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# 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(ptr nocapture noundef readonly %.block_descriptor, i64 noundef %type) !dbg !7 {
entry:
unreachable
do.body.i129.i: ; preds = %if.else6.i128.i
unreachable
}
!llvm.dbg.cu = !{!3}
!llvm.module.flags = !{!5}
!2 = !{}
!3 = distinct !DICompileUnit(language: DW_LANG_C99, file: !4, producer: "clang", runtimeVersion: 0, emissionKind: FullDebug)
!4 = !DIFile(filename: "t.c", directory: "/")
!5 = !{i32 2, !"Debug Info Version", i32 3}
!7 = distinct !DISubprogram(name: "__foo_block_invoke", scope: !4, file: !4, line: 573, type: !9, scopeLine: 573, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !3, retainedNodes: !2)
!9 = !DISubroutineType(types: !2)
!11 = !DILocalVariable(name: ".block_descriptor", arg: 1, scope: !7, file: !4, line: 557, type: !12, flags: DIFlagArtificial)
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64)
!13 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_literal_1", scope: !4, file: !4, line: 557, size: 392, elements: !2)
!15 = !DILocation(line: 558, column: 7, scope: !7)
name: __foo_block_invoke
body: |
bb.0.entry:
DBG_VALUE $rdi, $noreg, !11, !DIExpression(), debug-location !15
$ecx = MOV32rr undef $edi, implicit $dil, debug-location !15
bb.2:
successors:
TRAP
bb.21.do.body.i129.i (machine-block-address-taken):
|
