1# RUN: llc -mtriple aarch64-linux-gnu -start-after=livedebugvalues -filetype=obj -o - %s \ 2# RUN: | llvm-dwarfdump - | FileCheck %s 3# The value needs to be composed of sub-registers, but the 4# sub-registers cross the fragment boundary. 5# CHECK: DW_OP_piece 0x8, DW_OP_regx B16, DW_OP_piece 0x8 6--- | 7 target triple = "aarch64-none-linux-android21" 8 define linkonce_odr dso_local void @_f() !dbg !1590 { 9 entry: 10 ret void, !dbg !1809 11 } 12 declare i32 @__gxx_personality_v0(...) 13 !llvm.dbg.cu = !{!0} 14 !llvm.module.flags = !{!1586,!1587} 15 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) 16 !1 = !DIFile(filename: "bug.cpp", directory: "/") 17 !1586 = !{i32 2, !"Debug Info Version", i32 3} 18 !1587 = !{i32 7, !"frame-pointer", i32 1} 19 !1590 = distinct !DISubprogram(name: "f", scope: !0, file: !1, line: 278, type: !1591, scopeLine: 279, flags: DIFlagPrototyped, unit: !0, declaration: !1593) 20 !1591 = !DISubroutineType(types: !1592) 21 !1592 = !{null } 22 !1593 = !DISubprogram(name: "f", linkageName: "_f", scope: !0, file: !1, line: 195, type: !1591, scopeLine: 195, flags: 23 DIFlagProtected 24 , spFlags: DISPFlagOptimized) 25 !1694 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "uint8x8x3_t", file: !1, line: 235, size: 192, flags: DIFlagTypePassByValue, elements: !1695, identifier: "_ZTS11uint8x8x3_t") 26 !1695 = !{} 27 !1715 = !DILocalVariable(name: "__ret", scope: !1590, file: !1, line: 379, type: !1694) 28 !1809 = !DILocation(line: 0, scope: !1590 ) 29--- 30name: _f 31body: | 32 bb.0.entry: 33 renamable $d16_d17_d18 = LD3Threev8b killed renamable $x15, debug-location !1809 34 DBG_VALUE $d16_d17_d18, $noreg, !1715, !DIExpression(DW_OP_LLVM_fragment, 64, 64), debug-location !1809 35