1; RUN: llc -start-after=codegenprepare -stop-before finalize-isel -o - %s \ 2; RUN: -experimental-debug-variable-locations=false \ 3; RUN: | FileCheck %s --check-prefixes=CHECK,DBGVALUE 4; RUN: llc -start-after=codegenprepare -stop-before finalize-isel -o - %s \ 5; RUN: -experimental-debug-variable-locations=true \ 6; RUN: | FileCheck %s --check-prefixes=CHECK,INSTRREF 7 8; RUN: llc -start-after=codegenprepare -stop-before finalize-isel -o - %s \ 9; RUN: -experimental-debug-variable-locations=false --try-experimental-debuginfo-iterators \ 10; RUN: | FileCheck %s --check-prefixes=CHECK,DBGVALUE 11 12; This test case is a modified version of dbg_value_phi_isel1.ll 13; where the llvm.dbg.value nodes in for.body has been moved. 14 15; ModuleID = 'debug.c' 16source_filename = "debug.c" 17target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 18target triple = "x86_64-unknown-linux-gnu" 19 20@end = dso_local local_unnamed_addr global i32 10, align 4, !dbg !0 21 22; Function Attrs: nounwind uwtable 23define dso_local i32 @main() local_unnamed_addr #0 !dbg !11 { 24entry: 25 %arr = alloca [80 x i32], align 16 26 call void @llvm.dbg.value(metadata i32 9, metadata !15, metadata !DIExpression()), !dbg !26 27 call void @llvm.dbg.value(metadata i32 13, metadata !16, metadata !DIExpression()), !dbg !27 28 call void @llvm.dbg.value(metadata i32 0, metadata !17, metadata !DIExpression()), !dbg !28 29 %0 = load i32, ptr @end, align 4, !dbg !29, !tbaa !31 30 %cmp20 = icmp sgt i32 %0, 0, !dbg !35 31 br i1 %cmp20, label %for.body.lr.ph, label %for.cond.cleanup, !dbg !36 32 33for.body.lr.ph: ; preds = %entry 34 %1 = load i32, ptr @end, align 4, !tbaa !31 35 br label %for.body, !dbg !36 36 37for.cond.cleanup: ; preds = %for.body, %entry 38; CHECK-LABEL: bb.{{.*}}.for.cond.cleanup: 39; CHECK: [[REG1:%[0-9]+]]:gr32 = PHI 40; INSTRREF-SAME: debug-instr-number 7 41; INSTRREF-NEXT: DBG_INSTR_REF {{.+}}, dbg-instr-ref(7, 0) 42; DBGVALUE-NEXT: DBG_VALUE [[REG1]] 43 %x.0.lcssa = phi i32 [ 9, %entry ], [ %add, %for.body ] 44 call void @llvm.dbg.value(metadata i32 %x.0.lcssa, metadata !15, metadata !DIExpression()), !dbg !26 45 call void @llvm.lifetime.start.p0(i64 320, ptr nonnull %arr) #3, !dbg !37 46 call void @llvm.dbg.declare(metadata ptr %arr, metadata !19, metadata !DIExpression()), !dbg !38 47 call void @llvm.dbg.value(metadata i32 0, metadata !24, metadata !DIExpression()), !dbg !39 48 br label %for.body4, !dbg !40 49 50for.body: ; preds = %for.body.lr.ph, %for.body 51; CHECK-LABEL: bb.{{.*}}.for.body: 52; CHECK: [[REG2:%[0-9]+]]:gr32 = PHI 53; INSTRREF-SAME: debug-instr-number 4 54; CHECK-NEXT: [[REG3:%[0-9]+]]:gr32 = PHI 55; INSTRREF-SAME: debug-instr-number 3 56; CHECK-NEXT: [[REG4:%[0-9]+]]:gr32 = PHI 57; INSTRREF-SAME: debug-instr-number 6 58; INSTRREF-NEXT: DBG_INSTR_REF !16, {{.+}}, dbg-instr-ref(3, 0) 59; DBGVALUE-NEXT: DBG_VALUE [[REG3]], $noreg, !16 60; CHECK-NEXT: DBG_VALUE 555, $noreg, !17 61; CHECK-NEXT: [[ADDREG:%[0-9]+]]:gr32 = nuw nsw ADD32rr 62; INSTRREF-SAME: debug-instr-number 5 63; INSTRREF-NEXT: DBG_INSTR_REF !17, {{.+}}, dbg-instr-ref(4, 0) 64; DBGVALUE-NEXT: DBG_VALUE [[REG2]], $noreg, !17 65; CHECK: [[MULREG:%[0-9]+]]:gr32 = LEA64_32r 66; INSTRREF-SAME: debug-instr-number 1 67; CHECK-NEXT: DBG_VALUE 777, $noreg, !17 68;;; XXX: The following DBG_INSTR_REF should have stayed below the INC32r 69; INSTRREF-NEXT: DBG_INSTR_REF !16, {{.