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8bd2548ab8
Before this patch DbgInfoAvailable was set to true in DwarfDebug::beginModule() or CodeViewDebug::CodeViewDebug(). This made MIR testing weird since passes would suddenly stop dealing with debug info just because we stopped the pipeline before the debug printers. This patch changes the logic to initialize DbgInfoAvailable based on the fact that debug_compile_units exist in the llvm Module. The debug printers may then override it with false in case of debug printing being disabled. Differential Revision: https://reviews.llvm.org/D53885 llvm-svn: 345740
27 lines
1.1 KiB
LLVM
27 lines
1.1 KiB
LLVM
; RUN: llc -o - %s -fast-isel -stop-before=expand-isel-pseudos | FileCheck %s
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; Make sure fast-isel produces DBG_VALUE instructions even if no debug printer
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; is scheduled because of -stop-before.
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target triple="aarch64--"
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; CHECK-LABEL: name: func
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; CHECK: DBG_VALUE
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define void @func(i32 %a) !dbg !4 {
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call void @llvm.dbg.declare(metadata i32 %a, metadata !5, metadata !DIExpression()), !dbg !7
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ret void
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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attributes #0 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly)
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!1 = !DIFile(filename: "fast-isel-dbg.ll", directory: "/")
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!2 = !{i32 2, !"Dwarf Version", i32 4}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = distinct !DISubprogram(name: "func", scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
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!5 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 17, type: !6)
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!6 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
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!7 = !DILocation(line: 17, scope: !4)
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