| ; RUN: llc -start-after=codegenprepare -stop-before finalize-isel -o - %s \ |
| ; RUN: -experimental-debug-variable-locations=false \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,DBGVALUE |
| ; RUN: llc -start-after=codegenprepare -stop-before finalize-isel -o - %s \ |
| ; RUN: -experimental-debug-variable-locations=true \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,INSTRREF |
| |
| ; This test case is a modified version of dbg_value_phi_isel1.ll |
| ; where the llvm.dbg.value nodes in for.body has been moved. |
| |
| ; ModuleID = 'debug.c' |
| source_filename = "debug.c" |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @end = dso_local local_unnamed_addr global i32 10, align 4, !dbg !0 |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local i32 @main() local_unnamed_addr #0 !dbg !11 { |
| entry: |
| %arr = alloca [80 x i32], align 16 |
| call void @llvm.dbg.value(metadata i32 9, metadata !15, metadata !DIExpression()), !dbg !26 |
| call void @llvm.dbg.value(metadata i32 13, metadata !16, metadata !DIExpression()), !dbg !27 |
| call void @llvm.dbg.value(metadata i32 0, metadata !17, metadata !DIExpression()), !dbg !28 |
| %0 = load i32, i32* @end, align 4, !dbg !29, !tbaa !31 |
| %cmp20 = icmp sgt i32 %0, 0, !dbg !35 |
| br i1 %cmp20, label %for.body.lr.ph, label %for.cond.cleanup, !dbg !36 |
| |
| for.body.lr.ph: ; preds = %entry |
| %1 = load i32, i32* @end, align 4, !tbaa !31 |
| br label %for.body, !dbg !36 |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| ; CHECK-LABEL: bb.{{.*}}.for.cond.cleanup: |
| ; CHECK: [[REG1:%[0-9]+]]:gr32 = PHI |
| ; INSTRREF-SAME: debug-instr-number 7 |
| ; INSTRREF-NEXT: DBG_INSTR_REF 7, 0 |
| ; DBGVALUE-NEXT: DBG_VALUE [[REG1]] |
| %x.0.lcssa = phi i32 [ 9, %entry ], [ %add, %for.body ] |
| call void @llvm.dbg.value(metadata i32 %x.0.lcssa, metadata !15, metadata !DIExpression()), !dbg !26 |
| %2 = bitcast [80 x i32]* %arr to i8*, !dbg !37 |
| call void @llvm.lifetime.start.p0i8(i64 320, i8* nonnull %2) #3, !dbg !37 |
| call void @llvm.dbg.declare(metadata [80 x i32]* %arr, metadata !19, metadata !DIExpression()), !dbg !38 |
| call void @llvm.dbg.value(metadata i32 0, metadata !24, metadata !DIExpression()), !dbg !39 |
| br label %for.body4, !dbg !40 |
| |
| for.body: ; preds = %for.body.lr.ph, %for.body |
| ; CHECK-LABEL: bb.{{.*}}.for.body: |
| ; CHECK: [[REG2:%[0-9]+]]:gr32 = PHI |
| ; INSTRREF-SAME: debug-instr-number 4 |
| ; CHECK-NEXT: [[REG3:%[0-9]+]]:gr32 = PHI |
| ; INSTRREF-SAME: debug-instr-number 3 |
| ; CHECK-NEXT: [[REG4:%[0-9]+]]:gr32 = PHI |
| ; INSTRREF-SAME: debug-instr-number 6 |
| ; INSTRREF-NEXT: DBG_INSTR_REF 3, 0, !16 |
| ; DBGVALUE-NEXT: DBG_VALUE [[REG3]], $noreg, !16 |
| ; CHECK-NEXT: DBG_VALUE 555, $noreg, !17 |
| ; CHECK-NEXT: [[ADDREG:%[0-9]+]]:gr32 = nuw nsw ADD32rr |
| ; INSTRREF-SAME: debug-instr-number 5 |
| ; INSTRREF-NEXT: DBG_INSTR_REF 4, 0, !17 |
| ; DBGVALUE-NEXT: DBG_VALUE [[REG2]], $noreg, !17 |
| ; CHECK: [[MULREG:%[0-9]+]]:gr32 = LEA64_32r |
| ; INSTRREF-SAME: debug-instr-number 1 |
| ; CHECK-NEXT: DBG_VALUE 777, $noreg, !17 |
| ;;; XXX: The following DBG_INSTR_REF should have stayed below the INC32r |
| ; INSTRREF-NEXT: DBG_INSTR_REF 1, 0, !16 |
