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

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# RUN: llc -run-pass wasm-debug-fixup %s -o - | FileCheck %s
# Test if '#DEBUG_VALUE' comments for target indices are printed correctly.
--- |
target triple = "wasm32-unknown-unknown"
define void @test_remove_dangling_reg_dbg_value() !dbg !5 {
call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !10
call void @llvm.dbg.value(metadata i32 0, metadata !11, metadata !DIExpression()), !dbg !10
ret void
}
declare void @llvm.dbg.value(metadata, metadata, metadata)
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2, !3, !4}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug)
!1 = !DIFile(filename: "test.c", directory: "")
!2 = !{i32 7, !"Dwarf Version", i32 5}
!3 = !{i32 2, !"Debug Info Version", i32 3}
!4 = !{i32 1, !"wchar_size", i32 4}
!5 = distinct !DISubprogram(name: "test_dbg_value_comment", scope: !1, file: !1, line: 1, type: !6, scopeLine: 1, unit: !0)
!6 = !DISubroutineType(types: !7)
!7 = !{!8}
!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!9 = !DILocalVariable(name: "var0", scope: !5, file: !1, line: 2, type: !8)
!10 = !DILocation(line: 0, scope: !5)
!11 = !DILocalVariable(name: "var1", scope: !5, file: !1, line: 2, type: !8)
...
---
# CHECK-LABEL: name: test_remove_dangling_reg_dbg_value
name: test_remove_dangling_reg_dbg_value
liveins:
- { reg: '$arguments' }
body: |
; CHECK: bb.0:
; CHECK: DBG_VALUE $noreg, $noreg, !9, !DIExpression(), debug-location !10
; CHECK-NEXT: DBG_VALUE target-index(wasm-local) + 1, $noreg, !11, !DIExpression(), debug-location !10
; CHECK-NEXT: RETURN
bb.0:
liveins: $arguments
; This %3 is a danling register and will turn to $noreg
DBG_VALUE %3:i32, $noreg, !9, !DIExpression(), debug-location !10
; This debug info will remain the same, because it's in a local
DBG_VALUE target-index(wasm-local) + 1, $noreg, !11, !DIExpression(), debug-location !10
RETURN implicit-def dead $arguments
...