| ; RUN: llc -split-dwarf-file=%t1.dwo -filetype=obj -o %t1.o < %s |
| ; RUN: llc -split-dwarf-file=%t2.dwo -filetype=obj -o %t2.o < %p/../Inputs/loclists-dwp-b.ll |
| ; RUN: llvm-dwp %t1.o %t2.o -o %t.dwp |
| ; RUN: llvm-dwarfdump -v %t.dwp | FileCheck %s |
| |
| ; Make sure that 2 location lists from different units within a dwp file are |
| ; dumped correctly. The 2 location lists differ in the length of their address |
| ; ranges. |
| ; |
| ; Generate both .ll files with clang -S -emit-llvm from the following sources: |
| ; a.cpp: |
| ; void y(); |
| ; void a(int i) { |
| ; y(); |
| ; asm("" : : : "rdi"); |
| ; } |
| ; |
| ; b.cpp: |
| ; void b(int i) { asm("" : : : "rdi"); } |
| |
| ; CHECK: DW_AT_location [DW_FORM_sec_offset] (0x00000000 |
| ; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000006): DW_OP_reg5 RDI |
| ; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000002): DW_OP_GNU_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value) |
| |
| ; CHECK: DW_AT_location [DW_FORM_sec_offset] (0x00000000 |
| ; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000000): DW_OP_reg5 RDI |
| ; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000001): DW_OP_GNU_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value) |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define dso_local void @_Z1ai(i32 %i) local_unnamed_addr !dbg !7 { |
| entry: |
| call void @llvm.dbg.value(metadata i32 %i, metadata !12, metadata !DIExpression()), !dbg !13 |
| tail call void @_Z1yv(), !dbg !14 |
| tail call void asm sideeffect "", "~{rdi},~{dirflag},~{fpsr},~{flags}"(), !dbg !15, !srcloc !16 |
| ret void, !dbg !17 |
| } |
| |
| declare dso_local void @_Z1yv() local_unnamed_addr |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !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) |
| !1 = !DIFile(filename: "a.cpp", directory: "/home/test/PRs/PR38990") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 8.0.0"} |
| !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) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{null, !10} |
| !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !11 = !{!12} |
| !12 = !DILocalVariable(name: "i", arg: 1, scope: !7, file: !1, line: 2, type: !10) |
| !13 = !DILocation(line: 2, column: 12, scope: !7) |
| !14 = !DILocation(line: 3, column: 3, scope: !7) |
| !15 = !DILocation(line: 4, column: 3, scope: !7) |
| !16 = !{i32 41} |
| !17 = !DILocation(line: 5, column: 1, scope: !7) |