1# RUN: not --crash llc %s -mtriple=x86_64 -run-pass=machineverifier -o - 2>&1 | FileCheck %s 2# 3# REQUIRES: x86-registered-target 4# 5# CHECK: Instruction has a duplicated value tracking number 6--- | 7 define i32 @test(i32 %bar) local_unnamed_addr !dbg !7 { 8 entry: 9 ret i32 0, !dbg !12 10 } 11 12 !llvm.dbg.cu = !{!0} 13 !llvm.module.flags = !{!3, !4, !5, !6} 14 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) 15 !1 = !DIFile(filename: "foo.cpp", directory: ".") 16 !2 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 17 !3 = !{i32 2, !"Dwarf Version", i32 4} 18 !4 = !{i32 2, !"Debug Info Version", i32 3} 19 !5 = !{i32 1, !"wchar_size", i32 2} 20 !6 = !{i32 7, !"PIC Level", i32 2} 21 !7 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !10) 22 !8 = !DISubroutineType(types: !9) 23 !9 = !{!2, !2} 24 !10 = !{!11} 25 !11 = !DILocalVariable(name: "baz", scope: !7, file: !1, line: 7, type: !2) 26 !12 = !DILocation(line: 10, scope: !7) 27... 28--- 29name: test 30tracksRegLiveness: true 31debugInstrRef: true 32liveins: 33 - { reg: '$rdi', virtual-reg: '' } 34body: | 35 bb.0: 36 liveins: $rdi, $rax 37 $rbp = MOV64rr $rdi, debug-instr-number 1, debug-location !12 38 dead $rcx = MOV64ri 0, debug-instr-number 1, debug-location !12 39 CMP64ri8 renamable $rax, 1, implicit-def $eflags 40 RET64 $rax 41... 42