1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2 # RUN: llc -O0 -mtriple arm64-- -run-pass=instruction-select %s -o - | FileCheck %s 3 4 --- | 5 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 6 7 define void @test_dbg_value(i32 %a) !dbg !5 { 8 %tmp0 = add i32 %a, %a 9 call void @llvm.dbg.value(metadata i32 %tmp0, i64 0, metadata !7, metadata !DIExpression()), !dbg !9 10 ret void 11 } 12 13 define void @test_dbg_value_dead(i32 %a) !dbg !10 { 14 call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !11, metadata !DIExpression()), !dbg !12 15 ret void 16 } 17 18 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) 19 20 !llvm.dbg.cu = !{!0} 21 !llvm.module.flags = !{!3, !4} 22 23 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "llvm", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 24 !1 = !DIFile(filename: "test.ll", directory: "/tmp") 25 !2 = !{} 26 !3 = !{i32 2, !"Dwarf Version", i32 4} 27 !4 = !{i32 2, !"Debug Info Version", i32 3} 28 !5 = distinct !DISubprogram(name: "test_dbg_value", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 29 !6 = !DISubroutineType(types: !2) 30 !7 = !DILocalVariable(name: "in", arg: 1, scope: !5, file: !1, line: 1, type: !8) 31 !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 32 !9 = !DILocation(line: 1, column: 1, scope: !5) 33 !10 = distinct !DISubprogram(name: "test_dbg_value", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 34 !11 = !DILocalVariable(name: "in", arg: 1, scope: !10, file: !1, line: 1, type: !8) 35 !12 = !DILocation(line: 1, column: 1, scope: !10) 36 ... 37 38 --- 39 name: test_dbg_value 40 legalized: true 41 regBankSelected: true 42 body: | 43 bb.0: 44 liveins: $w0 45 ; CHECK-LABEL: name: test_dbg_value 46 ; CHECK: [[COPY:%[0-9]+]]:gpr32 = COPY $w0 47 ; CHECK: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[COPY]], [[COPY]] 48 ; CHECK: $w0 = COPY [[ADDWrr]] 49 ; CHECK: DBG_VALUE debug-use [[ADDWrr]], debug-use $noreg, !7, !DIExpression(), debug-location !9 50 %0:gpr(s32) = COPY $w0 51 %1:gpr(s32) = G_ADD %0, %0 52 $w0 = COPY %1(s32) 53 DBG_VALUE debug-use %1(s32), debug-use $noreg, !7, !DIExpression(), debug-location !9 54 ... 55 56 --- 57 name: test_dbg_value_dead 58 legalized: true 59 regBankSelected: true 60 body: | 61 bb.0: 62 liveins: $w0 63 ; CHECK-LABEL: name: test_dbg_value_dead 64 ; CHECK-NOT: COPY 65 ; CHECK: DBG_VALUE debug-use $noreg, debug-use $noreg, !7, !DIExpression(), debug-location !9 66 %0:gpr(s32) = COPY $w0 67 DBG_VALUE debug-use %0(s32), debug-use $noreg, !7, !DIExpression(), debug-location !9 68 ... 69
