mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
David Blaikie
88b3605eac
This avoids duplicate module flags when compiling C++ interop with debug info. Assisted-by: Gemini via Antigravity
83 lines
4.2 KiB
Plaintext
83 lines
4.2 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/pointer/basic.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/pointer/basic.carbon
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fn G(p: i32*) -> i32 {
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return *p;
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}
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fn F() -> i32 {
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var n: i32 = 0;
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return G(&n);
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}
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// CHECK:STDOUT: ; ModuleID = 'basic.carbon'
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// CHECK:STDOUT: source_filename = "basic.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define i32 @_CG.Main(ptr %p) #0 !dbg !4 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.loc14_10.2 = load i32, ptr %p, align 4, !dbg !11
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// CHECK:STDOUT: ret i32 %.loc14_10.2, !dbg !12
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define i32 @_CF.Main() #0 !dbg !13 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %n.var = alloca i32, align 4, !dbg !16
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !16
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// CHECK:STDOUT: store i32 0, ptr %n.var, align 4, !dbg !16
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// CHECK:STDOUT: %G.call = call i32 @_CG.Main(ptr %n.var), !dbg !17
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// CHECK:STDOUT: call void @"_COp.5e27612b9dd31a14:core.Destroy.Core"(ptr %n.var), !dbg !16
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// CHECK:STDOUT: ret i32 %G.call, !dbg !18
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_COp.5e27612b9dd31a14:core.Destroy.Core"(ptr %self) #0 !dbg !19 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !24
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nounwind }
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// CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.dbg.cu = !{!0}
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// CHECK:STDOUT: !llvm.module.flags = !{!2, !3}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !1 = !DIFile(filename: "basic.carbon", directory: "")
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// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !1, line: 13, type: !5, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !9)
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// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
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// CHECK:STDOUT: !6 = !{!7, !8}
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// CHECK:STDOUT: !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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// CHECK:STDOUT: !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
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// CHECK:STDOUT: !9 = !{!10}
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// CHECK:STDOUT: !10 = !DILocalVariable(arg: 1, scope: !4, type: !8)
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// CHECK:STDOUT: !11 = !DILocation(line: 14, column: 10, scope: !4)
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// CHECK:STDOUT: !12 = !DILocation(line: 14, column: 3, scope: !4)
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// CHECK:STDOUT: !13 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !1, line: 17, type: !14, spFlags: DISPFlagDefinition, unit: !0)
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// CHECK:STDOUT: !14 = !DISubroutineType(types: !15)
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// CHECK:STDOUT: !15 = !{!7}
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// CHECK:STDOUT: !16 = !DILocation(line: 18, column: 3, scope: !13)
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// CHECK:STDOUT: !17 = !DILocation(line: 19, column: 10, scope: !13)
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// CHECK:STDOUT: !18 = !DILocation(line: 19, column: 3, scope: !13)
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// CHECK:STDOUT: !19 = distinct !DISubprogram(name: "Op", linkageName: "_COp.5e27612b9dd31a14:core.Destroy.Core", scope: null, file: !1, line: 18, type: !20, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !22)
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// CHECK:STDOUT: !20 = !DISubroutineType(types: !21)
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// CHECK:STDOUT: !21 = !{null, !7}
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// CHECK:STDOUT: !22 = !{!23}
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// CHECK:STDOUT: !23 = !DILocalVariable(arg: 1, scope: !19, type: !7)
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// CHECK:STDOUT: !24 = !DILocation(line: 18, column: 3, scope: !19)
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