| ; RUN: llc %s -o - -stop-after=finalize-isel \ |
| ; RUN: | FileCheck %s --implicit-check-not=DBG_ |
| |
| |
| ; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel \ |
| ; RUN: | FileCheck %s --implicit-check-not=DBG_ |
| |
| ;; Hand written. Check that no unnecessary undef is inserted after an alloca |
| ;; that has a linked dbg.assign that doesn't immediately follow it. |
| |
| ; CHECK: CALL64pcrel32 @a |
| ; CHECK-NEXT: ADJCALLSTACKUP64 |
| ; CHECK-NEXT: DBG_VALUE %stack.0.c, $noreg, !{{.+}}, !DIExpression(DW_OP_deref), debug-location |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define dso_local void @b() #0 !dbg !7 { |
| entry: |
| %c = alloca i8, align 1, !DIAssignID !10 |
| call void (...) @a(), !dbg !16 |
| call void @llvm.dbg.assign(metadata i1 undef, metadata !11, metadata !DIExpression(), metadata !10, metadata ptr %c, metadata !DIExpression()), !dbg !13 |
| ret void, !dbg !17 |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| declare dso_local void @a(...) |
| 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_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "test.c", 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: "b", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{null} |
| !10 = distinct !DIAssignID() |
| !11 = !DILocalVariable(name: "c", scope: !7, file: !1, line: 3, type: !12) |
| !12 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) |
| !13 = !DILocation(line: 0, scope: !7) |
| !14 = !DILocation(line: 3, column: 8, scope: !7) |
| !15 = distinct !DIAssignID() |
| !16 = !DILocation(line: 4, column: 3, scope: !7) |
| !17 = !DILocation(line: 5, column: 1, scope: !7) |
| !1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true} |