1ea5fb241Sgbtozers;; FIXME: We currently don't do any special bookkeeping for unused args used by 2ea5fb241Sgbtozers;; variadic dbg_values. When/if we support them, the DBG_VALUE_LIST should be 3ea5fb241Sgbtozers;; updated accordingly. 4ea5fb241Sgbtozers 5da0faa05SStephen Tozer; RUN: llc %s -start-after=codegenprepare --experimental-debug-variable-locations=false -stop-before=finalize-isel -o - | FileCheck %s 6da0faa05SStephen Tozer; RUN: llc %s -start-after=codegenprepare --experimental-debug-variable-locations -stop-before=finalize-isel -o - | FileCheck %s 7ea5fb241Sgbtozers 8*4495485eSJeremy Morse; RUN: llc %s -start-after=codegenprepare --experimental-debug-variable-locations=false -stop-before=finalize-isel -o - --try-experimental-debuginfo-iterators | FileCheck %s 9*4495485eSJeremy Morse; RUN: llc %s -start-after=codegenprepare --experimental-debug-variable-locations -stop-before=finalize-isel -o - --try-experimental-debuginfo-iterators | FileCheck %s 10*4495485eSJeremy Morse 11ea5fb241Sgbtozers;; Check that unused argument values are handled the same way for variadic 12ea5fb241Sgbtozers;; dbg_values as non-variadics. 13ea5fb241Sgbtozers 14ea5fb241Sgbtozers; CHECK: ![[A:[0-9]+]] = !DILocalVariable(name: "a", 15ea5fb241Sgbtozers; CHECK: ![[B:[0-9]+]] = !DILocalVariable(name: "b", 16ea5fb241Sgbtozers; CHECK: ![[C:[0-9]+]] = !DILocalVariable(name: "c", 17ea5fb241Sgbtozers 18ea5fb241Sgbtozers; CHECK: DBG_VALUE $ecx, $noreg, ![[A]], !DIExpression(), debug-location 19ea5fb241Sgbtozers; CHECK: DBG_VALUE $edx, $noreg, ![[B]], !DIExpression(), debug-location 20da0faa05SStephen Tozer; CHECK: DBG_VALUE $noreg, $noreg, ![[C]], !DIExpression(), debug-location 21ea5fb241Sgbtozers 22ea5fb241Sgbtozerstarget triple = "x86_64-pc-windows-msvc19.16.27034" 23ea5fb241Sgbtozersdefine dso_local i32 @"?foo@@YAHHH@Z"(i32 %a, i32 %b) local_unnamed_addr !dbg !8 { 24ea5fb241Sgbtozersentry: 25ea5fb241Sgbtozers call void @llvm.dbg.value(metadata i32 %a, metadata !14, metadata !DIExpression()), !dbg !17 26ea5fb241Sgbtozers call void @llvm.dbg.value(metadata i32 %b, metadata !15, metadata !DIExpression()), !dbg !17 27ea5fb241Sgbtozers call void @llvm.dbg.value(metadata !DIArgList(i32 %a, i32 %b), metadata !16, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus, DW_OP_stack_value)), !dbg !17 28ea5fb241Sgbtozers ret i32 0 29ea5fb241Sgbtozers} 30ea5fb241Sgbtozers 31ea5fb241Sgbtozersdeclare void @llvm.dbg.value(metadata, metadata, metadata) 32ea5fb241Sgbtozers 33ea5fb241Sgbtozers!llvm.dbg.cu = !{!0} 34ea5fb241Sgbtozers!llvm.module.flags = !{!3, !4, !5, !6} 35ea5fb241Sgbtozers!llvm.ident = !{!7} 36ea5fb241Sgbtozers 37ea5fb241Sgbtozers!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 38ea5fb241Sgbtozers!1 = !DIFile(filename: "test.cpp", directory: "/") 39ea5fb241Sgbtozers!2 = !{} 40ea5fb241Sgbtozers!3 = !{i32 2, !"CodeView", i32 1} 41ea5fb241Sgbtozers!4 = !{i32 2, !"Debug Info Version", i32 3} 42ea5fb241Sgbtozers!5 = !{i32 1, !"wchar_size", i32 2} 43ea5fb241Sgbtozers!6 = !{i32 7, !"PIC Level", i32 2} 44ea5fb241Sgbtozers!7 = !{!"clang version 11.0.0"} 45ea5fb241Sgbtozers!8 = distinct !DISubprogram(name: "foo", linkageName: "?foo@@YAHHH@Z", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13) 46ea5fb241Sgbtozers!9 = !DIFile(filename: "test.cpp", directory: "/") 47ea5fb241Sgbtozers!10 = !DISubroutineType(types: !11) 48ea5fb241Sgbtozers!11 = !{!12, !12, !12} 49ea5fb241Sgbtozers!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 50ea5fb241Sgbtozers!13 = !{!14, !15, !16} 51ea5fb241Sgbtozers!14 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !9, line: 1, type: !12) 52ea5fb241Sgbtozers!15 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !9, line: 1, type: !12) 53ea5fb241Sgbtozers!16 = !DILocalVariable(name: "c", scope: !8, file: !9, line: 2, type: !12) 54ea5fb241Sgbtozers!17 = !DILocation(line: 0, scope: !8) 55