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