loc12_25.1: %i32 = value_of_initializer %int.convert_checked [template = constants.%int_2.166]
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// CHECK:STDOUT: %.loc12_25.2: %i32 = converted %int_2, %.loc12_25.1 [template = constants.%int_2.166]
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// CHECK:STDOUT: return %.loc12_25.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %true: bool = bool_literal true [template = constants.%true]
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// CHECK:STDOUT: if %true br !if.expr.then else br !if.expr.else
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.then:
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// CHECK:STDOUT: %A.ref: %A.type = name_ref A, file.%A.decl [template = constants.%A]
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// CHECK:STDOUT: %A.call: init %i32 = call %A.ref()
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// CHECK:STDOUT: %.loc15_25.1: %i32 = value_of_initializer %A.call
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// CHECK:STDOUT: %.loc15_25.2: %i32 = converted %A.call, %.loc15_25.1
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// CHECK:STDOUT: br !if.expr.result(%.loc15_25.2)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.else:
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// CHECK:STDOUT: %B.ref: %B.type = name_ref B, file.%B.decl [template = constants.%B]
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// CHECK:STDOUT: %B.call: init %i32 = call %B.ref()
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// CHECK:STDOUT: %.loc15_27.1: %i32 = value_of_initializer %B.call
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// CHECK:STDOUT: %.loc15_27.2: %i32 = converted %B.call, %.loc15_27.1
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// CHECK:STDOUT: br !if.expr.result(%.loc15_27.2)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.result:
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// CHECK:STDOUT: %.loc15_10: %i32 = block_arg !if.expr.result
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// CHECK:STDOUT: return %.loc15_10
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @G() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %false: bool = bool_literal false [template = constants.%false]
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// CHECK:STDOUT: if %false br !if.expr.then else br !if.expr.else
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.then:
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// CHECK:STDOUT: %A.ref: %A.type = name_ref A, file.%A.decl [template = constants.%A]
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// CHECK:STDOUT: %A.call: init %i32 = call %A.ref()
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// CHECK:STDOUT: %.loc19_26.1: %i32 = value_of_initializer %A.call
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// CHECK:STDOUT: %.loc19_26.2: %i32 = converted %A.call, %.loc19_26.1
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// CHECK:STDOUT: br !if.expr.result(%.loc19_26.2)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.else:
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// CHECK:STDOUT: %B.ref: %B.type = name_ref B, file.%B.decl [template = constants.%B]
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// CHECK:STDOUT: %B.call: init %i32 = call %B.ref()
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// CHECK:STDOUT: %.loc19_28.1: %i32 = value_of_initializer %B.call
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// CHECK:STDOUT: %.loc19_28.2: %i32 = converted %B.call, %.loc19_28.1
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// CHECK:STDOUT: br !if.expr.result(%.loc19_28.2)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.result:
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// CHECK:STDOUT: %.loc19_10: %i32 = block_arg !if.expr.result
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// CHECK:STDOUT: return %.loc19_10
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Constant() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %v.var: ref %i32 = var v
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// CHECK:STDOUT: %v: ref %i32 = bind_name v, %v.var
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// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
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// CHECK:STDOUT: %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1, %impl.elem0 [template = constants.%Convert.bound.afd]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.b73]
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// CHECK:STDOUT: %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_1) [template = constants.%int_1.c60]
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// CHECK:STDOUT: %.loc23: init %i32 = converted %int_1, %int.convert_checked [template = constants.%int_1.c60]
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// CHECK:STDOUT: assign %v.var, %.loc23
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// CHECK:STDOUT: %w.var: ref %ptr = var w
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// CHECK:STDOUT: %w: ref %ptr = bind_name w, %w.var
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// CHECK:STDOUT: %v.ref: ref %i32 = name_ref v, %v
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// CHECK:STDOUT: %addr: %ptr = addr_of %v.ref
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// CHECK:STDOUT: assign %w.var, %addr
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// CHECK:STDOUT: %w.ref: ref %ptr = name_ref w, %w
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// CHECK:STDOUT: %.loc25_11: %ptr = bind_value %w.ref
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// CHECK:STDOUT: %.loc25_10.1: ref %i32 = deref %.loc25_11
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// CHECK:STDOUT: %.loc25_10.2: %i32 = bind_value %.loc25_10.1
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// CHECK:STDOUT: return %.loc25_10.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @PartiallyConstant(%t.param_patt: type) -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %v.var: ref %i32 = var v
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// CHECK:STDOUT: %v: ref %i32 = bind_name v, %v.var
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// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
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// CHECK:STDOUT: %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1, %impl.elem0 [template = constants.%Convert.bound.afd]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.b73]
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// CHECK:STDOUT: %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_1) [template = constants.%int_1.c60]
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// CHECK:STDOUT: %.loc29: init %i32 = converted %int_1, %int.convert_checked [template = constants.%int_1.c60]
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// CHECK:STDOUT: assign %v.var, %.loc29
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// CHECK:STDOUT: %w.var: ref %ptr = var w
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// CHECK:STDOUT: %w: ref %ptr = bind_name w, %w.var
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// CHECK:STDOUT: %v.ref: ref %i32 = name_ref v, %v
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// CHECK:STDOUT: %addr: %ptr = addr_of %v.ref
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// CHECK:STDOUT: assign %w.var, %addr
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// CHECK:STDOUT: %w.ref: ref %ptr = name_ref w, %w
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// CHECK:STDOUT: %.loc31_11: %ptr = bind_value %w.ref
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// CHECK:STDOUT: %.loc31_10.1: ref %i32 = deref %.loc31_11
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// CHECK:STDOUT: %.loc31_10.2: %i32 = bind_value %.loc31_10.1
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// CHECK:STDOUT: return %.loc31_10.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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