precompile and cache Carbon prelude (#7432)

Refactors the link driver to automatically compile and cache the carbon
prelude for use in linking.

Implements a `carbon_library` rule for compiling the Core library
dependencies in the examples.
This commit is contained in:
Lucile Rose Nihlen
2026-07-16 18:02:14 +00:00
committed by GitHub
parent 90f6654b48
commit 625f2ca629
63 changed files with 1454 additions and 634 deletions
@@ -2,6 +2,7 @@
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// EXTRA-ARGS: --include-carbon-core
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
//
// AUTOUPDATE
@@ -64,8 +65,8 @@ fn Run() {
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @main() #0 !dbg !12 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %G.call.loc40 = call i32 @_CG.Main.c81631f865470482(i32 0), !dbg !16
// CHECK:STDOUT: %G.call.loc41 = call i32 @_CG.Main.0b241ec84a68877b(i32 0), !dbg !17
// CHECK:STDOUT: %G.call.loc41 = call i32 @_CG.Main.c81631f865470482(i32 0), !dbg !16
// CHECK:STDOUT: %G.call.loc42 = call i32 @_CG.Main.0b241ec84a68877b(i32 0), !dbg !17
// CHECK:STDOUT: ret i32 0, !dbg !18
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -115,41 +116,41 @@ fn Run() {
// CHECK:STDOUT: !1 = !DIFile(filename: "call_recursive_impl.carbon", directory: "")
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.X.Main:I.Main", scope: null, file: !1, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.X.Main:I.Main", scope: null, file: !1, line: 21, type: !5, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{null}
// CHECK:STDOUT: !7 = !DILocation(line: 20, column: 12, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 20, column: 3, scope: !4)
// CHECK:STDOUT: !9 = distinct !DISubprogram(name: "F", linkageName: "_CF.Y.Main:I.Main", scope: null, file: !1, line: 24, type: !5, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !10 = !DILocation(line: 24, column: 12, scope: !9)
// CHECK:STDOUT: !11 = !DILocation(line: 24, column: 3, scope: !9)
// CHECK:STDOUT: !12 = distinct !DISubprogram(name: "Run", linkageName: "main", scope: null, file: !1, line: 39, type: !13, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !7 = !DILocation(line: 21, column: 12, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 21, column: 3, scope: !4)
// CHECK:STDOUT: !9 = distinct !DISubprogram(name: "F", linkageName: "_CF.Y.Main:I.Main", scope: null, file: !1, line: 25, type: !5, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !10 = !DILocation(line: 25, column: 12, scope: !9)
// CHECK:STDOUT: !11 = !DILocation(line: 25, column: 3, scope: !9)
// CHECK:STDOUT: !12 = distinct !DISubprogram(name: "Run", linkageName: "main", scope: null, file: !1, line: 40, type: !13, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !13 = !DISubroutineType(types: !14)
// CHECK:STDOUT: !14 = !{!15}
// CHECK:STDOUT: !15 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !16 = !DILocation(line: 40, column: 3, scope: !12)
// CHECK:STDOUT: !17 = !DILocation(line: 41, column: 3, scope: !12)
// CHECK:STDOUT: !18 = !DILocation(line: 39, column: 1, scope: !12)
// CHECK:STDOUT: !19 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.c81631f865470482", scope: null, file: !1, line: 30, type: !20, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !22)
// CHECK:STDOUT: !16 = !DILocation(line: 41, column: 3, scope: !12)
// CHECK:STDOUT: !17 = !DILocation(line: 42, column: 3, scope: !12)
// CHECK:STDOUT: !18 = !DILocation(line: 40, column: 1, scope: !12)
// CHECK:STDOUT: !19 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.c81631f865470482", scope: null, file: !1, line: 31, type: !20, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !22)
// CHECK:STDOUT: !20 = !DISubroutineType(types: !21)
// CHECK:STDOUT: !21 = !{!15, !15}
// CHECK:STDOUT: !22 = !{!23}
// CHECK:STDOUT: !23 = !DILocalVariable(arg: 1, scope: !19, type: !15)
// CHECK:STDOUT: !24 = !DILocation(line: 31, column: 3, scope: !19)
// CHECK:STDOUT: !25 = !DILocation(line: 33, column: 7, scope: !19)
// CHECK:STDOUT: !26 = !DILocation(line: 33, column: 6, scope: !19)
// CHECK:STDOUT: !27 = !DILocation(line: 34, column: 5, scope: !19)
// CHECK:STDOUT: !28 = !DILocation(line: 36, column: 15, scope: !19)
// CHECK:STDOUT: !29 = !DILocation(line: 36, column: 10, scope: !19)
// CHECK:STDOUT: !30 = !DILocation(line: 36, column: 3, scope: !19)
// CHECK:STDOUT: !31 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.0b241ec84a68877b", scope: null, file: !1, line: 30, type: !20, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !32)
// CHECK:STDOUT: !24 = !DILocation(line: 32, column: 3, scope: !19)
// CHECK:STDOUT: !25 = !DILocation(line: 34, column: 7, scope: !19)
// CHECK:STDOUT: !26 = !DILocation(line: 34, column: 6, scope: !19)
// CHECK:STDOUT: !27 = !DILocation(line: 35, column: 5, scope: !19)
// CHECK:STDOUT: !28 = !DILocation(line: 37, column: 15, scope: !19)
// CHECK:STDOUT: !29 = !DILocation(line: 37, column: 10, scope: !19)
// CHECK:STDOUT: !30 = !DILocation(line: 37, column: 3, scope: !19)
// CHECK:STDOUT: !31 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.0b241ec84a68877b", scope: null, file: !1, line: 31, type: !20, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !32)
// CHECK:STDOUT: !32 = !{!33}
// CHECK:STDOUT: !33 = !DILocalVariable(arg: 1, scope: !31, type: !15)
// CHECK:STDOUT: !34 = !DILocation(line: 31, column: 3, scope: !31)
// CHECK:STDOUT: !35 = !DILocation(line: 33, column: 7, scope: !31)
// CHECK:STDOUT: !36 = !DILocation(line: 33, column: 6, scope: !31)
// CHECK:STDOUT: !37 = !DILocation(line: 34, column: 5, scope: !31)
// CHECK:STDOUT: !38 = !DILocation(line: 36, column: 15, scope: !31)
// CHECK:STDOUT: !39 = !DILocation(line: 36, column: 10, scope: !31)
// CHECK:STDOUT: !40 = !DILocation(line: 36, column: 3, scope: !31)
// CHECK:STDOUT: !34 = !DILocation(line: 32, column: 3, scope: !31)
// CHECK:STDOUT: !35 = !DILocation(line: 34, column: 7, scope: !31)
// CHECK:STDOUT: !36 = !DILocation(line: 34, column: 6, scope: !31)
// CHECK:STDOUT: !37 = !DILocation(line: 35, column: 5, scope: !31)
// CHECK:STDOUT: !38 = !DILocation(line: 37, column: 15, scope: !31)
// CHECK:STDOUT: !39 = !DILocation(line: 37, column: 10, scope: !31)
// CHECK:STDOUT: !40 = !DILocation(line: 37, column: 3, scope: !31)
// CHECK:STDOUT: