| ; RUN: llc < %s -filetype=obj -o - | llvm-dwarfdump - |
| |
| ; To regenerate this file, use approximately the following C code: |
| ; int* globl; |
| ; void baz(int arg) { |
| ; int locl; |
| ; globl = &locl; |
| ; } |
| |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NEXT: DW_AT_low_pc |
| ; CHECK-NEXT: DW_AT_high_pc |
| ;; Check that we fall back to the default frame base (the global) |
| ; CHECK-NEXT: DW_AT_frame_base (DW_OP_WASM_location_int 0x3 0x0, DW_OP_stack_value) |
| |
| ; TODO: Find a more-reduced test case for The fix in WebAssemblyRegColoring |
| |
| ; ModuleID = 'debugtest-opt.c' |
| source_filename = "debugtest-opt.c" |
| target triple = "wasm32" |
| |
| @globl = hidden local_unnamed_addr global ptr null, align 4, !dbg !0 |
| |
| ; Function Attrs: nounwind writeonly |
| define hidden void @baz(i32 %arg) local_unnamed_addr #0 !dbg !12 { |
| entry: |
| %locl = alloca i32, align 4 |
| call void @llvm.dbg.value(metadata i32 %arg, metadata !16, metadata !DIExpression()), !dbg !18 |
| store ptr %locl, ptr @globl, align 4, !dbg !20, !tbaa !21 |
| ret void, !dbg !25 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #2 |
| |
| attributes #0 = { nounwind writeonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { argmemonly nounwind willreturn } |
| attributes #2 = { nounwind readnone speculatable willreturn } |
| attributes #3 = { nounwind } |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!8, !9, !10} |
| !llvm.ident = !{!11} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "globl", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git ee80f8bef31e0f98c9a0e1d79dc5f1ff51ed9e3a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None) |
| !3 = !DIFile(filename: "debugtest-opt.c", directory: "/s/llvm-upstream") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32) |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = !{i32 7, !"Dwarf Version", i32 4} |
| !9 = !{i32 2, !"Debug Info Version", i32 3} |
| !10 = !{i32 1, !"wchar_size", i32 4} |
| !11 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git ee80f8bef31e0f98c9a0e1d79dc5f1ff51ed9e3a)"} |
| !12 = distinct !DISubprogram(name: "baz", scope: !3, file: !3, line: 14, type: !13, scopeLine: 14, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !15) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{null, !7} |
| !15 = !{!16, !17} |
| !16 = !DILocalVariable(name: "arg", arg: 1, scope: !12, file: !3, line: 14, type: !7) |
| !17 = !DILocalVariable(name: "locl", scope: !12, file: !3, line: 15, type: !7) |
| !18 = !DILocation(line: 0, scope: !12) |
| !19 = !DILocation(line: 15, column: 3, scope: !12) |
| !20 = !DILocation(line: 16, column: 9, scope: !12) |
| !21 = !{!22, !22, i64 0} |
| !22 = !{!"any pointer", !23, i64 0} |
| !23 = !{!"omnipotent char", !24, i64 0} |
| !24 = !{!"Simple C/C++ TBAA"} |
| !25 = !DILocation(line: 17, column: 1, scope: !12) |