+}}, dbg-instr-ref(1, 0) 70; DBGVALUE-NEXT: DBG_VALUE [[MULREG]], $noreg, !16 71; CHECK-NEXT: [[INCREG:%[0-9]+]]:gr32 = nuw nsw INC32r 72; INSTRREF-SAME: debug-instr-number 2 73; INSTRREF-NEXT: DBG_INSTR_REF !17, {{.+}}, dbg-instr-ref(2, 0) 74; INSTRREF-NEXT: DBG_INSTR_REF !15, {{.+}}, dbg-instr-ref(5, 0) 75; DBGVALUE-NEXT: DBG_VALUE [[INCREG]], $noreg, !17 76; DBGVALUE-NEXT: DBG_VALUE [[ADDREG]], $noreg, !15 77; CHECK-NEXT: implicit-def $eflags, 78; INSTRREF-NEXT: DBG_INSTR_REF {{.+}}, dbg-instr-ref(6, 0) 79; DBGVALUE-NEXT: DBG_VALUE [[REG4]] 80 %u.023 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] 81 %y.022 = phi i32 [ 13, %for.body.lr.ph ], [ %mul, %for.body ] 82 %x.021 = phi i32 [ 9, %for.body.lr.ph ], [ %add, %for.body ] 83 call void @llvm.dbg.value(metadata i32 %y.022, metadata !16, metadata !DIExpression()), !dbg !27 84 ; This dbg.value has been manually added compared to dbg_value_phi_isel1.ll 85 call void @llvm.dbg.value(metadata i32 555, metadata !17, metadata !DIExpression()), !dbg !28 86 %add = add nuw nsw i32 %y.022, %x.021, !dbg !41 87 ; This dbg.value has been manually moved compared to dbg_value_phi_isel1.ll 88 call void @llvm.dbg.value(metadata i32 %u.023, metadata !17, metadata !DIExpression()), !dbg !28 89 %mul = mul nsw i32 %y.022, 3, !dbg !43 90 ; This dbg.value has been manually added compared to dbg_value_phi_isel1.ll 91 call void @llvm.dbg.value(metadata i32 777, metadata !17, metadata !DIExpression()), !dbg !28 92 %inc = add nuw nsw i32 %u.023, 1, !dbg !44 93 call void @llvm.dbg.value(metadata i32 %inc, metadata !17, metadata !DIExpression()), !dbg !28 94 call void @llvm.dbg.value(metadata i32 %mul, metadata !16, metadata !DIExpression()), !dbg !27 95 call void @llvm.dbg.value(metadata i32 %add, metadata !15, metadata !DIExpression()), !dbg !26 96 %cmp = icmp slt i32 %inc, %1, !dbg !35 97 ; This dbg.value has been manually moved compared to dbg_value_phi_isel1.ll 98 call void @llvm.dbg.value(metadata i32 %x.021, metadata !15, metadata !DIExpression()), !dbg !26 99 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !36, !llvm.loop !45 100 101for.cond.cleanup3: ; preds = %for.body4 102 call void @llvm.lifetime.end.p0(i64 320, ptr nonnull %arr) #3, !dbg !47 103 ret i32 %x.0.lcssa, !dbg !48 104 105for.body4: ; preds = %for.body4, %for.cond.cleanup 106 %indvars.iv = phi i64 [ 0, %for.cond.cleanup ], [ %indvars.iv.next, %for.body4 ] 107 call void @llvm.dbg.value(metadata i64 %indvars.iv, metadata !24, metadata !DIExpression()), !dbg !39 108 %arrayidx = getelementptr inbounds [80 x i32], ptr %arr, i64 0, i64 %indvars.iv, !dbg !49 109 %2 = trunc i64 %indvars.iv to i32, !dbg !52 110 %3 = add i32 %2, 3, !dbg !52 111 store volatile i32 %3, ptr %arrayidx, align 4, !dbg !52, !tbaa !31 112 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !53 113 call void @llvm.dbg.value(metadata i32 undef, metadata !24, metadata !DIExpression(DW_OP_plus_uconst, 1, DW_OP_stack_value)), !dbg !39 114 %exitcond = icmp eq i64 %indvars.iv.next, 64, !dbg !54 115 br i1 %exitcond, label %for.cond.cleanup3, label %for.body4, !dbg !40, !llvm.loop !55 116} 117 118; Function Attrs: argmemonly nounwind 119declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1 120 121; Function Attrs: nounwind readnone speculatable 122declare void @llvm.dbg.declare(metadata, metadata, metadata) #2 123 124; Function Attrs: argmemonly nounwind 125declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1 126 127; Function Attrs: nounwind readnone speculatable 128declare void @llvm.dbg.value(metadata, metadata, metadata) #2 129 130attributes #0 = { nounwind uwtable } 131attributes #1 = { argmemonly nounwind } 132attributes #2 = { nounwind readnone speculatable } 133attributes #3 = { nounwind } 134 135!llvm.dbg.cu = !