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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

39 lines
1.7 KiB
LLVM

; RUN: llc -mtriple=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
; RUN: llc -mtriple=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
; Rust's char type uses DW_ATE_UTF encoding. Verify BTF treats it as an
; unsigned integer (BTF_KIND_INT with encoding 0).
; Source (Rust):
; struct Option { val: char }
define void @test(i32 %0) !dbg !4 {
ret void
}
; CHECK: .section .BTF,"",@progbits
; The "char" type should appear as BTF_KIND_INT with encoding=0 (unsigned),
; size=4.
; CHECK: .long [[CHAR:[0-9]+]] # BTF_KIND_INT(id = {{[0-9]+}})
; CHECK-NEXT: .long 16777216 # 0x1000000
; CHECK-NEXT: .long 4
; CHECK-NEXT: .long 32 # 0x20
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3}
!0 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !1, producer: "rustc", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false)
!1 = !DIFile(filename: "test.rs", directory: "/tmp")
!2 = !{}
!3 = !{i32 2, !"Debug Info Version", i32 3}
!4 = distinct !DISubprogram(name: "test", scope: null, file: !1, line: 1, type: !5, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !7)
!5 = !DISubroutineType(types: !6)
!6 = !{null}
!7 = !{!8}
!8 = !DILocalVariable(name: "c", arg: 1, scope: !4, file: !1, line: 1, type: !9)
!9 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Option", file: !1, size: 32, align: 32, elements: !10)
!10 = !{!11}
!11 = !DIDerivedType(tag: DW_TAG_member, name: "val", scope: !9, file: !1, baseType: !12, size: 32, align: 32)
!12 = !DIBasicType(name: "char", size: 32, encoding: DW_ATE_UTF)