Index: llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp =================================================================== --- llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp +++ llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp @@ -467,7 +467,9 @@ return isUnsignedDIType(DD, DD->resolve(Deriv)); } - auto *BTy = cast(Ty); + auto *BTy = dyn_cast(Ty); + if (!BTy) + return false; unsigned Encoding = BTy->getEncoding(); assert((Encoding == dwarf::DW_ATE_unsigned || Encoding == dwarf::DW_ATE_unsigned_char || Index: llvm/test/Assembler/DIAsmunsigned.ll =================================================================== --- /dev/null +++ llvm/test/Assembler/DIAsmunsigned.ll @@ -0,0 +1,42 @@ +; RUN: llc %s -o - | FileCheck %s +; CHECK: .section __DWARF,__debug_str,regular,debug +; CHECK-NEXT: Linfo_string: +; CHECK_NEXT: .asciz "zig 0.3.0" ## string offset=0 + + +%timespec.0.1.2.3.0.1.2 = type { i64, i64 } +define internal i64 @init_vdso_clock_gettime(i32, %timespec.0.1.2.3.0.1.2* nonnull) unnamed_addr !dbg !142 { + call void @llvm.dbg.value(metadata i64 (i32, %timespec.0.1.2.3.0.1.2*)* null, metadata !162, metadata !DIExpression()), !dbg !167 + ret i64 -38, !dbg !168 +} +declare void @llvm.dbg.value(metadata, metadata, metadata) #0 +!llvm.module.flags = !{!0} +!llvm.dbg.cu = !{!1} +!0 = !{i32 2, !"Debug Info Version", i32 3} +!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "zig 0.3.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !76) +!2 = !DIFile(filename: "test", directory: ".") +!3 = !{!4} +!4 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "Arch", scope: !5, file: !5, line: 44, baseType: !6, size: 8, align: 8, elements: !7) +!5 = !DIFile(filename: "builtin.zig", directory: "/home/andy/.local/share/zig/stage1/builtin/ugMGxVES9OkDAffv3xhJS3KQVy0Wm1xPM3Bc6x4MBuup5aetdi5pVTrGRG2aDAn0") +!6 = !DIBasicType(name: "u7", size: 8, encoding: DW_ATE_unsigned) +!7 = !{!8} +!8 = !DIEnumerator(name: "armv8_5a", value: 0) +!76 = !{!77} +!77 = !DIGlobalVariableExpression(var: !78, expr: !DIExpression()) +!78 = distinct !DIGlobalVariable(name: "arch", linkageName: "arch", scope: !5, file: !5, line: 437, type: !4, isLocal: true, isDefinition: true) +!81 = !DIFile(filename: "index.zig", directory: "/store/dev/zig/build-llvm8-debug/lib/zig/std/os/linux") +!142 = distinct !DISubprogram(name: "init_vdso_clock_gettime", scope: !81, file: !81, line: 968, type: !143, scopeLine: 968, flags: DIFlagStaticMember, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !1, retainedNodes: !153) +!143 = !DISubroutineType(types: !144) +!144 = !{!145} +!145 = !DIBasicType(name: "usize", size: 64, encoding: DW_ATE_unsigned) +!146 = !DIBasicType(name: "i32", size: 32, encoding: DW_ATE_signed) +!153 = !{!154} +!154 = !DILocalVariable(name: "clk", arg: 1, scope: !142, file: !81, line: 968, type: !146) +!162 = !DILocalVariable(name: "f", scope: !163, file: !81, line: 970, type: !143) +!163 = distinct !DILexicalBlock(scope: !164, file: !81, line: 969, column: 5) +!164 = distinct !DILexicalBlock(scope: !165, file: !81, line: 968, column: 66) +!165 = distinct !DILexicalBlock(scope: !166, file: !81, line: 968, column: 45) +!166 = distinct !DILexicalBlock(scope: !142, file: !81, line: 968, column: 35) +!167 = !DILocation(line: 970, column: 5, scope: !163) +!168 = !DILocation(line: 972, column: 28, scope: !169) +!169 = distinct !DILexicalBlock(scope: !163, file: !81, line: 970, column: 5)