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1# RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s \2# RUN: -run-pass=livevars,phi-node-elimination,twoaddressinstruction \3# RUN: -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1 \4# RUN: | FileCheck %s5# RUN: llc -mtriple=aarch64-linux-gnu -verify-each -o - %s \6# RUN: --passes='require<live-vars>,phi-node-elimination,two-address-instruction' \7# RUN: -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1 \8# RUN: | FileCheck %s9 10--- |11 define void @test() !dbg !7 {12 entry:13 ret void, !dbg !1414 }15 !llvm.dbg.cu = !{!0}16 !llvm.module.flags = !{!3, !4}17 18 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "Adrian", emissionKind: FullDebug)19 !1 = !DIFile(filename: "/tmp/t.c", directory: "/")20 !2 = !{}21 !3 = !{i32 2, !"Dwarf Version", i32 2}22 !4 = !{i32 2, !"Debug Info Version", i32 4}23 !5 = !{i32 1, !"PIC Level", i32 2}24 !7 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0)25 !8 = !DISubroutineType(types: !{})26 !14 = !DILocation(line: 1, column: 0, scope: !7)27 28---29name: test30tracksRegLiveness: true31body: |32 bb.0:33 liveins: $nzcv, $wzr34 Bcc 8, %bb.2, implicit $nzcv35 36 ; CHECK-LABEL: bb.1:37 bb.1:38 %x:gpr32 = COPY $wzr39 ; Test that the debug location is not copied into bb1!40 ; CHECK: %3:gpr32 = COPY killed %x{{$}}41 ; CHECK-LABEL: bb.2:42 bb.2:43 %y:gpr32 = PHI %x:gpr32, %bb.1, undef %undef:gpr32, %bb.0, debug-location !1444 $wzr = COPY %y:gpr3245...46