forked from OSchip/llvm-project
65 lines
2.8 KiB
LLVM
65 lines
2.8 KiB
LLVM
; RUN: llc -split-dwarf-file=%t1.dwo -filetype=obj -o %t1.o < %s
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; RUN: llc -split-dwarf-file=%t2.dwo -filetype=obj -o %t2.o < %p/../Inputs/loclists-dwp-b.ll
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; RUN: llvm-dwp %t1.o %t2.o -o %t.dwp
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; RUN: llvm-dwarfdump -v %t.dwp | FileCheck %s
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; Make sure that 2 location lists from different units within a dwp file are
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; dumped correctly. The 2 location lists differ in the length of their address
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; ranges.
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;
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; Generate both .ll files with clang -S -emit-llvm from the following sources:
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; a.cpp:
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; void y();
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; void a(int i) {
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; y();
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; asm("" : : : "rdi");
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; }
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;
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; b.cpp:
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; void b(int i) { asm("" : : : "rdi"); }
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; CHECK: DW_AT_location [DW_FORM_sec_offset] (0x00000000
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; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000006): DW_OP_reg5 RDI
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; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000002): DW_OP_GNU_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value)
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; CHECK: DW_AT_location [DW_FORM_sec_offset] (0x00000000
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; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000000): DW_OP_reg5 RDI
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; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000001): DW_OP_GNU_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value)
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target triple = "x86_64-unknown-linux-gnu"
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define dso_local void @_Z1ai(i32 %i) local_unnamed_addr !dbg !7 {
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entry:
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call void @llvm.dbg.value(metadata i32 %i, metadata !12, metadata !DIExpression()), !dbg !13
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tail call void @_Z1yv(), !dbg !14
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tail call void asm sideeffect "", "~{rdi},~{dirflag},~{fpsr},~{flags}"(), !dbg !15, !srcloc !16
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ret void, !dbg !17
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}
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declare dso_local void @_Z1yv() local_unnamed_addr
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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 = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 8.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
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!1 = !DIFile(filename: "a.cpp", directory: "/home/test/PRs/PR38990")
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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 4}
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!6 = !{!"clang version 8.0.0"}
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!7 = distinct !DISubprogram(name: "a", linkageName: "_Z1ai", scope: !1, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null, !10}
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !{!12}
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!12 = !DILocalVariable(name: "i", arg: 1, scope: !7, file: !1, line: 2, type: !10)
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!13 = !DILocation(line: 2, column: 12, scope: !7)
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!14 = !DILocation(line: 3, column: 3, scope: !7)
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!15 = !DILocation(line: 4, column: 3, scope: !7)
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!16 = !{i32 41}
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!17 = !DILocation(line: 5, column: 1, scope: !7)
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