mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-28 20:24:54 +01:00
Jon Ross-Perkins
7ccc1e0144
Change impls from `<interface>.impl` to `<self>.as.<interface>.impl`, and *member* functions to `<parent scope>.<fn>` (non-member functions exclude their parent scope). Stop special-casing builtin functions, given the new naming scheme. The purpose of this is to make it clearer when a member function is being accessed and, if so, which member function. In particular, we often access interface `Op` functions. The builtin function special-casing was intended to help with that, but we still have lots of `Op` functions. This particular approach should make the interactions clearer. This changes up queueing of block IDs a little because, in particular, we need to process bodies of entities only after constants finish processing. But, it should also result in less memory usage during processing because it means we have less on the insts stack at any given time, since we track a block rather than all instructions contained by the block.
85 lines
3.7 KiB
Plaintext
85 lines
3.7 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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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
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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/lower/testdata/function/generic/call_impl_function.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/lower/testdata/function/generic/call_impl_function.carbon
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interface SomeInterface(T:! type) {
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fn F(x: T) -> T;
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}
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class SomeParam {}
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class ImplsSomeInterface {}
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impl ImplsSomeInterface as SomeInterface(i32) {
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fn F(x: i32) -> i32 {
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return -x;
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}
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}
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// TODO: This asserts with "Mangled name collision".
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// impl ImplsSomeInterface as SomeInterface(SomeParam) {
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// fn F(x: SomeParam) -> SomeParam {
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// return {};
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// }
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// }
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fn CallGenericMethod(T:! type, U:! SomeInterface(T), x: T) -> T {
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return U.F(x);
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}
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fn G() {
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CallGenericMethod(i32, ImplsSomeInterface, 10);
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// TODO: Fix above
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// CallGenericMethod(SomeParam, ImplsSomeInterface, {});
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}
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// CHECK:STDOUT: ; ModuleID = 'call_impl_function.carbon'
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// CHECK:STDOUT: source_filename = "call_impl_function.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i32 @"_CF.ImplsSomeInterface.Main:SomeInterface.Main"(i32 %x) !dbg !4 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %Int.as.Negate.impl.Op.call = sub i32 0, %x, !dbg !7
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// CHECK:STDOUT: ret i32 %Int.as.Negate.impl.Op.call, !dbg !8
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @_CG.Main() !dbg !9 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %CallGenericMethod.call = call i32 @_CCallGenericMethod.Main.b330a91dfda257ee(i32 10), !dbg !10
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// CHECK:STDOUT: ret void, !dbg !11
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define linkonce_odr i32 @_CCallGenericMethod.Main.b330a91dfda257ee(i32 %x) !dbg !12 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.loc36_15 = call i32 @"_CF.ImplsSomeInterface.Main:SomeInterface.Main"(i32 %x), !dbg !13
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// CHECK:STDOUT: ret i32 %.loc36_15, !dbg !14
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !3 = !DIFile(filename: "call_impl_function.carbon", directory: "")
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// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.ImplsSomeInterface.Main:SomeInterface.Main", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
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// CHECK:STDOUT: !6 = !{}
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// CHECK:STDOUT: !7 = !DILocation(line: 23, column: 12, scope: !4)
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// CHECK:STDOUT: !8 = !DILocation(line: 23, column: 5, scope: !4)
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// CHECK:STDOUT: !9 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 39, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !10 = !DILocation(line: 40, column: 3, scope: !9)
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// CHECK:STDOUT: !11 = !DILocation(line: 39, column: 1, scope: !9)
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// CHECK:STDOUT: !12 = distinct !DISubprogram(name: "CallGenericMethod", linkageName: "_CCallGenericMethod.Main.b330a91dfda257ee", scope: null, file: !3, line: 35, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !13 = !DILocation(line: 36, column: 10, scope: !12)
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// CHECK:STDOUT: !14 = !DILocation(line: 36, column: 3, scope: !12)
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