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a548eff0bb
This seems to be enough to avoid naming collisions for functions in any of the current test cases (verified by asserting that the name of the `llvm::Function` matches the name passed to create it - not triggering LLVM's numbering that happens when names collide) It currently implements mangling for namespace scopes, class scopes, and impls. Nothing generic is mangled yet - haven't looked at how that works, though evidently it's not covered by existing testing, I guess. Follow-up change will document the current mangling algorithm in `toolchain/docs/lower.md` --------- Co-authored-by: Jon Ross-Perkins <jperkins@google.com> Co-authored-by: Carbon Infra Bot <carbon-external-infra@google.com>
47 lines
2.6 KiB
Plaintext
47 lines
2.6 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/lower/testdata/builtins/method_vs_nonmethod.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/builtins/method_vs_nonmethod.carbon
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fn AddNonmethod(a: i32, b: i32) -> i32 = "int.sadd";
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fn AddMethod[self: i32](b: i32) -> i32 = "int.sadd";
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fn TestAddNonmethod(a: i32, b: i32) -> i32 { return AddNonmethod(a, b); }
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fn TestAddMethod(a: i32, b: i32) -> i32 { return a.(AddMethod)(b); }
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// CHECK:STDOUT: ; ModuleID = 'method_vs_nonmethod.carbon'
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// CHECK:STDOUT: source_filename = "method_vs_nonmethod.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i32 @_CTestAddNonmethod.Main(i32 %a, i32 %b) !dbg !4 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %int.sadd = add i32 %a, %b, !dbg !7
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// CHECK:STDOUT: ret i32 %int.sadd, !dbg !8
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define i32 @_CTestAddMethod.Main(i32 %a, i32 %b) !dbg !9 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %int.sadd = add i32 %a, %b, !dbg !10
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// CHECK:STDOUT: ret i32 %int.sadd, !dbg !11
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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: "method_vs_nonmethod.carbon", directory: "")
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// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "TestAddNonmethod", linkageName: "_CTestAddNonmethod.Main", scope: null, file: !3, line: 14, 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: 14, column: 53, scope: !4)
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// CHECK:STDOUT: !8 = !DILocation(line: 14, column: 46, scope: !4)
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// CHECK:STDOUT: !9 = distinct !DISubprogram(name: "TestAddMethod", linkageName: "_CTestAddMethod.Main", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !10 = !DILocation(line: 15, column: 50, scope: !9)
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// CHECK:STDOUT: !11 = !DILocation(line: 15, column: 43, scope: !9)
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