13115e682SOCHyams; REQUIRES: x86-registered-target 23115e682SOCHyams; RUN: llc -start-before=codegenprepare -stop-after=codegenprepare \ 34ece5073SOCHyams; RUN: -mtriple=x86_64-unknown-unknown %s -o - \ 43115e682SOCHyams; RUN: | FileCheck %s --implicit-check-not="call void @llvm.dbg." 53115e682SOCHyams 6a643ab85SJeremy Morse;; Test with RemoveDIs non-intrinsic debug-info too. 7a643ab85SJeremy Morse; RUN: llc -start-before=codegenprepare -stop-after=codegenprepare \ 8a643ab85SJeremy Morse; RUN: -mtriple=x86_64-unknown-unknown %s -o - --try-experimental-debuginfo-iterators \ 9a643ab85SJeremy Morse; RUN: | FileCheck %s --implicit-check-not="call void @llvm.dbg." 10a643ab85SJeremy Morse 113115e682SOCHyams;; Check that when CodeGenPrepare moves an address computation to a block it's 123115e682SOCHyams;; used in its dbg.assign uses are updated. 133115e682SOCHyams;; 143115e682SOCHyams;; Based on llvm/test/DebugInfo/X86/codegenprepare-addrsink.ll 153115e682SOCHyams 163115e682SOCHyamsdefine dso_local i8 @foo(ptr %p, i32 %cond) !dbg !7 { 173115e682SOCHyamsentry: 183115e682SOCHyams %casted = bitcast ptr %p to ptr 193115e682SOCHyams %arith = getelementptr i8, ptr %casted, i32 3 203115e682SOCHyams %load1 = load i8, ptr %arith 213115e682SOCHyams %cmpresult = icmp eq i32 %cond, 0 223115e682SOCHyams br i1 %cmpresult, label %next, label %ret 233115e682SOCHyams 243115e682SOCHyamsnext: 253115e682SOCHyams; Address calcs should be duplicated into this block. One dbg.value should be 263115e682SOCHyams; updated, and the other should not. 273115e682SOCHyams; CHECK-LABEL: next: 283115e682SOCHyams; CHECK: %[[CASTVAR:[0-9a-zA-Z]+]] = bitcast ptr %p to ptr 29*09457270SStephen Tozer; CHECK-NEXT: #dbg_assign(ptr %arith, ![[DIVAR:[0-9]+]], 303115e682SOCHyams; CHECK-NEXT: %[[GEPVAR:[0-9a-zA-Z]+]] = getelementptr i8, ptr %[[CASTVAR]], i64 3 313115e682SOCHyams; CHECK-NEXT: %loaded = load i8, ptr %[[GEPVAR]] 32*09457270SStephen Tozer; CHECK-NEXT: #dbg_assign(ptr %[[GEPVAR]], ![[DIVAR]], 333115e682SOCHyams call void @llvm.dbg.assign(metadata ptr %arith, metadata !12, metadata !DIExpression(), metadata !21, metadata ptr undef, metadata !DIExpression()), !dbg !14 343115e682SOCHyams %loaded = load i8, ptr %arith 353115e682SOCHyams call void @llvm.dbg.assign(metadata ptr %arith, metadata !12, metadata !DIExpression(), metadata !21, metadata ptr undef, metadata !DIExpression()), !dbg !14 363115e682SOCHyams ret i8 %loaded 373115e682SOCHyams 383115e682SOCHyamsret: 393115e682SOCHyams ret i8 0 403115e682SOCHyams} 413115e682SOCHyams 423115e682SOCHyams; CHECK: ![[DIVAR]] = !DILocalVariable(name: "p", 433115e682SOCHyams 443115e682SOCHyamsdeclare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) 453115e682SOCHyams 463115e682SOCHyams!llvm.dbg.cu = !{!0} 474ece5073SOCHyams!llvm.module.flags = !{!3, !4, !5, !1000} 483115e682SOCHyams!llvm.ident = !{!6} 493115e682SOCHyams 503115e682SOCHyams!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 513115e682SOCHyams!1 = !DIFile(filename: "test.cpp", directory: ".") 523115e682SOCHyams!2 = !{} 533115e682SOCHyams!3 = !{i32 2, !"Dwarf Version", i32 4} 543115e682SOCHyams!4 = !{i32 2, !"Debug Info Version", i32 3} 553115e682SOCHyams!5 = !{i32 1, !"wchar_size", i32 4} 563115e682SOCHyams!6 = !{!"clang version 8.0.0 (trunk 348209)"} 573115e682SOCHyams!7 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 4, type: !8, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) 583115e682SOCHyams!8 = !DISubroutineType(types: !9) 593115e682SOCHyams!9 = !{null, !10} 603115e682SOCHyams!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 613115e682SOCHyams!11 = !{!12} 623115e682SOCHyams!12 = !DILocalVariable(name: "p", arg: 1, scope: !7, file: !1, line: 4, type: !10) 633115e682SOCHyams!14 = !DILocation(line: 4, column: 15, scope: !7) 643115e682SOCHyams!20 = distinct !DILexicalBlock(scope: !7, file: !1, line: 8, column: 7) 653115e682SOCHyams!21 = distinct !DIAssignID() 664ece5073SOCHyams!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true} 67