| # RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s \ |
| # RUN: -run-pass=livevars,phi-node-elimination,twoaddressinstruction \ |
| # RUN: -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1 \ |
| # RUN: | FileCheck %s |
| |
| --- | |
| define void @test() !dbg !7 { |
| entry: |
| ret void, !dbg !14 |
| } |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "Adrian", emissionKind: FullDebug) |
| !1 = !DIFile(filename: "/tmp/t.c", directory: "/") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 2} |
| !4 = !{i32 2, !"Debug Info Version", i32 4} |
| !5 = !{i32 1, !"PIC Level", i32 2} |
| !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) |
| !8 = !DISubroutineType(types: !{}) |
| !14 = !DILocation(line: 1, column: 0, scope: !7) |
| |
| --- |
| name: test |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $nzcv, $wzr |
| Bcc 8, %bb.2, implicit $nzcv |
| |
| ; CHECK-LABEL: bb.1: |
| bb.1: |
| %x:gpr32 = COPY $wzr |
| ; Test that the debug location is not copied into bb1! |
| ; CHECK: %3:gpr32 = COPY killed %x{{$}} |
| ; CHECK-LABEL: bb.2: |
| bb.2: |
| %y:gpr32 = PHI %x:gpr32, %bb.1, undef %undef:gpr32, %bb.0, debug-location !14 |
| $wzr = COPY %y:gpr32 |
| ... |
