f452c9622f
canonicalize-neg-const.ll had some issues. The script somehow decided to delete half the run line and merge it with the example expression (which it also deleted most of).
51 lines
2.6 KiB
LLVM
51 lines
2.6 KiB
LLVM
; RUN: opt < %s -passes=reassociate -S | FileCheck %s
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; Check that reassociate pass now salvages debug info when dropping instructions.
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define hidden i32 @main(i32 %argc, ptr %argv) {
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entry:
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; CHECK: call void @llvm.dbg.value(metadata i32 %argc, metadata [[VAR_B:![0-9]+]], metadata !DIExpression(DW_OP_plus_uconst, 1, DW_OP_stack_value))
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%add = add nsw i32 %argc, 1, !dbg !26
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call void @llvm.dbg.value(metadata i32 %add, metadata !22, metadata !DIExpression()), !dbg !25
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%add1 = add nsw i32 %argc, %add, !dbg !27
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ret i32 %add1, !dbg !28
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, debugInfoForProfiling: true, nameTableKind: None)
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!1 = !DIFile(filename: "test2.cpp", directory: "C:\")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 2}
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!6 = !{i32 7, !"PIC Level", i32 2}
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!7 = !{!"clang version 10.0.0"}
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!8 = distinct !DISubprogram(name: "main", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !18)
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!9 = !DIFile(filename: "./test2.cpp", directory: "C:\")
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!10 = !DISubroutineType(types: !11)
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!11 = !{!12, !13, !14}
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!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !12)
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!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64)
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!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
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!16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !17)
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!17 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!18 = !{!19, !20, !21, !22, !23, !24}
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!19 = !DILocalVariable(name: "argc", arg: 1, scope: !8, file: !9, line: 1, type: !13)
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!20 = !DILocalVariable(name: "argv", arg: 2, scope: !8, file: !9, line: 1, type: !14)
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!21 = !DILocalVariable(name: "a", scope: !8, file: !9, line: 2, type: !12)
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; CHECK: [[VAR_B]] = !DILocalVariable(name: "b"
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!22 = !DILocalVariable(name: "b", scope: !8, file: !9, line: 3, type: !12)
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!23 = !DILocalVariable(name: "to_return", scope: !8, file: !9, line: 4, type: !12)
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!24 = !DILocalVariable(name: "result", scope: !8, file: !9, line: 5, type: !12)
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!25 = !DILocation(line: 0, scope: !8)
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!26 = !DILocation(line: 3, scope: !8)
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!27 = !DILocation(line: 4, scope: !8)
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!28 = !DILocation(line: 6, scope: !8)
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