| ; RUN: llc < %s -mtriple=thumbv7em-arm-none-eabi -O3 |
| |
| ; When using -Oz and -g, this code generated an abort in the ARM load/store optimizer. |
| |
| %struct.s = type { %struct.s* } |
| |
| ; Function Attrs: minsize nounwind optsize readonly |
| define %struct.s* @s_idx(%struct.s* readonly %xl) local_unnamed_addr #0 !dbg !8 { |
| entry: |
| tail call void @llvm.dbg.value(metadata %struct.s* %xl, metadata !17, metadata !18), !dbg !19 |
| br label %while.cond, !dbg !20 |
| |
| while.cond: ; preds = %while.body, %entry |
| %xl.addr.0 = phi %struct.s* [ %xl, %entry ], [ %0, %while.body ] |
| %tobool = icmp eq %struct.s* %xl.addr.0, null |
| br i1 %tobool, label %while.end, label %while.body |
| |
| while.body: ; preds = %while.cond |
| %next = getelementptr inbounds %struct.s, %struct.s* %xl.addr.0, i32 0, i32 0 |
| %0 = load %struct.s*, %struct.s** %next, align 4 |
| tail call void @llvm.dbg.value(metadata %struct.s* %0, metadata !17, metadata !18), !dbg !19 |
| br label %while.cond |
| |
| while.end: ; preds = %while.cond |
| ret %struct.s* null |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !6} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "test.c", directory: "/a/b/c") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{i32 1, !"min_enum_size", i32 4} |
| !7 = !{!"clang version 4.0.0 "} |
| !8 = distinct !DISubprogram(name: "s_idx", scope: !1, file: !1, line: 6, type: !9, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !16) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{!11, !11} |
| !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "ezxml_t", file: !1, line: 1, baseType: !12) |
| !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 32, align: 32) |
| !13 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s", file: !1, line: 2, size: 32, align: 32, elements: !14) |
| !14 = !{!15} |
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "next", scope: !13, file: !1, line: 3, baseType: !11, size: 32, align: 32) |
| !16 = !{!17} |
| !17 = !DILocalVariable(name: "xl", arg: 1, scope: !8, file: !1, line: 6, type: !11) |
| !18 = !DIExpression() |
| !19 = !DILocation(line: 6, column: 27, scope: !8) |
| !20 = !DILocation(line: 8, column: 5, scope: !8) |