{!2} 136!llvm.module.flags = !{!7, !8, !9} 137!llvm.ident = !{!10} 138 139!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 140!1 = distinct !DIGlobalVariable(name: "end", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) 141!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (x)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 142!3 = !DIFile(filename: "debug.c", directory: "") 143!4 = !{} 144!5 = !{!0} 145!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 146!7 = !{i32 2, !"Dwarf Version", i32 4} 147!8 = !{i32 2, !"Debug Info Version", i32 3} 148!9 = !{i32 1, !"wchar_size", i32 4} 149!10 = !{!"clang version 7.0.0 (x)"} 150!11 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 3, type: !12, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !2, retainedNodes: !14) 151!12 = !DISubroutineType(types: !13) 152!13 = !{!6} 153!14 = !{!15, !16, !17, !19, !24} 154!15 = !DILocalVariable(name: "x", scope: !11, file: !3, line: 4, type: !6) 155!16 = !DILocalVariable(name: "y", scope: !11, file: !3, line: 5, type: !6) 156!17 = !DILocalVariable(name: "u", scope: !18, file: !3, line: 6, type: !6) 157!18 = distinct !DILexicalBlock(scope: !11, file: !3, line: 6, column: 3) 158!19 = !DILocalVariable(name: "arr", scope: !11, file: !3, line: 11, type: !20) 159!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !21, size: 2560, elements: !22) 160!21 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6) 161!22 = !{!23} 162!23 = !DISubrange(count: 80) 163!24 = !DILocalVariable(name: "q", scope: !25, file: !3, line: 12, type: !6) 164!25 = distinct !DILexicalBlock(scope: !11, file: !3, line: 12, column: 3) 165!26 = !DILocation(line: 4, column: 7, scope: !11) 166!27 = !DILocation(line: 5, column: 7, scope: !11) 167!28 = !DILocation(line: 6, column: 12, scope: !18) 168!29 = !DILocation(line: 6, column: 23, scope: !30) 169!30 = distinct !DILexicalBlock(scope: !18, file: !3, line: 6, column: 3) 170!31 = !{!32, !32, i64 0} 171!32 = !{!"int", !33, i64 0} 172!33 = !{!"omnipotent char", !34, i64 0} 173!34 = !{!"Simple C/C++ TBAA"} 174!35 = !DILocation(line: 6, column: 21, scope: !30) 175!36 = !DILocation(line: 6, column: 3, scope: !18) 176!37 = !DILocation(line: 11, column: 3, scope: !11) 177!38 = !DILocation(line: 11, column: 16, scope: !11) 178!39 = !DILocation(line: 12, column: 12, scope: !25) 179!40 = !DILocation(line: 12, column: 3, scope: !25) 180!41 = !DILocation(line: 7, column: 7, scope: !42) 181!42 = distinct !DILexicalBlock(scope: !30, file: !3, line: 6, column: 33) 182!43 = !DILocation(line: 8, column: 11, scope: !42) 183!44 = !DILocation(line: 6, column: 28, scope: !30) 184!45 = distinct !{!45, !36, !46} 185!46 = !DILocation(line: 9, column: 3, scope: !18) 186!47 = !DILocation(line: 17, column: 1, scope: !11) 187!48 = !DILocation(line: 16, column: 3, scope: !11) 188!49 = !DILocation(line: 13, column: 5, scope: !50) 189!50 = distinct !DILexicalBlock(scope: !51, file: !3, line: 12, column: 32) 190!51 = distinct !DILexicalBlock(scope: !25, file: !3, line: 12, column: 3) 191!52 = !DILocation(line: 13, column: 12, scope: !50) 192!53 = !DILocation(line: 12, column: 27, scope: !51) 193!54 = !DILocation(line: 12, column: 21, scope: !51) 194!55 = distinct !{!55, !40, !56} 195!56 = !DILocation(line: 14, column: 3, scope: !25) 196