| ; DBGVALUE-NEXT: DBG_VALUE [[MULREG]], $noreg, !16 |
| ; CHECK-NEXT: [[INCREG:%[0-9]+]]:gr32 = nuw nsw INC32r |
| ; INSTRREF-SAME: debug-instr-number 2 |
| ; INSTRREF-NEXT: DBG_INSTR_REF 2, 0, !17 |
| ; INSTRREF-NEXT: DBG_INSTR_REF 5, 0, !15 |
| ; DBGVALUE-NEXT: DBG_VALUE [[INCREG]], $noreg, !17 |
| ; DBGVALUE-NEXT: DBG_VALUE [[ADDREG]], $noreg, !15 |
| ; CHECK-NEXT: implicit-def $eflags, |
| ; INSTRREF-NEXT: DBG_INSTR_REF 6, 0 |
| ; DBGVALUE-NEXT: DBG_VALUE [[REG4]] |
| %u.023 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] |
| %y.022 = phi i32 [ 13, %for.body.lr.ph ], [ %mul, %for.body ] |
| %x.021 = phi i32 [ 9, %for.body.lr.ph ], [ %add, %for.body ] |
| call void @llvm.dbg.value(metadata i32 %y.022, metadata !16, metadata !DIExpression()), !dbg !27 |
| ; This dbg.value has been manually added compared to dbg_value_phi_isel1.ll |
| call void @llvm.dbg.value(metadata i32 555, metadata !17, metadata !DIExpression()), !dbg !28 |
| %add = add nuw nsw i32 %y.022, %x.021, !dbg !41 |
| ; This dbg.value has been manually moved compared to dbg_value_phi_isel1.ll |
| call void @llvm.dbg.value(metadata i32 %u.023, metadata !17, metadata !DIExpression()), !dbg !28 |
| %mul = mul nsw i32 %y.022, 3, !dbg !43 |
| ; This dbg.value has been manually added compared to dbg_value_phi_isel1.ll |
| call void @llvm.dbg.value(metadata i32 777, metadata !17, metadata !DIExpression()), !dbg !28 |
| %inc = add nuw nsw i32 %u.023, 1, !dbg !44 |
| call void @llvm.dbg.value(metadata i32 %inc, metadata !17, metadata !DIExpression()), !dbg !28 |
| call void @llvm.dbg.value(metadata i32 %mul, metadata !16, metadata !DIExpression()), !dbg !27 |
| call void @llvm.dbg.value(metadata i32 %add, metadata !15, metadata !DIExpression()), !dbg !26 |
| %cmp = icmp slt i32 %inc, %1, !dbg !35 |
| ; This dbg.value has been manually moved compared to dbg_value_phi_isel1.ll |
| call void @llvm.dbg.value(metadata i32 %x.021, metadata !15, metadata !DIExpression()), !dbg !26 |
| br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !36, !llvm.loop !45 |
| |
| for.cond.cleanup3: ; preds = %for.body4 |
| call void @llvm.lifetime.end.p0i8(i64 320, i8* nonnull %2) #3, !dbg !47 |
| ret i32 %x.0.lcssa, !dbg !48 |
| |
| for.body4: ; preds = %for.body4, %for.cond.cleanup |
| %indvars.iv = phi i64 [ 0, %for.cond.cleanup ], [ %indvars.iv.next, %for.body4 ] |
| call void @llvm.dbg.value(metadata i64 %indvars.iv, metadata !24, metadata !DIExpression()), !dbg !39 |
| %arrayidx = getelementptr inbounds [80 x i32], [80 x i32]* %arr, i64 0, i64 %indvars.iv, !dbg !49 |
| %3 = trunc i64 %indvars.iv to i32, !dbg !52 |
| %4 = add i32 %3, 3, !dbg !52 |
| store volatile i32 %4, i32* %arrayidx, align 4, !dbg !52, !tbaa !31 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !53 |
| call void @llvm.dbg.value(metadata i32 undef, metadata !24, metadata !DIExpression(DW_OP_plus_uconst, 1, DW_OP_stack_value)), !dbg !39 |
| %exitcond = icmp eq i64 %indvars.iv.next, 64, !dbg !54 |
| br i1 %exitcond, label %for.cond.cleanup3, label %for.body4, !dbg !40, !llvm.loop !55 |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #2 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #2 |
| |
| attributes #0 = { nounwind uwtable } |
| attributes #1 = { argmemonly nounwind } |
