| # RUN: llc -mtriple=x86_64-apple-macos %s -start-before=livedebugvalues -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s |
| # CHECK: DW_TAG_subprogram |
| # Test that LiveDebugValues can handle MBBs that are not reachable in a RPOT. |
| --- | |
| define hidden zeroext i1 @__foo_block_invoke(i8* nocapture noundef readonly %.block_descriptor, i64 noundef %type) !dbg !5 { |
| entry: |
| %call2.i = tail call zeroext i8 @foo_len(), !dbg !10 |
| %cmp.i102.i = icmp ult i8 %call2.i, 64, !dbg !10 |
| br i1 %cmp.i102.i, label %bar_length.exit105.i, label %if.else.i103.i, !dbg !10 |
| if.else.i103.i: ; preds = %sw.bb.i |
| br label %bar_length.exit105.i |
| bar_length.exit105.i: ; preds = %if.else.i103.i, %sw.bb.i |
| unreachable |
| baz_size.exit: ; preds = %bar_length.exit131.i, %bar_length.exit105.i, %bar_length.exit.i.baz_size.exit_crit_edge |
| unreachable |
| } |
| declare zeroext i8 @foo_len() local_unnamed_addr |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !6, producer: "Apple clang", isOptimized: true, flags: "-fsanitize=fuzzer-no-link,address", runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, splitDebugInlining: false, nameTableKind: None, sysroot: "/", sdk: "MacOSX.sdk") |
| !2 = !{} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{i32 1, !"LTOPostLink", i32 1} |
| !5 = distinct !DISubprogram(name: "__foo_block_invoke", linkageName: "__foo_block_invoke", scope: !6, file: !6, line: 557, type: !7, scopeLine: 557, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) |
| !6 = !DIFile(filename: "t.c", directory: "") |
| !7 = !DISubroutineType(types: !2) |
| !10 = !DILocation(line: 558, column: 7, scope: !12) |
| !12 = distinct !DILexicalBlock(scope: !5, file: !6, line: 557, column: 50) |
| name: __foo_block_invoke |
| body: | |
| bb.0.entry: |
| JCC_1 %bb.1, 5, implicit $eflags, debug-location !10 |
| bb.28.baz_size.exit: |
| RET64 $al, debug-location !10 |
| bb.1: |
| successors: |
| bb.25.if.else.i103.i (address-taken): |
| JMP_1 %bb.28 |
