| ; RUN: llc %s -stop-after=finalize-isel -o - \ |
| ; RUN: | FileCheck %s |
| |
| |
| ; RUN: llc --try-experimental-debuginfo-iterators %s -stop-after=finalize-isel -o - \ |
| ; RUN: | FileCheck %s |
| |
| ;; Handwritten test. |
| |
| ;; Here we have dbg.assign intrinsics with fragments (in the value-expression) |
| ;; and address-expressions that involve arithmetic. The generated DBG_VALUE |
| ;; intructions needs a DIExpression that: |
| ;; a) Uses the fragment from the value-expression, |
| ;; b) Uses the offset expression of the address-expression, |
| ;; c) Has a DW_OP_deref appended. |
| |
| ; CHECK: DBG_VALUE %stack.0.a, $noreg, {{.+}}, !DIExpression(DW_OP_plus_uconst, 8, DW_OP_deref, DW_OP_LLVM_fragment, 64, 32), debug-location |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define dso_local void @fun() !dbg !7 { |
| entry: |
| %a = alloca <4 x i32>, !DIAssignID !24 |
| call void @llvm.dbg.assign(metadata i32 undef, metadata !16, metadata !DIExpression(), metadata !24, metadata ptr %a, metadata !DIExpression()), !dbg !34 |
| ;; unlink and undef a dbg.assign to avoid using sidetable for var loc. |
| call void @llvm.dbg.assign(metadata i32 undef, metadata !16, metadata !DIExpression(), metadata !26, metadata ptr undef, metadata !DIExpression()), !dbg !34 |
| %idx2 = getelementptr inbounds i32, ptr %a, i32 2 |
| store i32 100, ptr %idx2, !DIAssignID !25 |
| call void @llvm.dbg.assign(metadata i32 100, metadata !16, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 32), metadata !25, metadata ptr %a, metadata !DIExpression(DW_OP_plus_uconst, 8)), !dbg !34 |
| ret void |
| } |
| |
| declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !1000} |
| !llvm.ident = !{!6} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "test.cpp", directory: "/") |
| !2 = !{} |
| !3 = !{i32 7, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 12.0.0"} |
| !7 = distinct !DISubprogram(name: "fun", linkageName: "fun", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{null, !10, !10, !10, !10} |
| !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !11 = !{!16} |
| !16 = !DILocalVariable(name: "quad", scope: !7, file: !1, line: 4, type: !17) |
| !17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 128, elements: !18) |
| !18 = !{!19} |
| !19 = !DISubrange(count: 4) |
| !23 = !DILocation(line: 0, scope: !7) |
| !24 = distinct !DIAssignID() |
| !25 = distinct !DIAssignID() |
| !26 = distinct !DIAssignID() |
| !34 = !DILocation(line: 0, column: 0, scope: !7) |
| !44 = !{!45, !45, i64 0} |
| !45 = !{!"float", !46, i64 0} |
| !46 = !{!"omnipotent char", !47, i64 0} |
| !47 = !{!"Simple C++ TBAA"} |
| !48 = !DILocation(line: 11, column: 3, scope: !7) |
| !49 = !DILocation(line: 12, column: 1, scope: !7) |
| !50 = !DISubprogram(name: "get", linkageName: "_Z3getv", scope: !1, file: !1, line: 1, type: !51, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !51 = !DISubroutineType(types: !52) |
| !52 = !{!10} |
| !53 = !DISubprogram(name: "ext", linkageName: "_Z3extPf", scope: !1, file: !1, line: 2, type: !54, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !54 = !DISubroutineType(types: !55) |
| !55 = !{!10, !56} |
| !56 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64) |
| |
| !1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true} |