| attributes #2 = { nounwind readnone speculatable } |
| attributes #3 = { nounwind } |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!7, !8, !9} |
| !llvm.ident = !{!10} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "end", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) |
| !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) |
| !3 = !DIFile(filename: "debug.c", directory: "") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !7 = !{i32 2, !"Dwarf Version", i32 4} |
| !8 = !{i32 2, !"Debug Info Version", i32 3} |
| !9 = !{i32 1, !"wchar_size", i32 4} |
| !10 = !{!"clang version 7.0.0 (x)"} |
| !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) |
| !12 = !DISubroutineType(types: !13) |
| !13 = !{!6} |
| !14 = !{!15, !16, !17, !19, !24} |
| !15 = !DILocalVariable(name: "x", scope: !11, file: !3, line: 4, type: !6) |
| !16 = !DILocalVariable(name: "y", scope: !11, file: !3, line: 5, type: !6) |
| !17 = !DILocalVariable(name: "u", scope: !18, file: !3, line: 6, type: !6) |
| !18 = distinct !DILexicalBlock(scope: !11, file: !3, line: 6, column: 3) |
| !19 = !DILocalVariable(name: "arr", scope: !11, file: !3, line: 11, type: !20) |
| !20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !21, size: 2560, elements: !22) |
| !21 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6) |
| !22 = !{!23} |
| !23 = !DISubrange(count: 80) |
| !24 = !DILocalVariable(name: "q", scope: !25, file: !3, line: 12, type: !6) |
| !25 = distinct !DILexicalBlock(scope: !11, file: !3, line: 12, column: 3) |
| !26 = !DILocation(line: 4, column: 7, scope: !11) |
| !27 = !DILocation(line: 5, column: 7, scope: !11) |
| !28 = !DILocation(line: 6, column: 12, scope: !18) |
| !29 = !DILocation(line: 6, column: 23, scope: !30) |
| !30 = distinct !DILexicalBlock(scope: !18, file: !3, line: 6, column: 3) |
| !31 = !{!32, !32, i64 0} |
| !32 = !{!"int", !33, i64 0} |
| !33 = !{!"omnipotent char", !34, i64 0} |
| !34 = !{!"Simple C/C++ TBAA"} |
| !35 = !DILocation(line: 6, column: 21, scope: !30) |
| !36 = !DILocation(line: 6, column: 3, scope: !18) |
| !37 = !DILocation(line: 11, column: 3, scope: !11) |
| !38 = !DILocation(line: 11, column: 16, scope: !11) |
| !39 = !DILocation(line: 12, column: 12, scope: !25) |
| !40 = !DILocation(line: 12, column: 3, scope: !25) |
| !41 = !DILocation(line: 7, column: 7, scope: !42) |
| !42 = distinct !DILexicalBlock(scope: !30, file: !3, line: 6, column: 33) |
| !43 = !DILocation(line: 8, column: 11, scope: !42) |
| !44 = !DILocation(line: 6, column: 28, scope: !30) |
| !45 = distinct !{!45, !36, !46} |
| !46 = !DILocation(line: 9, column: 3, scope: !18) |
| !47 = !DILocation(line: 17, column: 1, scope: !11) |
| !48 = !DILocation(line: 16, column: 3, scope: !11) |
| !49 = !DILocation(line: 13, column: 5, scope: !50) |
| !50 = distinct !DILexicalBlock(scope: !51, file: !3, line: 12, column: 32) |
| !51 = distinct !DILexicalBlock(scope: !25, file: !3, line: 12, column: 3) |
| !52 = !DILocation(line: 13, column: 12, scope: !50) |
| !53 = !DILocation(line: 12, column: 27, scope: !51) |
| !54 = !DILocation(line: 12, column: 21, scope: !51) |
| !55 = distinct !{!55, !40, !56} |
| !56 = !DILocation(line: 14, column: 3, scope: !25) |